The Role
Provide on-site administrative support for supplier invoices, contractor queries, timesheets, expenses, and document management (SAP/CDMS). Maintain accurate records, handle general office duties, and liaise with clients, suppliers, and the site delivery team to ensure timely payments and smooth operations.
Summary Generated by Built In
Site Administrator
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.
The Role
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.
What You’ll Be Doing
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
About
Trant Engineering has a long history of engineering and construction excellence, delivering high quality EPC engineering and construction services throughout the UK and overseas. We successfully design & deliver complex engineering projects in sectors such as Process & Water, Energy, Defence, Oil & Gas and Nuclear. We offer clients a range of services including design, manufacturing, installation, construction and commissioning. Through collaboration with our strategic technology partners and enhancing our in-house design and manufacturing capability, we have aligned the company to be at the forefront of engineering excellence.Our in-house multi-disciplinary services include civil, process, mechanical, electrical, instrumentation, control and automation, supplemented by the design and manufacture of Control Panels, MCC’s, PLC’s, SCADA and automation systems. We have over 1000 employees and with a healthy forward order book with a targeted turnover of £150m this year, it is an exciting time to join a business where you can reach your full potential and develop your career.
Fawley, Southampton
Full-time | Monday–Friday
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
About
Trant Engineering has a long history of engineering and construction excellence, delivering high quality EPC engineering and construction services throughout the UK and overseas. We successfully design & deliver complex engineering projects in sectors such as Process & Water, Energy, Defence, Oil & Gas and Nuclear. We offer clients a range of services including design, manufacturing, installation, construction and commissioning. Through collaboration with our strategic technology partners and enhancing our in-house design and manufacturing capability, we have aligned the company to be at the forefront of engineering excellence.Our in-house multi-disciplinary services include civil, process, mechanical, electrical, instrumentation, control and automation, supplemented by the design and manufacture of Control Panels, MCC’s, PLC’s, SCADA and automation systems. We have over 1000 employees and with a healthy forward order book with a targeted turnover of £150m this year, it is an exciting time to join a business where you can reach your full potential and develop your career.
Skills Required
- Previous experience in an admin role
- Strong IT skills
- SAP experience
- High attention to detail and accuracy
- Organised and able to prioritise workload
- Confident communicator with strong people skills
- Calm under pressure and a strong team player
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The Company
What We Do
Trant Engineering Ltd is a UK-based engineering, procurement and construction company delivering technology-led solutions for complex projects. It serves energy, process and water, and nuclear sectors, offering in-house civil, process, mechanical, electrical, instrumentation, control and automation design, manufacturing, installation, construction and commissioning. With more than 1,000 employees, it supports EPC projects through integrated multidisciplinary capabilities and strategic technology partnerships across the UK and overseas.
