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Role: Assistant Project Controls Engineer

Location: Milton Park, Abingdon with travel to Culham.

Work Pattern: Hybrid - 3 days per week office presence.

Duration: Permanent

ILIOS Overview
ILIOS is the Construction Partner for the UK’s STEP (Spherical Tokamak for Energy Production) fusion programme, the UK’s world‑leading programme to design and build a prototype fusion energy power plant at West Burton in Nottinghamshire.


ILIOS is a consortium led by a joint venture between Kier and Nuvia, supported by AECOM, AL_A and Turner & Townsend, bringing together extensive experience across major national infrastructure, nuclear and safety‑critical engineering, complex site transformation, programme and cost management, and world‑class design.


Working as part of the public–private sector integrated team led by UK Fusion Energy (UKFE), a wholly owned subsidiary of the UK Atomic Energy Authority (UKAEA), ILIOS is embedded in the programme as STEP transitions from planning into delivery.


The consortium supports the design and construction of buildings, infrastructure and facilities across the STEP site, alongside constructability, programme planning, site management, supply‑chain engagement and project controls, helping to ensure delivery is safe, buildable and fully integrated with the wider programme.


The appointment of ILIOS marks a significant milestone in the UK’s transition to clean energy and supports STEP’s mission to demonstrate fusion energy and develop a world‑leading fusion supply chain, creating long‑term economic and skills opportunities for the UK.


Description of job:
The Assistant Project Controls Engineer supports the delivery of effective project controls across the portfolio by providing reporting, cost management, and document control services. Working closely with Project Managers, Project Controls Engineers, and PMO functions, the role ensures the timely production of project information, accurate cost reporting, and effective management of project documentation. The role contributes to strong governance, informed decision-making, and successful project delivery through the provision of reliable project data, controls, and administrative support.


Key Responsibilities:

• Produce and maintain project performance reports, dashboards, and management information to support project and portfolio governance requirements.
• Support cost management activities including budget tracking, expenditure reporting, forecasting, variance analysis, and change control administration.
• Administer and maintain project documentation, ensuring records are controlled, accurate, auditable, and compliant with organisational procedures.
• Support the collection, validation, and analysis of project performance data, providing timely and accurate information to project teams and stakeholders.
• Coordinate project control processes including reporting cycles, action tracking, meeting support, and data management activities.

Qualifications, experience and skills:

• Experience in a project controls, project support, PMO, cost control, or project administration role within a project-based environment.
• Understanding of project controls principles, including cost management, reporting, change control, and performance measurement.
• Experience preparing reports, maintaining project data, and supporting project governance activities.
• Knowledge of document control processes and experience using document management systems.
• Proficiency in Microsoft Excel, PowerPoint, Word, and other project reporting tools, with strong attention to detail and data accuracy.
• Strong organisational, analytical, and communication skills with the ability to manage multiple priorities and work effectively within a project delivery team.

Employee Staff Benefits:

• 8.5% Employer Pension Contribution with Life Assurance Cover
• Private Medical Scheme*
• Employee Share Scheme
• Flexible and hybrid working, in agreement with local line management.
• 25 Days Annual Leave (increasing to 28 days after 5 years’ service, 31 days after 10 years’ service)
• Option to buy, sell and carry over up to 5 days annual leave per year.
• Salary Sacrifice Schemes: Electrical Vehicles, Technology and Cycle to Work.
• 18 Weeks Full Maternity Pay* (+21w SMP)
• In Partnership with Trade Unions
• Personal Development & Further Education Support
• Long Service & Recognition Awards
• Fantastic Employee Discounts
• Free Employee Assistance Programme

*After 1 year of service.