 
        
        Overview
Join to apply for the Assistant Quantity Surveyor role at Midianet
Hillingdon, West London (Hybrid Working)
Up to £35,000 per annum
Are you an experienced Assistant Quantity Surveyor looking for your next challenge in a dynamic, commercially focused environment? We're working with a well-established business seeking a proactive and detail-oriented professional to join their growing commercial team.
The Role
As an Assistant QS, you\'ll play a key role in maintaining commercial control across multiple contracts. You\'ll manage payment applications, oversee contract administration, liaise with clients, and support the implementation of a new pay and bill system.
Key Responsibilities
 * Prepare and manage payment applications, ensuring accuracy across timesheets and rates
 * Issue interim valuations (invoices/applications) in line with contract requirements
 * Reconcile payment applications with internal ledgers, investigating and resolving discrepancies
 * Monitor payment progress, notices, certificates, and receipts in collaboration with the credit control team
 * Set up new jobs and update trades/rates in internal systems
 * Raise manual invoices and manage sales ledger exports
 * Administer contracts, including rate changes and volume rebates
 * Liaise with clients to ensure timely and accurate payments
 * Attend project meetings and contribute to commercial reporting
 * Collaborate with internal teams: Commercial, Finance, Payroll, and Operations
 * Provide cover for other commercial assistants when needed
Working Hours & Location
 * Monday to Thursday: 8:30am - 5:30pm
 * Friday: 8:30am - 4:00pm
 * Hybrid Working: 4 days in-office, 1 day from home
 * Location: Office-based, approx. 15 mins by bus from the local station
 * Parking: Available - ideal for drivers
What We're Looking For
 * Proven experience in commercial administration, ideally within recruitment or construction
 * Strong ability to manage multiple contracts and communicate confidently with clients
 * Comfortable working with finance systems and supporting process improvements
 * A proactive, solutions-focused mindset with the ability to work independently and collaboratively
Job Details
 * Seniority level: Mid-Senior level
 * Employment type: Full-time
 * Job function: Management and Manufacturing
 * Industries: Construction
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