Secure Platform Engineer: CI/CD, IaC & Automation

SiXworks; Farnborough; On-site; GBP 65,000 - 95,000; Full time

Benefits offered by this job

Private Medical cover

Life Assurance

Generous pension

Gym on-site

Cafe & restaurant on site

25 days annual leave

Job summary

SiXworks in the United Kingdom is seeking a Platform Engineer to design, build and deliver secure digital solutions for Defence and National Security missions. You will work with engineering, architecture and delivery teams to enable fast, safe decision‑making in highly secure environments.

You’ll focus on Platform Engineering & Automation, Architecture & Delivery, and Security & Compliance, delivering CI/CD pipelines, IaC tooling (Terraform, Ansible), containers (Docker/Kubernetes)

Qualifications

• Experience delivering secure, automated platforms for complex environments.
• Strong knowledge of CI/CD and Infrastructure‑as‑Code practices.

Responsibilities

• Design, build and deliver secure digital solutions in highly secure environments.
• Design, build and improve CI/CD pipelines for secure, scalable delivery.
• Produce high‑quality documentation, diagrams and design artefacts.
• Mentor junior engineers and collaborate with development, QA, and operations teams.
• Create proofs‑of‑concepts for new technologies and guide them to production readiness.

Skills

DevOps mindset

Security minded

Documentation

Tools

Terraform

Ansible

Docker

Kubernetes

GitLab CI/CD

Jenkins

GitHub Actions

Confluence

SharePoint

Bash

Python

PowerShell

Job description

SiXworks in the United Kingdom is seeking a Platform Engineer to design, build and deliver secure digital solutions for Defence and National Security missions. You will work with engineering, architecture and delivery teams to enable fast, safe decision‑making in highly secure environments.

You’ll focus on Platform Engineering & Automation, Architecture & Delivery, and Security & Compliance, delivering CI/CD pipelines, IaC tooling (Terraform, Ansible), containers (Docker/Kubernetes)