Lead Product Security Engineer

Defenceiq; Luton; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A leading defence technology company seeks a skilled Lead Product Security Engineer to oversee product security from concept to maintenance. This role includes developing security management plans and requires experience with defence systems along with relevant certifications. Hybrid working is offered with some onsite presence required.

Qualifications

• Background in securing defence or commercial systems.
• Certified security professional (CISSP, NCSC Certified Professional).
• Eligible for SC clearance.

Responsibilities

• Lead the definition and governance of product security measures across the lifecycle.
• Develop Security Management Plans and risk assessments.
• Prepare security documentation including Protection Profiles and Security Targets.

Skills

Communication

Leadership

Collaboration

Education

Degree in engineering or computer science

Job description

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Location: Luton (Hybrid working - est 1-2 days per week onsite)

Duration: 12 month initial contract

Rate: £91ph UMB (Inside IR35)

Job Title: Security Engineer - Defence & Government Systems

Overview

A leading defence technology company is seeking a skilled Security Engineer to develop and manage product security for high-integrity systems. You will oversee security throughout the product lifecycle-from concept to maintenance-ensuring alignment with customer and regulatory requirements.

Key Responsibilities

• Lead the definition, implementation, and governance of product security measures across the entire system lifecycle.
• Develop Security Management Plans, risk assessments, and mitigation strategies.
• Define and review security requirements for product teams.
• Support system accreditation, liaising with security accreditors and assurance teams.
• Prepare security documentation including Protection Profiles, Security Targets, and TEMPEST Control Plans.
• Assist with platform lockdown, penetration testing, and vulnerability management.
• Lead incident response efforts and support product security training.
  
  

Skills & Experience

• Background in securing defence or commercial systems.
• Degree in engineering, computer science, or related field.
• Certified security professional (e.g. CISSP, NCSC Certified Professional).
• Familiar with UK/NATO IA standards (ISO 27000, NIST SP800, JSP440, etc.).
• Experience with accreditation, security evaluation, and cryptographic systems.
• Strong communication, leadership, and collaboration skills.
• Eligible for SC clearance (UK-only caveat).
  
  

Desirable

• DV clearance
• Understanding of quantum cryptography
• Familiarity with NATO security policies and advisory boards
  
  

Working Environment

Primarily desk-based with some UK/international travel. Flexible remote working is available, though some on-site presence is required.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  Manufacturing

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