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Senior Process Designer

Job in Whitehaven, Cumbria County, CA28, England, UK
Listing for: Assystem GmbH
Full Time position
Listed on 2026-02-19
Job specializations:
  • Engineering
    Electrical Engineering, Mechanical Engineer, Systems Engineer, Energy Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Our Vacancy# Senior Process Designer
* Nuclear* Permanent /
* Whitehaven* United Kingdom
* 17/02/26
* On site
* Share Assystem is an international company with one mission: accelerate the energy transition around the world.  Every day, our 8,000 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 second in the world for nuclear engineering.  To ensure a viable, efficient, and reliable energy future for all.##

Job Description
** Process Designer
***
* Location:

** Whitehaven   
** Staff / Contract (Inside IR35)
**** Project

Description:

** The project requires the following at a high level:
* Experience of working within a highly regulated industry, preferably within the nuclear industry.
* Experience delivering safe, fit-for-purpose, fully integrated and operable design solutions that meet product requirements.
* Experience producing design deliverables such as product requirements specifications, technical reports, calculations, technical drawings and layouts, installation method statements, risk assessments and design substantiation.
* Ability to liaise with stakeholders across a wide range of specialist areas and at all levels from both technical and non-technical backgrounds.
* Peer review/checking of reports, drawings (proposal & detail drawings) and supporting calculations.
** Role

Description:

**
* ** To produce engineering design work
** packages (specification, drawings, analysis, verification or assessment of engineering) that satisfy the legal and functional requirements along with the associated performance conditions to the agreed time, cost and quality
* Work within a
** multi-discipline design team
*** Key deliverables will include:  +  
** Process description**  +  
** Process schematics**  +  
** Basis of process safety**  +
** To be primarily site based on Sellafield site
** to provide support to projects that are in the execution phase.

Essential Experience &

Qualifications:

* ** Degree in Process Engineering
** with a minimum of 2 years’ design delivery experience OR other qualification such as HNC and HND, with 5 or more years design delivery experience
* ** Proactive and driven approach to work** – Ability to take initiative and remain motivated.
* ** Good communication skills** – Capable of collaborating with team members from different disciplines and effectively communicating ideas and solutions.
* ** Competent report writing skills** – Ability to document findings clearly and concisely, ensuring all reports are well-structured and easy to understand.
* ** Comfortable under time and cost constraints** – Able to work efficiently under deadlines and within budget limitations.

Desirable Experience &

Qualifications:

* ** Chartered Chemical Engineer** – Chartered status with the Institution of Chemical Engineers (IChemE) or Engineering Council (EC) is a plus.
* ** Experience with Sellafield Ltd procedures** – Familiarity with the procedures for checking and approval within Sellafield Ltd.
* ** Experience in nuclear industry design delivery** – Prior involvement with designing and delivering projects in the nuclear sector.
* ** DESEAR** – Experience or knowledge of the Design Engineering Safety Assessment and Risk Management (DESEAR) process.
** 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.
** 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.
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Position Requirements
10+ Years work experience
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