Assistant Quantity Surveyor

ABS Commercial Solutions; St Albans; Hybrid; GBP 28,000 - 42,000; Full time

Job summary

ABS Commercial Solutions is seeking an Assistant Quantity Surveyor to support the delivery of a major water infrastructure framework. Based in St Albans with surrounding sites, the role offers exposure to the full commercial lifecycle, working under a Senior Quantity Surveyor on multiple schemes.

You will gain experience across commercial management, cost control and procurement, with a flexible working model blending office, site and home working, depending on project needs.

Qualifications

• Experience working as an Assistant Quantity Surveyor or in a similar commercial role.
• Experience within water, utilities or civil engineering infrastructure would be advantageous.
• Some knowledge of NEC3 and NEC4 contracts is preferred.
• An understanding of cost control, forecasting, valuations and subcontract management.
• Strong communication, organisational and numerical skills.
• A proactive attitude and willingness to learn, develop and take on additional responsibility.

Responsibilities

• Assist with the commercial management of projects, monitoring costs and supporting overall project performance.
• Support subcontract procurement, including reviewing terms and conditions and managing subcontractor accounts.
• Assist with the administration of NEC3 and NEC4 contracts, including Options A and C.
• Help manage compensation events, variations and contractual changes.
• Monitor contractual obligations and ensure commercial procedures are followed.
• Assist in preparing monthly Cost Value Reconciliations (CVRs), forecasts and commercial reports.
• Monitor project expenditure against budgets and identify cost variances.
• Prepare and review valuations and subcontractor applications for payment.
• Support weekly cost monitoring, comparing forecast costs against actual expenditure.
• Maintain change registers and collate cost records for client audits.
• Assist with earned value analysis and pain/gain reporting where applicable.
• Work closely with Senior Quantity Surveyors, operational teams, clients and subcontractors.
• Attend site visits to monitor progress and support effective commercial management.
• Help resolve commercial issues and support the project closeout process.
• Build strong working relationships across the project team and supply chain.

Skills

Communication

Organisational skills

Numerical skills

Proactive attitude

Education

Experience in water/utilities infrastructure

Tools

NEC3/NEC4 contracts knowledge

Job description

Job Description

Assistant Quantity Surveyor

Location: St Albans and surrounding sites Sector: Water Infrastructure Contract: Permanent

The Opportunity

An excellent opportunity has arisen for an Assistant Quantity Surveyor to join a major, fast-growing UK infrastructure contractor, supporting the delivery of an established capital delivery framework for a leading water utility.

With a strong pipeline of secured work and a substantial portfolio of infrastructure projects, this is an opportunity to join an expanding business offering long-term stability, varied project exposure and genuine career progression.

Working alongside an experienced Senior Quantity Surveyor, you'll develop your commercial skills while supporting the delivery of multiple water infrastructure schemes. This role offers valuable exposure to the full commercial lifecycle, with the opportunity to take on increasing responsibility as your experience grows.

Key Responsibilities

Commercial and Contract Management

• Assist with the commercial management of projects, monitoring costs and supporting overall project performance.
• Support subcontract procurement, including reviewing terms and conditions and managing subcontractor accounts.
• Assist with the administration of NEC3 and NEC4 contracts, including Options A and C.
• Help manage compensation events, variations and contractual changes.
• Monitor contractual obligations and ensure commercial procedures are followed.

Cost Control and Reporting

• Assist in preparing monthly Cost Value Reconciliations (CVRs), forecasts and commercial reports.
• Monitor project expenditure against budgets and identify cost variances.
• Prepare and review valuations and subcontractor applications for payment.
• Support weekly cost monitoring, comparing forecast costs against actual expenditure.
• Maintain change registers and collate cost records for client audits.
• Assist with earned value analysis and pain/gain reporting where applicable.

Project and Stakeholder Management

• Work closely with Senior Quantity Surveyors, operational teams, clients and subcontractors.
• Attend site visits to monitor progress and support effective commercial management.
• Help resolve commercial issues and support the project closeout process.
• Build strong working relationships across the project team and supply chain.

About You

• Experience working as an Assistant Quantity Surveyor or in a similar commercial role.
• Experience within water, utilities or civil engineering infrastructure would be advantageous.
• Some knowledge of NEC3 and/or NEC4 contracts is preferred.
• An understanding of cost control, forecasting, valuations and subcontract management.
• Strong communication, organisational and numerical skills.
• A proactive attitude and willingness to learn, develop and take on additional responsibility.

Why Consider This Opportunity?

• Long-term security: Join an established water framework with a strong pipeline of secured projects.
• Project variety: Gain experience across multiple capital schemes rather than being tied to one project.
• Career progression: Develop your skills within a growing business that invests in its people and promotes internally.
• Hands-on experience: Build your knowledge across the full commercial lifecycle, working alongside experienced commercial professionals.
• Flexible working: A mix of office, site and home working, depending on project requirements.

This is an excellent opportunity for an Assistant Quantity Surveyor looking to strengthen their commercial experience, gain exposure to a major water infrastructure programme and build a long‑term career within a growing infrastructure business.