Senior Mechanical Design Engineer Building Services

Job Title: Senior Mechanical Design Engineer

Location: North Wales

Salary: £50,000

We are seeking a highly experienced Senior Mechanical Design Engineer to join a specialist engineering organisation developing advanced mobile machinery and defence‑sector mobility systems.

• Lead the design and development of mechanical systems
• Integrate hydraulic systems into mechanical designs
• Produce 3D models and detailed drawings using PTC Creo
• Conduct FEA, stress analysis, and simulation‑led design validation
• Collaborate with electrical, controls, manufacturing, and quality teams on integrated systems
• Ensure manufacturability, cost efficiency, and compliance with defence‑sector standards
• Support prototyping, testing, validation, and field troubleshooting
• Maintain BOMs within ERP (Navision/Business Central) and PLM (Windchill)
• Lead compliance activities including CE/UKCA marking, technical documentation
• Support customer acceptance testing, inspections, and audit requirements
• Perform structural and material optimisation using simulation‑led methods
• Conduct DFMEA, PFMEA, and FMEA activities across the design lifecycle

• Degree in Mechanical, Automotive, Aerospace Engineering or related discipline
• 5‑10+ years' experience in mechanical design within regulated or heavy engineering
• Strong proficiency in PTC Creo
• Experience in FEA, structural analysis, and simulation‑driven design
• Knowledge of hydraulic system integration
• Understanding of CE/UKCA compliance and technical documentation
• Experience with ERP/PLM systems (Navision/Business Central, Windchill)
• Strong analytical, problem‑solving, and communication skills