Senior Infrastructure Engineer

Senior Infrastructure Engineer – St Neots (PE19) – Perm – Full-Time on site About the Role: Join our Digital Services Group (DSG) in collaboration with the Electronic Warfare Operations Support Group (EWOS), a diverse team of over 60 professionals. We're building a pioneering team at a cutting-edge test and evaluation facility at our Cambridgeshire HQ. We're seeking a Senior Infrastructure Engineer with at least 5 years of experience to lead the full engineering lifecycle of secure networks — from requirements gathering and system design through to implementation, testing, commissioning, and ongoing support. You will work with unprecedented customer access, cutting-edge technologies, and industry-best practices to shape the IT infrastructure of a revolutionary synthetic test and evaluation system. Key Responsibilities: * Translate business needs from non-technical stakeholders into technical specifications. * Design, implement, and support secure network infrastructures. * Provide 3rd-line support and act as a technical mentor to junior engineers. * Manage the configuration and deployment of Windows Server environments (2022/2025). * Oversee multi-vendor systems (FortiGate, Cisco, Dell) and virtualization platforms. * Ensure projects meet requirements and follow change management protocols. Essential Skills & Experience * Windows Server (2022/2025): AD, Group Policy, WSUS, DHCP, NPS, LDAPS, LAPS, AppLocker, PKI, Smart Cards, File Servers, KMS, WDS/MDT. * OS Support: Windows 10/11 * Network Hardware: FortiGate Firewalls, Cisco Switches * Virtualization: Hyper-V, VMware vSphere * Hardware: Dell SANs (iSCSI, RAID), Dell Servers * Software: Nessus, Ad Audit Plus, SIEM, Wireshark, SQL Server, Jira Service Desk * Other: Linux experience, excellent independent troubleshooting skills, solution design and delivery Desirable Skills Experience or interest in learning the following is advantageous: * GitLab, Ansible * CATAPAN encryption devices * CIS benchmarks * PRTG Network Monitor * Veeam Backup & Replication * Familiarity with Agile/SCRUM methodologies Benefits: * Annual Leave: 25 days (includes up to 3 days for December shut-down) buy/sell up to 5 days * Pension: Choice of two schemes * Healthcare: Private Medical & Dental discounts for family members * Life Assurance: Up to 4x salary * Schemes: Share Save, Electric/Hybrid Car Leasing, Cycle to Work * Discounts: Retail partner discounts * Support: CPD opportunities, Annual Wellness Allowance, Mental health first aiders, Employee Assistance Programme Security Requirements: Due to the sensitive nature of our projects, candidates must be: * A sole UK national * Eligible to obtain and maintain DV (Developed Vetting) security clearance If you’re ready to lead cutting-edge IT infrastructure projects within a secure, collaborative environment, we’d love to hear from you

Location: Little Paxton, Cambridgeshire, GB

Posted Date: 7/8/2025