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Overview
Find top CONTRACT Infrastructure Engineer jobs tailored for skilled Platform Engineers. Explore the latest contract opportunities in infrastructure engineering, cloud platforms, and system architecture—all in one place. Start your next contract role today with Haystack’s curated job listings.
Infrastructure Automation Engineer (SC Cleared)
NSD
Corsham
Hybrid
Mid - Senior
£450/day - £700/day
+2

(IAC / Orchestration / Python / Ansible)

KEY HIGHLIGHTS

  • £450 - £700 per day
  • Corsham - 2-3 days onsite / 2 days remote
  • SC clearance required - DV desirable
  • Work on a major UK Defence digital transformation programme

ABOUT THE CLIENT

Our client is delivering critical infrastructure automation capability across a large-scale UK Defence platform. Operating within a highly secure environment, they are responsible for developing zero-touch, automated infrastructure solutions across complex, multi-vendor estates. Due to continued programme demand, they are seeking an experienced Infrastructure Automation Engineer to support delivery across secure platforms.

THE BENEFITS

  • Day rate up to £700
  • Hybrid working (Corsham-based secure site)
  • Long-term Defence programme
  • Exposure to large-scale infrastructure automation
  • Agile delivery environment using modern DevOps tooling

THE INFRASTRUCTURE AUTOMATION ENGINEER ROLE

As an Infrastructure Automation Engineer, you will design, develop and validate automation components forming part of a secure Defence platform. You will reverse engineer legacy and manual build processes into parameterised, zero-touch automation packages, working primarily with Python3, Ansible and scripting technologies. The role includes producing production-quality code, contributing to design artefacts, supporting system testing, and working within Agile teams using the Atlassian toolset.

INFRASTRUCTURE AUTOMATION ENGINEER ESSENTIAL SKILLS

  • Active SC clearance (DV preferred)
  • Strong hands-on experience with Python3 automation development
  • Experience with Ansible, Puppet or Chef
  • Scripting experience in Bash and/or PowerShell
  • Experience automating server, network and storage technologies
  • Exposure to large infrastructure environments
  • Strong troubleshooting and problem-solving capability
  • Experience working in Agile teams
  • Version control experience (Git / BitBucket)

Relevant certification (e.g. CCNP, VCP, RHCE, OCA) highly desirable.

TO BE CONSIDERED

Please either apply through this advert or email me directly via w.
For further information please call 0117 284 0050.
By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Infrastructure Automation Engineer, Python3, Ansible, DevOps, SC Clearance, DV Clearance, Bash, PowerShell, Jenkins, Git, Agile, Defence, NSD

Orchestration Engineer
CBSbutler Holdings Limited
London
Hybrid
Mid - Senior
Private salary
  • 6 month initial contract - extensions likely
  • Hybrid - occasional travel to Corsham
  • SC Cleared role

+Inside IR35

Key Skills:

  • Orchestration
  • AWS - Platform X
  • VMWare

Description:
Responsible for the design and implementation of networked computer systems; plans; installs and configures the hardware and software used in a computer network and provides ongoing maintenance and technical support to users.

Skills Required
AWS (Platform-X)
Good knowledge of using and deploying to AWS
Good knowledge of Linux and Windows
Scripting - take scripts and implement
Engineering (installing packages)
Connecting AWS to other platforms
Understanding of Networks, LAN and WAN connectivity
Knowledge of working in an Agile environment
Firewall Rules re
WriteLow Level Designs and build documents with a view to ORR
Knowledge of VMware - VRA / VRO as well as Automation (Chef) and cloud templates
Knowledge of Service Now catalogue items useful

If you’d like to discuss this Orchestration Engineer in more detail, please send your updated CV to and I will get in touch.

Security Engineer
Atrium Global
North West England
Hybrid
Mid - Senior
£700/day

Security Engineer Infrastructure / Cryptography / Automation
£500£700 per day (Inside IR35)
Cheshire 2 days per week onsite (mandatory)
Initial 12-month contract

Atrium EMEA are supporting a world-leading IT services client on their search for multiple Security Engineers to join a long-term financial services programme.

We are hiring across several specialist areas within secure enterprise infrastructure. These roles sit within a highly regulated environment and require strong hands-on engineering capability.

We are particularly interested in professionals with experience in one or more of the following areas:

Cryptography engineering, including Hardware Security Modules (HSMs) such as Thales, Entrust or IBM platforms
Infrastructure and security engineering across Windows, Unix/Linux, networking and firewalls
Python-based automation, REST API integration and workflow improvement within secure environments

These are build-focused engineering roles not support or helpdesk positions. Candidates should have experience working within enterprise or financial services environments and be comfortable operating within structured, security-controlled infrastructure.

Key Requirements:

Strong hands-on engineering background within security or infrastructure
Experience working within regulated enterprise environments
Ability to work onsite in Cheshire 2 days per week
Willingness to support occasional data centre deployments where required

This is an excellent opportunity to join a long-term programme delivering critical secure infrastructure within a major financial services environment.

Infrastructure Automation Engineer (SC Cleared)
NSD
Corsham
Hybrid
Mid - Senior
£450/day - £700/day
+3

(IAC / Orchestration / Python / Ansible)

KEY HIGHLIGHTS

£450 - £700 per day

Corsham - 2-3 days onsite / 2 days remote

SC clearance required - DV desirable

Work on a major UK Defence digital transformation programme

ABOUT THE CLIENT

Our client is delivering critical infrastructure automation capability across a large-scale UK Defence platform. Operating within a highly secure environment, they are responsible for developing zero-touch, automated infrastructure solutions across complex, multi-vendor estates. Due to continued programme demand, they are seeking an experienced Infrastructure Automation Engineer to support delivery across secure platforms.

THE BENEFITS

Day rate up to £700

Hybrid working (Corsham-based secure site)

Long-term Defence programme

Exposure to large-scale infrastructure automation

Agile delivery environment using modern DevOps tooling

THE INFRASTRUCTURE AUTOMATION ENGINEER ROLE

As an Infrastructure Automation Engineer , you will design, develop and validate automation components forming part of a secure Defence platform. You will reverse engineer legacy and manual build processes into parameterised, zero-touch automation packages, working primarily with Python3, Ansible and scripting technologies. The role includes producing production-quality code, contributing to design artefacts, supporting system testing, and working within Agile teams using the Atlassian toolset.

INFRASTRUCTURE AUTOMATION ENGINEER ESSENTIAL SKILLS

Active SC clearance (DV preferred)

Strong hands-on experience with Python3 automation development

Experience with Ansible, Puppet or Chef

Scripting experience in Bash and/or PowerShell

Experience automating server, network and storage technologies

Exposure to large infrastructure environments

Strong troubleshooting and problem-solving capability

Experience working in Agile teams

Version control experience (Git / BitBucket)

Relevant certification (e.g. CCNP, VCP, RHCE, OCA) highly desirable.

TO BE CONSIDERED

Please either apply through this advert or email me directly via w .

For further information please call 0117 284 0050 .

By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.

KEY SKILLS

Infrastructure Automation Engineer, Python3, Ansible, DevOps, SC Clearance, DV Clearance, Bash, PowerShell, Jenkins, Git, Agile, Defence, NSD

TPBN1_UKTJ

Open Shift Administrator
Stealth IT Consulting Limited
Sheffield
Hybrid
Mid - Senior
£350/day - £400/day

OpenShift Administrator (Automation & Lifecycle)

?? Location: Sheffield City Centre (Hybrid 60% office / 40% remote)
?? Contract Duration:8 Months (Until 30/11/2026)
?? Rate: Up to £400 per day (inside IR35)

Overview

We are recruiting an experienced OpenShift Administrator / Automation Engineer to support a large enterprise platform within the Banking & Financial Services sector.

This role suits candidates with experience working in highly regulated environments, ideally banking or financial services, where strong controls, security, and compliance are essential.

Key Responsibilities

  • Automate infrastructure and platform processes to reduce manual intervention
  • Develop and maintain automation for RedHat OpenShift environments
  • Create, test, and support automation scripts (Python, PowerShell, Shell)
  • Integrate automation with enterprise systems and REST APIs
  • Identify automation opportunities in collaboration with stakeholders
  • Ensure solutions are secure, scalable, and well-documented
  • Monitor and troubleshoot automated workflows
  • Track delivery and documentation using Jira and Confluence

Essential Skills & Experience

  • 510 years experience in automation, platform, or infrastructure engineering
  • Hands-on RedHat OpenShift administration (essential)
  • Strong scripting skills: Python, PowerShell, Shell
  • Container technologies: Docker, Kubernetes
  • Automation tools: Ansible, Jenkins
  • REST API integration
  • Experience working in regulated enterprise environments
  • Version control: Git / SVN
  • Ability to work independently and manage deliverables

Ideal Candidate Background

  • Previous experience in Banking or Financial Services
  • Comfortable operating within strict governance, risk, and compliance frameworks
  • Experience supporting large-scale, mission-critical platforms

Desirable

  • ArgoCD / GitOps experience
  • Test automation exposure (Selenium, PyTest, Robot Framework)
  • Experience in DevOps or Agile delivery environments
Infrastructure Engineer
VIQU IT
Portsmouth
Hybrid
Mid
£350/day - £450/day

Infrastructure Engineer - Contract role

VIQU IT are currently seeking an experienced Infrastructure Engineer to join a well-established organisation based in Portsmouth. This is a BAU focused role, supporting and maintaining a live environment whilst the organisation completes on-going project work.

The Infrastructure Engineer Role:

As an Infrastructure Engineer, you will be responsible for maintaining, supporting, and optimising the organisation s core infrastructure estate. You ll play a key role in ensuring high availability, performance, and security across the Windows-based environment.

This is an excellent opportunity for someone who enjoys operational stability, proactive improvement, and hands-on infrastructure support within a Microsoft-centric environment.

The Infrastructure Engineer Responsibilities:

  • Day-to-day support of Windows server infrastructure
  • Administration of Microsoft technologies (Active Directory, Group Policy, DNS, DHCP)
  • Management and support of virtual environments (VMware)
  • Monitoring system performance and resolving infrastructure issues
  • Supporting backup, patching, and upgrade processes
  • Assisting with networking support and troubleshooting
  • Maintaining security best practices across the environment

The Infrastructure Engineer Technical Skills & Experience:

Essential:

  • Strong experience across the Microsoft Windows Server stack
  • Active Directory administration
  • VMware experience (build, support, and troubleshooting)
  • Solid understanding of core networking principles (TCP/IP, VLANs, switching, firewalls)
  • Experience working in a BAU / operational support environment

Desirable:

  • Fortinet firewall experience
  • Exposure to infrastructure security best practices
  • Experience working within structured ITIL environments

This position requires regular onsite presence in Portsmouth, with the possibility of hybrid working once established in the role.

If you are interested in the Infrastructure Engineer role, apply now to speak with VIQU IT in confidence. Or reach out to Phoebe Thompson via the VIQU IT website.

Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

3rd Line Storage / Infrastructure Engineer (NetApp) DV Cleared
Experis
London
In office
Mid - Senior
Private salary

3rd Line Storage Engineer

Must have an Active DV Clearance

An excellent opportunity has arisen for a 3rd Line Storage Engineer to support a secure, high profile government environment. You will work with a specialist 3rd line team and engineering functions to maintain, troubleshoot, and enhance storage and infrastructure services across a complex estate. This role is based in London and includes exposure to both legacy and modern technologies.

About the Role - 3rd Line Storage Engineer

  • As a 3rd Line Storage Engineer, you will support users and engineering teams through incident management tooling while maintaining critical storage platforms and associated infrastructure.
  • You will work with technologies including NetApp and other enterprise storage systems, supporting configuration, performance, resilience, and integration across the wider environment.
  • The role includes supporting Microsoft and virtualisation platforms that interface with storage services, ensuring stable and secure operation across multi site domains.
  • You will receive training on legacy components and contribute to upgrades, migrations, and optimisation activities.

What We’re Looking For - 3rd Line Storage Engineer

  • Strong experience with enterprise storage platforms such as NetApp and a good understanding of storage protocols, clustering, HA, SOFS, DFS, and related storage services.
  • Knowledge of Windows Server 2003 to 2022, Active Directory, Group Policy, and secure delegation structures.
  • Understanding of DNS, DHCP, PKI, firewall controls, and SMTP proxy services.
  • Experience with VMware, vCenter, ESXi, vMotion, HyperV, and virtualised infrastructures interacting with storage systems.
  • Exposure to Citrix, App-V, cloud based services, PowerShell, MBAM, BitLocker, and VPN technologies.
  • Desirable knowledge of cloud platforms, automation tooling, container technologies, and monitoring systems.
  • Broader awareness of technologies such as Ansible, Puppet, Kubernetes, Docker, Elasticsearch, Linux, IaaS, and PaaS services.

Deliver secure and resilient storage services within a highly sensitive environment as a 3rd Line Storage Engineer.

To apply, please send your CV by pressing the apply button.

Infrastructure Engineer - Virtualisation - VMWare
CBSbutler Holdings Limited trading as CBSbutler
Sheffield
Hybrid
Senior - Leader
£360/day - £390/day

Infrastructure Engineer (Virtualisation) - VMware POD Lead
Located in Sheffield
9+ month Contract
360- 390 per day insideIR35
Hybrid - 3 days in the office per week

We are seeking a highly experienced Infrastructure Engineer (Virtualisation) to join the Virtualisation Engineering Team. This is a leadership role within a VMware Engineering POD, responsible for driving product vision, automation, reliability, and service sustainability across a large-scale enterprise VMware estate.

Responsibilities include:
Lead and mentor a team of VMware engineers within a POD structure
Own people and performance management responsibilities
Define VMware product strategy focusing on automation, reliability, availability,
performance, and scale
Design, deploy, and manage VMware technologies including vSphere, vRO, vRLI, vROps,
and vLCM
Drive automation initiatives using PowerCLI, Python, Ansible, and vRealize Suite
Establish and enforce engineering standards and SRE best practices
Improve service sustainability, transformation, and platform reliability
Oversee capacity planning, disaster recovery, and business continuity
Manage major incidents and represent the team on critical calls
Ensure compliance, CVE management, and adherence to regulatory standards
Collaborate with Operations, Engineering, Applications, Connectivity teams, and
vendors
Manage full hardware and software lifecycle from deployment to decommissioning

Skills and Experience:
15+ years’ total IT experience, including 12+ years in distributed systems (Linux,
Windows, HA solutions, server hardware, VMware)
Extensive experience managing VMware products (vSphere, vCenter, vROPS, vRO, vRLI,
vLCM) within banking/finance environments
Strong automation delivery experience across large-scale virtualisation
infrastructure
Deep understanding of network and storage technologies in distributed systems
Proven leadership and team management capability
Strong stakeholder engagement and communication skills
Experience managing full infrastructure lifecycle

This is a senior engineering leadership opportunity for someone who combines deep VMware technical expertise with automation capability and strong people leadership. Please apply for immediate interview!

CBSbutler is operating and advertising as an Employment Agency for permanent positions and as an Employment Business for interim / contract / temporary positions. CBSbutler is an Equal Opportunities employer and we encourage applicants from all backgrounds.

Engineering Lead - VMWare/Openshift
Square One Resources
Not Specified
Hybrid
Senior
£400/day - £485/day

Job Title: VMWare Engineering Lead
Location: Sheffield OR Birmingham (3 days per week on-site)
Salary/Rate: Up to 485 per day
Start Date: March 2026
Job Type:10-month contract (Inside IR35)

Company Introduction:
We are currently recruiting for an Engineering Lead with experience in large-scale IT infrastructure & distributed systems to join our tier-1 banking client on an exciting long-term contract.

Role overview

The role is part of the Virtualisation Engineering Team within Distributed Compute in CTO Enterprise Services.
A VMware Engineering POD Lead is responsible for guiding the development and delivery of VMware products, ensuring they meet business needs and customer expectations.

Responsible for VMware Products Vision and Strategy with a focus on automation, availability, reliability, performance, and scale. Managing complex environmental issues, collaborating with wider teams, such as Operations, Applications, Engineering, Connectivity, and vendors.

Job Responsibilities/Objectives:

  • Lead and mentor a team of VMware engineers within the POD structure
  • Responsible for people and performance management of the team
  • Design, deploy, and manage VMware vSphere, VRO, vRLI, and related technologies
  • Oversee day-to-day operations, troubleshooting, and performance tuning of the virtual environment
  • Collaborate with cross-functional teams to deliver infrastructure solutions for business needs
  • Drive automation initiatives using tools such as PowerCLI, Ansible, or vRealize Suite
  • Develop and maintain technical documentation, standards, and best practices
  • Participate in capacity planning, disaster recovery, and business continuity activities
  • Stay updated with the latest VMware technologies and industry trends
  • Engage key stakeholders to ensure product success and value; communicate issues, progress, and resolutions for critical incidents; liaise between operations and engineering teams
  • Continuously monitor compliance and mitigate risks using tools like vRealize Operations; ensure adherence to regulatory standards and internal policies
  • Manage and improve product offerings throughout their lifecycle using Agile methodologies; assess resource needs for critical services
  • Share regular product updates with stakeholders; ensure products are updated and compliant with supported versions; communicate CVEs promptly
  • Provide technical direction and leadership, ensuring best practices in VMware products, distributed systems, servers, and storage
  • Handle crisis situations efficiently, representing the team in major incident calls and providing technical expertise
  • Implement robust monitoring and alerting systems to proactively manage platform health
  • Ensure system availability and performance, meeting defined SLAs and SLOs
  • Plan for future

Required Skills/Experience

  • Extensive IT experience with large-scale IT Infrastructure and in-depth experience with Distributed Systems Ex: Linux, Windows, High Availability Solutions, Server Hardware and VMware products
  • Proven leadership and team management skills.
  • Experienced in managing and maintaining VMware products (vSphere, vCenter, vROPS, vRO, vRLI, vRLCM) within banking / finance domain
  • Proven ability to lead and drive engineering deliveries through automation using PowerCLI, Python, Ansible, vRO workflows in large scale virtualization infrastructure
  • Strong understanding of network and storage technologies in relation to distributed systems especially VMware platform
  • Ability to work collaboratively in team environment and communicate effectively with technical and non-technical stakeholders
  • Excellent communication, interpersonal, leadership, and problem-solving skills.
  • Proficient in managing the entire life cycle of hardware and software, from planning and deployment to maintenance and decommissioning.
  • Diploma/B.E/B.Tech/M.Tech/M.Sc in Computer Science/IT preferred (or any engineering field considered) or equivalent

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Infrastructure Virtualisation Engineer
Guidant Global
Portsmouth
In office
Mid - Senior
£350/day - £500/day

2 year Contract

Inside IR35

Location - Portsmouth or Corsham

Overview

The Infrastructure Virtualisation Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of the core virtual estate which form the backbone of the NSoIT(D) Platform. The detailed responsibilities of the team include:

  • The design, development, building and validation of all virtualisation components which form part of the NSoIT(D) Platform.
  • Production and review of all levels of design artefacts.
  • Supporting wider NSoIT(D) system testing activities.
  • Working with Service Management to resolve issues.

Essential skills, qualifications and experience

In order to deliver this service, it is essential that individuals have:

  • Demonstrable experience of at least 3 years within the industry with detailed knowledge and understanding, of the design, implementation, and troubleshooting of the following:
    • VMwareESXi
      • Distributed Virtual Switches
      • Distributed Resource Scheduler
      • Distributed Power Management
    • VMwarevSAN
      • Hybrid and All Flash storage configurations
    • VMwarevCenter
      • High Availability;
      • Clustering;
      • Cross-site failure and resiliency
    • VMwareNSX
      • Microsegmentation Firewalling
      • Cross Site VC NSX
    • VMware Horizon
    • At least one professional Virtualisation certification that has been obtained within the last five years, i.e. VMware VCP (VMware vCenter Certified Professional) or similar.
    • Strong communication skills, both written and verbal.
    • Strong critical thinking and analytical skills to solve problems and propose new ideas.
    • Hold a valid Security Clearance (SC).
    • Competency in MS Office Suite.

Desirable skills, qualifications and experience

In order to deliver this service, it is desirable that individuals have:

  • Experience of:
    • Working within the public sector, preferably Defence, and ideally with Defence Digital (formerly ISS).
    • Delivering accredited secure solutions within the UK Public Sector.
    • Delivering in Agile (SAFE4) and Waterfall projects.
    • Large Virtualisation infrastructure environments that operate at scale.
  • Knowledge of The Atlassian toolset (JIRA and Confluence) to record and document work.
  • Networking certification, CCNA (Cisco Certified Network Associate), VMware Network Virtualisation (NSX-DC) or similar.
  • A Computer Science university-based education at Bachelors or Masters level.
  • Experience in developing secure architecture within a multi-tenanted environment.
  • Chartered Engineer Status

Guidant Global is acting as an Employment Business in relation to this vacancy.

Infrastructure Automation Engineer
Guidant Global
Portsmouth
In office
Junior - Mid
£350/day - £500/day
+3

2 year Contract

Inside IR35

Location - Portsmouth or Corsham

Overview

The Infrastructure Automation Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of infrastructure automation components which form part of the NSoIT(D) Platform. These automation components will primary be developed using Python3, Ansible and Bash with a focus on hardware components, specifically their various features, services, and configurations, as well as interactions with external REST/SOAP APIs and services. The team’s responsibilities include:

  • Apply complex problem solving to “reverse engineer” applications, designs and manual build instructions to create zero touch automation packages that are parameterised, dynamic and able to repeatedly and reliably deploy against these designs. Often these applications are legacy, were created without automation in mind or are otherwise resistive to full, zero touch automation.
  • Create production quality code, following industry standard best practices as well as internal policies and procedures, utilising Version Control mechanisms such as GIT and BitBucket to submit development code as well as peer reviewing other team members’ code modules.
  • Production and review of all levels of design artefacts.
  • Supporting wider NSoIT(D) system testing activities.
  • Working with Service Management to resolve issues.

Essential skills, qualifications and experience

In order to deliver this service, it is essential that individuals have:

  • At least 12months’ demonstrable hands on experience within the last 3 years of:
    • Creating complex Python3 automation Classes for production systems
    • Using configuration management tools e.g. Ansible, Puppet, Chef
    • Use of scripting languages e.g. Bash
    • Automated deployment of server, network and storage technologies across multiple vendors
    • Building or supporting large infrastructure environments
    • Troubleshooting hardware or software component failure
    • Working as part of an Agile development team
  • Demonstrable experience with advanced Python3 coding features e.g. Workflows, Desired State Configuration (DSC) and Bare Metal Deployment
  • At least one of the following professional certifications that have been obtained within the last five years:
    • Networking certification - CCNP (Cisco Certified Network Professional) or similar
    • Virtualisation certification - VMware VCP (VMware vCenter Certified Professional) or similar,
    • Linux certification - RHCA or RHCE
    • Formal Software Development certification - OCA (Oracle Certified Associate) or similar
  • Strong communication skills, both written and verbal.
  • Strong critical thinking and analytical skills to solve problems and propose new ideas.
  • Hold a valid Security Clearance (SC)
  • Competency in MS Office Suite.

Desirable skills, qualifications and experience

In order to deliver this service, it is desirable that individuals have:

  • Knowledge of the Atlassian toolset (JIRA, Confluence, and Bamboo) to record and document work.
  • Experience of:
    • Working within the public sector, preferably Defence, and ideally with Defence Digital (formerly ISS).
    • Delivering accredited secure solutions within the UK Public Sector.
  • A Computer Science university-based education at Bachelors or Masters level.

Guidant Global is acting as an Employment Business in relation to this vacancy.

Network Engineer
Guidant Global
Portsmouth
Hybrid
Mid - Senior
£350/day - £500/day

2 year Contract

Inside IR35

Location - Portsmouth or Corsham

Overview

The Network Engineering Service will support the technical team responsible for the design, development, documentation, building and validation of the core physical and virtual networking components which form the backbone of the NSoIT(D) Platform. The detailed responsibilities of the team include:

  • The design, development, building and validation of all networking components which form part of the NSoIT(D) Platform.
  • Production and review of all levels of design artefacts.
  • Supporting wider NSoIT(D) system testing activities.
  • Working with Service Management to resolve issues.

Essential skills, qualifications and experience

In order to deliver this service, it is essential that individuals have:

  • Demonstrable experience of at least 3 years within the industry with detailed knowledge and understanding, of the design, implementation, and troubleshooting of the following:
    • Hierarchical IP Subnetting.
    • Routing protocols, internal and external, OSPF, and BGP.
    • Advanced knowledge of routers, switches and firewalls.
    • Core network technologies and infrastructure:
      • Cisco Nexus
      • Cisco IOS XE
      • Leaf and Spine network architecture
      • VXLAN Overlay networks
      • Dual Cloud Dual Hub DMVPN Solutions
      • Firewall IPS/IDS
      • AAA Management Platform e.g. ISE
      • VXLAN
    • TRLCrypto
      • Configuration of devices and management of keymat
    • All aspects of QOS (Traffic Shaping / Policing / Scheduling / Congestion Management and Avoidance).
  • At least one of the following professional certifications that have been obtained within the last five years:
    • Networking certification - at least CCNP (Cisco Certified Network Professional) or similar.
    • Virtualisation certification - VMware VCP-NV (VMware vCenter Certified Professional - Network Virtualisation)
  • Strong communication skills, both written and verbal.
  • Strong critical thinking and analytical skills to solve problems and propose new ideas.
  • Hold a valid Security Clearance (SC)
  • Competency in MS Office Suite.

Desirable skills, qualifications and experience

In order to deliver this service, it is desirable that individuals have:

  • Experience of:
    • Working within the public sector, preferably Defence, and ideally with Defence Digital.
    • Defence networks and gateways.
    • Delivering accredited secure solutions within the UK Public Sector.
    • Delivering in Agile (SAFE4) and Waterfall projects.
    • Large Virtualisation infrastructure environments that operate at scale.
  • Knowledge of the Atlassian toolset (JIRA and Confluence) to record and document work.
  • A Computer Science university-based education at Bachelors or Masters level.
  • Experience in developing secure architecture within a multi-tenanted environment.
  • Chartered Engineer Status.

Guidant Global is acting as an Employment Business in relation to this vacancy.

Cloud Infrastructure Engineer
VIQU IT
London
Hybrid
Mid - Senior
£600/day - £700/day
+4

Cloud Infrastructure Engineer 8 months SC Cleared Hybrid - London

My customer is looking for an SC Cleared Cloud Infrastructure Engineer with strong cloud and Infrastructure-as-Code expertise to support the delivery of a large-scale Infrastructure Transformation project.

This role requires a Security Cleared Cloud Infrastructure professional with solid, hands-on experience with DevOps, Terraform, and GitHub.

Responsibilities of the Cloud Infrastructure Engineer:

  • Lead the complete transition of applications into the Azure environment.
  • Create Automation by implementing CI/CD pipelines using GitHub.
  • Implement and manage Infrastructure as Code (IaC) working with tools such as Terraform.
  • Provide SRE-level support, troubleshooting, and incident resolution for complex cloud environments.
  • Coach less-experienced engineers and champion collaborative knowledge-sharing.
  • Installing and configuring Windows based systems.
  • Integrate PowerShell automation with database operations
  • Writing clear and concise documentation.

Essential Skills of the Cloud Infrastructure Engineer:

  • Must hold an Active SC Clearance.
  • Must have experience completing large scale transformation projects.
  • Must have extensive hands-on experience:
    • Azure DevOps
    • PowerShell
    • SQL
    • CI/CD pipelines
    • GitHub
    • Terraform (Infrastructure as Code)
  • Desirable hands-on experience:
    • Kubernetes
    • C# development
    • Packer
    • Helm
    • AKS
    • Flux

The successful Cloud Infrastructure Engineer must be available to work 2 days a week onsite in Central London.

Apply now to speak with VIQU IT in confidence. Or reach out to Matt Farrell via the VIQU IT website.

Do you know someone great? We ll thank you with up to £1,000 if your referral is successful (terms apply).

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

Linux Infrastructure Engineer
Experis
London
Hybrid
Mid - Senior
£550/day - £600/day

LINUX Infrastructure Engineer

6 Month Contract - Inside IR35 - Up to 600 per day
London, UK - 2-3 days onsite

We are seeking a DV Cleared LINUX & Applications Specialist to support a secure government programme delivering operating system and application capabilities within a controlled virtual infrastructure.

This is a 6 month contract role, Inside IR35, paying up to 600 per day.

Candidates must hold active DV Clearance and be a sole British national due to the sensitivity of the programme.

Key Responsibilities

  • Design, build and integration of Linux operating systems - Red Hat preferred
  • Provisioning of new systems within virtual environments
  • OS upgrades, patching and lifecycle management via Satellite Server
  • Security hardening to CIS and NIST standards
  • Use of security scanning tools and threat remediation
  • Deployment, configuration and troubleshooting of vendor monitoring tools
  • Integration with operating systems, container platforms, Active Directory, security tooling and backup solutions
  • Build and deployment of network and infrastructure monitoring tools
  • Strong troubleshooting across OS and IP networking environments
  • Production of High and Low Level Design documentation and build guides

Expected Activities

  • Deliver against the project technical roadmap
  • Linux server builds within on-site infrastructure
  • OS hardening, upgrades and patching
  • Application deployment and container integration
  • Integration with storage, security, monitoring and backup capabilities

This is a hands-on delivery role within a high assurance environment.

If you hold active DV Clearance and are looking for your next secure contract engagement, apply with your latest CV

Network Engineer
Hays Technology
Cardiff
In office
Mid - Senior
£400/day - £450/day
TECH-AGNOSTIC ROLE

Cardiff
On-site
18 Months
400 to 450 Outside IR35

Your new company
A large organisation based in South Wales.

Your new role
The role focusses on deploying Fortinet infrastructure, including Fortigate firewalls, Fortiswitches, and FortiManager. You will lead the network deployment, ensure alignment across business teams, and build strong internal relationships to provide a smooth handover once the implementation is complete.
Key Responsibilities

  • Creating Implementation plans using the LLD provided, planning, and installing local area networks (LAN), wide area networks (WAN)
  • Implementing firewalls, switches, taps and centralised mgmt. As required on 2 new sites
  • Testing new implementations and monitoring network performance, analysing data, and performing updates as required to ensure the best possible delivery.
  • Following the successful build of 2 new DC’s, there will be a migration exercise out of the existing DC.
  • Review and apply necessary FW changes following the change process.
  • Diagnosing, fixing, and documenting hardware and software issues
  • Providing technical overview documentation for internal support teams
  • Provide internal network team detailed handovers to enable a smooth transition into BAU support.
  • You will be expected to attend the site for the implementation and design sessions as required.

What you’ll need to succeed

  • Strong understanding of networking protocols (TCP/IP, BGP, OSPF), routing, switching, and security principles.
  • Experience working with network hardware (Fortinet (Essential), Cisco, Juniper, etc.) and software-defined networking (SDN).
  • Ability to analyse data traffic and troubleshoot network issues efficiently.
  • Experience of implementing hardware from scratch and testing out appropriately.
  • Able & willing to travel to sites in South Wales, from Swansea to Newport.

What you’ll get in return
Up to 450 Per Day, Outside IR35.

What you need to do now
If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.
If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at (url removed)

Network Technical Integration Lead
CBSbutler Holdings Limited trading as CBSbutler
Cheshire
Hybrid
Senior
£550/day - £604/day

Location: Hybrid (60% onsite / 40% remote)
Duration: Contract through to November 2026

Role Overview

We are seeking an experienced Network Technical Integration Lead to drive engineering execution, ensure quality delivery, and lead safe, controlled change into production environments.

This is a senior technical leadership role focused on resilience, automation-first engineering, and end-to-end design accountability. You will coach engineers, embed SRE best practices, and ensure non-functional requirements (NFRs) are engineered into every solution.

Key Responsibilities

  • End-to-End Design Ownership
  • Change & Release Engineering
    Define and execute structured change rehearsals, smoke testing, soak testing, and production rollbacks.
  • Automation & Infrastructure as Code
  • Site Reliability Engineering (SRE) Practices
    Implement error budgets, reduce toil, and enhance reliability engineering standards.
  • Operational Excellence & Continuous Improvement

Essential Experience

  • 8-10+ years’ experience across network and security engineering (design, build, operate)

  • Strong troubleshooting across multiple layers:

    • Network
    • Identity
    • Endpoint
    • Proxy
    • SIEM / SOAR
  • Hands-on automation experience (e.g., Ansible, Terraform, GitHub, Azure DevOps)

  • Proven ITIL change leadership experience

  • Major Incident Management (MIM) exposure

Desirable Certifications

  • CCNP / CCIE
  • Zscaler Professional
  • Fortinet NSE 4+
  • Splunk Admin / Enterprise Security
  • ITIL 4 Managing Professional (or equivalent)

Success Metrics

  • Reduced change failure rate
  • Improved MTTR (Mean Time to Resolution)
  • Increased automated test coverage
  • Higher percentage of changes moved to standard/automated models
  • Measurable reduction in repeat incidents

This role is ideal for a technically strong, automation-driven engineering leader who thrives in complex enterprise environments and is passionate about building resilient, production-ready network platforms.

DV Cleared DevSecOps Platform Architect & Engineer
CBSbutler Holdings Limited trading as CBSbutler
Hampshire
In office
Mid - Senior
£635/day - £740/day

Location: Hampshire
Security Clearance: Active DV Clearance Required

  • Long term engagement

Overview

We’re looking for a DV Cleared DevSecOps Platform Architect & Engineer to join a high-profile, secure military IT programme, delivering highly resilient, automated, and secure data platforms.

This role sits at the intersection of DevSecOps, platform engineering, cloud infrastructure, and secure data systems, supporting advanced research and large-scale data analysis in a mission-critical environment. If you enjoy building things that have to work first time, in places where failure is not an option, you’ll feel right at home.

Key Responsibilities

  • Design, build, and maintain secure DevSecOps platforms supporting sensitive data workloads
  • Architect and deliver automated CI/CD and GitOps pipelines for rapid, secure deployments
  • Develop and manage secure cloud and hybrid infrastructure
  • Implement security-first engineering practices across the full SDLC
  • Build and optimise data pipelines for large-scale data processing and analytics
  • Design and operate containerised platforms using Kubernetes and modern orchestration tooling
  • Embed security controls, monitoring, and compliance across all environments
  • Collaborate closely with engineering, security, and operational teams

Essential Skills & Experience

  • ActiveHLC
  • Strong experience in DevSecOps and Platform Engineering
  • Deep hands-on expertise with CI/CD pipelines and GitOps tooling
  • Strong background in cloud platforms (AWS, Azure, or GCP - secure environments preferred)
  • Experience designing secure, scalable infrastructure-as-code solutions
  • Strong knowledge of containerisation and orchestration (Docker, Kubernetes, Helm, etc.)
  • Proven experience building data pipelines and supporting large-scale data processing platforms
  • Solid understanding of cybersecurity principles, zero-trust, and secure system design

Desirable Experience

  • Experience working in defence, military, or highly regulated secure environments
  • Knowledge of air-gapped or restricted network architectures
  • Exposure to big data platforms, analytics tooling, or AI/ML pipelines
  • Background in site reliability engineering (SRE) or reliability-focused platform design

Why This Role?

  • Work on cutting-edge secure military systems
  • High-impact engineering - your work directly supports critical national capabilities
  • Proper engineering challenges, not just “keeping the lights on”
  • Long-term programme stability and excellent contract longevity
NetApp Senior Storage Engineer
4M Recruitment
London
Hybrid
Senior
£465/day
TECH-AGNOSTIC ROLE

We are seeking an experienced NetApp Senior Storage Engineer to join our enterprise infrastructure team on a initial 6 month contract.

This is a hands-on technical role focused on the administration, support, and optimisation of NetApp storage environments and modern enterprise backup platforms.

Key Responsibilities

Storage Administration & Support

  • Hands-on administration of NetApp storage systems
  • Strong experience with NetApp ONTAP (Clustered ONTAP)
  • Management of aggregates, volumes, LUNs, and qtrees
  • Support for NFS and CIFS/SMB protocols
  • Configuration and support of Storage Virtual Machines (SVMs)
  • Management of Snapshots and SnapMirror replication

Storage Architecture & Operations

  • Design and support of enterprise storage solutions
  • Capacity planning and performance tuning
  • High availability configurations (HA pairs, clustering)
  • Firmware and ONTAP upgrades
  • Storage migrations and data lifecycle management

Backup & Disaster Recovery

  • Strong understanding of backup fundamentals (full, incremental, retention policies)
  • Knowledge of RPO and RTO objectives
  • Disaster recovery planning and testing
  • Data integrity validation and restore testing

Enterprise Backup Platforms

  • Hands-on experience with enterprise-grade solutions, particularly:
  • Cohesity
  • Rubrik
  • Experience backing up and restoring enterprise databases
  • Protection of VM-based infrastructure
  • Image-level backups and application-consistent snapshots

In addition to experience in some of the above candidate will also ideally hold industry certifications in NetApp along with strong troubleshooting and analytical capability, ability to work independently in complex enterprise environments and clear documentation and effective communication skills.

If you are a proactive infrastructure specialist with strong NetApp and enterprise backup expertise, we would love to hear from you.

This role will be hybrid based working 1-2 day per week in the office.

Day Rate - £465 per day via umbrella company

Principal Cloud Platform Engineer
CBSbutler Holdings Limited trading as CBSbutler
Manchester
Hybrid
Senior
£580/day - £618/day

Principal Cloud Platform Engineer - Contract

Location: Hybrid (60% office / 40% remote)

Role Overview

We are seeking an experienced Principal Cloud Platform Engineer to help shape the future of our cloud security and automation capabilities. You will play a key role in expanding our cloud product roadmap, automating remediation and escalation processes, and strengthening our security posture across enterprise platforms.

Working closely with engineering, security, and DevOps teams, you will apply modern cloud-native and CI/CD practices to solve real-world business challenges across multiple technology domains.

Key Responsibilities

  • Drive cloud infrastructure enhancements aligned to strategic and budgetary objectives.
  • Collaborate with engineering teams on the design, build, and delivery of scalable cloud services.
  • Enable stakeholders to adopt modern cloud-native architectures and best practices.
  • Ensure cloud platforms adhere to security, compliance, and software lifecycle standards.
  • Automate operational workflows, incident remediation, and escalation processes.

Essential Skills & Experience

  • Proven experience in cloud engineering with professional certifications (AWS, Azure, or GCP preferred).
  • Ability to translate High-Level Designs (HLD) and Low-Level Designs (LLD) into implementable solutions.
  • Strong scripting skills in PowerShell, Bash, and Python or Java.
  • Deep experience with CI/CD pipelines and Agile/Scrum methodologies.
  • Knowledge of SIEM, cloud security controls, and cloud security tooling.
  • Experience with incident, problem, and change management processes.
  • Hands-on experience with Wiz (Wiz Cloud, Wiz Defend).
  • Strong containerisation expertise (Docker, Kubernetes).
  • Experience with Windows and Red Hat Linux environments.
  • Automation experience using Chef or similar configuration management tools.

GCP-Focused Experience (Highly Desirable)

  • Infrastructure automation using Deployment Manager or Terraform.
  • IAM roles, Service Accounts, and Organization Policies.
  • CI/CD tooling including Cloud Build, Artifact Registry, and Cloud Deploy.
  • GCP Networking (VPC, firewall rules, load balancing).
  • Observability and security tooling (Cloud Logging, Monitoring, Security Command Center).
  • Experience with GKE and container orchestration.

Desirable Qualifications

  • Experience within financial services or other regulated environments.
  • Bachelor’s degree (or higher) in a relevant technical discipline.
  • CISSP or equivalent security certification.
Infrastructure Storage Analyst CGEMJP
Experis
Coventry
Hybrid
Junior - Mid
£200/day - £325/day

Role Title: Infrastructure Storage Analyst

Duration: contract to run until TBC

Location: Coventry, Hybrid 2 days per week onsite

Rate: up to 325.68 p/d Umbrella inside IR35

Role purpose / summary

The Infrastructure Storage Analyst will join an already established Platform team within CBS, providing a level of technical knowledge to undertake the troubleshooting and resolution to production incidents or problems independently escalating to Senior Engineers if required. Completes tasks to agreed levels of quality, within stated timescales with minimal supervision. Looks for improvement opportunities within the team and its processes/procedures. An effective team member who provides support and guidance to peers and other team members. Contributes to team efficiency through the creation of accurate technical documentation where required

  • Responsible for independently troubleshooting and resolving production service incidents
  • Undertake technical tasks such as patching, allocating storage, maintaining scripts and configuring backups Effectively prioritise tasks to ensure high priority activities are completed first Specific Skills:
    • Demonstrable level of knowledge in their chosen technical discipline.
    • Essential experience of working in a complex, pressurised production environment. Financial services experience would be desirable but not essential.
  • VMware + enterprise skills like vRealize, SRM, operations manager
  • CISCO UCS infrastructure (compute, networking and storage combined into a single unit)
  • Good knowledge of storage technologies vSAN and VxRail
  • Experience with Linux command line technologies, as IBM Storage operates on a Unix interface.
  • Exposure to and application of cluster management within Spectrum Scale.
  • Familiarity with Spectrum Scale protocols, including GPFS, NFS, and SMB in an active-active topology.

Essential skills

  • Exposure to and application of IBM Flash Systems - knowledge and experience of replication using global mirror, metro mirror and change volumes
  • Exposure to and application of cluster management within Spectrum Scale, Oracle and ESXi environments
  • Exposure to and application Spectrum Scale - protocols to include GPFS, NFS, and SMB in active-active topology
  • Explore to or awareness of GKLM (SKLM)
  • Awareness of how actions can affect availability
  • Provision and redaction of storage across the IBM storage estate - all technologies
  • Experience of working with Linux command line technologies
  • Experience of ticket management using ServiceNow
  • An appreciation of Cloud technologies (AWS) and associated features
  • Knowledge of AWS server administration and features
  • Some experience of working within an Agile delivery environment
  • An understanding of VMware products including vSphere, vRealize & related technologies
  • An understanding of Cisco UCS & HPE infrastructure An understanding of virtualisation architectures and some experience supporting

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!

Senior DevOps Integration Engineer
CBS Butler
Knutsford
Hybrid
Senior
£600/day - £629/day
+9

Role: Senior DevOps Integration Engineer
Location: Hybrid - 60% onsite/40% remote - Cheshire
Contract Length: Until 30/11/2026
Rate: £600 to £630 per day

Role Overview

We’re looking for a Senior DevOps Integration Engineer to take ownership of designing, automating, and integrating modern CI/CD pipelines, cloud infrastructure, and platform tooling.

This is a hands-on technical role focused on building scalable, resilient DevOps solutions that improve deployment speed, platform reliability, and engineering efficiency across multiple teams. If you like solving complex automation problems and making pipelines purr rather than scream, you’ll feel at home here.

Key Responsibilities

  • Design, build, and maintain enterprise-scale CI/CD pipelines across multi-service environments
  • Integrate build, test, security scanning, and deployment workflows
  • Automate cloud infrastructure using Infrastructure as Code (Terraform preferred)
  • Build and manage container platforms using Docker and Kubernetes (AKS/EKS/GKE)
  • Implement monitoring, logging, and alerting integrations
  • Collaborate with engineering, SRE, and security teams to embed DevOps best practices
  • Troubleshoot pipeline failures, environment inconsistencies, and integration issues
  • Drive continuous improvement, performance optimisation, and platform resilience
  • Produce clear documentation, automation standards, and reusable tooling

Required Skills & Experience

  • Strong hands-on experience building CI/CD pipelines (Azure DevOps, GitHub Actions, GitLab CI, Jenkins)
  • Solid cloud engineering experience (Azure, AWS, or GCP)
  • Deep Infrastructure as Code expertise (Terraform highly preferred)
  • Kubernetes and container orchestration experience
  • Strong Scripting skills (Python, Bash, PowerShell)
  • Good understanding of DevSecOps practices (SAST, DAST, secrets management, code scanning)
  • Excellent troubleshooting and systems integration skills

Nice to Have

  • Cloud/DevOps certifications (Azure DevOps Engineer, AWS DevOps Pro, CKA)
  • Experience with API integration, service automation, or event-driven pipelines
  • Familiarity with monitoring stacks (Prometheus, Grafana, ELK, Splunk)
  • Experience with GitOps tooling (ArgoCD, Flux)
Frequently asked questions
Haystack lists a variety of contract Infrastructure (or Platform) Engineer roles, including positions focused on cloud infrastructure, network architecture, system administration, automation, and platform scaling, across different industries and company sizes.
To apply, simply create a profile, upload your resume, and submit applications through the job listings. Some postings may redirect you directly to the employer’s application portal.
Contract Infrastructure Engineer jobs on Haystack offer various work arrangements, including fully remote, hybrid, and on-site positions. You can filter your job search based on location and work preferences.
Employers typically look for skills in cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), automation tools (Terraform, Ansible), networking, Linux/Unix systems, and relevant certifications such as AWS Certified Solutions Architect or Cisco CCNA.
While Haystack facilitates connections between candidates and employers, contract terms like duration, hourly/day rates, and deliverables are negotiated directly between you and the hiring company after initial contact.