Electrical Design Engineer - Security Systems

Company Description️ð¡ About Assystem
At Assystem, our mission is to accelerate the global energy transition. With more 8000 Switchers worldwide, we combine engineering excellence and project management with digital innovation to deliver landmark projects like Hinkley Point C, Sizewell C and emerging SMR programmes. In the UK, our engineers are shaping the future of clean, secure energy through pioneering design and collaboration.ð Why Join the Community of Switchers?
You’ll be joining one of the world’s three largest nuclear engineering companies, working alongside leading experts in energy and infrastructure. At Assystem, your future team will support your technical growth while you contribute to projects driving the UK’s low-carbon future.

Job Description

ð This role offers the chance to support a major nuclear power plant project, producing the System Design Manual for critical security and access control systems.
You will define and update key system documentation covering design, operation, sizing, diagrams and associated electrical and I&C content.

Produce and update System Design Manuals for DSI and KKK systems

Define electrical and I&C documentation for integrated security systems

Coordinate with layout, CAD and contractor stakeholders across the project

Support system design maturity reviews and commissioning preparation activities

Manage technical modifications and assess multidisciplinary design impacts

Develop practical solutions to open technical and configuration issues

Review 2D and 3D design consistency with layout engineers

Support commissioning teams with technical inputs and test documentation

Perform peer reviews of I&C documents produced by team members

Qualifications

Nuclear experience is not essential, but is of course welcome. If you have worked within a highly regulated environment, your skills and approach are highly transferable and of strong interest to us.

We also recognise that the perfect candidate rarely exists. If you feel you meet around 80% of the criteria and are motivated to develop further, we would strongly encourage you to apply.

Degree qualified in Electrical Engineering Chartered status desirable, but not essential

Experience with security, surveillance or building systems

Strong technical authorship of system design manuals

Background on operating plants or industrial sites

Understanding of electrical systems documentation and specifications

Able to manage workload and meet documentation deadlines

Strong stakeholder engagement and communication skills

Proactive approach to engineering quality improvement

Additional Informationð Join us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK’s energy future while developing your expertise in a unique environment.

Benefits include:
ð¡ Hybrid Working Opportunity
ð Flexible working hours
ð¡️ Pension scheme (8% company contribution / 4% personal contribution)
ð️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
ð¼ Professional fees reimbursed
ð Employee referral scheme
ð Competitive Sick Pay – Support when you need it
ð Income Protection & 3x Salary Death-in-Service Cover
ðª Free Digital Gym Access – Expert-led fitness classes
ð 24/7 Employee Support Line – Mental health, financial & legal help

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.

Summary Type:
Full-time Function:
Engineering Experience level:
Mid-Senior Level Industry: Mechanical Or Industrial Engineering