Senior Infrastructure Engineer
Introduction
Join a high-performing digital engineering team delivering secure, cutting-edge technology into some of the UK’s most sensitive environments. This role plays a key part in designing, maintaining and evolving complex infrastructure that underpins critical operations.
Role Overview:
* Location: Farnborough
* Package: Competitive salary + bonus + strong benefits
* Industry: Defence & National Security / Secure Technology
What You’ll Be Doing:
* Managing and enhancing secure, multi-environment infrastructure across virtualised and cloud platforms
* Supporting and optimising collaboration and development environments across varying security classifications
* Delivering infrastructure support across public, private and hybrid cloud environments, including SaaS platforms like Microsoft 365
* Carrying out maintenance, upgrades and changes through structured change control processes
* Monitoring systems, triaging alerts and resolving incidents to maintain service availability
* Driving improvements in system performance, stability and security through proactive analysis
* Ensuring patching and security controls align with best practice and internal policies
* Contributing to Secure-by-Design principles across projects and internal systems
* Collaborating with teams and stakeholders to provide technical guidance and infrastructure expertise
* Creating and sharing knowledge to support continuous improvement across the wider team
* Supporting business growth by contributing technical insight into new opportunities
Main Skills Needed:
* Strong experience with Windows Server (2016+) and Linux environments (CentOS, RedHat, Ubuntu)
* Solid understanding of cloud platforms, particularly Azure and Microsoft 365
* Virtualisation expertise, including VMware environments
* Experience with containerisation and orchestration tools such as OpenShift (Kubernetes desirable)
* Good knowledge of networking fundamentals and secure infrastructure design
* Automation and scripting skills (PowerShell, Ansible)
* Familiarity with endpoint provisioning, patching and hardening (e.g. Autopilot)
* Understanding of SSO and identity management concepts
* Experience working within secure or highly regulated environments
* Strong troubleshooting, incident management and problem-solving capabilities
* Collaborative mindset with the ability to communicate effectively across teams
Nice to have:
* Kubernetes platforms (e.g. TKGI), Terraform, Vault
* DevSecOps tooling, Elastic, Nessus
* Agile delivery experience
What’s in It for You:
* Work on genuinely impactful projects within defence and national security
* Join a team of highly experienced engineers, architects and industry leaders
* Clear focus on professional development, certifications and career progression
* Hybrid working and a culture built on trust, collaboration and innovation
* Private medical insurance, life assurance and pension scheme
* 25 days holiday plus bank holidays
* Additional perks including cycle to work and employee discount schemes
* Performance-related bonus opportunities
We’re easy to talk to. Start the conversation.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.