Lead Product Security Engineer - Maritime & Defence

Expleo; Bristol; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Expleo Academy

Hybrid work model

Competitive benefits

Job summary

Expleo is seeking a senior cybersecurity leader to define and assure security strategy for a major defence shipbuilding programme in the UK. You will embed secure engineering across shipboard, IT and OT environments, working with naval architects, platforms, suppliers and senior stakeholders.

You will lead threat modelling, risk assessment and governance, ensuring compliance with MOD and maritime security frameworks and delivering robust cyber resilience across the lifecycle.

Qualifications

• Proven senior cybersecurity or secure engineering experience in defence/maritime contexts.
• Experience embedding security across full engineering lifecycles and supplier chains.
• Strong knowledge of MOD/NCSC and maritime security frameworks.

Responsibilities

• Define and maintain the Product Security Management Plan and lifecycle security activities.
• Lead security input into design reviews and governance forums.
• Embed secure‑by‑design principles across IT/OT and shipboard systems.
• Manage risk registers, supplier security requirements and assurance artefacts.
• Provide senior technical direction and clear decision support to leadership.

Skills

Cybersecurity leadership

Threat modelling

Security architecture

Stakeholder management

Regulatory compliance

Education

BSc in a relevant field

CISSP / CISM / equivalent

Job description

Expleo is seeking a senior cybersecurity leader to define and assure security strategy for a major defence shipbuilding programme in the UK. You will embed secure engineering across shipboard, IT and OT environments, working with naval architects, platforms, suppliers and senior stakeholders.

You will lead threat modelling, risk assessment and governance, ensuring compliance with MOD and maritime security frameworks and delivering robust cyber resilience across the lifecycle.