Mechanical Commissioning Engineer

Highfield Professional Solutions Ltd; England; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading engineering consultancy is seeking a Commissioning Engineer (Mechanical) for the Sellafield Site. The role offers competitive pay of up to £50 per hour and flexible working patterns on a nationally significant project. Candidates should have proven experience in nuclear systems commissioning and a background in regulated industries. An immediate start is available for those with the necessary qualifications.

Benefits

Competitive pay up to £50 per hour

Flexible working patterns

Qualifications

• Proven experience in nuclear mechanical systems commissioning.
• Background in highly regulated industries - nuclear experience essential.
• Competent with Microsoft Office and Excel-based calculations.

Responsibilities

• Deliver assigned commissioning tasks safely and effectively.
• Control, witness, record, and assess commissioning test results.
• Plan and deliver commissioning activities on schedule and within budget.
• Maintain a focus on nuclear and environmental safety.

Skills

Experience in nuclear mechanical systems commissioning

Proficiency in Microsoft Office and Excel-based calculations

Understanding of project management principles

IOSH Managing Safely certification

Education

Minimum HNC/HND in Engineering discipline

Job description

Overview

Commissioning Engineer (Mechanical) - Sellafield Site

Location: Sellafield, Cumbria

Pay: Up to £50 per hour (Inside IR35)

Contract: Full-time, site-based (4 on 4 off rotation or standard site hours)

Start Date: ASAP

Duration: Until April 2026

Responsibilities

• Deliver assigned commissioning tasks safely and effectively in line with established procedures.
• Control, witness, record, and assess commissioning test results, especially where they impact safety.
• Plan and deliver commissioning activities on schedule and within budget.
• Maintain a strong focus on nuclear, radiological, conventional, and environmental safety. Liaise with internal and external stakeholders to coordinate activities and permissions.
• Review commissioning documentation and test outcomes for accuracy and compliance.
• Contribute to related project processes, including design reviews, HAZOPs, and risk assessments.

Essential Experience & Qualifications

• Proven experience in nuclear mechanical systems commissioning.
• Background in highly regulated industries - nuclear experience essential, Sellafield experience preferable.
• Minimum HNC/HND in an Engineering discipline (or equivalent).
• Competent with Microsoft Office and Excel-based calculations.
• Understanding of project management principles (APM membership desirable).
• IOSH Managing Safely and valid trade card required.
• Must be able to obtain BPSS and P4 security clearance.

Why Join

• Work on a nationally significant project at Sellafield.
• Competitive pay - up to £50 per hour (Inside IR35).
• Flexible working pattern - 4 on 4 off rotation or standard site hours.
• Immediate start available