Security Assurance Manager

Security Assurance Lead

Location:

London Hybrid (2 days onsite per week)

Contract:

Initial Contract (potential extension) IR35:
Inside IR35 - Up to £600 per day We are seeking an experienced Security Assurance Lead to join a leading technology and innovation consultancy delivering a large-scale, nationally significant transformation programme. Working as part of a high-performing cyber security team, you'll provide independent security assurance across complex programmes, ensuring security is embedded throughout the delivery lifecycle. You'll work closely with technical teams, programme stakeholders and third-party suppliers to review solutions, manage risk, and ensure compliance with government security standards and secure-by-design principles.

Key Responsibilities as a Security Assurance Lead Provide independent security assurance across programme work streams, projects and suppliers. Review and challenge security designs, technical artefacts and implementation approaches to ensure secure-by-design and secure-by-default principles are followed. Assess compliance with government security policies, industry standards and programme security frameworks. Identify, assess and manage security risks, ensuring appropriate mitigation and escalation where required. Build strong relationships with programme teams, suppliers and senior stakeholders, acting as a trusted security advisor.

Provide pragmatic security guidance that balances risk, operational requirements and delivery objectives. Support security accreditation, authority-to-operate activities and programme release gates. Review significant security incidents and contribute to lessons learned and continuous improvement activities. Monitor remediation activities relating to vulnerabilities, incidents and audit findings. Produce high-quality security assurance reports, risk assessments and documentation for senior decision-makers. Conduct supplier and third-party security assurance reviews to ensure compliance with contractual and programme security requirements.

Experience You'll Need as a Security Assurance Lead Proven experience as a Security Assurance Lead, Security Assurance Manager or Security Accreditor. Experience delivering security assurance across large, complex transformation programmes involving multiple suppliers and stakeholders. Strong knowledge of government security policies and frameworks, including Secure by Design, NCSC guidance and related standards. Experience conducting security assessments, audits and assurance reviews.

Experience reviewing technical security architectures and providing constructive challenge to delivery teams. Strong understanding of security governance, risk management and compliance. SFIA Level 5 capability or equivalent experience.

Experience with in telecommunications, mobile network operators, critical national infrastructure or emergency services. Knowledge of 4G/5G Core Networks, Radio Access Networks (RAN), IMS, OSS/BSS platforms and network virtualisation (NFV/SDN). Understanding of Zero Trust architecture, identity security, encryption, SIEM, SOC integration and network segmentation. Professional certifications such as CISSP, CISM, CCSP, CRISC, ISO 27001, NCSC CCP, TOGAF, SABSA or AWS Security. Experience working within highly regulated public sector or government environments.

What's on Offer Up to £600 per day Inside IR35 . Hybrid working with two days onsite each week in London Opportunity to work on a high-profile, nationally significant transformation programme. Collaborative environment alongside experienced cyber security and technology specialists. Initial contract with strong potential for extension.

Please note:

Active SC Clearance is required for this role. Candidates should have clearance that has been used within a UK Government department within the last 12 months. Candidates who do not fully meet this requirement may still be considered, subject to client approval and sponsorship. To hear more about this Security Assurance Lead opportunity, hit apply or get in touch with Sophie Higginson at Anson McCade for a confidential discussion.

AMC/SHI/SAL