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Senior Systems Engineer

Assystem

Hybrid
Derby, England
Full-time
Senior
Salary not listedPosted 3w ago

Real job — pulled straight from Assystem’s careers page · Verified July 25, 2026 · No reposts.

Job description

Assystem is hiring a Senior Systems Engineer — a full-time, based in Derby, England role. Apply directly on Assystem's careers page below.

Senior Systems Engineer

Location: Derby, England, gb

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

Are you a Senior Systems Engineer with experience working with mechanical, electrical, and process systems in a highly regulated industry (Nuclear, Aerospace, Defence, etc.)? Assystem’s Defence & Decommissioning Strategic Business Unit is expanding and we are looking for skilled Systems Engineers for our Defence packages of work.

Your missions:

🎯 Requirement specification production / management

🎯 Interface Management

🎯 System Architecture definition

🎯 System Functional and Interface modelling

🎯 Working with mechanical, electrical and process systems

🎯 Operating requirements management database software (DOORS preferential)

🎯 Operating Model Based Systems engineering Software (Capella preferential)

 

Qualifications

Qualifications/Skills to be successful:

💡 Experience in complex regulated industry essential (i.e. Nuclear, Aerospace, etc.)

💡 Experience in Nuclear industry desirable.

💡 Foundation background in Mechanical or Electrical Engineering is acceptable.

💡 Degree in engineering or STEM subject is mandatory or be able to demonstrate equivalent experience.

💡 Systems thinking and systems engineering processes is mandatory.

💡 Systems engineering training/qualifications desirable.

💡 Willing to accept a candidate with SE experience and a desire to move into this field if they can demonstrate competence.

💡 Experience operating Rationale DOORS software as a practitioner is desirable.

💡 Familiarity with Model Based Systems Engineering is desirable.

💡 Awareness of relevant BS or INCOSE standards desirable

Additional Information

Why Join the Switchers Community?

🔹A dynamic career management policy to enable our employees to progress through our five business lines: operations, project, technical, sales and support functions

🔹Provide opportunities to work on exciting, global projects

🔹Access to an employee assistance programme with free mindfulness, health, wellbeing resources and a confidential support line available 24/7 via phone or text

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

🔹Enhanced sick pay

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.

Security - The incumbent of this role must be a minimum of SC cleared and a sole UK national.

Working arrangements – The incumbent of this role must be able to do hybrid working with the ability to attend the site 3 days per week.

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.

 

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.

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Frequently asked questions

What skills are required for Senior Systems Engineer at Assystem?

The required skills for Senior Systems Engineer at Assystem include: Mechanical Engineering, Electrical Engineering.

What is the seniority level for Senior Systems Engineer at Assystem?

Senior Systems Engineer at Assystem is a Senior level position.

How do I apply for Senior Systems Engineer at Assystem?

You can view the full description and apply for Senior Systems Engineer at Assystem on EchoJobs: https://echojobs.io/job/assystem-senior-systems-engineer-6dsym.