Infrastructure Tester - DV Cleared

CBS Butler; Basingstoke and Deane; On-site; GBP 111,000 - 114,000; Full time

Job summary

CBS Butler in Hampshire is seeking an experienced Infrastructure Tester to join a secure Agile delivery team. The role focuses on testing and validating Windows and Linux infrastructure to ensure security, reliability, and deployment readiness.

You'll hold active UKSV DV clearance and work on high-profile programmes in a on-site environment in Hampshire. This is a full-time, on-site role with a strong emphasis on secure IT infrastructure testing.

Qualifications

• Infrastructure testing experience across Windows and Linux.
• Knowledge of IDAM, PKI, servers, networking, and virtualisation.
• Experience with manual testing, defect management, and integration/end-to-end testing.
• Agile environment experience (SAFe desirable).
• ISTQB Foundation is advantageous.

Responsibilities

• Test and validate Windows and Linux infrastructure to ensure security, reliability and deployment readiness.

Skills

Infrastructure testing

IDAM

PKI

Servers

Networking

Virtualisation

Manual testing

Defect management

End-to-end testing

Agile SAFe

ISTQB Foundation

Job description

Infrastructure Tester - DV Cleared | Windows & Linux | High-Security Environment

+ Hampshire based role

+ Full time onsite

+ £600 to £620 per day

+ Requires DV Clearance

We are looking for an experienced Infrastructure Tester to join a secure, Agile delivery team supporting critical IT infrastructure projects. You'll be responsible for testing and validating Windows and Linux infrastructure, ensuring systems are secure, reliable, and ready for deployment.

Key Skills

• Infrastructure testing experience across Windows and Linux.
• Knowledge of IDAM, PKI, Servers, networking, and virtualisation.
• Experience with manual testing, defect management, and integration/end-to-end testing.
• Agile environment experience (SAFe desirable).
• ISTQB Foundation is advantageous.

Requirements

• Active UKSV DV clearance (MOD DV accepted).
• UK national holding a single valid UK passport.

This is an excellent opportunity to work on high-profile, secure programmes within a collaborative technical team.