Job Description

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Business Architecture Manager (Sizewell C)

Location: Based in London on a hybrid basis with travel to Suffolk as required.

Contract: Permanent, full-time.
Salary: Competitive dependant on experience, plus benefits

Benefits include:

Annual Leave: 28 days per annum, increasing to 30 days after 5 years of service, plus bank holidays.
Bonus: 10% annual bonus.
Pension Contributions: Defined Contribution Pension Scheme with up to 7.5% employee contribution 15% employer contribution.

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects.

About the Role

We are seeking a Business Architecture Manager to define, shape, and embed the business architecture capability across the Sizewell C organisation. This role will be pivotal in aligning strategy, operating models, processes, capabilities, governance, and digital solutions to support both the construction phase and the transition to operations.

About You

Significant experience in business architecture, enterprise architecture, or operating model design within complex, regulated environments.
Proven ability to design and implement target operating models.
Strong stakeholder engagement skills, including experience influencing senior leadership.
Experience working in large-scale transformation programmes.
Understanding of governance frameworks and structured architectural methodologies.

Why Join Us?

Be part of one of the most important low-carbon energy projects in the UK.
Work in a mission-driven environment that values innovation, integrity, and long-term sustainability.
Competitive salary, comprehensive benefits, and opportunities for career development.
Flexible and hybrid working options.

Key Competencies

Behavioural Competences

Humility

Recognise the value brought from different cultures and experiences
Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

Positively challenge poor quality and performance
Identify solutions at the lowest possible level
Encourage tier 1s and others to bring new ideas forward

Respect

Value the rules and environment in which we operate
Give and receive feedback with respect
Embrace and engage with new people and ideas

Solidarity

One team, working closely together and helping each other
Empowered teams always looking forward.
Shared responsibility for delivery the project outcomes

Clarity

Communicate clearly and consistently
Promote collaboration and team alignment
Clearer and faster decision making
Drive simplification at all levels

If this sounds like the next step in your career, we’d love to hear from you. Apply today.

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.