The Colas Group operates internationally in all aspects of transport infrastructure. As part of the global organisation, Colas Ireland is primarily involved the distribution of bitumen products, emulsion and emulsifier manufacturing, and the provision of specialist road maintenance services on the national, regional and local road network. In Ireland Colas operates from 14 locations across the island of Ireland.
As Project Manager (Contractor’s Representative) you will work for Colas Contracting Limited and report to the Contracts Manager based in either Mallow Co Cork or Kilcolgan Co. Galway. You will be responsible for planning and delivering site operations within your remit to specification, safety standards and client requirements, while ensuring contracts achieve their financial targets. You will act as the Project Supervisor Construction Stage (PSCS) where required, prepare construction-stage health and safety plans, and lead day-to-day site activities including resource, plant and material scheduling. Building and maintaining professional customer relationships with clients, Local Authority and TII personnel is a key priority, as is working cross-functionally within Colas (HR, Safety, Environmental, Commercial) to ensure compliant, efficient delivery of works across our national road and sign installation programmes.d a commercial mindset are essential.
The Project Manager (Contractor’s Representative) serve as PSCS, preparing Construction Stage H&S Plans and conducting site and temporary traffic management audits. Ensure site inductions, method statements and Safe Systems of Work are communicated and followed. Manage contractors’ programmes, day‑to‑day operations and resources (plant, labour, materials), including ordering and daily records, to meet programme, financial and KPI targets. Liaise with the Employer’s Representative, Colas departments and external stakeholders (TII, Local Authorities, service providers) to ensure contractual, statutory and company compliance. Promote environmental best practice and foster positive employee relations and teamwork.
The ideal candidate will have a minimum of five years’ experience managing sign installation works on high‑speed national roads and delivering contracts, with relevant qualifications/certificates in road signs and Health & Safety and strong knowledge of the Traffic Signs Manual and Dashboard Manual. They will demonstrate proven leadership, organisation and problem‑solving skills, the ability to work on their own initiative and to manage teams, and be proficient in MS Office (Outlook, Word, Excel, SharePoint).
Here at Colas Group, we offer a great total compensation package, including: circa €60,000
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 Group 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.

Colas, a subsidiary of the Bouygues Group, is a major player in the construction and maintenance of transportation infrastructure and urban development.
Colas covers the entire value chain: from industrial production to service offerings, including construction work.
Thanks to its local presence in some fifty countries on five continents 🌍, Colas achieved a consolidated revenue of €15.9 billion in 2024, 59% of which is outside France.
With its 64,000 employees 👷♀️👷♂️, a network of 2,000 operating units comprising 3,500 production units, and nearly 45,000 projects per year, Colas is the trusted partner of its customers.
Colas maintains its pioneering, innovative and responsible spirit to connect people and foster the sustainable development of territories 🚀 ♻.
Colas shares the four founding values of the Bouygues Group, which form the basis of its corporate culture and the way it operates on a daily basis:
• Respect: treat others how you would like to be treated.
• Commitment: for us, commitment is about giving your heart and soul.
• Pioneering: bold innovation, not blind ambition.
• Sharing: at Bouygues, knowledge and experience are meant to be passed on.
At Colas, it’s our people who drive our company forward.
We strive to develop talent, and we give those who join the company the opportunity to reach their full potential throughout their careers.
Because, when you join Colas, we hope you’ll make a career here.