Senior Security Consultant - SC Cleared - Permanent

AgileSource are currently looking for SC/DV Cleared - Senior Security Consultants on a Permanent basis. This is a very unique challenging role with a growing organisation. You will hold live SC Clearance and be willing to go through Developed Vetting/DV Clearance.

Working as part of a small, expert team of UKCSC and NCSC-certified professionals and ISO-accredited auditors, you'll lead assessments, guide clients through complex regulatory and security requirements, and shape security solutions that directly strengthen organisational resilience. You'll combine deep technical knowledge with strong consultancy skills, ensuring clients receive clear, trusted, and actionable advice.

Key ResponsibilitiesSecurity Assessment & Assurance

• Lead the delivery of high-quality security assessments across risk, architecture, testing, and assurance workstreams.
• Perform in-depth evaluations aligned to government, defence, and international standards (eg, NIST, ISO-27001, CAF, JSPs, NCSC guidance).
• Produce structured, high-quality reports that distil technical findings into clear, prioritised recommendations.
• Support accreditation and regulatory compliance programmes through evidence gathering, gap analysis, and risk mitigation planning

Skills & ExperienceEssential

• Proven experience delivering cybersecurity consultancy or assurance services at SFIA Level 4-5.
• Strong understanding of risk assessment, security architecture, and/or technical security testing.
• Ability to analyse complex systems and communicate findings to both technical and non-technical audiences.
• Experience working with security frameworks such as ISO-27001, NIST, CAF, or MOD/NCSC standards.
• Excellent written communication skills, capable of producing clear, structured, and authoritative reports.
• Strong interpersonal and client-facing skills, with the ability to lead conversations and drive outcomes.
• Practitioner/Associate Level at UKCSC/CIISEC

Desirable

• Professional certifications such as CISSP, CCSP, CISM, ISO-27001 Lead Auditor/Implementer, or technical quals (OSCP, CEH, Crest CRT).
• Experience delivering work in regulated sectors such as Defence, Government, Telecommunications, or Critical National Infrastructure.
• Understanding of accreditation processes such as MOD JSPs, RMADS, or NCSC frameworks.
• Principal/Full Member at UKCSC/CIISEC