Location: Orwell Logistics Park, Ipswich
Hybrid working available | Travel & mobility support options available

The Opportunity

This is an opportunity to join one of the UK's most significant infrastructure programmes – Sizewell C – a once-in-a-generation clean energy project that will help power over 6 million homes for decades to come.

Working within the Civil Works Alliance (a partnership between Balfour Beatty, Bouygues Travaux Publics and Laing O'Rourke), you'll lead the tax function across one of Europe's largest infrastructure projects, ensuring robust governance, regulatory compliance and strategic tax management across a complex alliance environment.

As Tax Manager, you'll be the subject matter expert for all UK tax matters, providing trusted advice to Finance, Commercial, Procurement and HR teams while ensuring compliance across multiple legal entities and contractual arrangements. This is a unique opportunity to shape tax governance within a nationally significant infrastructure programme.

What You'll Be Doing

• Leading all UK tax compliance activities across the Civil Works Alliance, ensuring full compliance with HMRC requirements
• Managing VAT, CIS and Domestic Reverse Charge obligations, ensuring accurate and timely submissions
• Overseeing IR35 compliance, including the preparation and approval of Status Determination Statements (SDS)
• Providing expert tax advice to Finance, Commercial, Procurement and HR teams to support business decisions and manage risk
• Managing employment tax compliance, including PAYE, National Insurance and CITB Levy reporting
• Developing and maintaining tax policies, governance frameworks and internal controls
• Identifying, assessing and mitigating tax risks while maintaining the project's Tax Risk Register
• Leading tax audits, HMRC enquiries and compliance reviews, acting as the key point of contact for tax-related matters
• Supporting international trade activities, including import VAT, customs duties and Postponed VAT Accounting (PVA)
• Leading the preparation and management of R&D tax credit claims, working closely with technical teams and external advisers
• Building strong relationships with alliance partners, external advisers, HMRC and key project stakeholders

What We're Looking For

• Significant UK tax experience, ideally within construction, infrastructure or engineering environments
• Strong technical knowledge of CIS, VAT, Domestic Reverse Charge, IR35, employment taxes and import VAT
• Experience managing tax compliance across complex organisations, partnerships or joint ventures
• Experience dealing directly with HMRC audits, enquiries and compliance reviews
• Strong understanding of UK tax legislation and governance frameworks
• Excellent stakeholder management skills with the ability to influence senior leaders and build trusted relationships
• A proactive approach with excellent analytical, organisational and problem-solving skills
• Professional tax qualification (CTA, ACA, ACCA or equivalent) would be highly desirable
• Experience with R&D tax relief claims and international tax matters would be advantageous

Why Join Us?

• Be part of one of the UK's largest and most complex infrastructure projects
• Lead the tax function within a nationally significant alliance environment
• Work within a collaborative partnership alongside industry-leading organisations
• Influence strategic decision-making while ensuring the highest standards of governance and compliance
• Long-term career opportunities within a major programme of works
• Competitive salary, benefits and hybrid working arrangements

What you can expect

Joining Laing O'Rourke means becoming part of an internationally recognised engineering enterprise that is redefining how the built environment is designed, delivered and operated. You will have the opportunity to work on industry-leading projects while continuing to develop your own career and leadership capability.

• The opportunity to influence major projects and contribute to the long-term growth of the business.
• Exposure to innovative delivery methods, digital engineering and modern construction techniques.
• A supportive environment that encourages professional development, knowledge sharing and career progression.
• The chance to work alongside some of the industry's most experienced and respected professionals.

About us: 

We are an international engineering and construction company delivering state-of-the-art infrastructure and buildings projects for clients in the UK, Middle East and Australia.

Certainty, reliability, quality – this is what our clients want. And at Laing O'Rourke, we have more than 150 years of experience delivering it. Laing O'Rourke's story is one of energy, passion, ambition, people and teamwork. We harness the power of our experience, stretching back over a century and a half to deliver certainty for our clients.

As part of the Disability Confident scheme, we would like to enable access to candidates with long term health conditions and disabilities through the ‘Offer an interview scheme'. This supports applicants that meet the essential criteria by offering an interview for the advertised position. Please let us know prior to interview what adjustments are required as well as discussing how we can support you in the workplace.

We want to ensure our recruitment process is accessible to all. If you need the application form in an alternative format or you would like to know more about our recruitment process, please email resourcingteam@laingorourke.com

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