Site Administrator

Description
 Fawley, Southampton
 Full-time | Monday–Friday 

Join Trant Engineering Limited, a leading multi-discipline engineering and construction business delivering projects across the UK and internationally. With over 800 employees and a strong £180m order book, we’re growing — and now looking for a Site Administrator to support our team on-site at Fawley Refinery.

You’ll be at the heart of site operations — the go-to person for supplier invoices, contractor queries, and admin support. Working closely with the site delivery team, you’ll keep things running smoothly and ensure suppliers are paid accurately and on time.

Managing and processing supplier invoices (SAP) 

 Acting as the first point of contact for vendor queries 

 Supporting contractors via CDMS to resolve payment issues 

 Processing timesheets and expenses weekly 

 Maintaining accurate data entry and records 

 Uploading and managing documentation 

 Handling general admin (filing, scanning, calls on rota) 

 Building strong relationships with clients and suppliers 

Previous experience in an admin role 

 Strong IT skills (SAP experience is a bonus) 

 High attention to detail and accuracy 

 Organised, proactive, and able to prioritise workload 

 Confident communicator with great people skills 

 Calm under pressure and a strong team player 

Be part of a growing, well-established engineering business 

 Work on a major UK industrial site 

 Supportive team environment 

 Long-term opportunity with a strong pipeline of work 

At Trant Engineering Limited, we’re proud to be an equal opportunities employer. We value diversity and are committed to creating an inclusive environment for all employees.

Key Responsibilities

Managing and processing supplier invoices (SAP) 

 Acting as the first point of contact for vendor queries 

 Supporting contractors via CDMS to resolve payment issues 

 Processing timesheets and expenses weekly 

 Maintaining accurate data entry and records 

 Uploading and managing documentation 

 Handling general admin (filing, scanning, calls on rota) 

 Building strong relationships with clients and suppliers