Senior Site Agent

Senior Site Agent - Infrastructure

Location: Leiston, Suffolk

Purpose of the role: As a Senior Site Agent on our new £124m highways scheme as part of Sizewell C, you will take full responsibility for management of your section of works ensuring you meet client and company performance expectations. You will report to the Project Manager, lead day‑to‑day management of the works, including mobilisation, working closely with the Works Manager and section leads.

• Contribute to creating a safe working environment.
• Manage day‑to‑day operations of a section of works, supervising site team and supply chain.
• Plan, monitor and coordinate the progress of assigned project sections.
• Take ownership of costs for multiple packages of work in collaboration with the commercial team.
• Capture and manage changes in scope (operations, commercial, programme or design).
• Understand and manage any temporary works requirements.
• Implement value engineering solutions and attend external client and stakeholder meetings.
• Report to the Project Manager on progress, performance and assist with cost forecasts and valuations.
• Ensure site teams and supply chain work to the latest design information, conducting regular H&S checks and CDM audits.
• Lead, manage and monitor site teams, ensuring competence, quality control and staff development.

• Demonstrates strong commitment to safety and knowledge of CDM 2015 regulations.
• Experienced in managing multiple or large packages of civil engineering work.
• Proficient in reading and interpreting drawings, specifications, schedules and programs.
• Effective communicator with site teams, subcontractors, designers and clients.
• Commercially astute with advanced problem‑solving and leadership abilities.
• Highly organised, capable of prioritising multiple tasks and delegating effectively.
• Holds relevant qualifications and certifications (HNC or higher, SMSTS, CSCS, Office 365/CAD proficiency; TWC and First Aid desirable).

With an impressive order book of over £4.1 billion we are one of the industry’s leading principal contractors, affording you the opportunity to work on some of the UK’s most exciting projects, offering stability, growth and the chance to stretch your capabilities and realise long‑held career goals. Galliford Try is a diverse, inclusive and authentic workplace that values and supports our people through initiatives such as our ‘Be Well’ programme and high‑quality training programmes.

• Generous holiday entitlement, increasing with years of service, plus the opportunity to purchase further holidays.
• A wide range of corporate discounts.
• Cycle to Work schemes.
• Comprehensive pension plan.
• Competitive family leave policy.
• Regular Save as You Earn share purchase scheme.
• Private medical scheme options and a 24/7 employee assistance programme.
• Paid membership to one recognised professional association relevant to your role.

Galliford Try welcomes applications from candidates who would like to work full‑time, part‑time and/or flexibly – this will be discussed in detail as part of the recruitment process. We encourage you to confirm any requirements we can reasonably fulfil to make this application a positive experience.

Don’t meet every requirement of the role? At Galliford Try, we are committed to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every requirement, we encourage you to apply anyway. You may be the right candidate for this or other roles.

As a Disability Confident employer, we are committed to offering an interview to any candidate with a long‑term health condition or disability that meets the essential criteria for the advertised position. Please contact the Resourcing Partner listed within the job advert if you believe this applies to you. We will also discuss any adjustments required for your interview.