Senior System Engineer

JR United Kingdom; Eastbourne; On-site; GBP 55,000 - 85,000; Full time

Job summary

A leading company in aerospace technology seeks a Senior Systems Engineer to join their high-performing team. The role involves leading engineering activities across system lifecycle phases and requires a strong background in systems architecture and requirements management. The opportunity includes work-life balance and comprehensive benefits.

Benefits

Half-day Fridays

25 days annual leave plus bank holidays

Private medical insurance

Up to 7% employer pension contribution

Life assurance and group income protection

Flexible benefits platform

Employee assistance programme

Qualifications

• 6+ years experience in systems engineering.
• Strong background in requirements management.
• Experience in aerospace, defence, or mission-critical systems.

Responsibilities

• Lead systems engineering activities from planning to validation.
• Analyse system performance during lifecycle phases.
• Collaborate with stakeholders to translate operational needs.

Skills

Requirements Management

Systems Architecture

Technical Communication

Mentoring

Education

Degree in Engineering or related discipline

Tools

DOORS

Innoslate

Job description

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Are you a systems engineering professional looking to work on mission-critical aerospace systems? We’re hiring a Senior Systems Engineer to join a high-performing team developing advanced release systems used across some of the world’s most prominent military aircraft platforms.

This role offers the opportunity to work across the full system lifecycle, from concept through to design, integration, and in-service support, on projects that directly support national and global security operations.

What You’ll Be Doing:

• Lead systems engineering activities, from technical planning and requirements management to verification and validation.
• Analyse system performance across concept, design, testing, installation, and operations phases.
• Collaborate cross-functionally with stakeholders to interpret operational needs and translate them into system requirements.
• Conduct trade studies, requirements allocation, and interface definitions.
• Support complex project and task management across multidisciplinary teams.
• Help shape operational documentation and ensure engineering solutions meet technical, schedule, and cost expectations.

What You’ll Bring:

• Degree in Engineering or a related discipline (or equivalent industry experience).
• 6+ years’ experience in systems engineering, with knowledge of the full development lifecycle.
• Strong background in requirements management and systems architecture.
• Skilled in documentation, reporting, and technical communications.
• Experience with tools like DOORS, Innoslate, or equivalent.
• Awareness of CAD, CFD, and FEA tools and regulatory compliance processes (e.g. MAA, DAOEs) is an advantage.
• Comfortable providing mentoring or coaching to less experienced engineers.
• Background in aerospace, defence, or mission-critical system environments.
• Exposure to IPS/ILS (Integrated Product or Logistics Support).
• Experience in supporting Certificate of Design and regulatory approvals.

Why Join?

• Half-day Fridays for better work-life balance
• 25 days annual leave (plus bank holidays), increasing with service
• Private medical insurance (with optional family cover)
• Up to 7% employer pension contribution
• Life assurance, group income protection, and a flexible benefits platform including gym membership, dental, critical illness cover, and cycle-to-work
• Access to an employee assistance programme for mental health and wellbeing

Eligibility Requirements:

Please note: Due to the nature of the work, UK right-to-work and eligibility for BPSS clearance is required.

This is an exciting opportunity to work on cutting-edge systems that make a real impact. If you're ready to take on a senior technical role with hands-on influence and strategic oversight, we want to hear from you.

Apply now to join a team shaping the future of aerospace technology.