Sub Agent

SCS Railways; Greater London; On-site; GBP 55,000 - 75,000; Full time

Job summary

SCS Railways is recruiting a Sub Agent to lead a defined section of earthworks and structures works at West Ruislip, reporting to the Agent and coordinating site teams and subcontractors. You will manage safety, programme delivery and quality while driving performance across multidisciplinary interfaces.

Ideal candidates will have civil engineering qualifications and experience on major infrastructure projects, with NEC contract experience, strong planning skills and a proactive,

Qualifications

• Degree in Civil Engineering or related field.
• Sub Agent or senior engineer experience on major civil/infrastructure projects.
• Experience managing subcontractors and multiple fronts.
• Solid understanding of NEC contracts and commercial principles.
• Strong planning and programme management skills.
• Proven leadership and stakeholder management.
• Health & Safety awareness and environmental knowledge.
• Professional membership with ICE/CIOB advantageous.

Responsibilities

• Lead safe delivery of earthworks, drainage, landscaping, fencing and precast works.
• Manage a works section from planning through to completion against programme, cost and quality targets.
• Coordinate Site Engineers, Supervisors and subcontractors to hit milestones.
• Develop and maintain short-term programmes and monitor progress.
• Ensure resources are planned and managed effectively.
• Promote health, safety and environmental culture on site.
• Review RAMS, permits and construction documentation.

Skills

Civil Engineering degree

Sub Agent experience

Contract management

Leadership

NEC contracts understanding

Planning & programme management

Stakeholder management

Education

Degree in Civil Engineering

Job description

The following content displays a map of the jobs location - London - West Ruislip

Competitive with excellent benefits package

Working Hours:

40

Location:

London - West Ruislip

Closing Date:

20/10/2026

Function:

Structures & Earthworks

Function:

Structures & Earthworks

Team:

Construction Management

Job Introduction

Earthworks West Ruislip

We currently have a vacancy for a Sub Agent within our Earthworks & Structures Delivery Unit, working in the Earthworks team at West Ruislip.

As a Sub Agent, you will be responsible for the safe, efficient and successful delivery of a defined section of works, including earthworks, drainage, landscaping, environmental works, fencing and precast installations. You will lead site teams and subcontractors, ensuring works are delivered safely, to programme, within budget and to the required quality standards.

Reporting to the Agent, you will play a key role in planning and coordinating construction activities, managing project interfaces, driving performance and maintaining strong stakeholder relationships across the project.

Main Responsibilities

• Lead the safe delivery of earthworks, drainage, landscaping, planting, seeding, fencing and precast installation works.
• Manage a section of works from planning through to completion, ensuring delivery against programme, cost, quality and safety objectives.
• Coordinate and manage Site Engineers, Graduate Engineers, Supervisors and subcontractors to successfully deliver project milestones.
• Develop and maintain short-term programmes, monitor progress and identify opportunities to improve productivity and performance.
• Ensure labour, plant, materials and subcontract resources are effectively planned and managed.
• Drive a positive health, safety and environmental culture across the worksite, ensuring full compliance with company and project requirements.
• Review and approve RAMS, permits, inspection and test plans and construction documentation.
• Manage subcontractor performance, ensuring works are delivered in accordance with contract requirements, approved methodologies and programme commitments.
• Monitor temporary works requirements and ensure appropriate controls are implemented.
• Coordinate interfaces between earthworks, drainage, environmental, structures and third‑party stakeholders.
• Support commercial activities including forecasting, progress reporting, change management and compensation event submissions.
• Identify, manage and mitigate project risks and constraints.
• Ensure quality requirements are met and completed works are handed over in accordance with project procedures.
• Maintain accurate site records, including diaries, progress reports, inspections and as‑built information.
• Promote innovation, continuous improvement and best practice across the project team.
• Support the Agent and Construction Manager in achieving project and business objectives.

The Ideal Candidate

• Degree qualified (or equivalent) in Civil Engineering, Construction Management or a related discipline.
• Proven experience in a Sub Agent, Senior Engineer or equivalent role on major civil engineering or infrastructure projects. Strong knowledge of earthworks, drainage, temporary works, precast installation, fencing, landscaping and environmental works..
• Experience managing subcontractors and multiple concurrent work fronts.
• Good understanding of NEC contracts and commercial management principles.
• Strong planning and programme management skills.
• Experience managing resources, productivity and construction delivery activities.
• Excellent leadership, communication and stakeholder management skills.
• Ability to lead teams and drive performance in a fast‑paced construction environment.
• Training in Health & Safety and Environmental Management.
• Knowledge of environmental compliance, sustainability requirements and quality assurance processes.
• Working towards or holding professional membership with ICE, CIOB or equivalent would be advantageous.

Key Attributes

• Strong leadership and people management capability.
• Safety‑first approach with a commitment to excellence.
• Commercial awareness and delivery focus.
• Proactive and solution‑oriented mindset.
• Strong organisational and planning skills.
• Ability to build collaborative relationships with clients, stakeholders and project teams.

About The Company

The role will work on the HS2 project. HS2 is the UK’s new high speed rail network. It will be a catalyst for economic growth across Britain, freeing up space on the existing railways and connecting 8 out of the UK’s 10 biggest cities with fast, reliable and frequent high speed services

The Skanska | Costain | STRABAG (SCS JV) is delivering the HS2 London Tunnels Contract. Scope of works includes twin‑bored tunnels (TBM), SCL tunnels, shaft sinking, bridge demolition and reconstruction, services diversions, earthworks and the construction of site compounds.

You’ll be a welcomed member of the wider team, with opportunities to take on additional responsibility, join one of our networks for women, military or LGBT+ staff, and participate in cultural and social events with the local community (e.g. as a STEM ambassador).

Your personal and professional development is important to us. We welcome a discussion about how we can support you with further study, or professional membership or attainment for example.

HS2 – working with Skanska, Costain and STRABAG, closely monitors job applications, to ensure an inclusive recruitment process. To ensure we are able to maintain this, and to recruit a diverse workforce, we require candidates to complete the diversity form as part of their application so we are able to monitor and improve our approach to diversity. Please note, all responses are anonymous and we will not share any of your data with other parties. All data will be held securely, (as stated within the Data Protection Act 1998) and will be reported to HS2.

It is an SCSJV requirement that all employees, Design House, and Supply Chains must implement and comply with the requirements of ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System with guidance for use", OHSAS 18001:2017 Occupational Health and Safety Management Systems and ISO/IEC 27001:2013 Information Security Management System, Policies, Plans, Procedures and Processes, and statutory requirements as they affect the Joint Venture’s operations and ensure that the requirements, as applicable within their discipline, are effectively implemented on the project. Develop a culture of safety on the project through the absolute commitment to the Zero Accidents target and ethos, and develops a wider awareness of quality, environmental issues and demonstrates commitment to achieve continual improvement and Zero tolerance.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

SCS Railways is a Disability Confident Leader. We want to encourage disabled people to apply for our roles and have an opportunity to display your skills, talent, and abilities. We will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this position will be offered an interview.

Please see the disability confident commitments:

To be considered for an interview under this scheme you have:

• A physical or mental impairment, which has a substantial and long‑term effect (over 12 months) adverse effect on your ability to carry out normal day‑to‑day activities
• Demonstrated in your application and pre‑interview stage that you meet the minimum job criteria and person specification for the role