Senior Quantity Surveyor

Onshore Technical; Heathrow (FL); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Onshore Technical in Heathrow, FL is seeking a Senior Quantity Surveyor to manage the commercial and contractual aspects of projects across gas mid-stream and downstream assets, ensuring cost control, value optimization, and compliance. This full-time, hybrid role combines on-site work with work-from-home flexibility.

Day-to-day duties include preparing and reviewing cost estimates, budgets, forecasts, managing procurement, evaluating subcontractor proposals, administering contracts, and

Qualifications

• Experience with estimating, budgeting, cost control and valuation of construction and engineering works.
• Experience with contract administration, procurement, tender evaluation, variations, claims, and change management.
• Solid understanding of construction methods and technical documentation; able to interpret drawings and standards.
• Competence in project controls and commercial reporting; ability to prepare financial forecasts and risk registers.
• Proficiency with software tools (MS Excel, cost management systems, contract platforms) and strong numerical skills.
• Excellent written and verbal communication; able to negotiate with stakeholders in multidisciplinary teams.
• Degree or professional QS/CM qualification; RICS membership is advantageous.
• Experience in energy, utilities, or infrastructure sectors; knowledge of gas assets and related regulations is beneficial.
• Demonstrated ability to work independently and manage multiple priorities.

Responsibilities

• Manage commercial and contractual aspects of projects across gas mid-stream and downstream assets.
• Prepare and review cost estimates, budgets, and forecasts; support procurement processes.
• Evaluate subcontractor and supplier proposals; administer contracts and handle variations.
• Lead measurement and valuation of works; prepare interim and final accounts and support change management.
• Produce clear reports, risk assessments, and commercial recommendations for decision-making.
• Collaborate with project managers, engineers, and clients to ensure compliant project delivery.

Skills

Cost estimation

Budgeting

Valuation of works

Contract administration

Procurement

Change management

Commercial reporting

Communication

Analytical skills

Team collaboration

Education

Degree in Quantity Surveying or Construction Management

RICS or equivalent membership (advantageous)

Tools

MS Excel

Cost management systems

Contract management platforms

Job description

Company Description

Onshore Technical is focused on addressing the significant skills gap within the UK energy sector as it works toward net zero. Drawing on over 20 years of industry experience and a broad network of technical professionals, the company supports the development of a skilled workforce across gas mid-stream and downstream assets. Through partnerships with specialist training providers, Onshore Technical delivers mandatory and advanced training to individuals and teams who are new to the energy industry. The team works across areas such as gas compressors, AGIs, PRIs, offtakes, process safety, design, quality assurance, temporary works, surveys, training, and construction delivery. Onshore Technical also provides consultancy and project management services, supporting operational teams to achieve high-quality, safe, and compliant project outcomes.

Role Description

The Senior Quantity Surveyor will manage the commercial and contractual aspects of projects across gas mid-stream and downstream assets, ensuring cost control, value optimization, and compliance with contractual obligations. This full-time, hybrid role is based in Heathrow, FL, with a combination of on-site work and agreed work-from-home flexibility. Day-to-day responsibilities include preparing and reviewing cost estimates, budgets, and forecasts, managing procurement processes, and evaluating subcontractor and supplier proposals. The Senior Quantity Surveyor will administer contracts, lead measurement and valuation of works, prepare interim and final accounts, and support claims, variations, and change management. The role also involves close collaboration with project managers, engineers, and clients, producing clear reports, risk assessments, and commercial recommendations to support decision-making and successful project delivery.

Qualifications

• Strong quantity surveying and cost management skills, including estimating, budgeting, cost control, and valuation of construction and engineering works.
• Experience with contract administration, procurement, tender evaluation, variations, claims, and change management in infrastructure or energy projects.
• Solid understanding of construction methods, gas industry assets, and technical documentation, with the ability to interpret drawings, specifications, and standards.
• Competence in project controls and commercial reporting, including preparation of financial forecasts, risk registers, and performance metrics.
• Proficiency with relevant software tools (e.g., MS Excel, cost management systems, contract management platforms) and strong numerical and analytical skills.
• Excellent written and verbal communication skills, with the ability to prepare clear reports, negotiate with stakeholders, and collaborate in multidisciplinary teams.
• Relevant degree or professional qualification in Quantity Surveying, Construction Management, or a related discipline; professional membership (e.g., RICS or equivalent) is advantageous.
• Demonstrated experience in the energy, utilities, or infrastructure sectors, ideally involving gas mid-stream and downstream assets; knowledge of UK and industry-specific regulations is beneficial.
• Proven ability to work independently, manage multiple priorities,