DevOps Engineer

Harnham; Greater London; On-site; GBP 72,000 - 120,000; Full time

Benefits offered by this job

Salary up to £120,000

Bonus up to 50%

Job summary

Harnham is seeking a DevOps Engineer to drive on‑premise infrastructure and AI‑focused platforms. You will design, build, and support scalable infrastructure with emphasis on Kubernetes, CI/CD pipelines, and automation across Linux environments.

You will implement Infrastructure as Code using Puppet or Terraform, craft automation with Bash/Python/PowerShell, and collaborate with cross‑functional teams to deliver robust, high‑performance solutions in a regulated financial services context.

Qualifications

• Proven DevOps, Platform or SRE experience in complex environments.

Responsibilities

• Design, build and support on-premise infrastructure and deployment platforms.
• Build and support Kubernetes platforms and containerised workloads.
• Develop and maintain CI/CD pipelines using Jenkins and GitHub Actions.
• Automate infrastructure with Puppet or Terraform.
• Manage Linux environments including security, patching and performance.
• Create automation with Bash, Python or PowerShell.
• Support software delivery, release management and source control processes.
• Collaborate with infrastructure, platform engineering and business teams to deliver scalable solutions.
• Contribute to AI and high-performance infra initiatives.

Skills

DevOps experience

Platform Engineering

Site Reliability Engineering

Communication skills

Financial Services experience

Tools

Kubernetes

Jenkins

GitHub Actions

Puppet

Terraform

Bash

Python

PowerShell

Git

Job description

This is an opportunity for a DevOps Engineer to work at the intersection of infrastructure engineering and AI technology within a high-performance environment. You will play a key role in building and scaling modern infrastructure platforms, with a particular focus on Kubernetes and on-premise environments that support business-critical workloads.

THE COMPANY

They are a globally operating investment and technology-driven organisation with a strong engineering culture. Their teams work closely with technical and business stakeholders to deliver robust, scalable infrastructure across a complex environment.

This role offers exposure to cutting-edge AI infrastructure initiatives while remaining firmly rooted in infrastructure and platform engineering. You will join a collaborative team that values technical excellence, automation, and continuous improvement.

THE ROLE

As a DevOps Engineer you will be responsible for designing, building, and supporting infrastructure and deployment platforms across predominantly on-premise environments.

Specifically, you can expect to be involved in the following:

• Building and supporting Kubernetes platforms and containerised workloads
• Developing and maintaining CI/CD pipelines using Jenkins and GitHub Actions
• Automating infrastructure through Infrastructure as Code using Puppet or Terraform
• Managing Linux environments, including security, patching, performance, and systems administration
• Creating automation solutions using Bash, Python, or PowerShell
• Supporting software delivery, release management, and source control processes
• Working closely with infrastructure, platform engineering, and business teams to deliver scalable solutions
• Contributing to projects involving AI and high-performance infrastructure environments

SKILLS AND EXPERIENCE

The successful DevOps Engineer will have the following skills and experience:

• Strong commercial experience within DevOps, Platform Engineering, Infrastructure Engineering, or Site Reliability Engineering
• Proven experience working within on-premise infrastructure environments
• Strong Linux administration and troubleshooting skills
• Experience with Infrastructure as Code tools such as Puppet or Terraform
• CI/CD experience using Jenkins, GitHub Actions, or similar technologies
• Scripting experience with Bash, Python, or PowerShell
• Experience using Git-based source control tools
• Strong communication skills and the ability to work with both technical and non-technical stakeholders
• Experience working within Financial Services, Trading Technology or other regulated environments

BENEFITS

The successful Dev Ops Engineer will receive the following benefits:

• Salary up to £120,000 - depending on experience
• Up to 50% bonus