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 Engineer

Added 04/09/2026

We are seeking a Senior Water/Wastewater Engineer to lead the delivery of technically complex infrastructure projects across water supply, wastewater, treatment, drainage and related civil engineering systems. This role will suit an experienced professional who can combine strong technical expertise with commercial awareness, project leadership and a commitment to delivering safe, sustainable and resilient solutions. You will work closely with clients, multidisciplinary design teams, contractors, regulators and other stakeholders to develop projects from concept through detailed design, construction and commissioning. Your responsibilities will include managing and reviewing engineering investigations, feasibility studies, hydraulic assessments, designs, specifications, technical reports and construction documentation....

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...

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 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...

Senior Process Mechanical Estimator - Water

Added 18/09/2026

We are seeking a Senior Process Mechanical Estimator specialising in water and wastewater projects to lead the preparation of accurate, competitive, and commercially robust estimates. This role will support the delivery of complex infrastructure schemes, including water treatment plants, wastewater treatment facilities, pumping stations, pipelines, chemical dosing systems, sludge treatment, and associated mechanical process equipment. You will review tender documentation, drawings, specifications, schedules, and contract requirements to develop detailed estimates from first principles. Responsibilities will include preparing bills of quantities, cost plans, labour and plant allowances, subcontractor and supplier enquiries, equipment pricing, and risk and opportunity assessments. You will obtain...

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...

Water Treatment Process Engineer

Added 23/09/2026

We are seeking a Water Treatment Process Engineer to support the design, optimisation and delivery of reliable water and wastewater treatment solutions. The role will involve developing process concepts, preparing design calculations and technical specifications, and contributing to projects from initial feasibility through detailed design, commissioning and operational support. You will work across a range of treatment technologies, which may include filtration, clarification, membrane systems, biological treatment, disinfection, sludge processing and chemical dosing. Key responsibilities will include assessing process performance, identifying opportunities for improvement, and producing process flow diagrams, mass balances, equipment schedules and control philosophies. You will collaborate with...

Industrial Water Process Engineer

Added 08/09/2026

We are seeking an experienced Industrial Water Process Engineer to support the design, optimisation and delivery of water and wastewater treatment solutions for industrial facilities. The role will involve developing practical, cost-effective processes that meet operational, environmental and regulatory requirements across a range of challenging applications. You will work closely with multidisciplinary engineering teams, clients, suppliers and site personnel to ensure that projects are technically sound and successfully implemented. Key responsibilities will include assessing industrial water and wastewater characteristics; preparing process concepts, mass balances, process flow diagrams and equipment specifications; and supporting the selection and sizing of treatment technologies such...

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...

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...

Drinking Water Associate Process Engineer

Added 05/08/2026

We are seeking a Drinking Water Associate Process Engineer to support the delivery of safe, reliable and sustainable drinking water treatment solutions. Working as part of a multidisciplinary engineering team, you will contribute to projects from early feasibility and concept development through to detailed design, construction support and commissioning. You will help develop practical, compliant and cost-effective process solutions for water treatment, conveyance, storage and distribution infrastructure. Your responsibilities will include preparing process calculations, mass balances, hydraulic assessments, process descriptions, design criteria, equipment schedules and technical specifications. You will assist with the development and review of process flow diagrams, piping...

Process Engineer - Water

Added 08/07/2026

We are seeking a Process Engineer – Water to support the development, optimisation and delivery of water and wastewater treatment solutions. This role will contribute to projects from concept and feasibility through to detailed design, construction support, commissioning and operational handover. You will work closely with multidisciplinary engineering teams, clients, contractors and operational personnel to ensure that treatment processes are safe, efficient, compliant and fit for purpose. Your responsibilities will include developing process design calculations, mass balances, process descriptions, P&IDs, equipment specifications, technical reports and design documentation. You will assess treatment technologies, hydraulic and process performance, chemical dosing requirements, energy...