Senior Mechanical Engineer, Nuclear Systems & Design

Assystem; Whitehaven; On-site; GBP 42,000 - 65,000; Full time

Job summary

Assystem is a leading nuclear engineering firm offering diverse roles across the project lifecycle. The position requires high-level technical competency and significant experience in regulated environments.

You will support requirements capture, engineering activities, drawing checks, site surveys, and DFMEA/PFMEA while mentoring junior engineers and designers. The role emphasizes precise documentation, tolerances, and adherence to BS8888 / ISO-8015 standards, with opportunities to contribute

Qualifications

• High-level technical competency and significant experience in a related field.
• HNC or higher is required.
• Ability to create and develop new ideas.
• Experience in preparing project documentation, processes, and reports.
• Demonstrated success in managing stakeholders.
• Strong understanding of BS8888 and ISO-GPS (ISO 8015).
• Ability to check technical drawings per BS8888 and ISO 8015.
• Deep experience in design, manufacture, material selection, welding, fabrication and machining techniques.
• FMEA knowledge: DFMEA/PFMEA.
• Excellent written and verbal communicator.

Responsibilities

• Support Requirements Capture and challenging requirements for waste containers and interface equipment.
• Assist Engineering Activities as defined by the Engineering Manager.
• Provide mentorship to Senior Engineers and Designers.
• Assist in defining product requirements.
• Guide understanding of tolerances on interface drawings.
• Help compile Component Requirements Documents.
• Support site surveys and production/review of survey reports.
• Assist in DFMEA and PFMEA.
• Check drawings and documents for accuracy.
• Identify and apply Lessons Learned to technical tasks.

Skills

Technical competency

Stakeholder management

Communication

DFMEA/PFMEA knowledge

Engineering background

Drawing review

Nuclear design experience

Education

HNC (minimum)

Tools

Inventor CAD

Job description

Assystem is a leading nuclear engineering firm offering diverse roles across the project lifecycle. The position requires high-level technical competency and significant experience in regulated environments.

You will support requirements capture, engineering activities, drawing checks, site surveys, and DFMEA/PFMEA while mentoring junior engineers and designers. The role emphasizes precise documentation, tolerances, and adherence to BS8888 / ISO-8015 standards, with opportunities to contribute