Civil Works Programme Change Manager

Sizewell C; Greater London; On-site; GBP 80,000 - 85,000; Full time

Benefits offered by this job

Annual leave 28 days

Bonus up to 5%

Pension contribution up to 15%

Flexible benefits

Hybrid working arrangements

Career progression opportunities

Job summary

Sizewell C is seeking a Baseline & Change Manager to join our Project Controls team in London, with 2-3 days onsite and monthly travel to Ipswich. The role centres on maintaining baselines and leading change management across scope, schedule and cost.

Reporting to the Baseline & Change Lead, you will facilitate Change Control, support ICC meetings, review proposals and produce high-quality reporting for senior stakeholders, helping deliver a major, low-carbon infrastructure project.

Qualifications

• Experience in Project Controls, Change Management, Commercial or Programme Management environments.
• Strong knowledge of Change Control, governance, baseline management and project controls.
• Understanding of WBS/CBS, risk and commercial processes.
• Excellent communication, facilitation and stakeholder management skills.
• Ability to influence and collaborate across large, complex organisations.
• Degree-level qualification or equivalent experience.

Responsibilities

• Manage and facilitate the Change Control and governance process.
• Support Investment Change Committee (ICC) meetings and decision-making.
• Manage programme baselines and ensure approved changes are implemented accurately.
• Review and challenge change proposals, assessing impacts on scope, cost, schedule and risk.
• Produce high-quality reporting and management information.
• Advise Project Managers, Change Owners and Supply Chain teams on change governance.
• Drive consistency, compliance and continuous improvement across change management processes.

Skills

Project Controls

Change Management

Stakeholder management

Communication

Collaboration

Baseline management

Education

Degree-level qualification or equivalent experience

Tools

Power BI

Project Controls software

Job description

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.