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Our Vacancy

Senior Systems Engineer

  • Defence
  • Permanent /
  • Sunderland
  • 21/06/24
  • On site

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

Every day, our 6,500 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 second in the world for nuclear engineering.

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

Job Description

Your Future Team:

At Assystem, we are pioneers in engineering solutions, pushing boundaries to shape the future. We’re currently seeking a highly skilled and motivated Systems Engineer to join our dynamic Defence Business unit. If you’re passionate about engineering excellence and thrive in a collaborative environment, we want to hear from you.

Your missions:

As a Systems Engineer at Assystem, you’ll be at the forefront of innovation, playing a critical role in the development and management of system and sub-system requirements. Your expertise will ensure the reliability and safety of our nuclear engineering projects, making a significant impact in shaping the future of the industry.


🔹 Contribute to project delivery plans, ensuring objectives and milestones are achieved.

🔹 Collaborate with multidisciplinary teams to drive efficient project outcomes.

🔹 Gather user requirements and translate them into technical specifications.

🔹 Implement Systems Engineering V diagram to guide project processes.

🔹 Develop stakeholder maps and engage relevant stakeholders effectively.

🔹 Utilize use cases to define system behaviour and inform design decisions.

🔹 Implement the Plan Do Check Act (PDCA) cycle to monitor and improve processes.

Why join the community of Switchers?:

🔹  The Group is currently ranked Third in the world for nuclear engineering.

🔹 70% of our managers are promoted from within.

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

🔹 24/7 confidential employee support line for counselling, financial advice, and mental health support.

My profile



🔹 Knowledge of systems engineering principles, processes, and methodologies.

🔹 Proficiency in validation and verification processes.

🔹 Familiarity with Systems Engineering V diagram and RAMI analysis techniques.

🔹 Experience in requirement management tools such as DOORS.

🔹 Familiarity with system integration and interface management.

🔹 Proficiency in functional analysis methodologies like IDEF0.

🔹 Experience in creating Operational Sequence Diagrams (OSDs).


🔹 Bachelor’s degree in Systems Engineering, Mechanical Engineering, or related field.

🔹 Master’s degree preferred.


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.


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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