OTR Clerk

OTR Clerk

Location: Ipswich Project Office / Sizewell C Project Site

Join the exciting journey of one of the UK's largest nuclear projects at Sizewell C!

The Civil Works Alliance (CWA) is looking for a detail-oriented and proactive OTR Clerk to support the Sizewell C project team. In this key role, you'll be responsible for managing finance-related compliance activities across the project, ensuring all client approval processes and procedures are strictly followed.

You'll play a critical part in monitoring ongoing compliance for everyone with site access—helping to maintain the integrity and accountability of our operations. Your work will support a high-performing, customer-focused finance team that serves both the Civil Works Alliance (CWA) and the broader Civil Works Programme (CWP).

If you're organised, process-driven, and ready to contribute to one of the UK's most significant infrastructure projects, we'd be glad to hear from you.

Key Responsibilities

• Manage the end-to-end purchase order process, ensuring POs are correctly raised, receipted, and completed to minimise manual accruals and improve invoice accuracy.
• Investigate and resolve invoice discrepancies promptly, implementing preventative actions to reduce future issues and avoid late payments.
• Monitor outstanding invoices and Receipt Not Vouchered items regularly to ensure timely accruals and payments, anticipating delays and taking proactive steps to keep payments on schedule.
• Support efficient stock management within GMAO by coordinating the flow between stock picking and purchase requisitions, raising purchase requests as needed.
• Assist with supplier management by helping create and verify new suppliers, ensuring data accuracy and compliance.

What skills & experience are we looking for?

• Strong communication skills, confident in both spoken and written English.
• Ability to collaborate effectively across diverse teams, including Production, Commercial, Finance, and Cost Control.
• Reliable and organised, with a proven track record of meeting reporting deadlines.
• Experience with SAP or similar ERP systems is highly desirable.

Why SZC?

This is your chance to contribute to one of the UK's most ambitious infrastructure projects, shaping the future of energy while working in a supportive, dynamic environment. Be part of a team that values innovation, safety, and sustainability at every stage of the journey—from investment to construction and beyond.

About Laing O'Rourke

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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