Sub Agent

Millbank Holdings; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Millbank Holdings Ltd is seeking an experienced Sub Agent to support the delivery of a major UK infrastructure package. You will own a designated area of responsibility, coordinating site activities, managing subcontractors, and ensuring works are delivered safely, on programme and within budget.

Working closely with the Package Manager and project teams, you will drive construction excellence, monitor performance and maintain detailed records, contributing to a collaborative One Team culture on

Qualifications

• Degree qualification in a relevant Engineering discipline.
• Proven experience working in a similar Sub Agent, Section Engineer or Site Management role on major engineering or construction projects.
• Ability to produce, implement and manage safe systems of work.
• Strong understanding of construction methodologies and site management practices.
• Commercial awareness and understanding of the financial aspects of large‑scale construction projects.
• In‑depth technical knowledge relevant to your area of responsibility.
• Understanding of Contractor responsibilities under CDM Regulations.
• Excellent knowledge of current Civil Engineering practices and legislation.
• Strong understanding of Health, Safety and Environmental requirements within construction environments.
• Ability to effectively manage programmes, resources and subcontractors.

Responsibilities

• Manage a designated area of responsibility to ensure construction activities are delivered safely, efficiently and in accordance with project requirements.
• Ensure construction works are completed in line with approved designs, specifications, standards and health & safety requirements.
• Monitor project costs and provide regular reports identifying budget deviations and corrective actions.
• Support the Package Manager in construction planning, decision‑making and project delivery activities.
• Produce and maintain detailed four‑week look‑ahead programmes and manage works to achieve agreed milestones.
• Monitor progress against programme requirements and provide recovery plans where delays or variances occur.
• Coordinate labour, plant and materials to ensure efficient delivery of the works.
• Review weekly plant, labour and material returns, identifying opportunities to reduce waste and improve productivity.
• Ensure completed work packages are ready for handover to the client.
• Maintain accurate records of site progress, variations and project performance.
• Work closely with commercial teams to review subcontractor applications, records and variation submissions.
• Ensure appropriate competency checks are completed for all personnel, subcontractors and third parties working within the area.
• Stop works immediately where unsafe operations are observed.
• Ensure all temporary works documentation, designs, methods statements and risk assessments are approved before works commence.
• Review and approve Inspection and Test Plans (ITPs), NCRs and quality documentation in line with project procedures.
• Liaise with clients, designers, subcontractors and third‑party stakeholders as required.
• Promote innovation, lessons learned and continuous improvement across the project.
• Support environmental, community and sustainability initiatives.
• Champion a strong safety‑first culture and collaborative team environment.

Skills

Site management

Subcontractor coordination

Program scheduling

Health & safety

Budget monitoring

Construction methods

Education

Degree in Civil Engineering

Job description

Do you have a Degree in Civil Engineering (or related discipline) together with experience working on major infrastructure, civil engineering or construction projects?

Have you successfully managed site operations, construction programmes, subcontractors and resources while ensuring compliance with health, safety, quality and commercial requirements?

Would you like to play a key role in delivering a nationally significant infrastructure project whilst gaining exposure to complex engineering challenges and career progression opportunities?

The Opportunity

Due to continued project growth and the ongoing delivery of a major UK infrastructure programme, our client is looking to appoint an experienced Sub Agent to support the successful delivery of a key package of works.

This is an excellent opportunity for a motivated construction professional to take ownership of a designated area of responsibility, ensuring works are delivered safely, efficiently, on programme and within budget. Working closely with the Package Manager and wider project teams, you will play a vital role in coordinating site activities, managing subcontractors, monitoring performance and driving construction excellence.

Your duties and responsibilities will be

• Manage a designated area of responsibility to ensure construction activities are delivered safely, efficiently and in accordance with project requirements.
• Ensure construction works are completed in line with approved designs, specifications, standards and health & safety requirements.
• Monitor project costs and provide regular reports identifying budget deviations and corrective actions.
• Support the Package Manager in construction planning, decision‑making and project delivery activities.
• Produce and maintain detailed four‑week look‑ahead programmes and manage works to achieve agreed milestones.
• Monitor progress against programme requirements and provide recovery plans where delays or variances occur.
• Coordinate labour, plant and materials to ensure efficient delivery of the works.
• Review weekly plant, labour and material returns, identifying opportunities to reduce waste and improve productivity.
• Ensure completed work packages are ready for handover to the client.
• Maintain accurate records of site progress, variations and project performance.
• Work closely with commercial teams to review subcontractor applications, records and variation submissions.
• Ensure appropriate competency checks are completed for all personnel, subcontractors and third parties working within the area.
• Stop works immediately where unsafe operations are observed.
• Ensure all temporary works documentation, designs, methods statements and risk assessments are approved before works commence.
• Review and approve Inspection and Test Plans (ITPs), NCRs and quality documentation in line with project procedures.
• Liaise with clients, designers, subcontractors and third‑party stakeholders as required.
• Promote innovation, lessons learned and continuous improvement across the project.
• Support environmental, community and sustainability initiatives.
• Champion a strong safety‑first culture and collaborative team environment.

You will have the following qualifications & experience:

• Degree qualification in a relevant Engineering discipline.
• Proven experience working in a similar Sub Agent, Section Engineer or Site Management role on major engineering or construction projects.
• Ability to produce, implement and manage safe systems of work.
• Strong understanding of construction methodologies and site management practices.
• Commercial awareness and understanding of the financial aspects of large‑scale construction projects.
• In‑depth technical knowledge relevant to your area of responsibility.
• Understanding of Contractor responsibilities under CDM Regulations.
• Excellent knowledge of current Civil Engineering practices and legislation.
• Strong understanding of Health, Safety and Environmental requirements within construction environments.
• Ability to effectively manage programmes, resources and subcontractors.

It's great if you also have the following

• Experience working on major infrastructure, utilities, transmission or energy projects.
• Previous experience within Tier 1 contractor or joint venture environments.
• Knowledge of National Grid project requirements and standards.
• Strong stakeholder management and communication skills.
• Experience in temporary works coordination and management.
• Working knowledge of NEC contracts.
• Leadership experience managing site teams and supply chain partners.
• Passion for continuous improvement, innovation and best practice.

The setting for the role

This role is site‑based within a major infrastructure project environment, supporting the delivery of complex construction activities. You will work closely with the Package Manager, engineers, supervisors, subcontractors and client representatives to ensure works are delivered safely, efficiently and to the highest standards of quality, programme and commercial performance. The role requires strong leadership, technical knowledge and a proactive approach to project delivery whilst supporting a positive, collaborative "One Team" culture.

Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.

We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we'll do our best to accommodate.

Millbank operates as both an Employment Agency and an Employment Business