Published 2026-03-03
Estimator - Operations and Maintenance (O& M)
Location: Limerick, Ireland
Employment Type: Full-Time
Overview
We are looking for an Estimator - (O& M) to join the APC team! This is a full-time position based at our Limerick office. The core working hours are 8:00 am-5:00 pm (including a 1-hour break), Monday to Friday.
Position Summary
The Estimator - (O& M) is responsible for preparing accurate cost estimates for power station O& M mechanical works to support tender preparation, commercial submissions, and post-award handover to delivery teams.
In this role, you will be working with other members of the Estimating, Operations and Maintenance team, as well as occasionally with the other Procurement and Engineering team/teams, and will be reporting to the Business Development Director.
Responsibilities
Prepare accurate, clear, and auditable cost estimates for power station O& M mechanical works.
Review RFQs/enquiries, confirm scope boundaries, and issue clarifications, assumptions, exclusions, and qualifications.
Develop labour-hour build-ups and pricing using APC methods, historic data, and repeatable annual work norms.
Work with the Operations Manager to agree on methodology, resourcing, access constraints, outage sequencing, and durations.
Remain largely self-sufficient; engage procurement team for exceptional items and specialist vendor pricing when required.
Price all costs, including labour, site set-up, management, tools/consumables, welding requirements, HSQE/quality documentation, NDT, scaffolding, heat treatment, insulation, transport, hire/plant/cranes, safety services and materials.
Attend site visits/walkdowns where needed to validate access, logistics and execution assumptions.
Support internal bid reviews and client negotiations.
Handover the estimate basis and budget structure to the delivery after the award.
Support APC's other business functions as applicable to gain further experience.
The above job responsibilities are intended to describe the general nature and level of work performed by individuals assigned to this position. The above list is not intended to be an exhaustive list of responsibilities, duties and skills required.
What we're looking for
Estimating experience in mechanical works (ideally power generation / heavy industry maintenance).
Strong labour-hour build-up capability and practical understanding of outage/shutdown environments
Advanced Excel skills and strong quantitative capability.
Working knowledge of cost drivers such as scaffold, NDT, cranes/lifting, plant hire, welding controls, and site logistics.
Clear communication and disciplined documentation of assumptions and the estimate basis.
Benefits
21 days annual leave + bank holidays
Company Pension Scheme
Life Assurance Scheme
Training & education opportunities
Work-Life balance
Company-sponsored events
About the Atlantic Projects Company
The Atlantic Projects Company (APC), a wholly owned subsidiary of Argan Inc. (NYSE: AGX), has been servicing the electricity, oil, gas and process sectors for half a century, and has become one of the most experienced power industry contractors in the world. Installing and maintaining advanced-technology gas turbines, steam turbines, hydro turbines, boilers, HRSGs, compressors and other rotating equipment as well as power grid stabilisation, our complex engineering solutions have helped fuel the power generation industry on a global scale.
Additional information about APC can be found at www.atlanticprojects.com .
APC is fully committed to supporting diversity and to creating an inclusive culture. We feel we have a responsibility to reflect these differences, where possible, in the people we employ and the way we operate. At APC, we are committed to being an inclusive employer and not discriminating against anyone, on a basis of their Gender, Marital status, Family status, Age, Disability, Sexual orientation, Race, Religion or Membership of the travelling community.
