Colas Ltd are a UK subsidiary of the global Colas Group, which operates in over 50 countries worldwide and employs over 55,000 people including over 1500 in the UK across multiple sites. We are specialists in highways construction and have been involved in large-scale UK and international construction projects within the highways, airfields, and marine sectors as well as offering highways maintenance services and manufacturing our own innovative surfacing products. We hold a 'Gold Investor in People' award for continuously developing and rewarding our employees, offering excellent career potential.
Purpose of the Role
We are seeking a Sub Agent for our Leigh operation - Salary £35,000 - £40000, working across various sites.
Allied Infrastructure (part of the Colas Group) services 95% of the UK’s commercial, private, and military airfields, specialising in airfield pavements and small civil engineering projects. As Sub Agent, you will manage operational performance on allocated contracts and support project and site management in delivering and monitoring contracts and supplier performance.
Main Responsibilities
The Sub Agent ensures the seamless delivery of internal and subcontracted works from inception to handover. You will prepare, review and approve all project documentation, including Risk Assessments Method Statements (RAMS), Inspection & Test Plans (ITPs) and permits to work, while managing both our internal permit system and the client’s Permit to Work process.
In close coordination with Site Supervision and Project Management, the Sub Agent will identify and organise the necessary resources, tools, equipment and materials, carry out look-ahead planning, monitor progress and costs, and raise early warnings for potential variations or delays. You will undertake regular site inspections, maintain daily diaries and shift reports, and ensure compliance with Colas health and safety standards and any client-specific rules via the EcoOnline system.
Your responsibilities will also include maintaining accurate as-built records, fostering effective teamwork with internal and external stakeholders, providing technical advice, building strong supplier relationships, and promoting a professional company image at all times.
The Ideal Candidate
The ideal candidate will be organised, communicative, and customer-focused, with a commitment to delivering projects on time, within budget, and to high standards. Ideally, you will hold a CSCS card, SMSTS qualification, and a full UK driving licence.
Proficiency in Microsoft Office, MS Project, and AutoCAD, along with knowledge of construction methods and safety regulations, is essential. Candidates should have relevant experience with a civil engineering contractor, strong technical skills, and the ability to interpret drawings. A qualification such as HND, HNC, BEng, or equivalent is required
Package Description
Here at Allied Infrastructure, we offer a great total compensation package, including:
• A salary of £35,000 - £40,000 per annum
• Our Colas Pension Scheme has combined contributions of up to 10%
• Life Assurance Scheme which is x4 basic salary
• 25 days annual leave per year + Public Holidays
• Holiday Purchase & Selling Scheme
• Hybrid Working Scheme (dependent on the role)
• Opportunities to study towards a fully funded Professional Qualification
• Ongoing personal/professional development
• Discounts on car leasing, holidays, cinema tickets, restaurants and much more through our online employee benefits portal
At Colas, our culture is guided by four core values: Respect, Commitment, Pioneering, and Sharing. These values shape how we work, collaborate, and grow together. We believe that respect is the foundation of every relationship. By treating others as we wish to be treated, we foster fairness, transparency, and inclusion within our teams and with our clients, communities, and partners. Commitment means dedicating ourselves fully to everything we do. We strive to create an environment where everyone feels valued, supported, and empowered to make a meaningful impact. With a pioneering spirit, we prioritise bold innovation over blind ambition. We welcome new ideas, invest in our people, and work to deliver sustainable infrastructure solutions that shape the future. Through sharing, we build trust and solidarity, encouraging collaboration and growth at all levels of the business.
Colas Ltd is committed to building a diverse and inclusive workforce that mirrors the communities we serve. As an equal opportunity employer, we welcome applications from all backgrounds. If you want a workplace where your voice is valued and your potential is developed, Colas is the right choice.
Note to Recruitment Agencies
In line with our Company Policy, Colas Ltd has a preference for direct hiring and we will reach out to our PSL (Preferred Suppliers List) agencies if the role is eligible for release. We do not accept speculative CVs from agencies. If a speculative CV is sent, no fee will be applicable.