Senior Project Manager, Wastewater and Water

Added 08/07/2026

We are seeking an experienced Senior Project Manager, Wastewater and Water to lead the successful delivery of complex infrastructure projects from initial planning through to completion. The role will involve managing multiple projects across water and wastewater treatment, networks, pumping stations, utilities and related civil infrastructure, ensuring delivery meets agreed scope, programme, budget, quality, environmental and health and safety standards. You will provide clear leadership to project teams, consultants, contractors and supply chain partners, while maintaining strong relationships with clients, regulators, stakeholders and local communities. Key responsibilities will include developing and managing project execution plans, budgets, schedules, risk registers, procurement...

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...

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 Treatment Plant Operator-in-Training / Water Treatment Plant Operator

Added 23/06/2026

We are seeking a dedicated and detail-oriented Water Treatment Plant Operator-in-Training / Water Treatment Plant Operator to join our team. In this role, you will be responsible for the operation and maintenance of water treatment facilities to ensure the delivery of safe and high-quality drinking water to the community. This position involves monitoring and adjusting treatment processes, conducting routine inspections, and maintaining accurate records of operations. You will also perform laboratory tests to analyze water quality and ensure compliance with regulatory standards. The ideal candidate will possess strong problem-solving skills and the ability to work in a fast-paced environment. You...

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...

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...

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,...

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...

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...

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...

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...

Lead Process Engineer - Water Market

Added 29/06/2026

We are seeking a Lead Process Engineer – Water Market to provide technical leadership across the development and delivery of water and wastewater infrastructure projects. This role will suit an experienced process engineer who can combine strong technical expertise with commercial awareness, client focus and the ability to guide multidisciplinary teams. You will contribute to projects from early feasibility and concept design through to detailed design, construction support and commissioning, helping to deliver practical, sustainable and cost-effective solutions. Responsibilities will include leading process design activities for water, wastewater and treatment projects; preparing and reviewing design calculations, process descriptions, mass balances,...

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...

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...