Infrastructure Engineer – National Security

Role Overview

• Contribute to the design, deployment, support, and improvement of enterprise‑grade infrastructure platforms
• Designing, building, and maintaining secure and resilient infrastructure across Linux, Windows, hardware, and cloud environments
• Deploying and maintaining Linux servers using Kickstart, PXE, cloud‑init, and configuration management tools
• Managing Active Directory services and supporting Windows Server estates
• Implementing and maintaining enterprise hardware solutions including Cisco UCS, HyperFlex, Dell servers, and storage platforms
• Supporting cloud‑based workloads and contributing to cloud architecture design in Azure and AWS
• Creating automation using Terraform, Ansible, CDK, scripts, and pipelines
• Opportunities exist to lead technical workstreams, mentor others, and contribute to infrastructure strategy

Requirements

• Experience across Linux & Middleware
• Strong Linux administration skills (Rocky preferred)
• Experience with deployment methods such as Kickstart, PXE, and cloud‑init for cloud image builds
• General Linux skills including shell scripting and automation
• Server patching, lifecycle management, and performance optimisation
• Security hardening experience (CIS benchmarks, SELinux, OpenSCAP)
• Familiarity with Puppet/Foreman for configuration management and an interest in migrating to Ansible and cloud‑native tooling
• Experience managing Kubernetes platforms and deploying containerised applications
• Knowledge of GitLab, Apache NiFi, HashiCorp Vault, Trend Micro Deep Security Manager, Ivanti device control, and Ansible Tower/AWX
• Experience with Windows Server administration, deployment, and troubleshooting
• Strong understanding of Active Directory services including DNS, DHCP, Certificate Services, and identity management
• Experience using MECM and WDS for build, deployment, and configuration management
• Experience installing, managing, and maintaining enterprise server platforms
• Understanding of Cisco UCS, HyperFlex, and Dell server technologies
• Storage experience including Dell EMC Unity and Dell PowerVault
• Experience working with Azure and/or AWS cloud platforms
• Knowledge of Azure VMs, AVD, storage, VNets, Key Vault, Entra ID/AD, Intune, Defender, RBAC, and Functions
• Understanding of AWS compute, storage, RDS, DynamoDB, VPC, VPN, Direct Connect, IAM, and Organisations
• Experience using IaC tools such as Terraform, Ansible, Azure Automation (PowerShell/Graph), or AWS CDK
• Ability to work with CI/CD pipelines (e.g., GitLab)
• Scripting skills (Bash, PowerShell, Python)

Tech Stack

• Ansible
• Apache
• AWS
• Azure
• Cloud
• DNS
• DynamoDB
• Kubernetes
• Linux
• Puppet
• Python
• Shell Scripting
• Terraform
• Unity
• Vault

Benefits

• Hybrid and flexible working arrangements
• Referral Bonus: £5,000