Mechanical Field Engineer

⚡️💡 About Assystem

At Assystem, we are committed to accelerating the global energy transition. With 7,500 employees worldwide, our Switchers combine deep engineering expertise with cutting-edge digital tools to drive progress in the energy sector. In the UK, we are proud to play a leading role in major nuclear programmes, helping to build a cleaner and more secure energy future.

🤝 Why Join the Community of Switchers?

You’ll be joining one of the top three largest nuclear engineering companies in the world. Our teams are embedded in some of the UK’s most critical energy projects, where your skills will shape long-term infrastructure. Collaborate with high-performing engineers and contribute to projects that matter—for today and the future.

🚀 The Job Mission

This is a site-facing role focused on Mechanical construction quality surveillance.

You’ll monitor contractor activities to ensure quality standards are met.

You’ll work within a wider team supporting construction progress and compliance.

Your key responsibilities will include:

• Performing surveillance on mechanical works: static/rotating equipment, piping and welding.
• Ensuring works meet the Contractor’s Work Information and quality standards.
• Reporting any deviations, non-conformities, or technical issues observed.
• Supporting open issue resolution with Construction and Quality teams.
• Contributing surveillance data to site-wide KPIs and reporting tools.
• Checking inspection records are complete before works are covered.
• Reviewing contractor performance against authorised quality plans.
• Promoting safe construction aligned with quality and design governance.

🛠 Essential Skills and Qualifications

• Mechanical Engineering qualification or equivalent trade experience
• Proven experience in pipework, HVAC, vessels, and mechanical installations
• QA/QC familiarity, including torque checks and punchlists
• Comfortable with SharePoint, Excel, Teams, and Outlook
• Solid grasp of ISO9001, GQAS, BTS, and BST requirements
• Clear, concise technical writing and diary keeping skills
• Ability to work independently while maintaining professional diplomacy
• Capable of identifying issues and escalating appropriately

✔️ Desired Skills

• Experience with large rotating equipment installations
• Knowledge of CDM regulations and drawing/document control
• Previous work on large construction or infrastructure sites
• Familiarity with mobile data capture tools
• French language skills are a bonus

🌟 This is your chance to shape one of the UK’s most vital infrastructure projects, working alongside experts in a fast-moving, impactful sector. If you’re ready to drive engineering excellence, we want to hear from you.

Benefits include:

🏡 Hybrid Working Opportunity

🛡️ Pension scheme (8% company contribution / 4% personal contribution)

✅ 25 days’ paid annual leave + bank holidays + option to buy or sell days

💼 Professional fees reimbursed

🕒 Flexible working hours

💰 Employee referral scheme

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.