Senior Electrical Estimator (Data Centres)

Alternative Heat Ltd; Ireland; On-site; EUR 65,000 - 90,000; Full time

Job summary

Alternative Heat Ltd in Dundalk is seeking a Senior Electrical Estimator for data centre projects. You will assist in preparing accurate costings for electrical works, develop detailed take-offs, and liaise with suppliers to obtain quotations.

You will work closely with contract managers and the wider commercial team to ensure a seamless link from costing through to design, installation and project completion. The role includes a weekly presence in Belfast (1 day).

Responsibilities

• Prepare tender and enquiry review packs to support bid decisions.
• Review schematics, designs and 3D drawings for accurate costs.
• Complete electrical material and labour take-offs for projects.
• Source and validate supplier and subcontractor quotations.
• Maintain cost data and benchmarking tools for bids.
• Analyse labour requirements with the commercial team.
• Attend site and internal meetings and prepare handover packs.

Job description

Senior Electrical Estimator (Data Centres)

Application Deadline: 5 August 2026

Department: Estimating

Employment Type: Permanent - Full Time

Location: Dundalk

Reporting To: Lead Estimator Data Centres

Description

Team Overview: The Commercial & Estimating department is central to ensuring the financial viability and contractual success of our projects. Responsible for cost management, procurement, valuations, and contract administration, the team works closely with project managers, quantity surveyors, and clients to monitor budgets, mitigate risk, and maximise value throughout the project lifecycle. Their expertise ensures projects are delivered on time, within budget, and in line with contractual obligations — safeguarding both client satisfaction and company profitability.

Role Overview: Reporting to the Lead Estimator you will be an essential part of the Commercial Team responsible for assisting in the preparation of accurate costings for electrical works associated with our data centre projects.

Day-to-day estimating will include costing of a wide range of commercial and industrial applications, from bespoke plantrooms, risers, laterals & prefabricated solutions.

Be responsible for generating detailed mechanical takeoffs for turnkey commercial projects which will involve liaising with a wide range of suppliers to obtain accurate quotations for specialist equipment.

Liaise with our contract managers, purchasing department & wider commercial department in order to generate a seamless link from initial costing through to design, installation and completion for each project. The role will primarily be based out of our Dundalk office, however the successful applicant will be required to attend the Mallusk office one day a week.

Job Title | Senior Electrical Estimator | Location | Dundalk, Co. Louth (1 day a week in Belfast) | Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm | Salary | Competitive Depending on Experience | Responsible to | Lead Estimator Data Centres

What You'll be Doing

The role involves preparing tender and enquiry review packs to support bid/no-bid decisions, reviewing schematics, designs and 3D drawings, and completing electrical material and labour take-offs to develop accurate project costs. It also includes sourcing and validating supplier and subcontractor quotations, maintaining cost data and benchmarking tools, analysing labour requirements with the commercial team, attending relevant site and internal meetings, and preparing comprehensive handover packs for successful projects to support a smooth transition to the delivery team.