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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Platform Engineer (United Kingdom) - **Company:** Second Front Systems - **Location:** London, UK (Remote available) - **Experience:** Expert - **Salary:** £100,000.0 - £115,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Systems Engineering, Microsoft Azure, Cloud Computing Security, Cloud Engineering, Code Generation, Software Debugging, Javaserver Pages, Systems Development Life Cycle, Security Information and Event Management, Systems Integration, Pulumi, Cloud Platform System, Gitlab, Event Driven Architecture, Kubernetes, Slack, Gsuite, Restful APIs, Devsecops, Docker, Golang, Microservices - **Published:** August 14, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5834881747 ## About the Role * 5-7+ years of relevant experience in DevSecOps, systems engineering, or infrastructure software development. * Architect-level expertise designing and operating cloud-native platforms using AWS, Azure, or GCP. * Deep experience with Kubernetes, Docker, and cloud-native application orchestration. * Strong proficiency in Golang or similar languages (e.g. Rust), particularly with infrastructure as code (Pulumi preferred). * Familiarity with UK and international compliance frameworks such as MOD Secure by Design, JSP 453, NCSC Cloud Security Principles, NIST 800-53. * Proven experience deploying systems in air-gapped or classified environments. * Experience building and maintaining secure CI/CD pipelines and integrating security throughout the SDLC. * Hands-on experience implementing or managing SIEM, monitoring, and alerting systems. * Understanding of REST APIs, authentication flows, event-driven architecture, and microservice patterns. * Excellent written and verbal communication skills, with strong documentation habits. * Comfortable working independently and in distributed teams, managing competing priorities across complex projects. * Proficient in using AI tools (such as Claude and Gemini) to accelerate and enhance day-to-day work, from code generation, debugging, and documentation to research and problem-solving - with sound judgement about where AI adds value and where human oversight is required. * Certified AWS, Google or Azure Solutions Architect. * Prior experience working within UK defence, national security, or regulated government environments. * Experience working in early-stage or high-growth start-up environments. * Familiarity with UK accreditation and risk-management processes and environments (e.g., MOD Secure by Design). * Familiarity with GitLab, Google Workspace, and Slack. * A genuine interest in national security and mission-driven innovation., Applicants have the right to work in the United Kingdom. Due to the DV clearance requirement, candidates must be UK nationals or hold qualifying dual nationality and must have resided primarily in the UK for the period required by UKSV vetting guidelines. Sponsorship for this role is not available. ## Description * Architect and implement scalable, secure cloud infrastructure using Kubernetes and Pulumi (Go-based), ensuring compliance with UK government and Ministry of Defence security requirements. * Support the security and operations of Game Warden across air-gapped and classified environments, working directly with government partners and security teams. * Build and manage CI/CD pipelines that integrate DevSecOps best practices from development through to deployment. * Integrate and maintain SIEM and security tooling, ensuring observability and compliance across all deployed systems. * Design, develop, and debug microservices in Go (Golang), with a focus on performance, security, and modularity. * Work cross-functionally to assess infrastructure needs, prioritise development, and deliver on product roadmap milestones in a fast-paced Agile environment. * Document your work thoroughly - from infrastructure to internal procedures - to ensure secure, repeatable, and auditable deployments. * Collaborate directly with UK defence and government stakeholders to provision secure cloud resources and meet deployment and accreditation criteria in classified settings. * Contribute to R&D and experimentation needed to advance platform capabilities in secure and disconnected environments. * Act as a senior technical resource, helping to shape 2F's UK DevSecOps strategy and infrastructure standards. ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Stack Overflow: Community and AI](https://www.wearedevelopers.com/videos/600-stack-overflow-community-and-ai) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Hosting a modern justice system](https://www.wearedevelopers.com/videos/332-hosting-a-modern-justice-system) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)