Graduate Mechanical Engineer - 2026

Job Title: Graduate Mechanical Engineer

Location: Limerick, Ireland.

Department: Engineering

About H&MV Engineering:

H&MV Engineering is a global leader in high-voltage electrical engineering, powering the transition to a sustainable future. We’re at the cutting-edge of renewable energy, data centres, and complex utility projects - powered by a commitment to continuous improvement and innovation.

Our foundation is built on safety, collaboration, and respect. These values shape how we work, how we lead, and how we grow. And at H&MV Engineering, growth isn’t just a goal—it’s a mindset.

We invest in our people, offering opportunities to develop, lead, and shape the future of energy. We value passion, motivation, and problem-solving skills, and we believe that diverse perspectives fuel better outcomes.

We’re not here to keep up—we’re here to lead.

About the Role:

As a Graduate Mechanical Engineer at H&MV, you will be an integral part of a team that focuses on the design, engineering, and construction of medium and high-voltage substations and switching stations. You will work alongside experienced engineers to gain hands-on experience in mechanical engineering, contributing to the success of large-scale electrical infrastructure projects. You will assist in the design, implementation, and troubleshooting of mechanical systems while gaining valuable exposure to multi-disciplinary engineering practices.

Support in Mechanical Design and Engineering:

•  Assist in the design of mechanical systems, including ventilation systems, structural supports, cable tray systems, and cooling solutions for substations.
• Support senior engineers in producing detailed mechanical drawings, specifications, and reports for project proposals and construction.
• Participate in the selection and specification of mechanical components and material

Project Assistance and Coordination:

• Help with the coordination of mechanical tasks within the larger project scope, ensuring that design work is completed within timelines.
• Work with project managers and senior engineers to assist in the preparation of project schedules, reports, and documentation.
• Assist with site visits, gathering data, and providing on-site technical support for mechanical systems during construction and commissioning phases.

Learning and Development:

• Participate in training and mentoring programs to develop your technical skills and knowledge of the industry.
• Continuously improve your understanding of mechanical engineering principles, electrical substations, and switching stations.

Safety and Compliance: 

• Learn and adhere to safety standards and industry regulations, ensuring mechanical systems are compliant with HSE (Health, Safety, and Environment) protocols.
•  Assist in ensuring that mechanical designs and systems comply with national and international standards.

Problem-Solving and Troubleshooting: 

• Work with senior engineers to identify and resolve mechanical issues that arise during the design or construction phases.
• Assist with testing and commissioning of mechanical systems to ensure they meet operational requirements.

Documentation and Reporting: 

• Support the preparation and maintenance of project documentation, including design calculations, technical reports, and compliance records.
• Participate in project meetings, providing updates and receiving feedback to improve your skills and knowledge.

Working Environment:

• This role offers a blend of office-based design work, on-site engineering support, and direct interaction with various engineering disciplines.
• As a graduate, you will receive mentorship and training, providing you with the opportunity to develop your career in mechanical engineering within the power infrastructure sector.

Key Requirements:
•    A degree in Mechanical Engineering or a related discipline.

Skills & Competencies:
•    A passion for engineering and an eagerness to learn and grow in a fast-paced environment.
•    Strong communication and teamwork skills.
•    A proactive, problem-solving mindset and the ability to take initiative.

H&MV Engineering is an Equal Opportunity Employer

We value diversity and are committed to creating an inclusive environment for all employees.

Ready to energise your career?

Join our inclusive team and help build a brighter, more sustainable future—one project at a time.