Job Description: Senior Network SRE (London)

Role Overview:

We areseekinga highly experienced Senior Network Site Reliability Engineer (SRE) to join our global network operations team. This role is critical in ensuring the reliability, scalability, and performance of our network infrastructure. You will lead incidentresponses, troubleshoot complex issues, and drive automation initiatives tomaintainworld-class network services.

Required Skills:

Minimum 10 years hands-on experience in network engineering and operations.

Deepexpertisein routing, switching, firewalling, and wireless across multiple vendors.

Strong troubleshooting skills, including overlay/underlay network understanding.

Proficiencyin Linux/Unix environments.

Experience with automation and monitoring platforms.

Ability to work independently, set technical direction, and mentor others.

Tools

Netbox/Nautobot

Prometheus /VictoriaMetrics

Salt

Networking (either one of the following)

EVPN Segment routing (although I would accept someone with significant MPLS depth on their resume)

Key Responsibilities

Lead Incident Management: Own and resolve critical network incidents, manage outages, andprovideexpert guidance during high-pressure situations.

Advanced Troubleshooting: Diagnose and resolve complex issues across routing, switching, firewalling, and wireless domains.

Technical Leadership: Set technical direction, mentor junior engineers, and foster a culture of operational excellence.

24/7 Operations: Participatein a shift-based model to ensure continuous availability of critical network services.

Multi-Vendor Expertise: Operateacross diverse environments including Arista, Cisco, Cumulus, Spectrum Ethernet, InfiniBand, Palo Alto, Check Point, Mist, Aruba, A10,Netscaler, and F5.

Security & Segmentation: Support network segmentation, policy enforcement, and VPN solutions (GlobalProtect, AnyConnect).

Automation & Observability: Utilizetools like Grafana, Big Panda, ServiceNow, ITMP, syslog, Splunk,Salt, Ansible, andPrometheusto enhance monitoring and automation.

Innovation Projects: Collaborate on wireless design and AI cluster deployments to supportcutting-edgeinitiatives.

Preferred Skills

Experience with InfiniBand and AI cluster deployments .

Familiarity with network asset management systems (e.g.,Nautobot).

Wireless design experience with Cisco, Mist, Aruba .

TPBN1_UKTJ

Deputy Engineering Manager
Location: Brackley
Rate: £500 per day

Summary
We are seeking a Deputy Engineering Manager to join the Engineering team on-site in Brackley. This role will provide essential support to the Engineering Manager and work closely with the construction team to manage day-to-day engineering activities. Key responsibilities include identifying and mitigating engineering risks, reviewing and accepting Work Package Plans (WPPs), Risk Assessments and Method Statements (RAMS), and Inspection and Test Plans (ITPs) on behalf of the Engineering Manager. The role involves close collaboration with Quality, Environmental, and Construction Support teams to ensure compliance and technical assurance.

The Deputy Engineering Manager will oversee the management and execution of temporary works, ensuring proper coordination and integration with permanent works designs. They will provide technical guidance to construction delivery teams on matters such as Site Construction Environmental Works (SCEW), Non-Conformance Reports (NCRs), short notice design changes (Technical Queries and Field Change Requests), materials approvals, shop drawing and temporary works design reviews, and testing procedures.

Additionally, the role includes responsibility for timely and accurate redlining of approved design changes and supporting technical assurance activities such as audits, surveillance, and HS2 Technical Assurance Reviews. The Deputy Engineering Manager will liaise with the Designers Construction Support team to resolve design queries and changes efficiently.

Skills
Experience in major civil engineering works
Bachelor’s degree in Civil Engineering or Construction Management
Previous experience in a similar deputy or engineering management role
Experience working on large infrastructure projects
Ability to coordinate workloads effectively
Strong communication skills
Excellent Microsoft Office proficiency
Chartered Civil or Structural Engineer status
Full UK driving licence with access to a vehicle
Valid CSCS card (White, White/Yellow, Black, Gold, or Red)
Software/Tools
Microsoft Office Suite (Word, Excel, Outlook)
Project management and document control systems (as applicable)
Certifications & Standards
Chartered Civil or Structural Engineer (CEng)
CSCS card (White, White/Yellow, Black, Gold, or Red)
Full UK driving licence
This role offers a competitive daily rate of £500 and the opportunity to contribute to a major infrastructure project within a collaborative and safety-focused environment.

Site Operative Solutions are recruiting!

We are currently looking for 2 Fire Alarm Engineers to start on a project in January 2026.

Key Responsibilities The core tasks are crucial for understanding the day-to-day role. You will typically find responsibilities such as:

• Performing routine maintenance: Conducting planned preventative maintenance (PPM) and servicing on a range of conventional and addressable fire alarm systems
• Fault finding and repairs: Diagnosing complex faults and carrying out efficient repairs to minimise system downtime.
• Installation and commissioning: Installing, testing, and commissioning new fire alarm systems in accordance with industry standards and approved drawings.
• Ensuring compliance: Adhering strictly to British Standards and completing all necessary documentation and service reports accurately.
• Providing technical support: Offering professional, customer-focused service on site and potentially mentoring junior engineers.

Required Qualifications and Experience

• ECS card (essential)
• IPAF 3a + 3b (essential)
• Previous experience installing Fire alarm systems

Works will begin in early January 2026, working 40 hours per week (8 hours Monday - Friday).

Day rate: £250 per day

If interested, please apply now!

Secure Engineer

Must have an Active DV Clearance

An opportunity has arisen for a Secure Engineer to join a growing Secure Engineering Project Team supporting Defence and highly secure government environments. This role suits a hands on engineer who enjoys on site delivery, takes ownership, and leads by example in complex and sensitive locations across the UK and occasionally overseas.

About the Role - Secure Engineer

• As a Secure Engineer, you will deliver on site installations, upgrades, and infrastructure deployments within highly secure environments.
• You will interpret technical drawings and design documentation to implement solutions to specification.
• You will work closely with project managers, customers, and security teams to ensure smooth execution of project plans.
• The role includes break fix and project engineering activities, post installation testing, and structured handover to operations teams.
• You will maintain accurate records including sign off, asset registers, configuration details, and site documentation.

Key Skills - Secure Engineer

• Minimum three years experience working within MOD or highly secure environments.
• Strong background in infrastructure installation and field engineering within data centres or secure sites.
• Good understanding of servers, network switches, structured cabling, racks, and network layouts.
• Ability to work independently, follow processes, and complete work to strict security and quality standards.
• Strong communication, organisation, and time management skills.
• Willingness to travel extensively and work outside core hours when required.

Additional Requirements - Secure Engineer

• Full UK driving licence.
• Experience leading or coordinating on site engineering teams.

Build secure national capability and lead on site delivery as a Secure Engineer.

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

Network Engineer (Gigamon or Juniper or Cisco) - Must hold an Active SC Clearance

A Network Engineer with Gigamon expertise to join a highly skilled team delivering a major cyber roll-out for a large government client. This is a hands-on role working on a secure site, requiring strong technical skills, a proactive attitude, and the ability to work collaboratively with engineering and project teams.

Key Responsibilities:

• Remotely configure hardware under the direction of a technical team lead.
• Build, configure, and harden Juniper switches following detailed build guides.
• Build and on-board Gigamon physical appliances to the Gigavue FM Management Server.
• Travel to customer sites to install hardware within racks.
• Provide remote hardware support during customer testing phases.
• Deliver regular progress updates to the Project Manager and technical leads.
• Ensure new hardware is successfully integrated into support processes.
• Support out-of-hours work where required, due to customer operational schedules.

Essential Skills & Experience:

• Demonstrable experience as a Network Engineer, ideally on Cisco-focused projects, with proven track record of implementing hardware at customer sites.
• Strong understanding of Gigamon solutions and on-boarding processes.
• If you don’t have Gigamon experience you MUST have Extensive Juniper or Cisco experience.
• Ability to build positive working relationships and collaborate effectively within a wider project team.
• Clear and professional communication skills when dealing with colleagues, management, and customers.
• Experience supporting large government programmes or high-security environments.
• A proactive and positive approach with the ability to work independently and resolve technical issues.
• Comfortable working with minimal supervision, and able to troubleshoot and report on hardware issues and remediation steps.

This is an exciting opportunity to contribute to a high-profile and impactful government programme, working with cutting-edge technologies in a secure and fast-paced environment.

Job Description: Senior Network SRE (London)

Role Overview:

We areseekinga highly experienced Senior Network Site Reliability Engineer (SRE)to join our global network operations team. This role is critical in ensuring the reliability, scalability, and performance of our network infrastructure. You will lead incidentresponses, troubleshoot complex issues, and drive automation initiatives tomaintainworld-class network services.

Required Skills:

• Minimum 10 years hands-on experience in network engineering and operations.
• Deepexpertisein routing, switching, firewalling, and wireless across multiple vendors.
• Strong troubleshooting skills, including overlay/underlay network understanding.
• Proficiencyin Linux/Unix environments.
• Experience with automation and monitoring platforms.
• Ability to work independently, set technical direction, and mentor others.
• Tools
• Netbox/Nautobot
• Prometheus /VictoriaMetrics
• Salt
• Networking (either one of the following)
• EVPN Segment routing (although I would accept someone with significant MPLS depth on their resume)

Key Responsibilities

• Lead Incident Management:Own and resolve critical network incidents, manage outages, andprovideexpert guidance during high-pressure situations.
• Advanced Troubleshooting:Diagnose and resolve complex issues across routing, switching, firewalling, and wireless domains.
• Technical Leadership:Set technical direction, mentor junior engineers, and foster a culture of operational excellence.
• 24/7 Operations:Participatein a shift-based model to ensure continuous availability of critical network services.
• Multi-Vendor Expertise:Operateacross diverse environments including Arista, Cisco, Cumulus, Spectrum Ethernet, InfiniBand, Palo Alto, Check Point, Mist, Aruba, A10,Netscaler, and F5.
• Security & Segmentation:Support network segmentation, policy enforcement, and VPN solutions (GlobalProtect, AnyConnect).
• Automation & Observability:Utilizetools like Grafana, Big Panda, ServiceNow, ITMP, syslog, Splunk,Salt, Ansible, andPrometheusto enhance monitoring and automation.
• Innovation Projects:Collaborate on wireless design and AI cluster deployments to supportcutting-edgeinitiatives.

Preferred Skills

• Experience with InfiniBandand AI cluster deployments.
• Familiarity with network asset management systems(e.g.,Nautobot).
• Wireless design experience with Cisco, Mist, Aruba.

Backend Software Engineer - Java / Cloud (SC Cleared)Guildford, Surrey (Hybrid - x3 days per week on-site)12-month contractRates: Negotiable (DOE) We are currently supporting a major organisation within the Defence & Space sector who are looking for an experienced Software Engineer to join a collaborative Agile Scrum team working on innovative geospatial software solutions.You’ll be involved across the full software development lifecycle, contributing to the design, development, testing and deployment of scalable, cloud-based services using modern technologies.Key Responsibilities

• Design, develop and maintain high-quality, scalable Java-based applications
• Contribute to reusable design patterns to improve team velocity
• Write unit and automated tests to support high-quality delivery
• Participate in design and code reviews, ensuring best practice around security, maintainability and scalability
• Produce clear technical documentation and share knowledge across the team
• Actively contribute within an Agile Scrum environment, including sprint planning, reviews and daily stand-ups
• Work collaboratively to meet sprint commitments and delivery milestones

Essential Skills

• Strong commercial experience with Java
• Experience developing cloud-based services
• Unit testing and test-driven development experience

Desirable Skills

• DevSecOps awareness (e.g. Tekton, ArgoCD, SonarQube)
• Experience with Kubernetes or Red Hat OpenShift
• Exposure to Quarkus framework
• Front-end development experience using Angular

Additional Information

• Security Clearance: SC required (or eligible)
• Working hours: 35 hours per week (compressed working pattern available)
• Occasional travel between UK sites may be required
• Interview process: virtual interview followed by onsite visit

If you’re an experienced Java Software Engineer looking for a long-term contract within a secure, high-impact environment, this is an excellent opportunity to work on meaningful technology programmes with modern tooling and strong engineering culture.

Position: Infrastructure Engineer
Location: Newport (2 /3 days onsite per week)
Day Rate: £350-£400 p.d inside IR35
UKSV SC Clearance Required

We’re looking for an experienced Infrastructure Engineer to support a major defence-sector client. This role is ideal for someone who thrives in a complex, high-security environment and enjoys owning and enhancing critical ITSM platforms.

The Role

You’ll take technical ownership of the BMC Remedy platform, ensuring stability, performance, and continuous improvement. Your work will span administration, workflow development, integrations, upgrades, and environment management. You’ll also support incident resolution, service requests, reporting, and compliance activities.

Essential Skills

• Windows administration (Level 1/2)
• VMware
• SQL Server (Level 1)
• PowerShell scripting
• Networking (Level 1)
• Strong understanding of ITIL principles

Desirable

• Hands-on experience with BMC Remedy
• Background working to tight SLAs

To learn more, please do reach out to Tom Royston via email on

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Rate: £25.15 per hour PAYE / £37.78 per hour Umbrella
IR35: Inside IR35
Contract: 6 months
Hours: Full time
Location: Cambridge (CB2) hybrid/onsite as required

The Role

We are working with a large NHS organisation in Cambridge to recruit an experienced Senior Systems Administrator for a 6-month contract engagement.

This is a senior, hands-on role operating at the intersection of Information Technology (IT) and Operational Technology (OT), supporting critical systems used across estates and facilities teams in a complex, highly regulated healthcare environment.

You will play a key role in ensuring the reliability, security, compliance, and documentation of enterprise infrastructure and third-party systems that directly support hospital operations.

Key Responsibilities

Systems Administration & Infrastructure

Administer and maintain enterprise IT systems and third-party devices, following best-practice lifecycle management

Perform advanced system monitoring to ensure availability, performance, and integrity

Embed operational best practice across systems, processes, and teams

Maintain IT asset data with automated monitoring and reporting

Security & Compliance

Enforce cybersecurity standards and carry out vulnerability management

Ensure compliance with security, Information Governance, and NHS frameworks

Manage security tooling, patching, and hardening activities

Support BIA, BCP, and recovery practices

Cloud & Microsoft Technologies

Support and manage cloud environments in collaboration with suppliers

Administer Microsoft 365 services including Teams and SharePoint Online

Manage Identity & Access Management using Microsoft Entra ID (MFA, Conditional Access, user provisioning)

Contribute to system maturity and continuous improvement frameworks

Networking & Connectivity

Provide support across WiFi, firewalls, VPNs, and core networking services

Apply strong knowledge of DNS, DHCP, TCP/IP, switches, and routers

Monitor and optimise system performance for high availability

3rd Line Support & Escalation

Act as escalation point for complex 2nd/3rd line incidents

Provide expert support for business-critical systems (e.g. CAFM and estates platforms)

Diagnose and resolve infrastructure, application, and network issues in line with SLAs

Vendors & Documentation

Work closely with external vendors and service providers

Maintain configuration management, technical documentation, and operational processes

Ensure secure storage, backup, and recoverability of systems and data

Essential Experience & Skills

Proven experience as a Senior Systems Administrator / Infrastructure Engineer in large enterprise environments

Strong Windows Server, Active Directory, and Microsoft SQL experience

Experience supporting Microsoft 365, Azure, and hybrid environments

Solid understanding of cybersecurity, patching, and compliance frameworks

Strong networking fundamentals (DNS, DHCP, VPNs, firewalls)

Excellent documentation, troubleshooting, and stakeholder engagement skills

Desirable

Experience working in the NHS, public sector, or highly regulated environments

ITIL, PRINCE2, or similar service/project management certification

Experience supporting estates, facilities, or OT-adjacent systems

Experience mentoring or guiding junior engineers

If this role is of interest and you meet the above criteria, then please apply immediately.

Salary: £50,000 - £60,000 per annum

Day rate: £300 per day

Location: London

Responsibilities

• Service and maintain a range of control systems (Tridium, Distech, Schneider, Delta, Centraline).
• Carry out planned preventative maintenance (PPM), reactive tasks, and small-scale projects.
• Respond promptly and professionally to client requests.
• Conduct system checks and diagnostics to ensure optimal performance.
• Collaborate with engineers and contractors to deliver projects efficiently.
• Keep accurate records of all maintenance and service activities.
• Participate in training and remain up to date with industry standards and developments.

Qualifications

• Proven experience as a BMS Service Engineer.
• Strong technical knowledge and hands-on experience with at least two of the following systems: Tridium, Distech, Schneider, Delta, Centraline.
• Skilled in diagnosing and repairing complex technical issues.
• Excellent communication and interpersonal abilities.
• Capable of working independently as well as within a team.
• Strong problem-solving and analytical skills.
• Willingness to participate in the on-call rota.

Please click apply on the advert.