Sub-Project Manager

ASSYSTEM; Whitehaven; Hybrid; GBP 55,000 - 90,000; Full time

Benefits offered by this job

Holiday bonuses

Hybrid work

Remote work 1–2 days/week

Job summary

Assystem is seeking a Project Manager for Whitehaven, primarily working on nuclear decommissioning projects. The role covers managing assigned work packages through NEC3 or similar contracts and ensuring cost and schedule performance within a safety-focused environment.

Join a global nuclear engineering group offering 1–2 days of remote work per week, strong career development, and a supportive engineering team. Residency in the UK is required for security clearance considerations.

Qualifications

• Engineering design and construction experience preferred.
• Full project lifecycle experience from business case approval, design, execution, handover.
• Experience of contract management and change control.
• Experience of risk management.
• Site development, consenting, and permitting experience.

Responsibilities

• Delivery of assigned packages of work as per contract conditions (NEC3 or other).
• Cost and schedule performance of assigned work packages.

Skills

Engineering design

Project controls

Contract management

Risk management

Delivery leadership

Education

BSc/BEng in related engineering/construction/project management

Job description

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.

Job Description

Job Description

Project Manager – Whitehaven (Permanent or Contract (Inside IR35)

Your future team:

Assystem is a well-established leader in the nuclear decommissioning sector. Join our team as Project Manager within our Nuclear Decommissioning Business Unit. You will be supported by an engineering and project controls team and will be responsible for delivering assigned packages of work which vary in complexity.

Your Missions:

• Delivery of assigned packages of work as per contract conditions (NEC3 or other)
• Cost and schedule performance of assigned work packages

Why join the community of Switchers?:

• Expertise: With over 55 years in nuclear engineering, we are among the top 3 largest nuclear engineering companies.
• Benefits: Enjoy attractive social benefits, an engaging Employee Committee (CE), and holiday bonuses.
• Career Growth: Benefit from ongoing training and numerous career opportunities; 70% of our managers are promoted internally!
• Work-Life Balance: Enjoy 1 to 2 days of remote work per week.

Qualifications

Essential Skills and Experience:

• Engineering design and construction experience preferred.
• Full project lifecycle experience from business case approval, design, execution, handover
• Experience of contract management and change control
• Experience of risk management
• BSc/BEng in a related engineering/construction/project management discipline
• Site development, consenting, and permitting experience

Additional Information

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.