Cost Manager

Job Description

Are you an experienced Cost Manager with a strong track record in managing project costs across major infrastructure programmes? You will play a key role in overseeing cost planning, control and commercial performance across nationally significant D&B infrastructure projects in Ireland including metro, aviation, rail, water and highway schemes. 

Join our Project & Programme Management team and help close the gap to a sustainable future. 

Your new role 
As Cost Manager, you will be responsible for managing cost and commercial activities across major infrastructure projects in Ireland. You will provide robust cost planning, forecasting and reporting, ensuring that projects are delivered within approved budgets while maintaining value for money. 

You will work closely with project managers, engineers, and commercial teams, supporting decision-making through accurate cost data and analysis, while ensuring alignment with contract requirements and project objectives. 

Working pattern 
Hybrid role requiring office and site attendance as required, with a majority of projects delivered in and around Dublin. 

Your key responsibilities will be:  

• Managing project cost control processes, including budgeting, forecasting and reporting 

• Developing and maintaining cost estimates, cost plans and cash flow forecasts 

• Monitoring project expenditure and performance against approved budgets 

• Supporting procurement activities, including cost input to tendering and contract evaluation 

• Administering and managing contracts in line with agreed commercial frameworks (e.g. NEC4) 

• Assessing and managing change, including variations, compensation events and claims 

• Providing cost advice and commercial insight to project teams and stakeholders 

• Contributing to risk management processes, including cost risk analysis and contingency management 

• Supporting value engineering and cost optimisation initiatives 

• Coordinating cost reporting and ensuring robust governance and audit trails 

• Liaising with contractors and stakeholders to ensure transparency and alignment on commercial matters 

About you  

• Experience in cost management or quantity surveying on major infrastructure or construction projects (e.g. metro, aviation, rail, water and highways schemes) 

• Strong understanding of cost planning, estimating, and cost control processes 

• Experience working with standard forms of contract (e.g. NEC4) and commercial management practices 

• Ability to manage budgets, forecasts and financial reporting in complex project environments 

• Experience supporting procurement and tender evaluation processes 

• Understanding of change management, including assessment of variations and claims 

• Good analytical skills, with attention to detail and the ability to interpret cost data effectively 

• Strong communication and stakeholder engagement skills 

• Proactive and organised, with the ability to manage multiple priorities 

• Degree in quantity surveying, commercial management, engineering or a related discipline (or equivalent experience) 

• Membership of a relevant professional body (e.g. RICS, ACostE, CICES, PMI, APM or equivalent). Chartership (MRICS or equivalent) is preferable 

What we can offer you  

• Commitment to your development  

• Leaders guided by our Leadership Principles  

• A culture that welcomes you as the unique person you are  

• Inspiration from colleagues, clients and projects  

• The long‑term thinking of a foundation‑owned company  

• Flexible work environment  

• 27 days annual leave plus bank holidays  

• Matched pension contributions  

• Private medical cover and life assurance 

Ready to join us? 
Please submit your application and CV online. We invite diversity in all its forms and encourage applicants from all groups to apply. 

Application deadline: 31.10.2026

​​Work at the heart of sustainable change with Ramboll 
​Ramboll is a global architecture, engineering, and consultancy company. As a foundation-owned people company, founded in Denmark, we believe that the purpose of sustainable change is to create a thriving world for both nature and people. So, that’s where we start – and how we work. Our history is rooted in a clear vision of how a responsible company should act and being open and curious is a cornerstone of our culture. Ramboll employs more than 18,000 people globally across 35 countries. Ramboll experts deliver innovative solutions across Buildings, Transport, Water, Environment & Health, Energy, Management Consulting, and Architecture & Landscape. Combining local experience with global knowledge, we help shape the societies of tomorrow.  

​Equality, Diversity, and Inclusion 
​Equality, diversity, and inclusion are at the heart of what we do. At Ramboll, we believe that diversity is a strength and that different experiences and perspectives are essential to creating truly sustainable societies. We are committed to providing an inclusive and supportive work environment where everyone is able to flourish and reach their potential. We also know how important it is to achieve the right balance of where, when, and how much you work. At Ramboll, we offer flexibility as part of our positive and inclusive approach to work. We invite applications from candidates of all backgrounds and characteristics. Please let us know if there are any changes we could make to the application process to make it more comfortable for you. You can contact us at job.advert.accessibility@ramboll.com with such requests.​​