Senior Site Reliability Engineer (IT) / Freelance

LA International Computer Consultants Ltd; Wokingham; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading IT consultancy in the UK is seeking a Senior Site Reliability Engineer for an initial three-month contract with potential extension. The role requires being onsite in Wokingham twice a week. Responsibilities include collaborating with Agile teams on deployment and infrastructure management, ensuring reliability, and implementing cloud-native observability stacks. The ideal candidate should possess deep expertise in OpenShift and Kubernetes. Security clearance is required before appointment.

Qualifications

• Strong communication skills (written and verbal).
• Experience in remote team collaboration.
• Deep expertise in OpenShift / Kubernetes and RedHat Linux.
• Proficiency in scripting (Bash, Python) and templating (Helm, Kustomize).
• Experience with CI / CD automation and IaC strategies.
• Security-first mindset with experience in regulated environments.
• Experience with VMware vSphere virtualization.

Responsibilities

• Collaborate with Agile teams to automate deployment and monitoring.
• Ensure platform reliability and performance against SLAs and KPIs.
• Implement and maintain cloud-native observability stacks.
• Develop and maintain Infrastructure as Code (IaC) using Kustomize or Helm.
• Manage CI/CD pipelines using Tekton and ArgoCD.
• Support and troubleshoot OpenShift Operators.
• Conduct security reviews and implement controls.

Skills

Strong communication skills

Remote team collaboration

OpenShift / Kubernetes expertise

RedHat Linux proficiency

Scripting (Bash, Python)

CI / CD automation experience

Security-first mindset

VMware vSphere virtualization

Job description

Our client is looking for a Senior Site Reliability Engineer to join their team on an initial three‑month contract with good scope for extension. They require candidates to be able to go to site in Wokingham twice a week and rest remote. This role is Inside IR35 and requires active SC clearance.

Role Description

Collaborate with Agile teams to automate deployment, monitoring, and infrastructure management. Ensure platform and business application reliability and performance against strict SLAs and KPIs. Implement and maintain cloud‑native observability stacks (Prometheus, Grafana, Loki, Tempo). Develop and maintain Infrastructure as Code (IaC) using tools like Kustomize or Helm. Manage CI / CD pipelines using Tekton and ArgoCD. Support and troubleshoot OpenShift Operators (ServiceMesh, ODF, ACS, ACM, AMQ). Conduct security reviews and implement controls aligned with national infrastructure standards. Mentor junior engineers and promote SRE best practices. Collaborate with vendors and IT teams for incident resolution and platform improvements.

Qualifications

• Strong communication skills (written and verbal).
• Experience in remote team collaboration.
• Deep expertise in OpenShift / Kubernetes and RedHat Linux.
• Proficiency in scripting (Bash, Python) and templating (Helm, Kustomize).
• Experience with CI / CD automation and IaC strategies.
• Security‑first mindset with experience in regulated environments.
• Experience with VMware vSphere virtualization?

Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 10 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non‑clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds.