×
Register Here to Apply for Jobs or Post Jobs. X

Product Security Engineer

Job in Luton, Bedfordshire, EX14, England, UK
Listing for: CBSbutler Holdings Limited trading as CBSbutler
Full Time position
Listed on 2026-08-20
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, Security Management & Operations, Systems Engineer
Salary/Wage Range or Industry Benchmark: 90 GBP Hourly GBP 90.00 HOUR
Job Description & How to Apply Below
Product Security Engineer - Defence & Government

Location:

Luton - 90% onsite
Rate: £80-£90 per hour
Security Clearance:
Active SC Clearance required
Nationality: UK Eyes Only / Sole British National required

Contract:

12 Months +

The Role

We are seeking an experienced Product Security Engineer to support the development and maintenance of bespoke security capabilities for Defence and Government customers.

You will take responsibility for security across the full product lifecycle, from design and development through verification, deployment and ongoing maintenance.

The role will focus on security risk assessment, security requirements, risk mitigation, security assurance and the implementation of appropriate security controls. You will work closely with product development teams, security assurance authorities, risk owners and engineering SMEs to ensure products meet relevant customer and organisational security requirements.

This is a highly technical role suited to a Product Security professional with experience working across UK Defence, Government, aerospace or other highly regulated environments.

Key Responsibilities

Develop Security Management Plans, work package descriptions and cost estimates for bids, services and proposals.
Undertake security risk assessments and develop risk mitigation plans.
Conduct mitigation gap analysis and produce security management documentation for system assurance.
Define product security requirements and advise engineering teams on security control implementation.
Work directly with product development teams throughout the product lifecycle.
Liaise with internal and external security assurance authorities to demonstrate compliance with relevant security frameworks.
Work collaboratively with external security authorities, including the NCSC, where required to support security assurance.
Manage security activities across development, testing and manufacturing environments.
Advise engineering teams on platform lockdown, secure configuration and security hardening.
Support penetration testing activities, analyse findings and develop remedial action plans.
Manage through-life product security, including vulnerability management, patch management and security obsolescence planning.
Support security incident management and crisis response activities.
Review and contribute to corporate product security policies and processes.
Deliver product security training and guidance to engineering teams.
Produce and maintain technical security artefacts and assurance documentation.

Security Risk & Assurance

You will be responsible for ensuring security risks are appropriately identified, assessed and managed throughout the product lifecycle.

This will include:

Security risk assessments.
Risk mitigation planning.
Security requirements definition.
Security cases and assurance documentation.
Mitigation gap analysis.
Security verification and testing.
Penetration testing support and remediation.
Engagement with customer security authorities and risk owners.
Demonstrating compliance against applicable UK, NATO and international security frameworks.

Product Security Engineering

The role will require a strong understanding of how security controls are applied to bespoke products and systems, including:

Product-specific operating systems.
Firmware.
Software.
Platform security and hardening.
Cryptographic technologies.
Key management systems.
Secure configuration and lockdown.
Vulnerability and patch management.
Security monitoring and incident response.

You will work closely with engineering teams to ensure security requirements are translated into practical and effective technical controls.

Essential Skills & Experience

Demonstrable experience developing product-based security solutions for military, defence, government or commercial products and systems.
Strong experience in Product Security / Information Security / Cyber Security Engineering.
Experience undertaking security risk assessments and developing risk mitigation strategies.
Experience defining and managing product security requirements.
Experience producing technical security assurance documentation.
Experience working directly with engineering and product development teams.
Strong understanding of security throughout the product lifecycle.
Practical experience with security assurance and compliance activities.
Knowledge of UK Defence and Government security frameworks.
Recent experience with relevant UK/EU/NATO information security standards and frameworks, including:
UK MOD Secure by Design
GovS 007
HMG IS1/IS2
ISO 27001
NIST SP 800-30, 800-37 and 800-53
UK MOD Information Security-related JSPs
EU Cyber Resilience Act (CRA)
US Department of Defense information security policies
Experience producing security artefacts such as Key Management Plans, Security Operating Procedures, Security Cases and security testing documentation.
Knowledge of cryptographic technologies and key management.
Understanding of Model-Based Systems Engineering (MBSE) and the role of Product Security within the systems…
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary