Construction Project Engineer
Assystem
Provides engineering, project management & digital solutions for complex infrastructure in regulated sectors.
Description
scope delivery
specs development
progress monitoring
risk management
team coordination
documentation
Join one of the three largest nuclear engineering companies in the world. Here, you'll work on world‑class energy‑transition missions, collaborating with top teams delivering Hinkley Point C, Sizewell C and SMRs. Become part of an elite global community, driving innovation and excellence every day.
We are looking for a Construction Project Engineer – Mechanical. In this role, you’ll work closely with project and site teams to ensure the mechanical scope is delivered to the highest safety, quality, schedule, and cost standards. You’ll take responsibility for technical leadership, documentation, and effective stakeholder coordination.
- Lead mechanical scope delivery aligned to project execution plans.
- Promote and uphold rigorous health, safety, environmental and quality standards.
- Maintain up‑to‑date project documentation: PEPs, quality plans and briefs.
- Facilitate and chair mechanical‑focused project meetings, ensuring contract compliance.
- Develop technical specifications in collaboration with construction and commissioning teams.
- Identify and manage mechanical‑related risks and issues, escalating when needed.
- Monitor mechanical progress, costs and schedules against project milestones.
- Coordinate multi‑disciplinary teams including suppliers and installation contractors.
Requirements
mechanical eng
project management
procurement
h&s
quality assurance
ms office
- Familiarity with CDM regulations and H&S at Work legislation.
- Ability to manage budgets, schedules and commercial frameworks.
- Experience in a highly‑regulated industry.
- Degree in Mechanical Engineering.
- Prior involvement in procurement and tender processes.
- Exposure to pre‑operations or commissioning teams.
- Strong command of project management principles (APM).
- Proficient in safety‑critical environments with strong H&S culture.
- Knowledge of Quality Assurance systems and governance frameworks.
- Solid experience delivering projects from concept to operation.
- Skilled in Word, Excel, and PowerPoint for project documentation.
Benefits
🏥 Income Protection & 3× Salary Death-in-Service Cover
🏡 Hybrid Working Opportunity
💰 Employee referral scheme
💼 Professional fees reimbursed
📞 24/7 Employee Support Line – Mental health, financial & legal help
This position is based in Bridgwater with hybrid working (three days in the office, two from home). Relocation assistance is available for those moving closer to site.
💪 Free Digital Gym Access – Expert-led fitness classes
🕒 Flexible working hours
🏖️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
🤒 Competitive Sick Pay – Support when you need it
🛡️ Pension scheme (8% company / 4% personal)
Training + Development
Interview process
Visa Sponsorship
Security clearance
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Overview
1966 founding
Year of establishment
The company was established in 1966, marking its inception as a global engineering powerhouse.
12 countries
Global presence
Operates across 12 countries, indicating significant international reach.
Revenue €611M
Annual revenue
Generates around €611 million annually, driven by strategic acquisitions.
- Leads EPR nuclear projects across locations.Opens external site
- Shapes energy transition through various sectors.
- Champions digital innovation for optimal performance.
- Operates across nuclear, renewables, transport, and hydrogen sectors.
- Engages in advanced fusion research and development.
Culture + Values
- Daring (Making suggestions / Taking initiative)
- Being customer‑oriented (Listening / Commitment / Collaboration)
- Being a team player (Collaboration / Responsibility / Sharing one’s knowledge)
- Being results‑oriented (Self‑sufficiency / Dedication / Perseverance)
- Agility (Adaptability / Curiosity / Responsiveness)
- Enthusiasm (Eagerness / Drive / Sociability)
- Endurance (Valour / Tenacity / Involvement / Resilience)
- Autonomy, empowerment, quality and trust
Environment + Sustainability
42% Emissions Reduction
Scopes 1 & 2 Target
Aims to reduce emissions by 42% by 2030 compared to 2022 baseline.
51.6% Scope 3 Reduction
Per Full-Time Equivalent
Committed to reducing Scope 3 emissions by 51.6% per full-time employee by 2030.
Triple Nuclear Capacity
Global Expansion Goal
Supports tripling global nuclear energy capacity by 2050 as part of the Net Zero Nuclear pledge.
Top 15% Rating
Ecovadis Sustainability
Achieved an Ecovadis Silver rating, placing it in the top 15% of assessed companies.
- Targets validated by the Science Based Targets initiative (SBTi) as Paris-aligned
- Signatory of the World Nuclear Association’s Net Zero Nuclear pledge to triple global nuclear capacity by 2050
- Developing low-carbon electricity solutions (nuclear and renewables, grid renovation, green hydrogen)
- Switch & Act for Climate programme to raise climate awareness and drive energy transition actions
Inclusion & Diversity
30%
Women Among New Hires
Recognizes the proportion of women among new hires in the organization.
60%
Internal Promotions
Percentage of high-responsibility positions filled through internal promotions.
70%
Local Managers Promoted
Percentage of local managers promoted from within the organization.
- Recruitment based solely on skills and daring; equal treatment for all candidates
- Assystem supports gender-balance in STEM via partnerships with women-focused engineering events (e.g., APPG Women Leading STEM)