Principal Mechanical Engineer

Company: Assystem
Apply for the Principal Mechanical Engineer
Location: Whitehaven
Job Description:

Overview

As a key member of the engineering team, you will support requirements capture and engineering activities for waste containers and interface equipment within a highly regulated nuclear context. You’ll guide tolerances, review drawings, and help prepare component documents while mentoring Senior Engineers and Designers. Your work spans site surveys, DFMEA/PFMEA support, and lessons learned to improve technical tasks. This role offers meaningful impact by shaping safe, compliant designs in a mission-driven environment.

Responsibilities

  • Support requirements capture for waste containers and interface equipment
  • Assist Engineering Manager in engineering activities
  • Mentor Senior Engineers and Designers
  • Define product requirements with the team
  • Guide tolerance understanding on interface drawings
  • Compile Component Requirements Documents
  • Support site surveys and survey reports
  • Assist in DFMEA/PFMEA (Design and Process)
  • Review drawings and documents for accuracy
  • Apply Lessons Learned (LFE) to technical tasks

Key requirements

  • High-level technical competency with significant experience
  • HNC or higher (minimum)
  • Ability to innovate and develop new ideas
  • Experience in project documentation, processes and reports
  • Demonstrated stakeholder management
  • Strong drawing standards knowledge (BS8888, ISO-GPS ISO 8015)
  • Engineering background across design, manufacture, materials, welding, fabrication, machining
  • FMEA familiarity (DFMEA, PFMEA)
  • Excellent written and verbal communication
  • Effective communication
  • Stakeholder management
  • Mentorship and guidance
  • DFMEA/PFMEA
  • BS8888 drawing standards
  • ISO-GPS (ISO 8015)

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Posted: September 14th, 2026