Principal Process Engineer

Assystem GmbH; Warrington; On-site; GBP 70,000 - 110,000; Full time

Job summary

Assystem GmbH in Warrington, United Kingdom, is seeking a Principal Process Engineer to join a nuclear project on-site. You will produce process engineering deliverables, work within a multi-discipline design team, and develop process descriptions, schematics, safety bases, and calculations to support the Appraise and Select phase.

Essential qualifications include a degree in chemical engineering, proactive work style, and strong communication and reporting skills.

Qualifications

• Degree in Chemical Engineering is required.
• Chartered status is a plus.
• Experience with nuclear industry design and safety is desirable.
• Experience with Sellafield Ltd procedures is a plus.

Responsibilities

• Produce process engineering deliverables to support the Appraise and Select design phase.
• Work within a multi-discipline design team.
• Develop process descriptions, process schematics, basis of process safety, and underpinning calculations.

Skills

Communication skills

Report writing

Proactive

Time/budget constraints

Nuclear project experience

Team collaboration

Education

Degree in Chemical Engineering

Chartered Chemical Engineer

Job description

# Principal Process Engineer* Nuclear* Permanent /* Warrington* United Kingdom* 08/08/26* On site* ShareI apply##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**Principal Process Engineer****Location:** Warrington **Staff / Contract (Inside IR35)****Project Description:**The project requires the following at a high level:* **Mobilisation of residual solids** in legacy effluent management tanks* **Retrieval of solids** from tanks* **Separation of solids** from adhering nuclear inventory* **Routing of recovered nuclear inventory** for onward processing* **Packaging and routing of residual solids** for onward encapsulation (ILW and LLW)**Role Description:*** **Produce process engineering deliverables** to support the “Appraise and Select” design phase* Work within a **multi-discipline design team*** Key deliverables will include: + **Process description** + **Process schematics** + **Basis of process safety** + **Underpinning calculations**## My profileEssential Experience & Qualifications:* **Degree in Chemical Engineering** – A formal educational background in Chemical Engineering is a must.* **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.****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.