Senior Mechanical Engineer

Armagh, United Kingdom | Posted on 01/26/2026

• City Armagh
• State/Province Armagh
• Country United Kingdom

Senior Mechanical Engineer

Job Type:Permanent, Full Time

Reports to:Managing Director

About the Role

The company is entering a major growth phase as demand for on-site power generation surges across the UK, Ireland, and beyond. Businesses, industrial users, critical infrastructure, and data centres are investing heavily in on-site power generation. The company designs, supplies, integrates, and supports high-performance generation systems that keep industries moving.

As the power generation market grows, the company is poised to scale significantly. We seek a Senior Mechanical Engineer to drive this next chapter and become a future technical leader.

Role Overview

The Senior Mechanical Engineer will lead the design, development, and delivery of advanced mechanical systems for backup power, hybrid generation, and energy storage solutions. You will collaborate with sales teams, electrical engineers, production supervisors, and commissioning teams to ensure systems meet customer needs, performance, safety, and compliance standards.

This role is technical, hands-on, and customer-facing. You will influence product evolution, engineering best practices, and the wider technical strategy as the company scales.

Key Responsibilities

Lead mechanical design and engineering for generator sets, hybrid systems, and packaged power solutions

Perform detailed airflow and cooling calculations, including heat rejection, pressure losses, ventilation sizing, and fan selection

Carry out noise attenuation calculations, including acoustic treatment design and silencer specification

Design mechanical layouts, exhaust systems, fuel systems, ducting, supports, and mounting arrangements

Develop containerised generator solutions, including cooling airflow strategies, structural requirements, and service access provisions

Prepare detailed mechanical drawings, calculations, specifications, and design documentation

Oversee product compliance with relevant standards

Support factory acceptance tests, site acceptance tests, and commissioning activities

Troubleshoot and resolve complex airflow, cooling, or noise issues on customer sites

Guide junior engineers and contribute to internal technical training

Collaborate with sales and project teams to develop technical proposals and solution architectures

Participate in the continuous improvement of engineering processes, documentation, and product quality

Degree in Mechanical Engineering or related discipline

7+ years’ experience in power generation or similar industrial sectors

Strong understanding of engine cooling systems, heat rejection, ventilation, and high-ambient derating

Experience with mechanical packaging, enclosure/container/canopy design, and safety & serviceability considerations

Knowledge of exhaust systems, back pressure management, and emissions compliance fundamentals

Ability to produce high quality engineering drawings and documentation

Competent in using 2D CAD and 3D design software (Creo)

Proven track record managing engineering deliverables in fast-paced projects

Excellent communication skills, including technical explanation to non-engineers

Chartered Engineer or working towards chartership

Experience with CFD for airflow and thermal modelling

Familiarity with CHP packages

Familiarity with backup systems for critical industries such as data centres, utilities, manufacturing, or emergency services

Knowledge of emissions compliance and modern engine technologies

What We Offer

Opportunity to shape the technical future of a company positioned for major growth

Work on cutting-edge power generation and hybrid technologies

Competitive salary + performance incentives

Professional development and chartership support

A collaborative environment where engineering excellence is truly valued

Flexible working & hybrid options

Structured progression to senior leadership