Permanent

Propulsion Systems Engineer

Expert Employment

Aylesbury, Buckinghamshire, HP20 1QY

35000 - 46000 Per Annum None

Posted: 30 August 2026 (3 weeks ago)

Closing date: 29 September 2026

Ref: 2347

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About the Role

A Propulsion Systems Engineer position is available in Aylesbury, offering a permanent contract with a salary between £35,000 and £46,000 per annum. The role involves supporting the design and development of rocket engines, space thrusters, and chemical propulsion systems for satellite manufacturers. Working within a Systems Engineering team, you will contribute to defence and scientific projects alongside national and European space agencies. Responsibilities include applying mechanical and fluidic system expertise, communicating with diverse stakeholders, and collaborating on project teams. A degree in Mechanical or Chemical Engineering is required. The employer provides structured training and professional development support.

A rocket engine, space thruster and chemical propulsion design and development client is looking for someone to join their Systems Engineering team. This is a critical role supporting space satellite propellant and other systems for key spacecraft manufacturers. You will work closely with the National and European Space Agencies for defence and scientific projects.
Due to continued Engineering team growth, there is an opportunity to join their Systems Engineering team, with training, support and commitment to professional development.
Skills
Mechanical and fluidic system engineering experience.
Ability to communicate effectively to a range of stakeholders, playing a key role in project teams and working closely with customers where needed.
Degree level in Mechanical Engineering, Chemical Engineering or a related subject.
Decision Making, take action consistent with facts, constraints, and consequences.
Duties
Perform pressurised propulsion system trade off analysis based on initial, top level inputs.
This is a role which requires flexibility and an ability to meet ambitious and often fluctuating deadlines.
Review and interpret higher level spacecraft requirements generating System Level requirements.
Perform System design including key Electrical, Harnessing Design, routing and schematic components.
Thermal equipment design and selection using System Analysis of Fluidic, Performance, Structural, Thermal, Reliability, Radiation, Hazard, Safety, Failure Modes Effects and Critical FMECA Analysis.
Advise on Manufacturing and Assembly Plan, process and procedures.