Software Engineer (DV Cleared) X4

Rubicon Consulting is currently recruiting for X4 Software Engineer (DV Cleared) on a 6 Month Contract, based in London. Role Summary We're recruiting for a specialist security team working on critical national infrastructure projects — high-impact, high-visibility work protecting UK organisations from cyber threats at scale. This role requires DV (Developed Vetting) clearance — either currently held, or you meet the eligibility criteria (typically British citizen, 10 years continuous UK residency). Please only apply if this applies to you. The role You'll join a software-defined, automation-first engineering environment building and running CI/CD platforms with security embedded from day one — not bolted on afterwards. Think fast iteration, Infrastructure-as-Code as the default, and end-to-end ownership from build through to production. What you'll be doing * Owning and delivering platform capabilities across a highly-automated, CI/CD-driven environment * Designing and evolving CI/CD pipelines for reliable, repeatable delivery across multiple teams * Embedding Infrastructure-as-Code, eliminating manual provisioning and config drift * Integrating security controls into engineering workflows — secure by design, not by afterthought * Supporting engineering teams with tooling, guidance and best practice * Driving adoption of modern engineering practices — CI, CD, automated testing, observability * Contributing to technical standards and governance across teams * Supporting incident response and continuous improvement through retrospectives Requirements Not every box needs ticking, but strength across most of the following: * CI/CD platforms — GitLab, Jenkins * Infrastructure-as-Code — Terraform, Ansible, Chef or Puppet * Containerisation — Kubernetes, Helm * Cloud-native platforms — AWS, Azure, GCP or VCF * Release automation — ArgoCD, Flux * Observability — Prometheus, Grafana, ELK * IAM & secrets management — OAuth/OIDC, Keycloak, Vault * Software development — Java, Python, JavaScript, C++ or C# * Solid grounding in security principles — CIA, Least Privilege, Zero Trust * Networking fundamentals — DNS, TCP/UDP, firewalls, VPNs Our Company Rubicon Consulting is a Talent management consultancy which helps you to optimise business performance and competitive advantage by choosing the right people first time