Systems Safety Engineer

CBSbutler Holdings Limited trading as CBSbutler; Southampton; On-site; GBP 96,000 - 107,000; Full time

Job summary

CBSbutler Holdings Limited trading as CBSbutler is seeking a System Safety Engineer to lead safety activities for a Defence/Aerospace programme based in Southampton, with 90% on-site presence and a six-month contract. The role requires active SC clearance and UK nationality for work on an important UK defence project.

You will manage system safety across multidisciplinary teams, identify hazards, mitigate risks and ensure safety requirements are met throughout the lifecycle, delivering technical

Qualifications

• Proven system safety experience in a safety-critical industry.
• Experience across multiple engineering lifecycle 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.
• Desirable: ARP4754B, ARP4761A, DO-254 or DO-178C; radar/sensors or defensive aids systems familiarity; tools such as IBM DOORS, Cameo or Isograph.

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

Hazard analysis

Risk mitigation

Safety requirements

Documentation

Stakeholder management

Communication

Tools

IBM DOORS

Cameo

Isograph

Job description

System Safety Engineer - Defence / Aerospace

Location: Southampton - approximately 90% onsite

Contract: 6 months (23 November 2026 - 23 May 2027)

Rate: £70 to £78 per hour

IR35: Inside IR35

Clearance: Active SC clearance required; sole UK nationality essential

Hours: 37 per week

The Role

An exciting opportunity for a Lead / Principal System Safety Engineer to support a next-generation Air programme, developing integrated sensor, communications and non-kinetic systems for flight test and technology demonstration.

You will lead system safety activities across complex, multidisciplinary engineering teams, ensuring hazards are identified, risks mitigated and safety requirements met throughout the engineering lifecycle.

Key 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.

Essential Skills & Experience

• Proven system safety experience within a safety-critical industry.
• Experience across multiple engineering lifecycle 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.
• Desirable: Knowledge of ARP4754B, ARP4761A, DO-254 or DO-178C; experience with radar, sensors or defensive aids systems; and tools such as IBM DOORS, Cameo or Isograph.

Join a high-profile UK defence programme developing advanced combat air technologies and integrated systems