Senior Interconnect Design Engineer – Aerospace

Molex; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Molex in the UK is seeking a Senior Design Engineer to lead the development of advanced interconnect solutions for aerospace and defence. You will own new product development from concept to production, blending mechanical, electrical, and materials disciplines.

You will design connectors, cables and related components using SolidWorks, perform design reviews, DFMEA, testing and qualification, and collaborate across teams and suppliers in a hybrid working environment.

Qualifications

• Degree in Mechanical Engineering; Master’s preferred.
• 5–7 years in aerospace/defense or high-reliability industries.
• Experience bringing products from concept to market.
• Strong CAD experience, preferably SolidWorks.
• Knowledge of FEA tools (ANSYS, Mold Flow).
• Understanding materials, coatings, and manufacturing processes.
• Knowledge of electrical principles for connectors and cable systems.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Lead technical development of interconnect products from concept to production.
• Create 3D/2D CAD designs using SolidWorks.
• Design contacts, insulators, connectors, cables, and interconnect parts.
• Conduct design reviews with calculations, simulation, testing, and research.
• Coordinate prototype builds with internal teams and external suppliers.
• Support New Product Introduction (NPI) activities and manufacturing scale‑up.
• Develop test procedures and oversee qualification testing.
• Perform DFMEA and risk assessments per AS9100 requirements.
• Provide technical support for existing product ranges and root cause investigations.
• Collaborate with customers, suppliers and cross‑functional teams.

Skills

SolidWorks

Ansys

Materials engineering

Electrical connectors

Analytical thinking

Communication skills

Product development

Education

Master's degree in Mechanical Engineering

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

Job description

Molex in the UK is seeking a Senior Design Engineer to lead the development of advanced interconnect solutions for aerospace and defence. You will own new product development from concept to production, blending mechanical, electrical, and materials disciplines.

You will design connectors, cables and related components using SolidWorks, perform design reviews, DFMEA, testing and qualification, and collaborate across teams and suppliers in a hybrid working environment.