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

Security Lead - Incident Response & Threat Management

4 Months Contract

400 to 500 a day Inside IR35

Remote working

Active Security Clearance is Needed

A well-established consultancy firm is urgently looking for an experienced Security Lead with a strong background in Incident Response and Threat Management to contribute to a large-scale project for a high-profile client. This role requires a professional with active SC Clearance and a deep understanding of SecOps analyst support.

Core Responsibilities

• Incident Management: Directing the full incident response lifecycle, including the triage, investigation, and total resolution of security events.
• Threat Intelligence: Utilising Recorded Future, OpenCTI, and Cribl to correlate alerts and transform raw intelligence into actionable defensive insights.
• Detection & Monitoring: Designing advanced alerting mechanisms and robust monitoring strategies within Splunk to identify emerging threats.
• Vulnerability Remediation: Overseeing the identification and mitigation of vulnerabilities across diverse networks to minimise organisational risk exposure.

Essential Skills Needed

• Proficiency in Incident Response, Triage, and Threat Management.
• Practical, hands-on experience with Splunk, Cribl, Recorded Future, and OpenCTI.
• Expertise in Cloud Security Architecture.
• Proven ability to handle P1 and P2 incidents with a technical, proactive approach.

Desirable Skills

• Relevant industry certifications such as CISSP, CISM, or GIAC are highly desirable.

Active Security Clearance is Needed

4 Months Contract 400 to 500 a day Inside IR35 Remote working

This role offers the opportunity to work on a national-scale project and will be ideal for someone who wants to make a difference in the IT industry working with cutting-edge technologies. This position suits a ‘hands-on’ practitioner with a strong background in correlation alerting and managing high-priority incidents.

If the above seems of interest then please apply directly to the AD or send your CV to (url removed)

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

London Central - Hybrid, 3 days on site

Contract - 700 - 750 per day (inside)

Our client is seeking an experienced Security Architect who will join the security team of a major organisation. You will have strong knowledge of at least 3 out of IAM, AppSec, Cloud, Network Security and DevSecOps.

Technical Skills & Competencies:

• IAM: Azure AD, Okta, Ping
• Cloud Security: Prisma, Defender, Wiz, Lacework
• Vulnerability Management: Qualys, Tenable, Snyk
• SIEM / SOC integration knowledge (Splunk, Sentinel):

Desirable:

• Strong communication and stakeholder management skills
• Ability to challenge designs and provide pragmatic solutions
• Comfortable working directly with senior leadership
• Problem-solver with a hands-on mindset
• Prior experience working with global banks or financial institutions
• Security certifications (CISSP, CISM, CCSP - preferred but not mandatory)

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Windows Site Reliability Engineer 110K Hybrid London

Overview:
A leading global investment bank is seeking a skilled Windows Site Reliability Engineer to join their London-based Technology team. This is a senior-level leadership role focused on driving platform reliability, automation strategy, and infrastructure modernisation across mission-critical banking systems. This is an excellent opportunity to join an investment banking powerhouse.

Role and Responsibilities:

• Lead Platform Engineering and SRE strategy across the organisation
• Build scalable, self-service, and resilient infrastructure platforms
• Drive Infrastructure as Code and CI/CD adoption, automating manual tasks
• Define SLOs and optimise system performance, latency, and scalability
• Lead root cause analysis and remediate technical debt
• Partner with development teams to improve testing, releases, and deployments
• Shape cloud and hybrid migration strategies
• Ensure regulatory, audit, and security compliance
• Act as senior escalation point for high-severity incidents
• Identify cost and efficiency improvements; deputise for senior leadership

Skills and Experience:

• Deep expertise in Microsoft Windows Server internals
• Advanced knowledge of Active Directory, DNS, DHCP, LDAP, and Kerberos
• Extensive experience tuning low-latency, enterprise-scale systems
• Strong background in SRE, DevOps, CI/CD, and Infrastructure as Code principles
• Advanced scripting and development capability (PowerShell, Python, C#)
• Clustering, high-availability, replication, and disaster recovery expertise
• Experience with Git, Terraform, Ansible, Jenkins, and TeamCity
• Strong understanding of security hardening (CIS) within regulated environments
• Deep knowledge of performance monitoring, system internals, and optimisation techniques
• Experience working within financial services or other regulated industries

Desirable:

• Kubernetes and Docker orchestration
• Major cloud platforms (Azure, AWS, GCP)
• Nutanix HCI and VMware ESX
• Enterprise databases (SQL Server, Oracle, Sybase ASE, MongoDB, Snowflake)
• Enterprise monitoring tools (Splunk, Netcool)

Package

• Circa 110,000 + Excellent Package
• London / Hybrid x3 days onsite
• Flexible working considered

Windows Site Reliability Engineer 110K Hybrid London

City Elite are delighted to be working with a leading Trade Finance Bank, based in the City. We’re looking for a Production Support Engineer to provide front-office aligned support for our DMA and algorithmic electronic trading platforms across equities, fixed income, and FX. You’ll work closely with traders, sales, technology teams, and vendors to ensure the stability, performance, and reliability of high-volume, low-latency trading systems. The role covers FIX connectivity, EMS/OMS platforms, market data, incident management, and change/release support, with a strong focus on proactive monitoring and rapid issue resolution in a live trading environment.

Production Support Engineer (Equities Electronic Trading)

Location: London/ Hybrid

Employment Type: Permanent

Department: Algo/DMA Technology/Application Support

Key Responsibilities:

• Provide front office aligned production support for DMA and algorithmic trading platforms.
• Troubleshoot and resolve issues related to FIX protocol connectivity, order routing, drop copy, and post-trade workflows.
• Monitor order flow for rejects and failures, proactively identifying and resolving issues.
• Support and monitor market data feeds to maintain accuracy and performance.
• Collaborate with sales, traders, and execution desks to resolve production issues and trading queries.
• Support EMS/OMS platforms and ensure smooth integration with middle-office and back-office systems.
• Partner with middle office on allocations, booking, and reconciliations.
• Leverage observability and monitoring tools (Grafana, Splunk, OpenText/SiteScope/OBM) for proactive issue detection and notifications.
• Work with vendors on production support for OMS/EMS, FIX mapping/routing, market data, and execution connectivity.
• Able to take lead in incident root cause analysis and drive long-term stability improvements.
• Participate in change and release management, including exchange/venue upgrades, vendor releases, and platform roll outs.
• Contribute to Business Continuity Planning (BCP) by taking part in Disaster Recovery (DR) tests and industry-wide SIFMA BCP exercises.

Required Skills & Qualifications:

• Strong knowledge of the FIX protocol and order lifecycle (equities/Fixed Income/FX).
• Experience in front-office trading support, with direct interaction with traders/sales.
• Strong background with EMS/OMS platforms (Raptor, Fidessa, Flex Trade, Bloomberg EMSX, etc.).
• Hands-on experience with market data feeds (Bloomberg, PICO, Refinitiv, exchange feeds, etc.).
• Familiarity with middle-office workflows (allocations, booking, reconciliations).
• Proficiency with observability tools (Grafana, Splunk, OpenText/SiteScope/OBM).
• Good communication, problem-solving, and troubleshooting skills in low-latency, high-volume trading environments.
• Python (plus Shell a bonus) Scripting knowledge and SQL is a plus.

Preferred Qualifications:

• Bachelor’s degree in Computer Science, Engineering, Finance, or related discipline.
• 2-5 years of equities trading support experience.
• Exposure to DMA, DSA, SOR, Algo Trading strategies.
• Familiarity with global exchange protocols and regulations (Reg NMS, CAT, MiFID II etc.).

Security Administrator

6 months

London - hybrid

Inside IR35 - Umbrella only

Role overview:

• Palo Alto Networks expertise to support and enhance our security operations.
• Palo Alto Networks provides a comprehensive, AI-powered SASE (Secure Access Service Edge) solution known as Prisma SASE. It is designed to converge networking and security into a single cloud-delivered platform to support hybrid workforces and modern, distributed enterprises
• You will be responsible for the administration, configuration, policy management, monitoring, and optimisation of Palo Alto security controls, ensuring secure and resilient network operations across enterprise environments.
• This role is hands-on, need to be comfortable working in complex, regulated, or high-availability environments, partnering with infrastructure, networking, and SOC teams to deliver robust security outcomes.

Key Responsibilities:

Palo Alto Administer, configure, and support Palo Alto NGFWs (PA-Series / VM-Series) including:

• Security policy rules, NAT, zones, routing, interfaces, HA, and objects

• App-ID / User-ID / Content-ID, URL filtering, Anti-Spyware, Vulnerability profiles

• SSL decryption policy management (where applicable) and related operational impacts

• Work closely with Network Engineers, Cloud/Platform teams, and Service Owners

• Support projects such as:

  • Firewall migrations, data centre moves, cloud connectivity, segmentation initiatives
  • Zero Trust or least privilege initiatives
  • Integration with SIEM/SOAR tooling

Required Skills:

• Strong hands-on experience administering Palo Alto NGFWs in enterprise environments
• Proven experience with Panorama for centralised policy and device management
• Understanding of:
  • Network security principles (segmentation, least privilege, L3/L4/L7 filtering)
  • TCP/IP, routing (BGP/OSPF helpful), NAT, VPN concepts
• Skilled troubleshooting ability using logs, packet capture, and CLI diagnostics
• Experience operating within ITIL-style change management and incident processes
• Strong documentation skills and ability to communicate clearly to technical/non-technical stakeholders

Desirable Skills (Nice to Have):

• Palo Alto feature experience:
  • GlobalProtect, site-to-site IPsec VPNs, SSL decryption operations
  • Advanced Threat Prevention tuning, WildFire analysis, DNS Security
• Cloud security/networking exposure:
  • Azure/AWS/GCP, cloud-native firewalls, transit networking
  • VM-Series deployments, Terraform/automation exposure
• SIEM integration experience:
  • Splunk / Sentinel / QRadar log forwarding and use-case support
• Scripting/automation:
  • Python, PowerShell, Ansible, PAN-OS API, IaC patterns
• Experience in regulated environments (finance, healthcare, government, critical infrastructure)

Certifications:

• Palo Alto PCCSA / PCNSA / PCNSE (highly desirable)
• ITIL Foundation (helpful)
• Security certs: CompTIA Security+, CISSP, CCNP Security (nice to have)

Senior Network SRE (Contract)

Location: On-site 5 days a week in London
Rate: 500 per day
Contract: Inside IR35

We’re looking for a Senior Network Site Reliability Engineer (SRE) to join a global network operations team supporting large-scale, business-critical infrastructure. This is a hands-on, high-impact contract role where you’ll play a key part in keeping complex network environments reliable, scalable, and performant.

You’ll take ownership of major incidents, troubleshoot deep technical issues, and drive automation and observability across a multi-vendor estate.

The role:

• Lead incident management for critical network issues, owning resolution during outages and high-pressure situations
• Troubleshoot complex network problems across routing, switching, firewalling, and wireless environments
• Provide technical leadership, setting direction and mentoring other engineers
• Operate in a 24/7 environment, participating in a shift-based support model
• Work across a multi-vendor estate, including Arista, Cisco, Cumulus, Palo Alto, Check Point, F5, Netscaler, Aruba, Mist, A10, Spectrum Ethernet, and InfiniBand
• Support network security and segmentation, including VPN solutions such as GlobalProtect and AnyConnect
• Drive automation and observability, using modern monitoring, alerting, and configuration tools
• Contribute to innovation projects, including wireless design and AI cluster deployments

Requirements:

• 10+ years ofhands-on experience in network engineering and operations
• Deep expertise in routing, switching, firewalling, and wireless
• Strong understanding of overlay and underlay networking
• Solid experience in Linux/Unix environments
• Proven ability to work independently and take technical ownership

Technical stack & tooling:

Network & Architecture (one required):

• EVPN & Segment Routing
• or significant MPLS expertise

Tools & Platforms:

• NetBox / Nautobot
• Prometheus / VictoriaMetrics
• Salt
• Grafana, Splunk, syslog
• ServiceNow, BigPanda, ITMP
• Ansible

Nice to have

• Experience with InfiniBand and AI cluster deployments
• Wireless design experience (Cisco, Mist, Aruba)
• Strong background in network asset management

Please apply with a copy of your CV and Emma from SR2 will contact potential candidates regarding next steps.

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.

Open Shift Architect Job Description Role Overview

Role / Job Title: OpenShift Architect
Work Location: London / Sheffield
Mode of Working: Hybrid
Office Requirement (if hybrid): 10 days a month

The Role

We are seeking an experienced OpenShift Architecture and Migration Design Specialist to lead the design, planning, and execution of OpenShift architecture and migration strategies.

You need to have expertise in designing robust, scalable, and secure OpenShift environments, as well as creating and implementing migration plans for transitioning workloads and applications to OpenShift. Experience with VMware and Pure Storage is essential to ensure seamless integration with existing infrastructure.

Your Responsibilities 1. Architecture Design

Design the target architecture for OpenShift, including cluster topology, networking, and storage solutions.
Define and implement best practices for OpenShift cluster setup, including multi-zone and multi-region deployments.
Ensure the architecture supports high availability, fault tolerance, and disaster recovery.

2. Migration Design and Optimization

Assess existing infrastructure, applications, and workloads to determine migration readiness.
Develop detailed migration plans, including strategies for containerization, workload transfer, and data migration.
Implement migration processes, ensuring minimal downtime and disruption to business operations.
Identify and mitigate risks associated with the migration process.

3. VMware and Pure Storage Integration Design

Design and implement OpenShift solutions that integrate seamlessly with VMware virtualized environments.
Leverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments.
Configure and manage Pure Storage solutions (e.g., Flash Array, Flash Blade) to provide high-performance, scalable storage for OpenShift workloads.
Ensure compatibility and performance optimization between OpenShift, VMware, and Pure Storage.

4. CI/CD Pipelines and DevOps Workflows

Design and implement CI/CD pipelines tailored for the OpenShift environment.
Integrate DevOps workflows with OpenShift-native tools and third-party solutions.
Automate deployment, scaling, and monitoring processes to streamline application delivery.

5. Scalability and Security

Ensure the architecture and migration plans are scalable to meet future growth and workload demands.
Implement security best practices, including role-based access control (RBAC), network policies, and encryption.
Conduct regular security assessments and audits to maintain compliance with organizational standards.

6. Collaboration and Documentation

Work closely with development, DevOps, and operations teams to align architecture and migration plans with business needs.
Provide detailed documentation of the architecture, migration strategies, workflows, and configurations.
Offer technical guidance and training to teams on OpenShift architecture, migration, and best practices.

Your Profile Essential Skills / Knowledge / Experience

Strong experience in designing and implementing OpenShift architectures and migration strategies.
In-depth knowledge of Kubernetes, containerization, and orchestration.
Expertise in VMware tools and technologies (e.g., vSphere, vCenter, NSX).
Hands-on experience with Pure Storage solutions (e.g., FlashArray, FlashBlade).
Expertise in networking concepts (e.g., ingress, load balancing, DNS) and storage solutions (e.g., persistent volumes, dynamic provisioning).
Hands-on experience with CI/CD tools (e.g., Jenkins, Github, ArgoCD) and DevOps workflows.
Strong understanding of high availability, scalability, and security principles in cloud-native environments.
Proven experience in workload and application migration to OpenShift or similar platforms.
Proficiency in scripting and automation (e.g., Bash, Python, Ansible, Terraform).
Excellent problem-solving and communication skills.

Desirable Skills / Knowledge / Experience / Personal Attributes

OpenShift certifications (e.g., Red Hat Certified Specialist in OpenShift Administration).
Experience with multi-cluster and hybrid cloud OpenShift deployments.
Familiarity with monitoring and logging tools (e.g., oTel, Grafana, Splunk stack).
Knowledge of OpenShift Operators and Helm charts.
Experience with large-scale migration projects.

Cyber Security Consultant / Cyber SME
Hybrid - 90% home / 10% office
Office Base: Southeast London, occasional travel into office.
Contract Duration: 6 months
Day Rate: 400- 450 Inside IR35

ACTIVE ENHANCED SECURITY CLEARANCE (eSC) REQUIRED
Role Overview
We are seeking an experienced Cyber Security Consultant / Cyber SME to provide specialist expertise across a range of security technologies and cloud environments. The successful candidate will support ongoing cyber initiatives, advise on best practices, and contribute to the deployment and optimisation of cyber security solutions across AWS and Azure.

Key Responsibilities

• Provide subject matter expertise across core cyber security technologies and cloud platforms.
• Support and enhance vulnerability management capabilities across Azure and AWS.
• Contribute to the deployment, configuration, and improvement of key security tooling.
• Advise stakeholders on cyber risks, mitigation strategies, and best practices.
• Work collaboratively across technical and non-technical teams to drive cyber security improvements.
• Offer expertise in IAM and PKI where required.

Essential Experience & Skills

• Strong working knowledge of cyber security technologies, including:

  Splunk, Elastic, Microsoft Defender suite, O365 Security, Azure and AWS cloud security tooling.

• Proven experience in Vulnerability Management, including deployment across AWS and Azure.

• Familiarity with IAM and PKI principles and implementation.

• Ability to work effectively in a hybrid environment with occasional travel to the London office.

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)

Open Shift Telemetry Job Description Role Overview

Role / Job Title: OpenShift Telemetry

Work Location: London / Sheffield
Mode of Working: Hybrid
Office Requirement (if hybrid): 10 days a month

The Role

We are seeking a skilled OpenShift Telemetry Engineer to join our team.

Your Responsibilities

In this role, you will be:

Primarily responsible for implementing, managing, and optimizing the observability stack within a Red Hat OpenShift Container Platform environment to ensure system health, performance, and security.

Bridge the gap between application monitoring and infrastructure, leveraging different tools like tools.

Your Profile Essential Skills / Knowledge / Experience

Design, implement, and maintain data pipelines to ingest and process OpenShift telemetry (metrics, logs, traces) at scale.
Stream OpenShift telemetry via Kafka (producers, topics, schemas) and build resilient consumer services for transformation and enrichment.
Engineer data models and routing for multi-tenant observability; ensure lineage, quality, and SLAs across the stream layer.
Integrate processed telemetry into Splunk for visualization, dashboards, alerting, and analytics to achieve Observability Level 4 (proactive insights).
Implement schema management (Avro/Protobuf), governance, and versioning for telemetry events.
Build automated validation, replay, and backfill mechanisms for data reliability and recovery.
Instrument services with Open Telemetry; standardize tracing, metrics, and structured logging across platforms.
Use LLMs to enhance observability capabilities (e.g., query assistance, anomaly summarization, runbook generation).
Collaborate with platform, SRE, and application teams to integrate telemetry, alerts, and SLOs.
Ensure security, compliance, and best practices for data pipelines and observability platforms.
Document data flows, schemas, dashboards, and operational runbooks.

Desirable Skills / Knowledge / Experience / Personal Attributes

Hands-on experience building streaming data pipelines with Kafka (producers/consumers, schema registry, Kafka Connect/KSQL/Stream).
Proficiency with OpenShift/Kubernetes telemetry (Open Telemetry, Prometheus) and CLI tooling.
Experience integrating telemetry into Splunk (HEC, UF, source types, CIM), building dashboards and alerting.
Strong data engineering skills in Python (or similar) for ETL/ELT, enrichment, and validation.
Knowledge of event schemas (Avro/Protobuf/JSON), contracts, and backward/forward compatibility.
Familiarity with observability standards and practices; ability to drive toward Level 4 maturity (proactive monitoring, automated insights).
Understanding of hybrid cloud and multi-cluster telemetry patterns.
Security and compliance for data pipelines: secret management, RBAC, encryption in transit/at rest.
Good problem-solving skills and ability to work in a collaborative team environment.
Strong communication and documentation skills.

11 Months
Stratford - 4 days onsite / 1 remote
548 per day (Inside IR35)

Overview
The Mobile App Engineering department within Connected Vehicle Software brings together people, skills, tools, and methods to create world-class software products. The team develops applications for retail customers and commercial fleet managers, focusing on actionable insights, reduced fleet downtime, and improved operational efficiency.

You will join the company’s Pro Telematics Drive App team as a Senior Platform Software Engineer, acting as a technical lead and championing software craftsmanship.

Key Responsibilities
Technical Leadership

• Translate business needs into technical solutions aligned with architectural standards
• Own the technical backlog and manage technical debt
• Ensure code supports evolving requirements

Delivery & Operations

• Maintain CI/CD pipelines
• Ensure consistent releases
• Remove delivery blockers

Mentorship

• Mentor up to 6 engineers

Collaboration

• Work with backend and frontend teams
• Ensure UX alignment with platform conventions

Community

• Share best practices
• Define coding standards
• Identify cross-product opportunities

Essential Skills & Experience

• Java/Kotlin with Spring and Spring Boot
• Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager)
• Observability tools (Grafana, Splunk)
• REST API design
• TDD, pair programming, mobbing
• Strong communication and mentoring
• Git

Preferred Experience

• DevOps / CI/CD
• Load & performance testing
• Mobile integration experience
• Senior engineering background
• Inclusive, proactive, flexible mindset

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.

Role: Senior Java Developer

Duration: 12 Months

Location: Welwyn Garden City (2 to 3 days in office)

Rate: 700 inside umbrella

As a Senior Java Developer, you will be a vital contributor to our projects, providing technical leadership and driving key features from conception to delivery. Here’s what you can expect:

• Develop High-Quality Software: Utilize your Java expertise (Spring Boot or other frameworks) to create efficient and scalable solutions.
• Embrace Cloud Technologies: Work with Microsoft Azure and Terraform, with an eagerness to learn new tools and technologies.
• Implement CI/CD Best Practices: Advocate for seamless software delivery through continuous integration and deployment.
• Create and Maintain Documentation: Support development processes and system design with clear, comprehensive documentation.
• Make Data-Driven Decisions: Balance short-term and long-term goals, making informed trade-offs to deliver impactful results.
• Uphold Architectural Standards: Apply security-first thinking and utilize tools like Snyk and Apiiro for robust, secure coding practices.
• Take Ownership: Drive reliability, maintainability, and performance in the systems you work on.
• Mentor and Collaborate: Foster a culture of growth by mentoring fellow engineers and encouraging teamwork.
• Automate Workflows: Build tools and scripts to enhance efficiency and streamline processes.

What We’re Looking For:

To succeed in this role, you should have:

• Solid experience in delivering Java or other JVM languages; familiarity with JavaScript/TypeScript.
• Experience with cloud platforms (Azure, AWS) and infrastructure automation (Terraform).
• A good understanding of SQL (PostgreSQL) and NoSQL databases (e.g., Cosmos DB).
• Familiarity with monitoring and alerting tools (e.g., Splunk, New Relic).
• Experience working with Agile methodologies (Scrum/Kanban).
• Strong English communication skills.
• Proven experience in system design and project ownership.
• A proactive attitude and a passion for driving technical excellence.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention.

540.00 per day Umbrella
UK - Predominantly remote some travel to London / Manchester
Initially till end of March (likely contract extension)
SC Clearance Required

Our client is currently looking for an experienced Platform Engineer with a strong focus on AWS security architecture and governance. This role will ensure our cloud platforms are secure, compliant, and resilient by implementing best-in-class security practices across AWS environments. Leveraging your expertise in cloud technologies and best practices, you will work closely with tenants to architect, implement, and optimise solutions. You will collaborate with cross-functional teams to drive innovation and deliver exceptional value to our customers.

Responsibilities:

Cloud Security Tooling and Integration:

• Design and implement security controls across AWS accounts and services.
• Implement AWS security services such as GuardDuty, Security Hub, Macie, and KMS.
• Configure and manage AWS Identity and Access Management (IAM), including roles, policies, and least-privilege principles.
• Experience in protective and runtime vulnerability monitoring tooling such as Splunk, Tenable Nessus and Dynatrace AppSec respectively.
• Conduct vulnerability scanning and remediation using tools like AWS Inspector, Snyk, or Trivy.

Governance & Compliance:

• Establish and maintain security baselines aligned with organizational and regulatory standards (ISO, NIST, CIS).
• Integrate security guardrails using AWS Control Tower and Landing Zone Accelerator.
• Conduct regular security posture assessments and audits.
• Automation & Infrastructure as Code: -
• Automate security configurations using Terraform, AWS CDK, or CloudFormation.
• Embed security checks into GitHub CI/CD pipelines for continuous compliance.
• Develop automated remediation workflows for security findings.

Monitoring & Incident Response:

• Implement monitoring and alerting for security events using AWS native tools and SIEM integrations.
• Support incident response and root cause analysis for security breaches or vulnerabilities.
• Maintain documentation and runbooks for security operations.
• Collaboration & Enablement: -
• Work closely with platform and application teams to embed security best practices.
• Provide training and guidance on AWS security principles.
• Act as a subject matter expert for cloud security within the organization.

Skills / Experience:

• Security Services and Architecture: Strong hands-on experience with AWS security services (IAM, KMS, GuardDuty, Security Hub, Macie).
• Cloud Security frameworks and standards: Knowledge of governance frameworks and compliance standards (ISO 27001, NIST, CIS benchmarks).
• Platform Engineering: Proficiency in designing and implementing scalable, resilient, and secure platforms using public cloud (AWS, GCP).
• Automation: Experience with infrastructure-as-code (IaC) practices, automation tools (e.g., Terraform, Ansible) and scripting languages (e.g. Python, Ruby).
• DevSecOps Practices: Strong experience with CI/CD security integrations and DevSecOps Practices.
• Network Security: Solid understanding of network security in AWS (VPC, security groups, NACLs).
• Knowledge of continuous integration and deployment practices
• Knowledge of Infrastructure as Code
• Knowledge of deploying, managing, and configuring Kubernetes clusters in a Public Cloud environment
• Ability to collaborate with people of all levels of technical ability
• Understanding of industry best practices
• Team player / Pro active

Qualifications

Certification in relevant cloud technologies (AWS, Azure, GCP) at an associate level is highly desirable, e.g.:

• AWS Certified: Solutions Architect Associate
• AWS Certified: Solutions Architect Professional