Senior Mechanical Design Engineer
Department: Building Services
Employment Type: Permanent - Full Time
Location: Alternative Heat Head Office
Reporting To: Head of Engineering DFMA
Description
Team Overview
Within one of these Business Units, Alternative Heat deliver turnkey plantroom packages at scale, directly to hyperscale developers throughout Europe, under long-term framework agreements. This Business Unit is scaling at pace, and we have secured a 5‑year framework agreement to design, manufacture and deliver volume based, turnkey plantroom modules (mechanical, electrical and BMS) to projects throughout Europe, with demand set to increase annually.
Role Overview
Lead and deliver the mechanical building services design for modular plantrooms, plantroom skids and multi-service MEP modules on hyperscale datacentre projects, taking responsibility from initial design development through calculations, equipment selection and coordinated design package delivery. Provide technical leadership and mentorship to engineers, graduates and apprentices, ensuring quality through design checking and approval processes. Working closely with the Head of Engineering, Lead Design Coordinator and DFMA Lead, coordinate resources, priorities and project deliverables while taking ownership of assigned design packages. Resolve complex technical challenges, identify and manage design risks, and elevate any significant issues, scope gaps or incomplete client requirements to the Head of Engineering to ensure successful project delivery.
Job Title | Senior Mechanical Design Engineer
Location | Head Office, Banbridge
Hours | Monday-Thursday 8am-5pm and Friday 8am-3pm
Salary | Competitive Depending on Experience
Responsible to | Head of Engineering DFMA
What You'll be Doing
The role involves leading the delivery of mechanical building services designs, including reviewing client specifications, developing system schematics and operating sequences, completing system calculations, and selecting suitable equipment to meet performance and maintenance requirements. It requires ensuring technical accuracy, compliance with relevant standards and design assurance processes, while assessing risks, resolving technical issues and coordinating designs with clients, suppliers, manufacturing, assembly and DFMA teams. The role also includes supporting procurement, bids, testing and commissioning interfaces, managing design documentation and digital workflows, coordinating project deliverables and resources, and mentoring junior engineers. In addition, it involves maintaining design quality and control, managing design changes, and driving continuous improvement through standardisation, lessons learned and cost‑efficient design, while retaining ownership of mechanical design intent and coordinating with DFMA engineers responsible for detailed fabrication and assembly documentation.
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Senior Mechanical Design Engineer in Armagh employer: Alternative Heat Ltd
Alternative Heat Ltd is an exceptional employer, offering a collaborative work culture that fosters innovation and professional growth. Located in Banbridge, Northern Ireland, employees benefit from a supportive environment with opportunities to work on cutting-edge projects across the UK and Europe, all while enjoying a balanced work schedule from Monday to Thursday. Join us to be part of a team that values your contributions and invests in your career development.
