Security Assurance Lead - Contract

Company: Vallum Associates

Location: Derbyshire

Posted: May 9th, 2026

Security Assurance Lead – Nuclear / Highly Regulated Environment


We are delivering a critical assurance programme within a highly regulated environment and are looking to speak with experienced Security Assurance professionals for an initial 10–12 week contract.


This is not a pure cyber security role.


The focus is on designing and shaping a practical, risk-based security assurance model across multiple domains including:

• Organisational security

• Physical security

• Personnel security

• Compliance & assurance

• Design security

• Cyber security


You will be responsible for developing:

• Supplier security standards

• Assessment and validation methodologies

• Evidence and reporting approaches

• Tiered assurance frameworks aligned to supplier risk and criticality


We are particularly interested in individuals with experience across:

• Nuclear

• Defence

• Aerospace

• Critical National Infrastructure (CNI)

• Other highly regulated environments


Ideal background:

• Security Assurance / GRC / Operational Risk

• Supplier assurance / third-party risk

• ISO27001 / NIST / NCSC CAF exposure

• Practical assurance model design

• Stakeholder engagement across technical and operational teams


Contract:

• Initial 10–12 weeks

• Hybrid working

• June start anticipated


If relevant, or if you know someone suitable, please get in touch directly.

Daniel Martin

Associate Director – Energy & Utilities

dmartin@vallumassociates.com

020 4542 8010

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