Graduate Mechanical​/Process Engineer

Closing Date

Tuesday 4th August 2026 at 00:00

Established over 60 years ago in Belfast, Lagan Specialist Group is a leading, family-owned business that continues to grow, employing over 650 people across the UK, Ireland and internationally. The Group’s strength lies in its diverse range of business un its and sectors, positioning it at the forefront of traditional construction and engineering, with a strong focus on innovation and new technology.

Lagan MEICA is a leading provider of process, mechanical, electrical and automation engineering services, specialising in the design, installation and commissioning of new-build water and wastewater treatment plants. As a business, we continue to grow and are delivering an increasing number of exciting, state-of-the-art projects.

This is an excellent opportunity to begin your engineering career within a dynamic Mechanical, Electrical, Instrumentation, Control & Automation (MEICA) environment, primarily supporting projects in the water and wastewater sector.

As part of a multidisciplinary team, you will gain hands on experience across the full project lifecycle including design, procurement, installation, and commissioning, while working towards professional accreditation (e.g. IMechE, MIET).

• Work on essential infrastructure projects across water and wastewater sectors.
• Gain hands-on experience across design, site delivery, and commissioning.
• Be supported through a clear graduate development pathway.

Some of your main duties will include:

• Support the delivery of engineering packages in line with project schedules and milestones.
• Assist in the review and coordination of drawings, models, and technical specifications.
• Monitor installation progress and report on performance against programme targets.
• Attend site meetings, design reviews, and coordination workshops.
• Assist with commissioning, testing, and project handover activities.
• Maintain accurate and up-to-date project documentation.

• Contribute to the development of mechanical and process designs in accordance with project requirements.
• Review designs to ensure buildability, efficiency, and cost-effectiveness.
• Support value engineering initiatives and identify opportunities for improvement.
• Coordinate with CAD/BIM teams to deliver accurate and compliant design outputs.
• Review supplier and subcontractor technical submissions.
• Provide technical support to site and construction teams.

• Support compliance with Health & Safety legislation and CDM Regulations.
• Assist in preparing and reviewing risk assessments and method statements.
• Promote a strong health and safety culture across all activities.
• Identify and report risks, hazards, and near misses.
• Ensure designs consider and mitigate safety risks prior to construction.
• Participate in quality inspections, audits, and assurance processes.

• Assist in obtaining and evaluating supplier and subcontractor quotations.
• Support the preparation of tender documentation and cost estimates.
• Help prepare technical specifications for procurement packages.
• Raise and manage purchase orders using internal systems.
• Assist the commercial team with cost monitoring, variation management, and reporting.
• Maintain accurate commercial and project records.

• Work collaboratively with project managers, engineers, and site teams.
• Liaise with other engineering disciplines, designers, and subcontractors.
• Communicate technical information clearly to internal and external stakeholders.
• Participate in training and development programmes
• Work towards achieving professional accreditation (e.g., IMechE, MIET)
• Support a culture of teamwork, innovation, and continuous improvement.

Our values are important to how we run our business. We have been awarded Platinum Investors in People in recognition of our people management practices…