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Assistant Quantity Surveyor

Company:
John Sisk & Son
Location:
Exeter, Devon, EX5 2UL, United Kingdom
Posted:
September 25, 2025
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Description:

As an Assistant Quantity Surveyor you will be working within the commercial reactive works team and assisting the operational side to ensure successful delivery of the Framework contracts. While maintaining both internal and client relationships, to maximise commercial returns & manage risk.

John Sisk & Son have been building excellence as a family-owned international construction company by offering trust, certainty and value to our clients whilst being at the heart of change.

Responsibilities

As an Assistant Quantity Surveyor, you will have the following accountabilities:

Implement commercial strategy

In conjunction with the relevant Project Management team member, be accountable for the profitability of the project(s) they support and develop an appropriate commercial strategy to enable delivery of required margins.

Contribute to the management and maintenance of a contract cost reporting system ensuring all financial information is managed and up-to-date and tracked with budget/tender allowances, commitments and deviations highlighted and managed

With other members of the team, produce and provide accurate forecasts of project cost to completion and final value

Monitor cash flow and valuation plan, ensuring applications are made correctly and in a timely manner, whilst controlling WIP levels and requesting support as necessary to minimise

Ensure contract variations are identified, valued and turned into agreed variation orders with the customer in a timely manner

Assist in ensuring effective records are maintained to support claims and that applications for payment for variations are issued in a timely manner

Manage the subcontract tender process, including the selection of sub-contractors and provision of all relevant contract and schedule documentation.

Ensure that subcontracts are placed in an appropriate manner to step down approporiate responsibilities from the Main Contract.

Ensure that each subcontractor's account is managed strictly in accordance with their terms and condititions

Provide accurate monthly reporting of cost and value on the project(s) in line with the Company reporting process.

Experience

An organised, innovative and creative Assistant Quantity Surveyor with knowledge and experience of working on projects.

Experience of collating costs and maximising value

Experience of working as a QS, including the need to support with financial and commercial control within a project

Experience of procuring and managing supply chain

Maintain a Personal Development Plan

Working towards professional accreditation

Support development of others around you

Experience of working as part of a team

Demonstration of working to deadlines, working efficiently and to a high standard

Demonstration of resilience and determination to succeed

Demonstrate clear written and verbal communication skills

Demonstrate ownership/commercial awareness

Effective time management, organisational, interpersonal and negotiation skills

Have experience of using schedule of rates for preparing quotations and applications for payment

Desirable Experience:

Experience of NEC 3 and/or 4

Experience of Network Rail Contract Suite

Interest in Rail Projects

Qualifications

Desired Qualifications/Training

BSc in Quantity Surveying or equivalent level of education or experience

Working towards professional chartership or similar with a recognised body.

Additional Information

Competitive Salary with yearly increase

26 days holiday (option to purchase 5 more)

Employer pension

Travel expenses

Flexible and remote working

Enhanced parental leave

Professional and Educational development

Our people are at the heart of our success and our proposition to them is work with purpose, have time for life, build a career with no limits and surround yourself with great people.

Our Internal Recruitment Team fulfil all vacancies on a direct basis. Unsolicited contact by unapproved agencies (sharing speculative CVs) will not be accepted and introductory fees will not apply.

*The full job specification is available on request

At Sisk we are committed to attracting and hiring diverse talent into our organisation. We know the confidence gap and imposter phenomenon can get in the way of meeting remarkable candidates. We also know that candidates from underrepresented backgrounds often don't apply for roles if they don't feel they meet all the criteria. Give your transferable skills the chance to tell the full story. It’s not all about your technical expertise. Don’t hold back, we’d love to hear from you.

Full Time

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