Senior Aerospace Systems Engineer, Rocket Propulsion


Company:	Expert Employment
Salary:	£38,000 to £50,000 a year
Hours:	Full-time
Location:	Aylesbury, HP19 8AP
Working pattern:	On-site
Job type:	Permanent
Posting date:	11 Aug 2026
Closing date:	11 Oct 2026

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Summary

Join our leading International Aerospace and Defence company. We are seeking a highly skilled Senior Systems Engineer to play a critical role in supporting our current engine development program. This is an exciting opportunity to contribute to the development of a complex, multifaceted rocket engine system composed of numerous components.

Key Responsibilities

Manage the Design, Verification, and Compliance Matrix at a top level.

Oversee the overall engine system architecture, including

System level analysis FMECAs, radiation, reliability, mechanical, thermal, fluidic, electromagnetic, etc.

Documentation Design, Design Justification Document, Software Requirements Specification, Engine Test Plan, etc.

Collaborate with the Project Manager to plan and organise project tasks and resources.

Support the engine system build, assembly, and test development process by reviewing route cards, build sequences, and integration processes.

Key Requirements

Master???s degree in engineering Aerospace, Mechanical, or Electrical engineering preferred.

Minimum of 5 years of experience in complex product development within the industry.

Proven track record as a technical leader with clear communication skills, leading large multidisciplinary and multicultural engineering teams.

Understanding of Electrical or Harnessing Design, routing, and schematic.

Proficiency in System Thermal Equipment design and selection.

Knowledge of System Analysis, including but not limited to: Fluidic Analysis, Performance Analysis, Thermal Analysis, Radiation Assessment, Failure Modes Effects and Criticality Analysis or FMECA.

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