Water & Wastewater Process Design Engineer — Naas

Global Professional Consultants; Naas; On-site; EUR 55,000 - 65,000; Full time

Job summary

Global Professional Consultants seeks a Process Design Engineer for water and wastewater projects based in Naas, Co. Kildare. The role centers on the process design and delivery of treatment plants, upgrades and major infrastructure schemes.

You should have 3+ years of water/wastewater design experience with strong knowledge of P&IDs, PFDs, hydraulic calculations and equipment sizing, and you will coordinate with multidisciplinary teams through tender, detailed design and construction support.

Qualifications

• 3+ years’ experience in process engineering or process design within the water/wastewater sector.
• Degree in Chemical, Process, Environmental, or Mechanical Engineering, or related discipline.
• Proficient in P&IDs, PFDs, hydraulic calculations, and equipment sizing.
• Experience with Uisce Éireann or UK water utility projects is advantageous.

Responsibilities

• Carry out process design for water and wastewater treatment plants, including upgrades and new installations.
• Develop and review P&IDs, Process Flow Diagrams (PFDs), and mechanical GA drawings.
• Complete hydraulic calculations, process calculations, mass balances, and equipment sizing.
• Prepare technical specifications, design reports, and engineering documentation.
• Provide technical input into pumps, pipework, valves, and treatment equipment selection.
• Coordinate designs with mechanical, electrical, civil, and automation engineering teams.
• Support tender design, detailed design, and project delivery.
• Liaise with clients, consultants, and project teams to resolve technical queries.
• Ensure designs meet Uisce Éireann requirements and relevant industry standards.
• Provide technical support during construction and commissioning where required.

Skills

P&IDs

PFDs

Hydraulic calculations

Process design

Treatment plant systems

AutoCAD

BIM

Multidisciplinary coordination

Pumps and valves

Communication skills

Education

Chemical/Process/Environmental/Mechanical Engineering degree

Tools

AutoCAD

BIM

Process modelling software

Job description

Global Professional Consultants seeks a Process Design Engineer for water and wastewater projects based in Naas, Co. Kildare. The role centers on the process design and delivery of treatment plants, upgrades and major infrastructure schemes.

You should have 3+ years of water/wastewater design experience with strong knowledge of P&IDs, PFDs, hydraulic calculations and equipment sizing, and you will coordinate with multidisciplinary teams through tender, detailed design and construction support.