Job Description

Title -

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 Rapid Power Generation

Rapid Power Generation is entering a major growth phase as demand for on site power generation continues to surge across the UK, Ireland, and beyond. As businesses, industrial users, critical infrastructure, and data centres invest heavily in on site power generation, Rapid Power Generation is positioned to become a leading force in delivering prime, standby and hybrid energy solutions. We design, supply, integrate, and support high performance generation systems that keep industries moving.

As the power generation market continues to grow, Rapid Power Generation is poised to scale significantly. We are seeking a Senior Mechanical Engineer to help drive this next chapter, and to become one of the future technical leaders of the company.

Role Overview

The Senior Mechanical Engineer will take a lead role in designing, developing, and delivering advanced mechanical systems for backup power, hybrid generation, and energy storage solutions. You will work closely with our sales team, electrical engineers, production supervisors and commissioning team to ensure that all systems are designed to meet the customers' needs, as well as meeting the required performance, safety, and compliance standards.

This role is technical, hands on, and customer facing. You will influence product evolution, engineering best practice, and the wider technical strategy as Rapid Power 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
Job Types: Full-time, Permanent

Pay: 40,000.00-50,000.00 per year

Benefits:

Flexitime On-site parking
Work Location: In person