Electrical Design Engineer

Alternative Heat Ltd; Armagh; On-site; GBP 40,000 - 55,000; Full time

Job summary

Alternative Heat Ltd is seeking an Electrical Design Engineer to deliver low-carbon electrical infrastructure across healthcare, education, leisure and residential sectors. You will develop coordinated designs including LV distribution, load assessments, circuit design, plant power supplies, lighting, metering, generators, transformers and interfaces with mechanical plant and BMS.

Collaboration with electrical, mechanical and BIM teams will produce calculations, schematics and layouts from

Responsibilities

• Deliver coordinated electrical designs from concept to construction, including load assessments, cable sizing and LV diagrams.

Skills

Load calculations

Cable sizing

LV distribution

Electrical design

BIM coordination

Regulatory compliance

Tools

Amtech

ElectricalOM

Job description

Electrical Design Engineer

Application Deadline: 28 September 2026

Department: Design

Employment Type: Permanent - Full Time

Location: Alternative Heat Head Office

Reporting To: Head of Design

Description

Team Overview: The Design department is responsible for developing innovative, practical, and fully coordinated mechanical and electrical building services solutions tailored to each project. Working closely with clients, project teams, and the BIM department, the design team transforms concepts into detailed, build-ready technical designs that meet regulatory standards, client specifications, and sustainability goals. Their work underpins the technical accuracy and efficiency of our installations, ensuring seamless integration from planning through to construction.

Role Overview: As an Electrical Design Engineer, you will help deliver the low-carbon energy infrastructure that supports Alternative Heat’s commitment to decarbonisation. You will develop coordinated electrical designs for projects across healthcare, education, leisure and residential sectors, including LV distribution, load assessments, circuit design, plant power supplies, general and emergency lighting, metering, generators, transformers, and electrical interfaces with mechanical plant and BMS packages. Working with the electrical, mechanical and BIM teams, you will produce calculations, schematics, schedules, and coordinated layouts from design development through construction and handover. Your work will contribute to safe, buildable, and energy-efficient systems that reduce carbon emissions and support our clients’ decarbonisation objectives.

Job Title | Electrical Design Engineer

Location | Banbridge

Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm

Salary | Competitive Depending on Experience

Responsible to | Head of Design

What You'll be Doing

Responsible for delivering coordinated electrical designs from concept through to construction, commissioning and as-built handover, including load assessments, cable sizing, voltage drop, fault current, protection and discrimination studies using Amtech or ElectricalOM. Duties include conducting site surveys, developing LV single-line diagrams, schedules, schematics and layouts, and specifying electrical systems such as switchgear, distribution boards, transformers, generators, cables and metering. The role also involves coordinating with multidisciplinary teams, including mechanical, controls, civil, structural and BIM, to resolve interfaces, equipment locations and service routes, as well as defining electrical interfaces with mechanical plant and BMS systems. Additional responsibilities include reviewing standards and legislation, preparing technical documentation and risk assessments, responding to RFIs and technical queries, attending design meetings, and supporting clients and project teams through procurement, construction, testing and commissioning, with occasional travel to sites across the UK and Ireland.

What You Need to Have

What You Would Ideally Have: