HVAC Cost Engineer: Project Costing & Margin Insights

Gi Group; Connacht; On-site; EUR 45,000 - 55,000; Full time

Job summary

Gi Group Mayo is seeking a Cost Engineer to support the Financial Controller in controlling and reporting project and operational costs across the HVAC business. You will track costs, perform margin analysis, forecast, and drive cost improvement initiatives to ensure profitable delivery of HVAC projects and service contracts.

The role involves preparing cost reports, validating costs with Project Managers, and developing dashboards/KPIs such as gross margin by project and material usage.

Qualifications

• Minimum 3 years' experience in cost engineering / cost control / project accounting within HVAC, MEP, construction, engineering, or building services.
• Strong understanding of project cost structures and margin drivers.
• Advanced Excel skills (pivot tables, lookups); experience with ERP/job costing systems advantageous (e.g., Sage, SAP, Microsoft Dynamics, COINS, etc.).
• High attention to detail and ability to handle multiple live projects.

Responsibilities

• Track and analyse project costs (labour, materials, subcontractors, plant, overhead allocations) against budgets.
• Maintain accurate cost-to-complete (CTC) and cost-to-date reporting for live projects and service contracts.
• Prepare weekly/monthly cost reports, highlighting variances, risks, and corrective actions.
• Support month-end close activities related to job costing, accruals, and WIP (where applicable).
• Assist in project budgeting and set-up (cost codes, baseline budgets, spend profiles).
• Produce forecasts in collaboration with Project Managers and Operations (including cashflow and margin forecasting where required).
• Identify cost overruns early and propose mitigation measures.
• Work closely with Project Managers, Service Managers, Procurement and Stores to validate costs and improve cost capture.

Skills

Cost engineering

Cost control

Project accounting

Advanced Excel

Power BI

Tools

ERP / Job costing systems

Power BI dashboards

Job description

Gi Group Mayo is seeking a Cost Engineer to support the Financial Controller in controlling and reporting project and operational costs across the HVAC business. You will track costs, perform margin analysis, forecast, and drive cost improvement initiatives to ensure profitable delivery of HVAC projects and service contracts.

The role involves preparing cost reports, validating costs with Project Managers, and developing dashboards/KPIs such as gross margin by project and material usage.