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...

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...

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...

Senior Process Engineer – WasteWater Treatment Team Lead

Added 30/09/2026

We are seeking a Senior Process Engineer – Wastewater Treatment Team Lead to provide technical leadership across the development, design, delivery and optimisation of wastewater treatment solutions. This is a senior role for an experienced process engineer who can combine strong technical capability with effective team leadership, stakeholder management and commercial awareness. You will lead process activities across multiple projects, ensuring that solutions are safe, compliant, practical, cost-effective and aligned with client and operational requirements. Your responsibilities will include developing process designs, calculations, mass balances, process flow diagrams, equipment specifications, control philosophies and technical reports for wastewater treatment systems. You...

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,...

Process Wastewater Engineer

Added 17/08/2026

We are seeking a Process Wastewater Engineer to support the development, optimisation and delivery of wastewater treatment solutions across a range of industrial and municipal applications. The successful candidate will provide technical expertise throughout the project lifecycle, from early-stage feasibility and process selection through to detailed design, commissioning and operational support. This role offers the opportunity to work on complex water and wastewater challenges while contributing to safe, efficient and sustainable treatment outcomes. Key responsibilities will include developing process designs, mass balances, process flow diagrams, equipment specifications and technical calculations for wastewater treatment systems. You will assess influent characteristics, treatment...

Senior Wastewater Process Engineer

Added 06/08/2026

We are seeking a Senior Wastewater Process Engineer to provide technical leadership across the development, design, optimisation and delivery of wastewater treatment projects. This role will suit an experienced engineer with strong process design knowledge and the ability to translate complex technical requirements into practical, compliant and cost-effective solutions. You will work with multidisciplinary teams, clients, contractors and operational stakeholders to support projects from feasibility and concept development through to detailed design, construction and commissioning. Key responsibilities will include developing process design criteria, mass balances, process calculations, equipment specifications, P&IDs, control philosophies and technical reports. You will lead or review...

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...

Site Quality Manager - Hydropower Projects (USA)

Added 11/08/2026

Site Quality Manager - Hydropower Projects (USA - Various Locations)We are supporting multiple large-scale hydropower developments across the United States and are seeking experienced Site Quality Managers with strong exposure to hydropower equipment manufacturing and supplier quality oversight. These are long-term, site-based assignments on flagship energy infrastructure projects. Project DetailsLocation: United States - Various Project Sites Sector: Hydropower Duration: Approximately 18-24 months (project dependent) Start: ASAP / Flexible Work Authorization: Candidates must have the right to work in the United States Role OverviewThe Site Quality Manager will lead quality assurance and quality control activities across site execution and equipment manufacturing...

International Dams and Hydropower - USA

Added 29/07/2026

International Dams and HydropowerAre you a professional in the dam and hydropower sector looking to connect with industry leaders, share technical insights, and stay ahead of global project opportunities?Join Dams and Hydropower: the ultimate networking hub for engineers, project managers, and specialists shaping the future of water infrastructure.USA - CANADA - AFRICA - EUROPE - ASIA - MIDDLE EAST - Lets ConnectLet's make this The Number ONE Group for Dams and Hydropower professionals!Group Link: https://www.linkedin.com/groups/5141721/ ewi is committed to equality in the workplace and is an equal opportunity employer. ewi is acting as an Employment Business in relation to this...

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...

Water Treatment Process Engineer

Added 30/09/2026

We are seeking a Water Treatment Process Engineer to support the design, optimisation and delivery of water and wastewater treatment solutions. The successful candidate will contribute to projects across the full lifecycle, from feasibility studies and process selection through to detailed design, commissioning and operational support. You will work with multidisciplinary teams to develop practical, efficient and compliant treatment processes for municipal, industrial or commercial applications. Key responsibilities will include preparing process calculations, mass balances, process flow diagrams, equipment specifications, control philosophies and technical reports. You will assess water quality data, identify treatment requirements and recommend suitable technologies such as...