Mechanical Design Engineer - Battery Systems

Trimex bvba; Warwick; Remote; GBP 35,000 - 45,000; Full time

Job summary

An established industry player is seeking a Senior Mechanical Design Engineer to lead the design of ruggedized enclosures and battery systems. This role requires a proactive engineer with over 8 years of experience in mechanical design, particularly in battery and automotive sectors. You will utilize your expertise in Autodesk Fusion 360 to create innovative designs that meet stringent safety and performance standards. Join a collaborative team where your contributions will directly impact cutting-edge projects in a dynamic environment. If you're ready to take on exciting challenges and drive engineering excellence, this opportunity is perfect for you!

Qualifications

• 8+ years of mechanical design experience in battery or automotive industries.
• Proficient in Autodesk Fusion 360 or similar MCAD tools.
• Deep understanding of environmental and mechanical compliance standards.

Responsibilities

• Develop and manage mechanical designs for battery modules and enclosures.
• Collaborate with electrical and software teams for integrated designs.
• Ensure compliance with environmental and mechanical standards.

Skills

Mechanical Design

Autodesk Fusion 360

Battery Module Design

DFM/DFA Principles

Tolerance Analysis

Environmental Compliance

Education

Bachelor's Degree in Mechanical Engineering

Tools

Autodesk Fusion 360

Job description

Mechanical Design Engineer - Battery Systems

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This role is Outside IR35

UK based Remote working

Job Title: Senior Mechanical Design Engineer - Electronics Enclosure & Battery Systems

Role Overview

The Senior Mechanical Design Engineer will be responsible for the mechanical design of ruggedized enclosures, battery modules, and supporting systems. The ideal candidate has deep expertise in mechanical CAD, materials, and manufacturing techniques for high-reliability applications. This position is ideal for a proactive, detail-oriented engineer who thrives in a collaborative and fast-moving project structure.

Key Responsibilities

• Develop and manage mechanical designs using Autodesk Fusion 360 or equivalent CAD tools (license required or provided by candidate).
• Design battery packs and busbars for power systems, ensuring safety, reliability, and thermal performance.
• Create enclosure designs that meet IP67-IP68 ingress protection requirements.
• Apply DFM/DFA principles for plastic moulding, sheet metal, and laser welding fabrication.
• Perform tolerance stack-up analysis and apply electrical clearance and creepage rules.
• Model cable harnesses and integrate effective strain relief and routing strategies.
• Select and implement robust fixing methods: adhesives, rivets, welds, mechanical fasteners.
• Ensure compliance with environmental and mechanical standards including:
• Corrosion: AECTP-300 Method 309 o Dust & Sand: AECTP-300 Method 313 o Shock & Vibration: DEF STAN 00-35 (M1-M6) o Rain, Solar, Immersion: AECTP-300 Methods 305, 307, 310
• Collaborate closely with electrical, software, and manufacturing teams to ensure integrated, production-ready designs.
• Occasionally participate in on-site system integration activities in the UK (location to be confirmed).
  
  

Requirements

• Minimum 8 years of mechanical design experience in battery, electronics, or automotive industries.
• Proficient with Autodesk Fusion 360 or similar MCAD tools (must provide own license if not using Fusion 360).
• Proven experience in:
• o Battery module and busbar mechanical design o Enclosure design with IP67-IP68 protection o Harness and cable modelling o Plastic injection moulding and sheet metal design o Laser welding and other joining techniques o Tolerance analysis, electrical safety spacing o Designing for mass manufacturing and assembly
• Deep understanding of environmental and mechanical compliance standards.
  
  

Preferred Skills

• FEA or simulation experience in thermal, static, or dynamic mechanical loading scenarios.
• Experience in rugged environments (defence, automotive, industrial sectors).
• Experience working in a milestone-driven development environment.
  
  

Personality

• Initiative-taker with a creative and solutions-focused mindset.
• Strong communication and problem-solving skills.
• Comfortable working independently and delivering results

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Civil Engineering

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