Assurance Consultant

CBSbutler Holdings Limited; Basingstoke; On-site; GBP 101,475 - 110,700; Full time

Job summary

CBSbutler Holdings Limited is looking for an Assurance Consultant to provide oversight and assurance across a secure government IT infrastructure programme. You will manage test and trial activities to ensure alignment with operational requirements, acting as a trusted adviser to programme leadership.

The role requires strong experience in Test & Trials consultancy within secure environments, as well as the ability to provide independent challenge and guidance.

Competence in integration and system testing principles is also essential, along with active DV Clearance.

Qualifications

• Active DV Clearance (mandatory).
• Strong experience in secure government or defence environments.
• Background in secure IT infrastructure or complex systems.

Responsibilities

• Provide oversight and assurance of Test & Trials activity.
• Review and shape Test & Trials Strategies.
• Advise on test readiness and delivery confidence.
• Engage with engineering and operational stakeholders.

Skills

Delivering Test & Trials consultancy

Shaping test governance

Strong stakeholder advising

Integration and system testing principles

Job description

Assurance Consultant

Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £550 to £600 per day - Outside IR35

Overview

We are seeking a Project Test Manager to provide specialist oversight and assurance across a highly secure government IT infrastructure programme. This role will focus on managing and governing the test and trial activity, ensuring that infrastructure capabilities are validated, risks are identified early, and delivery remains aligned to operational requirements. The successful candidate will act as a trusted adviser to programme leadership, providing independent challenge, structured guidance, and leadership across complex test environments.

Key Responsibilities

• Provide strategic oversight and assurance of Test & Trials activity across the programme
• Review and shape Test & Trials Strategies, Plans, and governance frameworks
• Advise programme leadership on test readiness, risks, and delivery confidence
• Provide independent challenge to ensure robust validation and assurance practices
• Support planning and execution of system integration, acceptance, and operational trials
• Engage with engineering, cyber, and operational stakeholders to ensure coordinated test delivery
• Produce high-level assurance reporting and readiness assessments
• Identify delivery risks and recommend mitigation strategies
• Support transition into service and operational acceptance activities

Essential Skills & Experience

• Active DV Clearance (mandatory)
• Strong experience delivering Test & Trials consultancy or leadership within secure government or defence environments
• Demonstrable experience shaping test governance, strategy, and assurance frameworks
• Background working on secure IT infrastructure or complex systems programmes
• Experience advising senior stakeholders on test readiness and delivery risk
• Strong understanding of integration, system, and operational testing principles
• Ability to operate effectively within highly controlled, security-sensitive environments

If you'd like to discuss this role in more detail, please send your updated CV to [e-mail] and I will get in touch.