Lead EC&I Engineer
Confirmed on the employer's own hiring board on Oct 21, 2026. First seen by Alion on Oct 20, 2026. Assystem scores B on the Alion truth index.
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.
Location: Warrington
Type: Permanent / Contract
Role Responsibilities
Lead and direct a multi-disciplinary engineering team to:
Identify the feasibility of the approach
Develop an outline requirement specification
Identify the TRL levels and associated development plans to deliver a viable solution
Prepare a plan for the delivery of the appraise and select phase of the project. Deliver to the agreed time, cost and quality
Lead the multidiscipline teams, responsible for estimating, scheduling, forecasting and the production of the agreed design deliverables
Manage the DSA teams in production of deliverables
Develop the safety case(s), including attendance at HAZOPs, support to safety assessment, review of ES, and production of substantiation documentation
Identify additional resource demand where required to ensure all deliverables can be originated and checked in accordance with the project schedule
Interface with other Project Discipline leads within the project(s)
Interface and engage with Site clients and stakeholders
Essential Experience
Background in engineering, demonstrating a record of successful delivery including recent leadership roles guiding technical personnel
Significant experience in an engineering design environment with strong technical knowledge
Recent experience working within a regulated and quality-assured system (preferably nuclear), where professional engineering judgment is key
Knowledge and understanding of governing laws, regulations, and standards for the nuclear industry (equivalent experience in other industries will be considered):
Health & Safety at Work Act
The Construction (Design and Management) Regulations 2015
Safety of Machinery, CDM, LOLER, Pressure Systems, DSEAR, Ionising Radiation
Identification of Technological Readiness Levels and development of technology development plans
Higher Education Qualification in Engineering (or Equivalent) subject
Appropriate (Engineering or Scientific) Institution Membership.
Ability to obtain SC 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.
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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.