Senior Electrical Estimator (Data Centres)

Alternative Heat Ltd; Leinster; Hybrid; EUR 60,000 - 85,000; Full time

Job summary

Alternative Heat Ltd in Dundalk, Co. Louth, is seeking a Senior Electrical Estimator to support our data centre projects.

You will prepare tender and enquiry packs, review schematics and 3D drawings, and generate accurate electrical costings for complex turnkey installations. Based at our Dundalk office with one day a week at Belfast, you will liaise with suppliers, contract managers and the wider commercial team to ensure costs are robust from initial costing through to delivery.

Qualifications

• Experience preparing tender and enquiry packs for electrical projects.
• Ability to review schematics and 3D drawings to develop accurate project costs.
• Strong cost-control mindset with attention to value and risk.

Responsibilities

• Prepare tender and enquiry review packs to support bid decisions.
• Take-offs for electrical material and labour; develop robust project costs.
• Liaise with suppliers, subcontractors and the commercial team to validate quotations.
• Provide handover packs to enable smooth transition to delivery.

Skills

Tender preparation

Cost estimation

Stakkeholder liaison

Education

Bachelor's degree in Electrical Engineering

Tools

Excel

Costing software

Job description

Application Deadline: 26 August 2026

Department: Estimating

Location: Dundalk

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.