Mechanical Engineers - Bristol / Bridgwater

Assystem; Bridgwater; Hybrid; GBP 40,000 - 72,000; Full time

Benefits offered by this job

Hybrid working

Flexible hours

Pension (8% company)

25 days annual leave

Professional fees reimbursed

Employee referral scheme

Sick pay

Income protection

Death-in-Service

Digital gym access

Employee support line

Job summary

Assystem is recruiting for roles within Bridgwater/Bristol commuting distance, offering hybrid working arrangements. The positions focus on delivery, commissioning and operational readiness of critical nuclear mechanical systems across piping, HVAC and process installations.

You will engage with multidisciplinary teams, drive safety compliance and manage interfaces through complex project milestones. Applicants should have a mechanical engineering background with experience in regulated

Qualifications

• Mechanical engineering degree or equivalent with experience.
• Experience in mechanical systems, equipment or engineering delivery.
• Experience in regulated/safety-critical environments.
• Strong communication and stakeholder management.
• Nuclear/energy/defence or major infrastructure experience advantageous.

Responsibilities

• 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.

Skills

Mechanical engineering

Mechanical systems experience

Piping & HVAC

Regulated environments

Stakeholder management

Education

Bachelor's degree in Mechanical Engineering

Job description

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.

Job Description

These opportunities are suited to candidates within commuting distance of Bridgwater or Bristol, depending on role requirements.

• 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.

Qualifications

• Mechanical Engineering degree or relevant technical qualification and experience.
• Experience in mechanical systems, equipment or engineering delivery.
• Background in piping, HVAC, rotating equipment, pressure systems, valves, pumps or diesel generators would be 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.

Additional Information

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.