Senior Mechanical Engineer

Sorry, this job was removed at 10:10 a.m. (CST) on Thursday, Oct 30, 2025
Be an Early Applicant
Sunderland, Tyne & Wear, England
In-Office
Energy
The Role
Company Description

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all.

Job Description

Your future team:

Assystem’s Defence Business is looking to grow its capabilities and permanent staff headcount at Senior Mechanical Engineer level in the face of an ever-increasing order book.  The major emphasis would be to undertake Assystem controlled work packages for nuclear and marine clients on a hybrid basis from our offices in Sunderland, Glasgow, Derby, Blackburn, or Bristol.

Your missions:

As a Senior Mechanical Engineer, you will be taking the lead on assigned project tasks, providing feedback of technical development and project delivery to management, and providing technical guidance to other team members.

🔧 Contribute to the research and development of mechanical design packages for a variety of clients

🔧 Assist in proposal writing and other related bidding activities when required

🔧 Produce details of specifications and outline designs

🔧 Create and review technical drawings, plans, and specifications using computer software

🔧 Develop, test, and evaluate theoretical designs

🔧 Ensure products are reliable and perform consistently in specified operating environments

🔧 Use research, analytical, conceptual, and planning skills, particularly those in mathematical modelling and computer-aided design

🔧 Support site construction and commissioning work as required

Why join the community of Switchers?

💥 25 days of annual leave + bank holidays

💥 8% company pension contributions

💥 Healthcare cash-plan to get money back on dental, medical, physical care.

💥 Get professional and industry membership fees paid for!

💥 Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs

Qualifications

Qualifications/Skills to be successful

⚙️ Minimum 2:1 BEng qualification in Mechanical Engineering (or equivalent). Master’s level qualifications are preferable.

⚙️ Working level experience of the European standards is desirable, for example Eurocode 3.

⚙️ Familiarity with FEA and preferably user level experience of ANSYS Workbench.

⚙️ Ideally familiar with Autodesk Inventor software.

⚙️ An appreciation for the engineering design cycle of mechanical designs from Concept through to Manufacture.

⚙️ Full driving licence and ability to travel within UK.

Additional Information

Staff position

Hybrid working with c. 2 days/week in office as meets the need of individual, company and project

Sole UK Nationals, SC required but can commence employment with BPSS

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

In-Office
St Albans, Hertfordshire, England, GBR
51000 Employees
In-Office
London, England, GBR
51000 Employees
In-Office
Croydon, Surrey, England, GBR
51000 Employees
In-Office
Basingstoke, Hampshire, England, GBR
51000 Employees
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
Courbevoie
6,975 Employees

What We Do

Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition. We see ourselves as an activist in the development of nuclear energy, convinced that it is an essential part of the fight against climate change. 7,000 switchers, spread in 12 countries in Europe, Asia, Africa and the Middle East are working every day to make the energy switch by accelerating the development of nuclear and renewable energies, power grids, clean hydrogen projects and low-carbon transport. We design and supervise major projects through our engineering activities and accelerate our customers' digital transformation. We also develop new solutions to build faster and improve the performance of complex infrastructures. 55 years of experience have made Assystem a key partner of the world's largest industrial groups: CEA, EDF, ENEC, Enedis, Engie, Framatome, ITER, K.A. CARE, Naval Group, NICDC, Orano, RATP, Rolls Royce, Royal Commission, Sellafield, SGP, SNCF... Assystem is ranked in the Top 3 companies in the nuclear energy sector.

Similar Companies Hiring

UL Solutions Thumbnail
Software • Renewable Energy • Professional Services • Energy • Consulting • Chemical • Automotive
Chicago, IL
15000 Employees
Runwise Thumbnail
Software • Real Estate • PropTech • Hardware • Greentech • Energy
New York, NY
199 Employees
Energy CX Thumbnail
Utilities • Professional Services • Greentech • Financial Services • Energy • Consulting • Business Intelligence
Chicago, IL
108 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account