Overview
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 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.
Your future team
We are seeking a highly capable Senior EC&I Engineer to support and lead engineering activities across a diverse portfolio of Defence work packages.
This role spans the full engineering lifecycle — from early requirements and concept development through to detailed design, technical governance and assurance.
As a Senior EC&I Engineer, you will work independently with minimal supervision, lead small discipline teams, support and mentor engineers, and take responsibility for producing high-quality engineering outputs. You will be central to shaping technical solutions, ensuring designs are safe, compliant, cost-effective, and aligned with client and regulatory expectations.
Your missions
- Develop EC&I and control system concepts from requirements through to detailed design
- Apply systematic engineering methods to ensure safe, compliant and cost-effective designs
- Produce technical solutions with minimal supervision, meeting client and project needs
- Use strong EC&I engineering knowledge and awareness of relevant technologies
- Apply applicable standards and regulations, including BS 7671 and LVD
- Identify, assess and mitigate design risks across the engineering lifecycle
- Consider environmental impacts in design and implementation decisions
- Support verification, validation and technical substantiation activities
- Build trust and maintain strong stakeholder relationships
- Collaborate effectively with multidisciplinary engineering teams
- Mentor and support junior engineers in developing their skills
- Promote good engineering practice, process adherence and professional standards
- Check and verify engineering work produced by others
Why join the community of switchers?
- The Group is currently ranked second in the world for nuclear engineering.
- 70% of our managers are promoted from within.
- Buy and sell annual leave to make your time off work for you.
- Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs
Qualifications
Experience/Qualifications:
- A degree in Electrical, Instrumentation or Control Engineering, or HNC/HND with substantial relevant experience
- A minimum of three years’ experience at Engineer grade or in an equivalent role
- Membership of a relevant institution (IET, IMC) and working towards Chartered status
- Strong experience delivering EC&I engineering in detailed design environments
- Proven ability to independently develop EC&I technical solutions meeting client and regulatory requirements
- Experience supervising others, providing technical oversight and leading small engineering teams
- Ability to check and review engineering work produced by others
- Strong communication skills, engaging effectively with technical and non-technical stakeholders
- Commitment to professional development and supporting others to grow their skills
Desirable Experience/Qualifications:
- Machinery design compliant with the Supply of Machinery (Safety) Regulations 2008 (Machinery Directive 2006/42/EC)
- Experience with nuclear safety cases and classification of Structures, Systems and Components
- Experience with Functional Safety Standards
- Experience working on BIM-enabled projects
- Knowledge of front-end safety system design, including legislation, standards and activities such as FMECA, HAZOP and HAZID
- Knowledge of electrical systems design, including calculations and EMC assessment
- Experience of software, hardware or embedded programming for machinery and process plant control
- Knowledge of instrumentation design techniques
- Experience with obsolescence management
Additional Information
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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