Civil Works Programme - Baseline & Change Manager
Location: Sizewell C, London (2-3 days per week onsite) with monthly travel to Ipswich, Suffolk.
Contract: Permanent, full-time.
Salary: £80,000- £85,000 per annum.
Benefits
- 28 days annual leave, rising to 30 days after 5 years, plus bank holidays
- Up to 5% annual bonus
- Up to 15% employer pension contribution
- Flexible benefits package
- Hybrid working arrangements
- Excellent development and career progression opportunities
Closing Date: Thursday 13 August 2026.
Help Shape the Future of Clean Energy
Sizewell C is one of the UK's most exciting infrastructure projects, and we're looking for a Baseline & Change Manager to join our growing Project Controls team.
This is a unique opportunity to play a key role in maintaining programme baselines and leading the change management process on a project that will provide low‑carbon energy for generations to come.Working across Project Controls, Risk, Cost, Commercial and Delivery teams, you'll collaborate with senior leaders and Civil Works Alliance partners to ensure changes are effectively assessed, governed and implemented across a complex, multi‑billion‑pound programme.
The Role
Reporting to the Baseline & Change Lead, you'll be responsible for supporting and facilitating the Change Management process, ensuring programme scope, schedule, cost and forecasts remain aligned with approved changes.
Key responsibilities include:
- Managing and facilitating the Change Control and governance process.
- Supporting Investment Change Committee (ICC) meetings and decision-making.
- Managing programme baselines and ensuring approved changes are implemented accurately.
- Reviewing and challenging change proposals, assessing impacts on scope, cost, schedule and risk.
- Producing high-quality reporting and management information.
- Advising Project Managers, Change Owners and Supply Chain teams on change governance.
- Driving consistency, compliance and continuous improvement across change management processes.
About You
You’ll bring:
- Experience in Project Controls, Change Management, Commercial or Programme Management environments.
- Strong knowledge of Change Control, governance, baseline management and project controls.
- Understanding of Work Breakdown Structures (WBS), Cost Breakdown Structures (CBS), risk and commercial processes.
- Excellent communication, facilitation and stakeholder management skills.
- The ability to influence and collaborate across large, complex organisations.
- Degree‑level qualification or equivalent experience.
Desirable Experience
- Major infrastructure, engineering or construction projects.
- Managing change against approved baselines.
- Contract administration and commercial processes.
- Power BI or similar reporting tools.
- Project Controls software and programme reporting.
Why Join Sizewell C?
- Be part of one of the UK's most significant infrastructure projects.
- Work with senior leaders and multidisciplinary teams.
- Gain exposure to major programme delivery, governance and decision‑making.
- Enjoy excellent development and career progression opportunities.
- Help deliver a project that will power millions of homes for generations to come.
Ready to make an impact on a nationally significant project?
CWP Change Manager employer: Sizewell C
As a leading employer in the infrastructure sector, we offer a dynamic work environment in Bristol that fosters innovation and collaboration. Our commitment to employee growth is reflected in our comprehensive training programmes and opportunities for career advancement, ensuring that you can thrive in your role as Commercial Lead. With competitive salaries and a supportive culture, we prioritise the well-being of our team while driving impactful projects that shape the future.
