Mechanical Engineer

Amentum; Bristol; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm in the UK is seeking a skilled engineering professional to provide technical assurance and support for nuclear projects at Hinkley Point C. The ideal candidate will hold a degree in Mechanical Engineering and possess experience in piping design, along with strong skills in document reviews and compliance with engineering standards. This role offers opportunities for professional development within a collaborative team environment that values innovation and integrity.

Benefits

Free single medical cover

Enhanced parental leave pay

Reimbursement for professional development

Flexible working hours

Qualifications

• Degree in Mechanical Engineering or similar is required.
• Experience in piping design or major engineering projects is desirable.
• Proficiency in document reviews and compliance checks.

Responsibilities

• Support the RMI Contract Engineering Lead with technical assurance.
• Review and validate piping calculations and contractor design files.
• Perform basic engineering calculations to confirm design intent.

Skills

Piping design

Document reviews

Engineering standards compliance

Manufacturing fundamentals

Problem-solving

Education

Degree (MSc/BEng/MEng) in Mechanical Engineering or similar

Job description

Overview

Energy Programmes is one of our newest Business Units and has been formed with the vision to support positive change and help shape the future of Nuclear Power. Our embedded teams are delivering support to Hinkley Point C (New build power station in the South West), Sizewell C (located in the South East), helping develop technologies in SMR (Small modular Reactor) capability and working towards building Poland's first Energy Power station. Working in both client facing and internal roles we are delivering major programme and project management capabilities throughout the project lifecycle. We are driving to deliver safe, high quality and to time solutions by thinking innovatively and working collaboratively.

Role and Responsibilities

• Support the RMI Contract Engineering Lead (CEL) on Hinkley Point C by providing technical assurance, document reviews, and design validation for safety-critical insulation systems.
• Review and validate piping calculations, layouts, contractor design files, and manufacturing documentation.
• Perform basic engineering calculations to confirm design intent.
• Assess compliance against ISO standards and multiple specifications.
• Provide technical insight into manufacturing and welding processes, including spot-welded assemblies.
• Act as a Technical Lead, supporting issue resolution and alignment with mechanical/piping design sequences.
• Collaborate closely with the RMI Contract Engineering Lead.

Qualifications

• Degree (MSc/BEng/MEng) in Mechanical Engineering or similar.
• Experience in piping design, nuclear or major engineering project background desirable.
• Strong skills in document reviews, compliance checks, and navigating engineering standards.
• Good understanding of manufacturing/welding fundamentals.
• Someone approaching chartership, capable of independent technical judgement.
• Excellent communication and a proactive, problem-solving mindset.

Additional Information

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities.

Culture and Benefits

Our Culture Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work. When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you'd expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work-life balance and flexibility is a key focus area for us. We're happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.