Mechanical Engineer

Mechanical Engineer

Bristol Full-Time 43200 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join us as a Mechanical Engineer, supporting the UK submarine programme with safety and technical assessments.
  • Company: Amentum is dedicated to empowering talent within a diverse and supportive team environment.
  • Benefits: Enjoy flexible working hours, free medical cover, enhanced parental leave, and professional development reimbursement.
  • Why this job: Be part of a culture that values safety, integrity, and diversity while making a real impact.
  • Qualifications: Degree in engineering or science; strong communication skills and teamwork are essential.
  • Other info: We welcome applications from all backgrounds and offer support for flexible working arrangements.

The predicted salary is between 43200 - 72000 £ per year.

Overview

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.

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.

About The Opportunity

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.

Are you an ambitious Mechanical Engineer with strong experience in piping design, manufacturing, or welding? Looking to step into a Technical Engineering role on one of the UK\’s most complex nuclear engineering projects?

This is an opportunity to support the RMI Contract Engineering Lead (CEL) on Hinkley Point C—providing technical assurance, document reviews, and design validation for safety‑critical insulation systems. Key responsibilities:

  • 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.

Why Apply?

This is a rare chance to grow into a recognised technical leadership role within one of the most prominent megaprojects in the UK, with exposure to high‑complexity engineering interfaces and career‑defining experience.

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.

We partner with VERCIDA; for greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

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Mechanical Engineer employer: Amentum

At Amentum, we pride ourselves on being an exceptional employer, offering a supportive and diverse work environment that prioritises employee well-being and professional growth. Our competitive benefits package includes free medical cover, family-friendly policies, and opportunities for career development, all while fostering a culture of inclusion and community engagement. With a focus on work-life balance and flexible working arrangements, we empower our Mechanical Engineers to thrive in their roles and contribute meaningfully to the UK submarine programme.
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Contact Detail:

Amentum Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Mechanical Engineer

✨Tip Number 1

Familiarise yourself with the specific technical requirements mentioned in the job description, such as knowledge of Pressurised Water Reactor systems and nuclear safety case requirements. This will help you demonstrate your understanding during interviews.

✨Tip Number 2

Network with professionals in the nuclear engineering field, especially those who have experience with naval propulsion systems. Engaging with industry experts can provide insights and potentially lead to referrals.

✨Tip Number 3

Prepare to discuss your interpersonal skills and teamwork experiences, as these are crucial for the role. Think of examples where you've successfully collaborated on complex projects or resolved conflicts.

✨Tip Number 4

Research Amentum's culture and values, particularly their commitment to inclusion and diversity. Be ready to articulate how your personal values align with theirs during the interview process.

We think you need these skills to ace Mechanical Engineer

Mechanical Engineering Principles
Nuclear Safety Assessment
Technical Documentation Review
Communication Skills
Interpersonal Skills
Problem-Solving Skills
Knowledge of Pressurised Water Reactor Systems
Understanding of ASME B&PV Code Section III
Familiarity with Ageing/Failure Mechanisms
Experience with High Integrity Mechanical Handling Equipment
Mechanical Design Standards
Nuclear Safety Case Requirements
Office for Nuclear Regulation (ONR) Knowledge
Team Collaboration
Willingness to Travel

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience and qualifications that align with the Mechanical Engineer role. Emphasise your degree or postgraduate qualification in engineering or a scientific discipline, and any specific projects related to nuclear propulsion systems.

Craft a Strong Cover Letter: Write a compelling cover letter that showcases your understanding of the role and the company’s values. Mention your communication skills and ability to work in a team, as these are essential for the position.

Highlight Relevant Skills: In your application, clearly outline your technical skills and knowledge related to nuclear safety and mechanical systems. If you have experience with Pressurised Water Reactor systems or familiarity with ASME B&PV Code, make sure to include this information.

Showcase Your Commitment to Diversity: Reflect on how you can contribute to the company’s culture of inclusion and diversity. Share any experiences or perspectives that demonstrate your commitment to these values, as they are important to the employer.

How to prepare for a job interview at Amentum

✨Understand the Role

Make sure you thoroughly understand the responsibilities of a Mechanical Engineer in the context of nuclear propulsion. Familiarise yourself with the specific tasks mentioned in the job description, such as safety assessments and technical evaluations.

✨Showcase Your Communication Skills

Since developed communication skills are essential for this role, prepare to demonstrate your ability to convey complex technical information clearly. Practice explaining technical concepts in simple terms, as you may need to present your findings to various stakeholders.

✨Highlight Relevant Experience

Be ready to discuss your experience with mechanical systems, especially those related to nuclear safety. If you have knowledge of Pressurised Water Reactor systems or relevant mechanical design standards, make sure to bring these up during the interview.

✨Emphasise Teamwork and Flexibility

This role requires good interpersonal skills and a willingness to travel. Prepare examples of how you've successfully worked in teams and adapted to changing project requirements, showcasing your flexibility and collaborative spirit.

Mechanical Engineer
Amentum
Location: Bristol

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