Full-Time

Senior EC&1 Engineer

ASSYSTEM

ASSYSTEM

5,001-10,000 employees

Engineering services for design, construction, commissioning

No salary listed

Derby, UK

Hybrid

UK Top Secret Clearance Required

Category
Electrical Engineering (2)
,
Requirements
  • 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
Responsibilities
  • 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
Desired 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

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company Size

5,001-10,000

Company Stage

IPO

Headquarters

Paris, France

Founded

1966

Simplify Jobs

Simplify's Take

What believers are saying

  • Q1 2026 nuclear revenue grew 8% to 81% of €165.8M total with organic 2.2% rise.
  • Acquired L&T Infrastructure Engineering in 2024 boosting India energy market share.
  • Secured UK government frameworks supporting Rolls-Royce SMR's three-reactor contract.

What critics are saying

  • Expleo erodes non-nuclear margins with 15,000 employees and €1.1B scale since 2019 split.
  • Currency drops in pound, rupee, riyal cut international revenue 7.1% in Q1 2026.
  • Framatome and Orano integrate services internally, capturing Assystem's nuclear revenue stream.

What makes ASSYSTEM unique

  • Assystem ranks top 3 worldwide in nuclear engineering since 1966.
  • Provides end-to-end lifecycle services for EPR reactors in Flamanville, Taishan, and Olkiluoto.
  • Partners with Dassault Systèmes on PLM and Virtual Twins for SMR projects.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

Flexible Work Hours

Remote Work Options

Paid Vacation

Paid Holidays

Hybrid Work Options

401(k) Retirement Plan

Wellness Program

Mental Health Support

Gym Membership

Professional Development Budget

Conference Attendance Budget

Stock Options

Company Equity

Phone/Internet Stipend

Home Office Stipend

Relocation Assistance

Childcare Support

Meal Benefits

Parental Leave

Family Planning Benefits

Fertility Treatment Support

Company News

Bdaily
Jan 30th, 2025
Assystem expands UK footprint with takeover

A global nuclear engineering firm has strengthened its UK presence with the acquisition of a specialist construction company. Paris-headquartered Assystem has… | North East | Construction | Engineering | International | Energy | Mergers & Acquisitions | Commercial Partnerships | Manufacturing & Construction |

Assystem
Jan 17th, 2024
Assystem acquires KEOPS Automation, engineering specialist in automated systems and data enhancement

Assystem, an international engineering, digital services and project management company, has acquired 100% of the shares of KEOPS Automation, a French company specializing in the integration of industrial operating platforms and the enhancement of their data (industrial OT and IT, automated systems, supervision systems, BI applied to manufacturing).

Global Construction Review
Jan 5th, 2024
France’s Assystem acquires India’s L&T Infrastructure Engineering - Global Construction Review

France-headquartered engineer and project manager Assystem has acquired India’s L&T Infrastructure Engineering, a subsidiary of the Larsen & Toubro group.

Tech.eu
Feb 11th, 2022
Germany’s SQS acquired by Assystem Technologies for over £280 million

German company Software Quality Systems (SQS), a provider digital quality assurance services,…