SC Cleared Infrastructure Engineer

Cleantech Impact Partners Ltd; Hounslow; On-site; GBP 60,000 - 90,000; Full time

Job summary

Cleantech Impact Partners Ltd is seeking an SC-cleared Infrastructure Engineer to join a defence-focused team in the UK. You will design, build and maintain secure Linux/Windows environments, handle virtualization and networking, and work within highly regulated settings to ensure zero-downtime operations.

The role demands hands-on infrastructure expertise, a strong commitment to security, and the ability to operate in secure environments with colleagues who value engineering rigor.

Qualifications

• Active SC clearance.
• UK resident for a minimum of 5 years.
• Sole UK national due to secure role.
• Hands-on infrastructure background with Linux/Windows administration.
• Experience with virtualization and networking in secure environments.

Responsibilities

• Design, build and maintain secure infrastructure.
• Administer Linux/Windows environments.
• Manage virtualization and networking across secure systems.
• Operate within highly regulated, mission-critical contexts.

Skills

SC clearance

UK residency

Sole UK national

Linux admin

Windows admin

Virtualization

Networking

Secure environments

Tools

VMware

KVM

Job description

SC Cleared Infrastructure Engineer

The backbone work that makes national security possible.

We are working with a leading global IT and business consulting firm, deeply Embeded in UK Defence and National Security, to identify an experienced SC-cleared Infrastructure Engineer to join their defence team.

You’ll be designing, building and maintaining the underlying infrastructure, Linux/Windows environments, virtualisation, networking, that everything else in these secure environments depends on. It’s detailed, high-responsibility work on systems where downtime or misconfiguration genuinely isn’t an option, alongside a team that takes engineering rigour seriously.

Our client has decades of heritage delivering to UK Defence and intelligence agencies, with real investment in developing technical careers long-term.

Essential:

• Active SC clearance
• UK resident for a minimum of 5 years
• Due to the secure nature of the role, candidates must be sole UK nationals
• Hands-on infrastructure background, Linux/Windows administration, virtualisation, networking
• Comfortable working within secure, regulated environments

Desirable:

• Defence, Intelligence, or wider public sector background
• Virtualisation experience (VMware, KVM)
• Military transition candidates with hands-on technical infrastructure experience

What’s on offer:

Competitive salary and benefits package, structured career development, and the opportunity to work on infrastructure that genuinely matters.

Location:

South West