Water & Wastewater Process Design Engineer

Added 19/08/2026

We are seeking a Water & Wastewater Process Design Engineer to contribute to the development and delivery of innovative, efficient and sustainable water and wastewater treatment solutions. You will work across a range of projects, supporting the design of treatment processes from concept and feasibility through to detailed design, construction and commissioning. The role offers the opportunity to collaborate with engineers, technical specialists, project managers, contractors and clients to deliver high-quality infrastructure that meets regulatory, operational and environmental requirements. Your responsibilities will include developing process design calculations, mass balances, process flow diagrams, piping and instrumentation diagrams, equipment specifications, technical reports...

Wastewater Process Design Engineer - USA

Added 06/10/2026

Wastewater Process Design EngineerLocations: New York (Various States) Salary: Up to $150,000 + Bonus + Excellent BenefitsThe OpportunityOur client, a highly respected engineering consultancy, is seeking an experienced Municipal Wastewater Process Design Engineer to join its growing Water Infrastructure team.This position offers the opportunity to lead the design and delivery of complex municipal wastewater treatment projects, working alongside multidisciplinary teams on critical infrastructure that supports environmental sustainability and community development.The successful candidate will play a key role across the full project lifecycle, from feasibility studies and process design through to construction support and commissioning.Key ResponsibilitiesLead municipal wastewater treatment process design...

Wastewater Process Design Engineer - USA

Added 06/10/2026

Wastewater Process Design EngineerLocations: New York (Various States) Salary: Up to $150,000 + Bonus + Excellent BenefitsThe OpportunityOur client, a highly respected engineering consultancy, is seeking an experienced Municipal Wastewater Process Design Engineer to join its growing Water Infrastructure team.This position offers the opportunity to lead the design and delivery of complex municipal wastewater treatment projects, working alongside multidisciplinary teams on critical infrastructure that supports environmental sustainability and community development.The successful candidate will play a key role across the full project lifecycle, from feasibility studies and process design through to construction support and commissioning.Key ResponsibilitiesLead municipal wastewater treatment process design...

Process Engineer Water/Wastewater (PE)

Added 22/10/2026

Process Engineer – Water/Wastewater (PE) We are seeking an experienced Process Engineer to support the planning, design and delivery of water and wastewater treatment projects. This role will suit a technically capable professional who can develop practical, sustainable solutions and work effectively with multidisciplinary teams, clients, contractors and operational personnel. You will contribute across the full project lifecycle, from feasibility studies and process selection through to detailed design, commissioning and operational support. The position offers the opportunity to work on a varied portfolio of infrastructure and treatment projects, helping to improve asset performance, regulatory compliance and environmental outcomes. Key responsibilities...

Water/Wastewater Process Engineer (PE)

Added 20/10/2026

We are seeking a Water/Wastewater Process Engineer (PE) to support the planning, design and delivery of water and wastewater treatment projects. The successful candidate will provide technical expertise across the project lifecycle, from feasibility studies and process selection through to detailed design, construction support, commissioning and operational performance reviews. You will work on a range of schemes involving drinking water treatment, wastewater treatment, pumping stations, storage, sludge processing and associated infrastructure. Key responsibilities will include developing process design basis reports, mass balances, process flow diagrams, piping and instrumentation diagrams, equipment specifications, hydraulic calculations and technical schedules. You will prepare and...

Senior Water/Wastewater Process Engineer

Added 30/09/2026

We are seeking a Senior Water/Wastewater Process Engineer to lead the development and delivery of innovative water and wastewater treatment solutions across a diverse portfolio of infrastructure projects. This role will provide technical leadership from concept and feasibility through detailed design, procurement, construction support and commissioning. You will work closely with multidisciplinary engineering teams, clients, contractors and regulatory stakeholders to deliver safe, efficient and sustainable outcomes. Key responsibilities will include developing process design criteria, mass balances, process flow diagrams, hydraulic profiles, equipment specifications and technical reports. You will assess treatment technologies, optimise plant performance, review design calculations and drawings, and...

Water/Wastewater Process Engineer III

Added 25/09/2026

We are seeking a Water/Wastewater Process Engineer III to support the planning, design, evaluation, and delivery of complex water and wastewater infrastructure projects. This role will provide technical leadership across treatment processes, hydraulic systems, pumping facilities, collection and distribution networks, and related infrastructure. The successful candidate will work with multidisciplinary teams to develop practical, sustainable, and cost-effective solutions for municipal, industrial, and/or environmental clients. Key responsibilities include preparing and reviewing process calculations, design criteria, technical memoranda, feasibility studies, equipment specifications, drawings, and contract documents. You will assess treatment technologies, develop process flow diagrams and mass balances, conduct hydraulic and capacity...

Senior Water/Wastewater Process Engineer

Added 01/09/2026

We are seeking a Senior Water/Wastewater Process Engineer to lead the development and delivery of innovative water and wastewater treatment solutions. This role will support projects from feasibility and concept design through detailed design, construction, commissioning, and operational handover. You will provide technical leadership across multidisciplinary teams, ensuring that process solutions are safe, efficient, sustainable, compliant with relevant standards, and aligned with client and project requirements. Key responsibilities will include developing process design criteria, mass balances, process flow diagrams, hydraulic profiles, equipment specifications, control philosophies, and technical reports. You will undertake process modelling, option assessments, technology evaluations, and design reviews,...

Senior Water/Wastewater Process Engineer - #2850.13

Added 23/07/2026

We are seeking a Senior Water/Wastewater Process Engineer to lead the planning, design, and delivery of complex water and wastewater treatment projects. This role will support clients and project teams through the full project lifecycle, from feasibility studies and process selection to detailed design, construction support, commissioning, and operational optimisation. The successful candidate will apply strong technical judgement to develop practical, sustainable, and cost-effective solutions for municipal and industrial treatment systems. Key responsibilities will include preparing and reviewing process calculations, design criteria, mass balances, process flow diagrams, equipment specifications, technical reports, and tender documentation. You will evaluate treatment technologies, hydraulic...

Water/Wastewater Senior Project Manager - Process Mechanical

Added 29/10/2026

Water/Wastewater Senior Project Manager – Process Mechanical We are seeking an experienced Senior Project Manager to lead the successful delivery of complex water and wastewater projects, with a particular focus on process mechanical systems. This is an exciting opportunity for a technically strong project professional to manage major programmes from concept and design through to construction, commissioning and handover. You will take responsibility for project performance, ensuring that work is delivered safely, on time, within budget and to the required quality standards. Working closely with clients, consultants, contractors, suppliers and internal teams, you will provide clear leadership across all stages...

Industrial Process Water/Wastewater Practice Leader

Added 27/10/2026

Industrial Process Water/Wastewater Practice Leader An exciting opportunity is available for an experienced water and wastewater professional to lead and grow a specialist industrial process water and wastewater practice. This senior role will involve providing technical direction, developing client relationships and delivering innovative, commercially viable solutions for complex industrial challenges. You will work with multidisciplinary teams and clients across the full project lifecycle, from early feasibility and regulatory assessment through to design, delivery, commissioning and operational optimisation. The role requires a strong understanding of industrial water systems, wastewater treatment technologies and the changing environmental and regulatory landscape. Key responsibilities Lead...

Process Engineering Lead – Water/Wastewater

Added 22/09/2026

We are seeking an experienced Process Engineering Lead – Water/Wastewater to provide technical leadership across the development and delivery of water and wastewater treatment projects. This is an opportunity to influence project outcomes from concept and feasibility through detailed design, construction support, commissioning and operational handover. You will work closely with multidisciplinary engineering teams, clients, contractors and other stakeholders to develop practical, compliant and cost-effective solutions. Your responsibilities will include leading process design activities, preparing and reviewing process calculations, design criteria, mass balances, process flow diagrams, piping and instrumentation diagrams, technical specifications and equipment schedules. You will assess treatment processes...

Water/Wastewater Project Manager - Process Mechanical

Added 08/07/2026

We are seeking a Water/Wastewater Project Manager – Process Mechanical to lead the delivery of complex water and wastewater infrastructure projects from initial planning through to commissioning and closeout. This role will oversee process mechanical scopes including pumping systems, pipelines, treatment equipment, valves, odour control systems, chemical dosing systems and associated mechanical installations. You will be responsible for ensuring projects are delivered safely, on schedule, within budget and in accordance with contractual, regulatory and quality requirements. Key responsibilities will include developing and managing project programmes, budgets, procurement strategies, risk registers and execution plans; coordinating design, construction, commissioning and subcontractor activities;...

Water / Wastewater Process Mechanical Foreman

Added 22/05/2026

We are seeking an experienced Water / Wastewater Process Mechanical Foreman to oversee daily operations in a challenging and dynamic environment. The successful candidate will be responsible for managing a team of technicians and operators, ensuring all mechanical processes related to water and wastewater treatment are executed efficiently and in compliance with safety and environmental regulations. Key responsibilities include supervising installation, maintenance, and repair work on mechanical equipment, as well as conducting regular inspections to ensure optimal performance and reliability of systems. The ideal candidate will possess a strong background in mechanical engineering and process operations, with a minimum of...

Wastewater Process Engineer

Added 14/10/2026

We are seeking a Wastewater Process Engineer to support the design, optimisation and delivery of wastewater treatment solutions across a range of industrial and municipal projects. The role will involve developing effective, compliant and commercially viable process solutions from concept through to commissioning, while working closely with multidisciplinary engineering, operations and project teams. Key responsibilities will include preparing process designs, calculations, mass balances, process flow diagrams, equipment specifications and technical reports. You will assess treatment performance, identify opportunities for process improvement, and contribute to the selection and sizing of equipment such as biological treatment systems, clarification units, filtration, sludge handling...