Mechanical Design Engineer

Company: Unibox Aluminium Ltd.
Apply for the Mechanical Design Engineer
Location: Smithy Bridge
Job Description:

Role Description

We’re looking for a CAD Design Engineer to join our strong and developing design team. In this role you will closely align with both sales and production teams, turning customer concepts into practical, manufacturable solutions.

You’ll need to be mechanically minded, confident in how things fit together and comfortable managing multiple projects at once. The role combines hands‑on design work with regular liaison across departments, so strong communication skills, commercial awareness and confidence are key.

Key Responsibilities

  • Create detailed 2D and 3D drawings using Solidworks
  • Work with the sales team to develop mechanical solutions that help secure new business
  • Ensure designs are mechanically thought through, practical, manufacturable, and aligned with company capabilities
  • Support production with clear assembly advice and technical guidance
  • Manage multiple live projects
  • Provide technical advice and support to internal and external stakeholders
  • Communicate effectively across sales, production and management to ensure smooth delivery
  • Identify opportunities to simplify design, reduce costs and improve manufacturability

Key skills and experience

  • Minimum 5 years solidworks experience
  • Strong mechanical design and drawing experience (solidworks essential)
  • Mechanically minded with a good understanding of how things go together
  • Experience in revision controlled & process driven design environment
  • Ability to work to critical deadlines
  • Strong level of knowledge in some or all of the following areas:
    • Aluminium profile
    • Tubular fabrication & weldin
    • Sheet timber construction
    • Sheet plastics construction
  • Clear and confident communicator, able to liaise effectively across multiple teams
  • Practical and commercial mindset
  • Confident but down-to-earth personality – someone who takes pride in their work without ego
  • Electrical and/or LED experience advantageous

What we offer you

  • Competitive salary + benefits package
  • Training opportunities for personal and professional development
  • 23 days annual holiday (plus bank holidays), increasing on length of service
  • Christmas shut down
  • Additional paid “Unibox” bank holiday on the last working day of the year before Christmas
  • Cash health plan for everyday medical expenses (after passing probation)
  • Employee Assistance Programme (EAP)
  • Non-corporate working environment
  • Regular social events
  • Free onsite parking
  • Introduction incentive program is offered for employees who successfully introduce a new starter (t&c’s apply)

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Posted: July 6th, 2026