Infrastructure Technical Lead - DV Cleared

Infrastructure Technical Lead

+ 12 month ongoing assignment

+ Outside IR35

+ £650 to £770 per day

+ Hampshire based

+ Role requires DV Clearance

Role Overview

We are seeking an experienced Infrastructure Technical Lead to support a highly secure military programme. This role sits at the sharp end of defence IT, leading infrastructure design, implementation, and ongoing technical assurance across mission-critical systems.

You will be the technical authority for infrastructure decisions, working closely with military stakeholders, architects, and delivery teams to ensure systems are secure, resilient, interoperable, and fit for operational use.

Key Responsibilities

Act as Technical Lead for infrastructure within a secure military environment

Lead the design, build, and assurance of on-premise and restricted network infrastructure

Provide hands-on expertise across server, platform, and core infrastructure services

Own technical decisions and ensure alignment with defence security standards and policies

Lead and mentor engineers, setting technical direction and best practice

Work closely with architects and delivery leads to ensure interoperability between systems, networks, and platforms

Support integration of legacy military systems with newer infrastructure solutions

Ensure infrastructure is designed for resilience, availability, and operational continuity

Engage confidently with senior military and MOD stakeholders

Produce and review technical documentation suitable for secure and audited environments

Essential Experience

Proven experience working on military or defence IT infrastructure projects

Strong background in highly secure / classified environments

Deep experience with server infrastructure (Windows Server essential; Linux desirable)

Strong expertise in Microsoft Exchange (secure configurations, migrations, hybrid models where applicable)

Demonstrable experience delivering interoperable infrastructure solutions across complex estates

Experience working with restricted networks, air-gapped environments, or cross-domain solutions

Strong understanding of infrastructure security principles within defence or government frameworks

Previous experience in a technical lead or senior infrastructure role

Technical Skills (Core)

Windows Server (design, hardening, lifecycle management)

Active Directory, DNS, Group Policy

Microsoft Exchange (on-prem / secure hybrid environments)

Virtualisation platforms (VMware / Hyper-V)

Secure networking concepts and dependencies

Backup, DR, and high-availability design

Infrastructure documentation and technical assurance

Desirable Experience

Experience working with MOD, NATO, or allied defence environments

Knowledge of defence security standards and accreditation processes

Experience integrating legacy systems in operational environments

Exposure to secure platform modernisation or transformation programmes