Mechanical Building Service Engineer
About Assystem
At Assystem, our mission is to accelerate the energy transition worldwide. 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. Join us in revolutionizing the energy sector and making a significant global impact.
Why Join the Community of Switchers?
Be part of one of the top three largest nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.
You will support the delivery of mechanical building services designs across critical ancillary nuclear facilities.
The role spans design review, technical coordination and onsite engineering support during installation phases.
Review mechanical building services execution designs against NNB technical specifications
Support development of scopes for early-stage mechanical design packages
Coordinate closely with multidisciplinary teams and respective Contract Engineering Leads
Challenge supplier proposals where designs diverge from agreed project requirements
Maintain focus on health, safety and quality management compliance standards
Ensure Lifetime Quality Records documentation remains complete and accurately maintained
Support technical resolution of onsite queries, changes and non-conformance reports
Manage interfaces with stakeholders, contractors, consultants and wider project delivery teams
Support reporting, escalation activities and risk mitigation meetings when required
Assist development of final operation and maintenance manuals for completed facilities
Degree qualified in Mechanical Engineering or related engineering discipline
Strong mechanical building services engineering experience within complex building projects
Experience delivering designs from concept through commissioning and handover stages
Knowledge of UK building regulations, CIBSE standards and engineering procedures
Experience managing and coordinating multidisciplinary building design activities
Strong understanding of RIBA Plan of Work and BSRIA guidance
Excellent communication, stakeholder engagement and collaborative teamworking abilities
Ability to work proactively, independently and manage competing project priorities
Experience applying QA processes, configuration control and quality management principles
Fluent English communication skills; French language capability would be advantageous
Why Apply?
Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.
Your Benefits Package
Hybrid Working - Flexibility to work from home and the office
25 Days Annual Leave + Bank Holidays
Buy & Sell Holiday - Make your time off work for you
8% Company Pension Contributions
Income Protection & 3x Salary Death-in-Service Cover
Competitive Sick Pay - Support when you need it
Healthcare Cash Plan - Claim back on dental, optical & more
Free Digital Gym Access - Expert-led fitness classes
Exclusive Discounts - Restaurants, days out & top brands
24/7 Employee Support Line - Mental health, financial & legal help
Cycle to Work Scheme - Save money & go green
Free Flu Jabs & Eye Test Vouchers
Paid Professional Membership Fees
Volunteer Days - Make a difference on company time
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.
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.