Lead Mechanical Design Engineer, Defense Systems

Chess Dynamics; Horsham; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Group pension

Income protection

Life assurance

Share incentive plan

EV salary sacrifice

Wellbeing programme

Gym membership discounts

Learning & development opportunities

Onsite car parking

Job summary

Chess Dynamics is seeking a Principal Mechanical Design Engineer to lead the design of electro‑optical surveillance, tracking and positioning systems for defence applications. You will guide mechanical engineering activities through the full lifecycle, mentor engineers and drive engineering best practices while engaging with customers and supporting bid activities.

Based in the UK with hybrid working arrangements, the role requires strong leadership, advanced SolidWorks skills and a track record

Qualifications

• Degree educated in Mechanical Engineering.
• Experience designing complex mechanisms and structures for harsh environments.
• Lead design teams from concept through production.
• Proficient in SolidWorks CAD and 3D CAD modelling.
• Able to present complex technical arguments clearly.
• Experience in Defence or related sectors (R&D/manufacturing).
• Knowledge of machining, coatings and manufacturing processes.

Responsibilities

• Lead mechanical engineering activities from concept generation through the full design lifecycle.
• Create 3D CAD models using SolidWorks and related tools.
• Perform structural analysis including stress, fatigue and vibration.
• Produce detailed engineering and assembly drawings for manufacturing.
• Develop engineering reports and support design reviews and releases.

Skills

Mechanical design

Leadership

SolidWorks

3D CAD

FEA

Harsh environments

Materials selection

Project management

Education

Mechanical Engineering degree

Tools

SolidWorks

Job description

Chess Dynamics is seeking a Principal Mechanical Design Engineer to lead the design of electro‑optical surveillance, tracking and positioning systems for defence applications. You will guide mechanical engineering activities through the full lifecycle, mentor engineers and drive engineering best practices while engaging with customers and supporting bid activities.

Based in the UK with hybrid working arrangements, the role requires strong leadership, advanced SolidWorks skills and a track record