Mechanical Engineer - Ireland

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing. We turn abstract ideas into realities that transform the world for good.

Ireland’s water sector is undergoing a major transformation. Unprecedented investment and technological innovation are creating a once‑in‑a‑generation opportunity to redefine water and wastewater infrastructure. We partner with Uisce Éireann, Northern Ireland Water and the Department for Infrastructure to deliver critical water and wastewater services, flood management solutions and environmental protection projects that make a real difference to communities across Ireland.

• Deliver mechanical design excellence for water and wastewater systems, including pumping stations, treatment plants and associated infrastructure, from concept through completion.
• Participate in value engineering and buildability workshops, delivering sustainable and innovative design solutions.
• Develop feasibility studies, outline and detailed designs, and provide construction and commissioning support.
• Produce design layouts, technical specifications, datasheets and P&IDs for mechanical systems.
• Specify mechanical equipment such as pumps, blowers, screens, valves, chemical dosing plants and odour control systems.
• Conduct site surveys and investigations, liaising with clients, contractors and suppliers.
• Ensure designs meet Irish and UK water industry standards, health & safety and environmental regulations.
• Mentor junior engineers and contribute to building a strong, collaborative team culture.
• Work closely with civil, electrical and process engineers to deliver integrated solutions.
• Support or lead design management, scheduling, risk management and financial forecasting.

• Working toward or holding chartered status (e.g., IMechE or Engineers Ireland).
• Experience ranging from developing core mechanical engineering skills to 12+ years in detailed design and Design & Build execution for water, wastewater, and bioresources projects.
• Strong understanding of mechanical engineering principles, project lifecycle management and mechanical equipment used in water/wastewater treatment.
• Familiarity with Irish water sector regulations, health & safety and environmental standards.
• Excellent communication, collaboration and organisational skills; leadership experience for senior roles.
• Robust understanding of health, safety and welfare legislation.
• Experience with design tools (e.g., AutoCAD, Revit, BIM) is advantageous.

• Grow Your Career – From early talent to seasoned professionals, we offer clear paths for progression and development.
• Shape the Future of Water – Work on innovative, high‑impact projects that protect resources and drive sustainability.
• Collaborate with the Best – Partner with industry‑leading clients and experts in a thriving, future‑focused sector.

Ready to make a difference? Join Jacobs and help deliver smarter, sustainable water solutions for generations to come. Apply today and be part of the change!