Cost Engineer

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

Job summary

Gi Group in Mayo is seeking a Cost Engineer to support the Financial Controller in controlling and reporting project and operational costs across HVAC projects and service contracts.

The role requires 3+ years in cost engineering or cost control, strong Excel skills, and experience with Power BI dashboards. This is a permanent, full-time on-site position with a salary of €45,000-€55,000 DOE.

Qualifications

• 3+ years in cost engineering or cost control in HVAC/MEP/construction or building services.
• Strong understanding of cost structures and margin drivers.
• Advanced Excel skills for Pivot, LOOKUPs and reporting; ERP experience is a plus.
• Experience producing Power BI dashboards or automated reporting.
• Excellent communication and ability to challenge variances constructively.

Responsibilities

• Track and analyse project costs against budgets.
• Maintain cost-to-complete and cost-to-date reporting for live projects.
• Prepare weekly/monthly cost reports highlighting variances and actions.
• Support month-end close activities related to job costing, accruals, and WIP.
• Assist in project budgeting and cost code setups.
• Produce cashflow and margin forecasts with Project Managers.

Skills

Cost engineering

Project costing

Advanced Excel

Power BI

Communication

Tools

Sage

SAP

Microsoft Dynamics

COINS

Job description

Job Title: Cost Engineer
Reporting to: Financial Controller
Location: Mayo
Salary: €45,000-€55,000 (DOE)
Experience: 3+ years (cost control / project costing ideally within HVAC, MEP, construction, building services, or engineering)
Contract: Permanent, Full-time

Role Overview

The Cost Engineer will support the Financial Controller in controlling and reporting project and operational costs across the HVAC business. This role focuses on accurate cost tracking, margin analysis, forecasting, and cost improvement initiatives to support profitable delivery of HVAC projects and service contracts.

Key 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.
• Support procurement decisions through supplier spend analysis and pricing comparisons.
• Assist in evaluating change orders/variations and their cost impact (in coordination with commercial/ops teams).Improve costing processes, ensuring consistent coding, approvals, and documentation.
• Support audits by maintaining clear supporting files for costs, accruals, and project reporting.
• Develop and maintain dashboards/KPIs (e.g., gross margin by project, productivity, material usage, subcontractor performance).

Key Relationships

• Project Managers / Contracts Managers / Service Delivery
• Procurement, Stores/Warehouse, Accounts Payable
• Senior Management (for reporting and performance insights)

Required Experience & Skills

• 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, reporting); 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.
• Confident communicator-able to challenge cost variances constructively with operational teams.
• Strong organisational skills and ability to work to month-end deadlines.
• Knowledge of WIP accounting, revenue recognition, or construction/engineering financial reporting.
• Experience producing Power BI dashboards or automated reporting.
• Exposure to estimating/tender support or post-project cost reviews.

KSGalway