Assystem Logo

Assystem

Senior Mechanical Engineer

Posted 6 Days Ago
Be an Early Applicant
Hybrid
Warrington, Cheshire, England
Senior level
Hybrid
Warrington, Cheshire, England
Senior level
Lead and deliver mechanical work scope for a nuclear project: produce and check detailed design work packs, supervise designers, create GA/layout drawings, calculations and technical files for UK CA/machinery compliance, support testing and execution, and liaise with multi-discipline and plant teams under time and cost constraints.
The summary above was generated by AI
Company 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

Senior Mechanical Engineer

Location: Warrington
Type: Staff / Contract (Inside IR35)

Role Description

🔧 The Mechanical Senior Engineer is required to deliver the mechanical work scope, including production and checking, reporting to a Principal Engineer.

🛠️ They will need to deliver detailed design work packs and supervise designers in the production of layout and detailed design drawings.

🚀 The project is in the latter stages of preliminary design with mock-up parts, with certain assemblies in final manufacturing and testing.

👷 The Mechanical Senior Engineer will be required to support the design through all project phases, testing, and execution of the parts required in this current phase.

🤝 They will work closely with the multi-discipline design team and plant-based team.

📋 The role includes guiding Mechanical Designers and Engineers in the production of detail drawings, sub-assemblies, GA, layout drawings, flow diagrams, and parts lists.

📐 May be required to produce calculations to verify detailed design and design substantiation.

📁 The production and compilation of technical files for machinery/UK CA compliance (e.g., RA’s, O&M manuals, etc.) will also be a requirement.

Qualifications

Essential Experience & Qualifications

✅ Experience of working within a highly regulated industry, preferably within the nuclear industry.
🛠️ Familiarity with ‘Design for Assembly’ within a nuclear facility.
📈 Ability to manage own workload and drive the completion of the work scope.
📘 Strong understanding of delivering mechanical designs in the nuclear sector.
📂 Experience in producing technical files (UK CA and machinery directive compliance).
🛡️ Knowledge of machining and fabrication manufacturing processes.
📊 Experience in producing and checking mechanical engineering calculations and deliverables.
🤝 Skilled in liaising with key stakeholders and other design disciplines.
✍️ Competent report writing skills for clear and concise findings.
⏳ Comfortable working under time and cost constraints.
💬 Excellent communication skills with team members and the Client.

Additional Information

Security clearance:

Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level.

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.

Similar Jobs

Yesterday
In-Office
Ware, East Hertfordshire, Hertfordshire, England, GBR
Senior level
Senior level
Hardware • Security • Software • Cybersecurity
Design rugged enclosures and mechanisms for long-range surveillance cameras using SolidWorks. Produce production-quality drawings, test and verify prototypes, support manufacturing and suppliers, perform design reviews, and document designs for manufacture, assembly, and environmental requirements (e.g., IP67, -40°C, marine conditions). Collaborate across engineering teams and troubleshoot production issues.
Top Skills: 3D PrintingBomFeaIp67Laser CuttingMachiningSolidworksThermal Simulation
3 Days Ago
In-Office
Senior level
Senior level
Biotech
Lead sustaining engineering and DFM for cell-sorting instruments, managing design changes, supplier technical partnerships, root-cause investigations, and design verification. Collaborate with optics and electronics teams to ensure mechanical designs meet tolerance, stiffness, and thermal stability requirements; design and test precision mechanical, opto-mechanical, and electro-mechanical assemblies using SolidWorks.
Top Skills: CadDfaDfmDfmeaDimensional TolerancingElectro-Mechanical SystemsGd&TIso 13485MicrofluidicsOpto-MechanicsSolidworksTolerance Stack-Up Analysis
Senior level
Aerospace • Security • Software
Design and verify mechanical sub-assemblies for avionics mission computing systems. Produce detailed CAD (Creo) layouts and manufacturing drawings, perform FEA and CFD, generate BOMs, mentor junior engineers, support estimating, testing, supplier/customer meetings, and deliver technical reports and solutions within time and cost constraints.
Top Skills: Bs8888CatiaComputational Fluid Dynamics (Cfd)Creo ParametricCreo SimulateFinite Element Analysis (Fea)Flotherm XtSiemens NxSolidworks

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account