Lead System Safety Engineer — Defence/Aerospace, SC Cleared

CBS Butler; Southampton; On-site; GBP 96,000 - 107,000; Full time

Job summary

CBS Butler is seeking a System Safety Engineer for a defence/aerospace project in Southampton, 90% onsite. The contract is 6 months (23 November 2026 - 23 May 2027) with a rate of £70 to £78 per hour. Active SC clearance and sole UK nationality are required; 37 hours per week.

You will lead system safety activities across multidisciplinary engineering teams, ensuring hazards are identified, risks mitigated and safety requirements met throughout the lifecycle of a next-generation air programme.

Qualifications

• Proven system safety experience within a safety-critical industry.
• Experience across multiple engineering life cycle phases.
• Track record of leading safety activities across multidisciplinary teams.
• Knowledge of hazard analysis, risk mitigation and aircraft-level safety.
• Strong communication, stakeholder management and documentation skills.

Responsibilities

• Lead system safety work packages across multiple engineering teams.
• Conduct hazard identification, safety analysis and risk mitigation.
• Develop and manage system safety requirements.
• Review subsystem and aircraft-level safety analyses.
• Produce safety assessments and supporting technical documentation.
• Present safety findings at design reviews and advise on product safety assurance.

Skills

System safety experience

Hazard analysis

Safety requirements

Cross-disciplinary leadership

Communication & documentation

Tools

IBM DOORS

Cameo

Isograph

Job description

CBS Butler is seeking a System Safety Engineer for a defence/aerospace project in Southampton, 90% onsite. The contract is 6 months (23 November 2026 - 23 May 2027) with a rate of £70 to £78 per hour. Active SC clearance and sole UK nationality are required; 37 hours per week.

You will lead system safety activities across multidisciplinary engineering teams, ensuring hazards are identified, risks mitigated and safety requirements met throughout the lifecycle of a next-generation air programme.