SRE/ DevOps Engineer - SC Cleared

Cubestech Ltd; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Cubestech Ltd seeks an experienced SRE/DevOps Engineer with active security clearance to design, automate, scale, and safeguard cloud-native platforms in London. The role emphasizes CI/CD, incident response, and reliability engineering to balance speed with uptime.

You will lead CI/CD pipelines (Azure DevOps / GitHub Actions / Jenkins), implement IaC (Terraform, ARM/Bicep), and manage AKS, monitoring, and on-call RCAs. Collaboration across teams is essential.

Qualifications

• 8+ years of experience in SRE/DevOps roles.
• Active SC Clearance required.
• Experience with Azure cloud and AKS.
• Strong collaboration and communication skills.

Responsibilities

• Design, provision, and maintain Azure infrastructure (AKS, VNets, Key Vault, Storage).
• Develop and manage automated build/release pipelines.
• Write and maintain IaC with Terraform / ARM / Bicep.
• Define SLIs/SLOs and manage error budgets.
• Participate in on-call rotations and perform RCA/postmortems.
• Enhance observability with logging and metrics dashboards.
• Manage containers and Kubernetes operations (AKS, Helm, ingress).

Skills

Cloud infrastructure design

CI/CD tooling

SRE/DevOps mindset

Incident response & RCA

Observability & monitoring

Kubernetes management

Education

B.E/BTech

Tools

Terraform

Azure DevOps

GitHub Actions

Jenkins

ARM/Bicep

Job description

We are seeking an experienced SRE/DevOps Engineer holding active HMRC / Security Clearance to build, automate, scale, and safeguard mission-critical cloud-native platforms, balancing feature delivery speed with strict reliability and uptime goals. This role leans heavily into code-driven automation, incident response, SLIs/SLOs, and error budgets, with emphasis on CI/CD pipelines, release management, and cross-team collaboration.

Key Responsibilities:

• Cloud Infrastructure Management: Design, provision, and maintain Azure infrastructure (AKS, Azure Virtual Networks, Key Vault, Storage, and Load Balancers).
• CI/CD & Deployment: Build and manage automated build/release pipelines using Azure DevOps, GitHub Actions, or Jenkins.
• Infrastructure as Code (IaC): Write and maintain declarative infrastructure using Terraform, ARM templates, or Bicep.
• Reliability & Incident Response: Define Service Level Indicators (SLIs), Service Level Objectives (SLOs), and error budgets. Participate in on-call rotations and perform Root Cause Analysis (RCA) / postmortems.
• Observability & Monitoring: Implement telemetry, logging, and metrics dashboards using Azure Monitor, Application Insights, Prometheus, Grafana, or Datadog.
• Container & Kubernetes Operations: Manage Azure Kubernetes Service (AKS), Docker, Helm charts, and ingress/service mesh controllers.

Preferred Qualifications:

• B.E/BTech
• Work Experience: Minimum experience of 8+ years
• Active SC Clearance: Must have Security Clearance.
• Strong relationship-building skills.
• Excellent negotiation and persuasion skills.
• High attention to detail and organizational skills.
• Strong time management and multitasking abilities.