Senior Mechanical Engineer
Location: Tandragee (option for hybrid working)
Job Type: Permanent, Full Time
Reports to: Managing Director
Salary: £40,000 - £50,000 + variable bonus
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
Essential Skills & Experience
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, backpressure 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
Desirable
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
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