SC Cleared Senior DevOps Engineer

CompanyMontash

LocationEngland, United Kingdom

Posted At1/7/2026

UK Visa Sponsorship Analytics

Occupation Type

Information technology professionals not elsewhere classified.

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£52,300 (£26.82 per hour)

Occupation rate applies

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Description

Job Title: SC Cleared Senior DevOps Engineer

Rate: Up to £485 a day Inside IR35

Engagement: 12-month Contract

Location: UK Based - Remote working

Security Clearance: SC Cleared is required

Role Overview

We are seeking a Senior DevOps Engineer to join a central computer platform team. This team operates as a true platform function, providing secure, scalable, and well-observed infrastructure consumed by multiple product teams.

The role is hands-on and senior in nature, suited to engineers experienced in operating Kubernetes at scale and building reusable platform capabilities rather than working within a single application team.

Key Responsibilities

Design, deploy, and operate AWS EKS clusters used across the organisation
Manage Kubernetes addons and workloads using GitOps practices with ArgoCD
Develop and maintain Terraform codebases for EKS clusters and supporting AWS resources
Own GitLab CI pipelines responsible for deploying infrastructure as code

Work with internal tenants to provision and support GitLab Runners on EC2

Maintain and evolve Terraform modules that underpin runner provisioning

Build and manage monitoring, dashboards, and alerting using Prometheus and Grafana

Contribute to platform standards, reliability, and operational best practices

Required Skills and Experience

Extensive experience in DevOps, SRE, or platform engineering roles
Proven experience working in a central cloud or platform team environment
Strong AWS experience with a focus on EKS
Hands-on experience with ArgoCD and GitOps deployment models
Strong Terraform experience managing production infrastructure
Experience with GitLab CI and GitLab Runners
Solid monitoring and observability experience using Prometheus and Grafana
Strong troubleshooting and operational mindset
Active SC clearance is required