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Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. 🚀 These opportunities are suited to candidates within commuting distance of Bridgwater or Bristol, depending on role requirements. We are seeking Mechanical Engineers across Graduate, Engineer, Senior, Lead and Principal levels. You will support the delivery, commissioning and operational readiness of critical nuclear mechanical systems. 🔧Deliver engineering solutions across mechanical, piping, HVAC and process systems ⚙️Support commissioning, testing and validation of mechanical systems 🏗️Contribute to construction, installation and equipment engineering activities 🚀Support system turnover, handover and operational readiness programmes 🔍Resolve technical issues, site queries and engineering challenges 🤝Coordinate contractors, suppliers and multidisciplinary project stakeholders 📋Review technical documentation, design changes and construction modifications 🛡️Ensure compliance with nuclear safety, quality and regulatory requirements 🔗Manage interfaces across engineering, construction and commissioning teams 📈Support major project milestones through to operational readiness 🎓Mechanical Engineering degree or relevant technical qualification and experience ⚙️Experience in mechanical systems, equipment or engineering delivery 🔧Background in piping, HVAC, rotating equipment or pressure systems advantageous 🚀Commissioning, testing, installation or construction experience highly valued 🏗️Experience delivering complex engineering or infrastructure projects 🛡️Experience working within regulated or safety-critical environments 🤝Strong communication and stakeholder management capabilities 🔍Excellent technical problem-solving and analytical skills 📋Commitment to quality, safety and engineering excellence ⚡Nuclear, energy, defence or major infrastructure experience advantageous 🌟 Build Your Future in Nuclear Engineering Whether you are beginning your engineering career or bringing decades of specialist experience, this is an opportunity to contribute to one of the UK's most significant infrastructure projects. Join a global engineering community, work on complex nuclear systems and build a career around missions that will have an impact for generations. Benefits include: 🏡 Hybrid Working Opportunity 🕒 Flexible working hours 🛡️ Market Leading Pension scheme (8% company contribution / 4% personal contribution) 🏖️ 25 days’ paid annual leave + bank holidays + option to buy or sell days 💼 Professional fees reimbursed 💰 Employee referral scheme 🤒 Competitive Sick Pay – Support when you need it 🏥 Income Protection & 3x Salary Death-in-Service Cover 💪 Free Digital Gym Access – Expert-led fitness classes 📞 24/7 Employee Support Line – Mental health, financial & legal help NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.
