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Contract

Commercial Assistant

Carrington West
Aylesford
money-bag £15.00 - £20.00/hour
Posted: 25 October 2026 (Today)
Closing date: 24 November 2026
Ref: 225762297

Freelance Commercial Administrator - Highways
Location: Aylesford | Contract: 6 months, freelance | Rate: £15-20 per hour DOE


Carrington West is working with a leading highways contractor to find an experienced Commercial Administrator for a 6-month freelance contract. You''ll support the

Quantity Surveying and commercial team on a live highways maintenance contract, keeping financial administration, subcontract payments and commercial processes accurate and on time.

What you''ll be doing

·Raising, amending and correcting purchase orders, and making sure the correct WBS codes are used
·Entering and maintaining GRNs in SAP and making sure they''re actioned
·Chasing late subcontractor applications and helping prepare valuations, applications for payment and invoices
·Preparing payment notices for approval so subcontractors are paid on time against accurate valuations
·Running weekly checks on unmatched invoices, clearing old accruals and reallocating miscoded costs
·Working with site teams on Early Warning Notices (EWNs), Compensation Events (CEs), variations and remeasurement
·Supporting the weekly Cost Value Reconciliation (CVR)
·Keeping subcontractor records up to date and helping with subcontractor appraisals
·Providing general admin support to QS, Senior QS and operational managers, including audits, compliance reporting and collating tender information

What we''re looking for

Essential:

·Previous experience in a commercial or administrative role
·Strong Microsoft Office skills, and confidence using SAP or a similar ERP system (or the ability to pick it up quickly)
·Good with numbers, organised and with strong attention to detail
·Clear communicator, comfortable dealing with people at all levels

Desirable:

·Experience in highways maintenance or the wider civil engineering and infrastructure sector
·Knowledge of NEC contract administration, especially EWNs and CEs
·Experience with CPA or similar measurement systems
·An understanding of labour, plant and materials costing, rates build-ups and cost control
·Experience placing subcontract enquiries and orders
·A degree, or equivalent experience

To find out more, apply now or contact Luke Clifford at Carrington West on (phone number removed) or (url removed).
 

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