Senior/Principal DevOps Engineer

Gemba Advantage; City Of London; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Flexible pensions

Private Medical Insurance

Job summary

Gemba Advantage in London (Hybrid) seeks a Senior/Principal DevOps Engineer to design and run secure, cloud-native platforms for critical public-sector clients. You will drive automation, CI/CD pipelines, and infrastructure-as-code, while improving engineering practices and solving challenging problems alongside our customers.

Requirements include active SC or DV clearance, strong cloud experience (AWS), IaC tools (Terraform, CloudFormation, CDK), Kubernetes and Docker, Git-based workflows, and

Qualifications

• Active, or recently active, SC or DV clearance (essential)
• Strong experience with cloud platforms (Like AWS) and production environments
• Deep hands-on experience with IaC tools (Terraform, CloudFormation, CDK) and Kubernetes/Docker
• Confidence designing and operating secure CI/CD pipelines, using Git and modern DevOps practices
• Practical experience with databases, APIs, programming/scripting languages, and a range of operating systems

Responsibilities

• Design and deliver robust automation, platforms, and CI/CD pipelines for complex systems
• Use Infrastructure as Code and cloud-native tooling to create secure, scalable environments
• Lead technical reviews, guide engineering decisions, and support fault fixing and maintenance
• Mentor engineers, improve ways of working, and champion continuous improvement and security

Skills

Cloud platforms experience

CI/CD pipelines design

Mentoring engineers

Security best practices

Scripting/Programming

Tools

Terraform

CloudFormation

CDK

Kubernetes

Docker

Git

Elasticsearch

Job description

Senior/Principal DevOps Engineer

Application Deadline: 30 October 2026

Department: Platform Engineering

Employment Type: Permanent

Location: London (Hybrid)

Compensation: GBP 70,000 - GBP 100,000 / year

Please note: This role requires applicants to hold active, or recently active DV clearance.

This role also requires applicants to be willing to work on-site up to 4 days per week.

At Gemba Advantage, we design and run secure, cloud-native platforms for critical public-sector organisations across the UK. Our teams build and automate the infrastructure and pipelines that high-impact systems depend on.

We're looking for experienced DevOps Engineers who want to shape modern delivery, lead technical decisions, and work with people who care about doing things properly. You'll help design and evolve cloud environments, improve engineering practices, and solve challenging problems alongside our customers.

The Role

• Design and deliver robust automation, platforms, and CI/CD pipelines for complex systems
• Use Infrastructure as Code and cloud-native tooling to create secure, scalable environments
• Lead technical reviews, guide engineering decisions, and support fault fixing and maintenance
• Mentor engineers, improve ways of working, and champion continuous improvement and security

What you'll bring

• Active, or recently active, SC or DV clearance (essential)
• Strong experience with cloud platforms (Like AWS) and production environments
• Deep hands-on experience with IaC tools (Terraform, CloudFormation, CDK) and Kubernetes/Docker
• Confidence designing and operating secure CI/CD pipelines, using Git and modern DevOps practices
• Practical experience with databases, APIs, programming/scripting languages, and a range of operating systems

Tech we commonly use

• Terraform - CloudFormation - CDK
• AWS - Kubernetes - Docker
• Git - CI/CD - GitOps
• Elasticsearch - MongoDB - relational DBs
• Python - Go - Bash

Why join Gemba?

We're guided by four core values that make Gemba a great place to work:

• Our people are our most important asset, and we prioritise their needs.
• We succeed and fail as a team, not as individuals.
• We do the right thing and we do the thing right.
• We keep an unwavering focus on the customer's needs.

Away from our values, Gemba offers an excellent and comprehensive package to our Gembans, including great salaries, meaningful perks, a culture of truly rewarding and celebrating success, amongst many other core benefits like flexible pensions and PMI.

As an Equal Opportunity Employer, we recognise, and studies confirm, that often underrepresented candidates in the workplace are less likely to apply to roles unless they meet all skills and experience of the position.

At Gemba we celebrate diversity and are committed to creating a diverse and inclusive workplace, therefore we make sure that our recruitment and selection processes never discriminate based upon age, race, religion, disability, sex, sexual orientation, gender reassignment, marriage and civil partnership, or pregnancy, and actively welcome applications from all groups.