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We’re building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience.
At Rowden, we design and integrate advanced systems that sense, connect, and protect data in challenging environments where quick decisions are vital. Our solutions use intelligent automation to enhance speed and efficiency and are built to be reliable and straightforward for critical operations in remote or high-pressure settings.
Department: Operations
Location: Bristol, UK
Compensation: £55,000 - £75,000 / year
About the role
Senior IT Infrastructure Engineer – Rowden’s internal IT and platform infrastructure capability. This critical enabling role will allow Rowden to scale its operations during a period of rapid growth.
Key areas of responsibility
* Infrastructure Operations & Maintenance: Manage and optimise hybrid infrastructure spanning AWS, Azure, and on‑prem environments, ensuring secure, consistent, and scalable deployments.
* Linux & Virtualisation: Support Linux‑based environments, virtual machines, and containerised workloads.
* Infrastructure as Code (IaC): Develop and maintain reusable configuration templates. Promote consistency and repeatability across environments by automating provisioning, updates, and scaling of systems.
* Physical Infrastructure & Networking: Maintain core business infrastructure, including racks, switches, servers, and storage.
* Collaboration & Process Improvement: Act as the link between IT and Platform Engineering, standardising infrastructure management and operational practices.
* Support & Incident Response: Serve as an escalation point for infrastructure‑related requests, guiding and mentoring IT Support colleagues.
* Tooling & Enterprise Platforms: Help to administer M365, Atlassian, GitHub, and other enterprise systems.
* Governance and Compliance: Ensure systems are fully documented, risk assessed, and all relevant assurance testing is completed correctly.
Key skills, experience and behaviours
Essential:
* Experience managing AWS and Azure services and deployments
* Strong knowledge of Linux systems and virtualisation (VMware, Hyper‑V, or similar)
* Familiarity with containerisation tools (e.g. Docker, Podman, Kubernetes)
* Exposure to Infrastructure as Code (Terraform, Ansible)
* Good understanding of networking, routing, and switching fundamentals
* Proven experience in systems and infrastructure administration
* Practical scripting or automation skills (PowerShell, Bash, or Python)
* Excellent troubleshooting and documentation skills
Desirable:
* Experience administering enterprise systems (M365, Atlassian, GitHub etc.)
* Knowledge of identity and access management (AD, Entra, SSO, SCIM)
* Exposure to automation platforms and experience implementing integrations between systems
* Understanding of information security and compliance (ISO27001, Cyber Essentials+)
* A quick learner who uses their initiative to find new ways to solve problems and understand new technologies
About You
You’re a senior engineer who enjoys being hands‑on while also thinking strategically about how systems fit together. You take ownership of your work, care deeply about reliability and user experience, and are motivated by the opportunity to strengthen the backbone of a growing technology company. You’re collaborative, adaptable, and thrive in environments where pragmatism, curiosity, and initiative are valued.
Working at Rowden
Rowden is committed to building a flexible, inclusive, and enabling company. We aim to create a diverse team of talented people with unique skills, experience, and backgrounds. We recognise the importance of flexible working and support this wherever we can, typically operating a flexible, hybrid‑working model with an average of 3 days in the office each week (dependent on the role). We welcome the opportunity to discuss flexibility, part‑time working requirements and/or workplace adjustments with all our applicants. Rowden is a Disability Confident Committed company, and we actively encourage people with disabilities and health conditions to apply for our roles. If you feel that you don’t meet all the criteria but have transferable skills and relevant experience, we’d still love to hear from you!
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