Principal Security Consultant

Principal Security Consultant - Defence & National Security

Hybrid / Remote with client travel

Up to £80,000 + Bonus + Excellent Benefits

SC or DV Clearance Required

A growing cyber security consultancy delivering high‑impact work across Defence, Government and National Security is looking to hire a Principal Security Consultant to join its expanding consulting team.

This is a senior, client‑facing role suited to an experienced cyber and information assurance professional who can lead complex GRC and security assurance engagements while acting as a trusted advisor to stakeholders across the Defence sector.

You’ll work across a varied portfolio of programmes, supporting clients with governance, risk and compliance activities aligned to frameworks and standards including ISO 27001, NIST, CAF, Secure by Design, JSP
440 and JSP
604. The environment is fast‑moving, collaborative and highly consultative. Beyond delivery, you’ll also contribute to pre‑sales activity, support bids and tenders, and help shape the continued growth of the practice. We're particularly interested in consultants who are highly certified, commercially aware and genuinely passionate about cyber security. Candidates with Security Assurance Co‑ordinator (SAC) or Delivery Team Security Lead experience within MOD environments will be especially well suited.

• Security assurance and accreditation within Defence environments
• JSP
  440 / JSP
  604
• ISO 27001, NIST, CAF and Secure by Design
• Cyber risk assessments and gap analysis
• Working across cloud, SaaS and traditional infrastructure
• Stakeholder engagement and consultancy delivery
• MOD Security Assurance Co‑ordinator experience

• CISSP
• CISM
• CRISC
• ISO 27001 Lead Implementer / Lead Auditor
• Chartered Cyber Security Professional status

In return, you’ll join a highly respected consultancy with a strong reputation in the Defence sector, a genuine investment in training and certifications, and the opportunity to work alongside some exceptionally strong cyber professionals.