DevOps Infrastructure IT Engineer Defence Sector
Location: Bristol - Hybrid 3 days a week on site
Employment: Permanent
Clearance: SC required (or eligible) — British Citizens only
Start: ASAP (subject to vetting)
About the Role
We’re seeking a hands-on, pragmatic DevOps Infrastructure IT Engineer to design, build, deliver, and support secure on-premises infrastructure across both internal systems and client environments.
This role is ideal for someone who thrives in highly secure, defence-aligned, fully on‑site engineering environments, working across the full stack—from Windows and Linux to firewalls, networking, virtualisation, and cyber security.
You will act as both a practitioner and a technical lead, collaborating with project delivery teams to ensure infrastructure is robust, compliant, and delivered with precision.
Important: This role is not cloud-focused. Candidates must demonstrate strong on‑prem engineering capability, Linux and Windows proficiency, and practical, step-by-step operational thinking.
Key Responsibilities
Infrastructure Delivery & Operations
Deliver full lifecycle on‑prem infrastructure solutions: design - deploy - configure - document - support.
Hands‑on ownership of:
* Windows Server, AD, Group Policy, DNS/DHCP
* Linux (Ubuntu / RHEL variants) – patching, updates, troubleshooting, CLI-based operations
* VMware or Hyper‑V virtualisation
* Firewalls: Cisco ASA, Fortinet, Palo Alto (or equivalent)
* Networking: VLANs, subnets, routing, site‑to‑site VPNs, LAN/WAN
* Perform system hardening, health checks, and security uplift aligned with defence standards.
* Maintain and improve documentation, build standards, runbooks, and technical processes.
Technical Requirements
Essential:
* Strong experience with both Linux and Windows Server environments.
* Expert knowledge of Active Directory, Group Policy, DNS, DHCP.
* VMware or Hyper‑V virtualisation.
* Network configuration: VPNs, VLANs, routing, segmentation.
* Firewall configuration and secure boundary design.
* Patch management, vulnerability remediation, secure system build.
* Experience working in air‑gapped or secure on‑prem environments.
* Understanding of Cyber Essentials, Defence, or MoD security frameworks.
Desirable (not mandatory):
* Microsoft certifications (MCSA, MS-102, AZ-104)
* VCP (VMware Certified Professional)
* CompTIA Security+ or equivalent
* PRINCE2 or ITIL Foundation
Soft Skills & Fit
We’re looking for someone who:
* Is a confident, capable on‑site engineer with strong customer presence.
* Loves hands-on problem solving in real infrastructure — not just high‑level architecture.
* Communicates clearly with clients and colleagues.
* Is adaptable across industries (defence, engineering, manufacturing).
* Performs well under pressure and delivers against deadlines.
* Is happy to \"turn their hand to anything\" across infrastructure delivery.
Security & Eligibility
To meet MoD and client site requirements:
* British Citizenship is mandatory.
* Must have 5 years’ continuous, checkable UK residency.
* SC clearance required (or willingness/eligibility to undergo it).
Why This Role Will Suit You
This position is perfect if you enjoy:
* Working end-to-end on infrastructure—not just monitoring, not just cloud.
* Being hands-on with Linux and Windows admin every day.
* Building and supporting secure systems used by defence-aligned customers.
* Being part of a collaborative, on-site engineering culture.
How to Apply
If you’re a practical, detail-oriented engineer who thrives in hands‑on, secure on‑prem environments — we’d love to hear from you.
Apply Now or DM for a confidential chat