Job Description - Commercial Assistant

We are seeking a Commercial Assistant to join a busy and dynamic commercial team based in Manchester working for a large Rail client. This role will support the Commercial Manager and wider commercial function with day-to-day commercial administration and project support activities.

The successful candidate will play a key role in supporting the commercial process, from weekly labour call-offs and order placement through to authorised amendments, timesheet and rate verification, assessment of supplier payment applications, and maintaining accurate commercial records and audit trails.

Key Responsibilities

* Support the Commercial Manager with the weekly labour call-off and ordering process.

* Prepare labour orders and process authorised amendments.

* Review supplier applications for payment, including checking timesheets, agreed rates, and supporting documentation.

* Maintain accurate trackers, records, and audit trails.

* Liaise with suppliers and internal project teams to resolve queries and issues.

* Identify discrepancies and support their timely resolution.

* Provide general commercial and administrative support to the wider commercial team.

Skills and Experience

Essential

* Highly organised, proactive, and self-motivated.

* Strong attention to detail with a high level of accuracy.

* Able to build positive working relationships with suppliers and internal stakeholders.

* Proficient in Microsoft Excel and other Microsoft Office applications.

* Able to follow established processes and manage workloads with minimal supervision.

* Practical problem-solving skills and the ability to take ownership of tasks.

* Strong written and verbal communication skills.

Desirable

* Working towards, or qualified in, Quantity Surveying, Commercial Management, Construction Management, or a related discipline.

* Previous experience in a Commercial Assistant, Commercial Administrator, Commercial Systems, or similar support role.

* Experience within the construction, engineering, infrastructure, or utilities sectors.

* Knowledge of commercial processes, supplier payments, and labour management.

* Previous rail industry experience would be advantageous but is not essential
Only candidates based in UK and eligible to work in UK are allowed
Original job Commercial Assistant posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Share Job
Share Job

Similar Commercial Assistant Jobs in the UK

GrabJobs is the no1 job portal in the UK, connecting you to thousands of jobs fast! Find the best jobs in the UK, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.