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Water / Wastewater Design Engineer
Added 09/10/2026
Reference: ygthu9zo2gpi73gjimq4

We are seeking a Water / Wastewater Design Engineer to support the planning, design and delivery of infrastructure... Read more

We are seeking a Water / Wastewater Design Engineer to support the planning, design and delivery of infrastructure projects across water supply, wastewater collection, treatment and related civil engineering works. This role will involve working on projects from feasibility and concept development through to detailed design, construction support and completion, while ensuring solutions are safe, practical, sustainable and compliant with relevant standards and regulations.

Key responsibilities will include preparing engineering calculations, technical reports, specifications, drawings and schedules; developing hydraulic models and design solutions for pipelines, pumping stations, treatment facilities, storage systems and associated infrastructure; reviewing surveys, site information and existing asset data; and coordinating designs with multidisciplinary project teams, contractors, suppliers and other stakeholders. You will contribute to site investigations, inspections, risk assessments, design reviews and construction support activities, helping to resolve technical issues and maintain project progress. The role may also involve assisting with tenders, fee estimates, project programmes and mentoring junior engineers or technicians.

Applicants should have a degree or equivalent qualification in civil, environmental, water engineering or a related discipline, together with relevant experience in water and/or wastewater design. You will need sound knowledge of hydraulic principles, engineering standards, design software and industry practices, as well as the ability to interpret technical information and produce accurate, high-quality deliverables. Experience with hydraulic modelling packages, CAD and other engineering tools is desirable. Strong communication, organisation and problem-solving skills are essential, along with the ability to manage priorities, work collaboratively and engage confidently with clients and project stakeholders. Professional registration or progress towards professional accreditation would be advantageous.

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COMPETITIVE SALARY

Chesapeake, Virginia, United States of AmericaPermanent

Water/Wastewater Design Engineer
Added 09/10/2026
Reference: 7eju62yvmwdr559smt21

We are seeking a Water/Wastewater Design Engineer to support the planning, design and delivery of water and wastewater... Read more

We are seeking a Water/Wastewater Design Engineer to support the planning, design and delivery of water and wastewater infrastructure projects. This role will involve working across the full project lifecycle, from feasibility and concept development through to detailed design, construction support and commissioning. You will contribute to projects involving water treatment, wastewater treatment, pumping stations, pipelines, storage facilities and associated civil, mechanical and process infrastructure.

Your responsibilities will include preparing design calculations, technical specifications, drawings, schedules and reports; developing practical and cost-effective engineering solutions; and ensuring that designs meet relevant technical standards, regulatory requirements, health and safety obligations and environmental objectives. You will coordinate with multidisciplinary teams, clients, contractors and suppliers, review technical documentation, support planning and permitting activities, and provide engineering input during construction. The role may also involve site visits, inspections, surveys, troubleshooting and assisting with the management of risks, budgets, programmes and quality requirements.

Applicants should hold a degree or equivalent qualification in civil, environmental, water, wastewater or process engineering, together with relevant experience in the design or delivery of water and wastewater projects. Knowledge of hydraulic modelling, treatment processes, pipeline design, pump systems and industry standards would be advantageous. Experience with design software and tools such as AutoCAD, Civil 3D, hydraulic modelling packages or similar platforms is desirable. You should be able to interpret technical information, produce accurate engineering deliverables and communicate clearly with both technical and non-technical stakeholders. A proactive, collaborative approach and strong problem-solving skills are essential. Professional registration or progress towards professional accreditation is welcomed, and a valid driving licence may be required for occasional travel to project and operational sites.

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COMPETITIVE SALARY

Virginia Beach, Virginia, United States of AmericaPermanent

Water/Wastewater Design Engineer
Added 07/10/2026
Reference: ghi30hyqzymnjya7k3il

We are seeking a Water/Wastewater Design Engineer to contribute to the planning, design and delivery of water and... Read more

We are seeking a Water/Wastewater Design Engineer to contribute to the planning, design and delivery of water and wastewater infrastructure projects. This role will involve working across a range of schemes, including water treatment, wastewater treatment, pumping stations, pipelines, sewer networks, reservoirs and associated civil infrastructure. You will support projects from feasibility and concept development through to detailed design, construction and commissioning, while ensuring that all work meets applicable technical, environmental, safety and regulatory standards.

Your responsibilities will include preparing calculations, specifications, drawings, schedules, design reports and technical documentation; developing hydraulic and process designs; reviewing surveys, site information and existing asset data; and coordinating interfaces between civil, structural, mechanical, electrical and environmental disciplines. You will liaise with clients, contractors, suppliers, statutory authorities and other project stakeholders, attend site visits and design reviews, and provide technical support during construction. You may also be required to assist with cost estimates, programmes, risk assessments, tender documentation and the resolution of technical queries. Maintaining accurate project records and contributing to continuous improvement in design standards and delivery methods will also be important.

The successful candidate will have a degree or equivalent qualification in civil, environmental, water engineering or a related discipline, together with relevant experience in the design of water or wastewater assets. Experience with hydraulic modelling, process calculations, design software and industry standards is desirable, as is familiarity with current health, safety and environmental legislation. You should be able to interpret technical information, identify practical and cost-effective solutions, and communicate clearly with both technical and non-technical stakeholders. A proactive, organised approach and the ability to manage priorities while working independently or as part of a multidisciplinary team are essential. Professional registration or progress towards professional accreditation would be advantageous.

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COMPETITIVE SALARY

San Antonio, Texas, United States of AmericaPermanent

Wastewater Process Design Engineer - USA
Added 06/10/2026
Reference: WW/NYC/2026/PE_1791293538

Wastewater Process Design EngineerLocations: New York (Various States) Salary: Up to $150,000 + Bonus + Excellent BenefitsThe OpportunityOur... Read more

Wastewater Process Design Engineer

Locations: New York (Various States)
Salary: Up to $150,000 + Bonus + Excellent Benefits

The Opportunity

Our 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 Responsibilities

Lead municipal wastewater treatment process design and engineering activities.Develop process calculations, hydraulic analyses, technical reports, and design documentation.Plan and execute complex engineering assignments in accordance with applicable industry standards and regulations.Review and assess local, state, and federal regulatory requirements.Interpret and evaluate process data, engineering reports, drawings, and technical studies.Prepare cost estimates, engineering evaluations, and project documentation.Liaise with clients, contractors, equipment suppliers, regulators, and other project stakeholders.Support project proposals, fee estimates, and business development activities.Provide construction-phase engineering support and commissioning assistance.Troubleshoot wastewater treatment process challenges and identify practical solutions.Mentor and support junior engineers and technical staff.Collaborate with multidisciplinary engineering teams to deliver high-quality project outcomes.

Required Experience

Essential

Bachelor's Degree in Chemical Engineering, Civil Engineering, Environmental Engineering, or a related discipline.Minimum 10 years' experience in municipal wastewater treatment engineering and process design.Strong technical knowledge of wastewater treatment processes and hydraulic design.Demonstrated experience delivering projects from concept through detailed design and implementation.Excellent communication, report-writing, and stakeholder management skills.Ability to work independently while contributing effectively within project teams.

Preferred

Experience with Biological Nutrient Removal (BNR) and Enhanced Nutrient Removal (ENR) processes.Previous involvement in nutrient reduction or watershed-related programmes.Professional Engineer (PE) licence or ability to obtain professional registration.

What's on Offer

Opportunity to work on major municipal water and wastewater infrastructure programmes.Challenging and technically diverse projects.Collaborative and supportive team environment.Clear career progression and professional development opportunities.Competitive salary, bonus potential, and comprehensive benefits package.Flexible working arrangements and a strong commitment to employee wellbeing.

Interested?

If you have a strong background in municipal wastewater treatment design and are looking to advance your career with a leading engineering organisation, we would be delighted to hear from you.

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 vacancy.

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$110,000.00 - $150,000.00
Per annum

United States of AmericaFull Time

Wastewater Process Design Engineer - USA
Added 06/10/2026
Reference: WW/NYC/2026_1791293501

Wastewater Process Design EngineerLocations: New York (Various States) Salary: Up to $150,000 + Bonus + Excellent BenefitsThe OpportunityOur... Read more

Wastewater Process Design Engineer

Locations: New York (Various States)
Salary: Up to $150,000 + Bonus + Excellent Benefits

The Opportunity

Our 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 Responsibilities

Lead municipal wastewater treatment process design and engineering activities.Develop process calculations, hydraulic analyses, technical reports, and design documentation.Plan and execute complex engineering assignments in accordance with applicable industry standards and regulations.Review and assess local, state, and federal regulatory requirements.Interpret and evaluate process data, engineering reports, drawings, and technical studies.Prepare cost estimates, engineering evaluations, and project documentation.Liaise with clients, contractors, equipment suppliers, regulators, and other project stakeholders.Support project proposals, fee estimates, and business development activities.Provide construction-phase engineering support and commissioning assistance.Troubleshoot wastewater treatment process challenges and identify practical solutions.Mentor and support junior engineers and technical staff.Collaborate with multidisciplinary engineering teams to deliver high-quality project outcomes.

Required Experience

Essential

Bachelor's Degree in Chemical Engineering, Civil Engineering, Environmental Engineering, or a related discipline.Minimum 10 years' experience in municipal wastewater treatment engineering and process design.Strong technical knowledge of wastewater treatment processes and hydraulic design.Demonstrated experience delivering projects from concept through detailed design and implementation.Excellent communication, report-writing, and stakeholder management skills.Ability to work independently while contributing effectively within project teams.

Preferred

Experience with Biological Nutrient Removal (BNR) and Enhanced Nutrient Removal (ENR) processes.Previous involvement in nutrient reduction or watershed-related programmes.Professional Engineer (PE) licence or ability to obtain professional registration.

What's on Offer

Opportunity to work on major municipal water and wastewater infrastructure programmes.Challenging and technically diverse projects.Collaborative and supportive team environment.Clear career progression and professional development opportunities.Competitive salary, bonus potential, and comprehensive benefits package.Flexible working arrangements and a strong commitment to employee wellbeing.

Interested?

If you have a strong background in municipal wastewater treatment design and are looking to advance your career with a leading engineering organisation, we would be delighted to hear from you.

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 vacancy.

Read less
$110,000.00 - $150,000.00
Per annum

United States of AmericaFull Time

Senior Water Wastewater Design Engineer
Added 05/10/2026
Reference: 2c5s2cq1qwjd3yvsozu4

We are seeking a Senior Water Wastewater Design Engineer to lead the development and delivery of complex water... Read more

We are seeking a Senior Water Wastewater Design Engineer to lead the development and delivery of complex water and wastewater infrastructure projects. This role will involve managing technical design activities from concept through detailed design and construction support, while ensuring solutions are safe, sustainable, compliant, and commercially viable. You will work across a range of schemes, including water treatment, wastewater treatment, pumping stations, pipelines, reservoirs, drainage systems, and associated civil infrastructure.

Key responsibilities will include preparing and reviewing technical reports, calculations, specifications, drawings, and design risk assessments; developing innovative and practical engineering solutions; coordinating multidisciplinary design teams; and providing technical guidance to engineers and technicians. You will liaise with clients, contractors, regulators, and other stakeholders, attend design and progress meetings, support planning and consenting activities, and contribute to cost estimates, project programmes, bids, and business development. The successful candidate will also undertake design assurance, check deliverables, oversee construction-stage queries, and help ensure projects are delivered to applicable standards, quality requirements, budgets, and timescales.

You will hold a degree in civil, environmental, water, or a related engineering discipline and have substantial experience designing water and wastewater assets. Professional registration or a clear commitment to achieving chartered status is desirable. Strong knowledge of relevant technical standards, design codes, health and safety requirements, and environmental considerations is essential, together with experience using industry-standard design and modelling software. Excellent communication, organisation, problem-solving, and stakeholder management skills are required. The ability to mentor less experienced colleagues, manage competing priorities, and take ownership of technical decisions will be highly valued. This is an opportunity to contribute to resilient infrastructure that supports communities and protects the environment.

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COMPETITIVE SALARY

Fairfax, Virginia, United States of AmericaPermanent

Environmental / Wastewater Engineer II (WWTP Design)
Added 15/09/2026
Reference: 3px6e8no7u77vj3dh272

We are seeking an Environmental / Wastewater Engineer II to support the planning, design, and delivery of wastewater... Read more

We are seeking an Environmental / Wastewater Engineer II to support the planning, design, and delivery of wastewater treatment plant (WWTP) projects. This role is suited to an engineer with practical experience in municipal or industrial wastewater systems, strong technical judgment, and the ability to contribute effectively across multiple project stages. You will work with multidisciplinary teams to develop reliable, cost-effective, and compliant treatment solutions that meet client, regulatory, and community requirements.

Responsibilities will include preparing and reviewing engineering calculations, design criteria, process evaluations, technical specifications, equipment schedules, and construction documents for wastewater treatment facilities and related infrastructure. You will assist with process modelling, hydraulic analysis, treatment technology selection, pilot testing, and the assessment of existing plant performance. The role will also involve supporting the design of pipelines, pumping stations, tanks, treatment processes, sludge handling systems, odour control measures, and site improvements. You may participate in field investigations, condition assessments, permitting activities, construction support, commissioning, and operational troubleshooting.

The successful candidate will typically hold a bachelor’s degree in civil, environmental, chemical, or water resources engineering, or a related discipline, along with relevant experience in wastewater treatment design or engineering consulting. Professional registration, or progress toward registration, is desirable. Knowledge of wastewater treatment processes, applicable environmental regulations, design standards, and engineering software is expected. Experience with AutoCAD, Civil 3D, process modelling tools, hydraulic modelling software, or similar applications would be advantageous. Strong written and verbal communication skills are essential, as is the ability to manage priorities, review technical work, collaborate with internal and external stakeholders, and contribute to projects within agreed budgets and schedules.

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COMPETITIVE SALARY

Duluth, Georgia, United States of AmericaPermanent

Water/Wastewater Design Engineer
Added 03/09/2026
Reference: xkex985t5krtqsvzq4ft

We are seeking a Water/Wastewater Design Engineer to support the planning, design and delivery of infrastructure projects across... Read more

We are seeking a Water/Wastewater Design Engineer to support the planning, design and delivery of infrastructure projects across water supply, wastewater collection, treatment and related utility systems. The successful candidate will contribute to projects from feasibility and concept development through detailed design, construction support and commissioning, working closely with multidisciplinary teams, clients, contractors and regulatory stakeholders. This is an opportunity to work on technically challenging schemes that improve the resilience, efficiency and sustainability of essential water infrastructure.

Responsibilities will include preparing calculations, technical reports, specifications, drawings and schedules; developing hydraulic models and carrying out network, process and system assessments; and producing designs for pipelines, pumping stations, treatment facilities, storage assets and associated civil, mechanical or electrical interfaces. You will review technical information, identify risks and design constraints, support cost estimates and programmes, and ensure that all deliverables meet applicable standards, health and safety requirements and environmental regulations. The role may also involve site visits, construction-phase technical support, responding to requests for information, reviewing contractor submissions and assisting with testing, commissioning and handover activities.

Applicants should hold a degree or equivalent qualification in civil, environmental, water engineering or a related discipline, with relevant experience in water or wastewater design. Experience with hydraulic modelling, design software, technical specifications and industry standards is desirable, as is familiarity with treatment processes, asset management and regulatory requirements. You will need strong analytical, written and verbal communication skills, sound commercial awareness and the ability to manage priorities while delivering accurate work to deadlines. A collaborative approach, attention to detail and a commitment to sustainable engineering are essential. Professional registration or progress toward chartership, together with experience mentoring junior engineers, would be advantageous.

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COMPETITIVE SALARY

San Antonio, Texas, United States of AmericaPermanent

Water/Wastewater Engineer - Design/Build Lead
Added 26/08/2026
Reference: fb8rsaqc4v9tl3oiqpxh

We are seeking an experienced Water/Wastewater Engineer to lead the design and delivery of complex water and wastewater... Read more

We are seeking an experienced Water/Wastewater Engineer to lead the design and delivery of complex water and wastewater infrastructure projects from concept through construction. This role will suit a technically strong professional who can combine engineering expertise with design/build leadership, commercial awareness and a practical understanding of constructability. You will work closely with clients, contractors, consultants, suppliers and internal project teams to develop safe, efficient and compliant solutions for treatment, conveyance and utility infrastructure.

Responsibilities will include leading multidisciplinary design activities; reviewing scopes, specifications, drawings, calculations and technical reports; coordinating civil, structural, mechanical, electrical, instrumentation and process engineering inputs; and ensuring designs meet applicable standards, regulatory requirements and client objectives. You will contribute to bids and proposals, develop design schedules and budgets, manage technical risks, support procurement and oversee design deliverables through construction. The role will also involve attending design reviews, progress meetings and site visits, resolving technical queries, supporting commissioning and providing engineering guidance throughout project execution.

Applicants should hold a degree in civil, environmental, chemical or water resources engineering, or a closely related discipline, together with substantial experience delivering water and/or wastewater projects in a design/build or similar contracting environment. Professional registration or chartered status is preferred, along with strong knowledge of water and wastewater treatment processes, hydraulic systems, pipelines, pumping stations and relevant health, safety and environmental requirements. Experience with design management, estimating, contract administration and construction support will be highly valued. You will need excellent communication, organisation and problem-solving skills, with the ability to influence stakeholders, lead technical teams and manage competing priorities while maintaining quality and schedule commitments. A willingness to travel to project sites and work collaboratively in a fast-paced environment is required.

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COMPETITIVE SALARY

Charlotte, North Carolina, United States of AmericaPermanent

Water/Wastewater Design Engineer
Added 26/08/2026
Reference: tjcp3gweb084y6moqs5h

We are seeking a Water/Wastewater Design Engineer to support the delivery of innovative and sustainable infrastructure projects across... Read more

We are seeking a Water/Wastewater Design Engineer to support the delivery of innovative and sustainable infrastructure projects across the water and wastewater sector. You will work as part of a multidisciplinary team, contributing to the planning, design and delivery of schemes for clean water, wastewater treatment, water networks, pumping stations, drainage and associated infrastructure. This role offers the opportunity to work on projects from feasibility and concept design through to detailed design, construction support and completion.

Your responsibilities will include preparing technical reports, calculations, specifications, drawings and schedules; developing hydraulic and infrastructure designs; reviewing design requirements and identifying practical, cost-effective solutions; and coordinating with engineers, technicians, contractors, suppliers and other project stakeholders. You will assist with site surveys, inspections, investigations and technical assessments, while ensuring designs comply with relevant legislation, industry standards, health and safety requirements and environmental objectives. You may also support planning applications, tender documentation, construction queries, design reviews and project deliverables.

Applicants should have a degree or equivalent qualification in civil engineering, water engineering, environmental engineering or a related discipline, together with relevant experience in water or wastewater design. Knowledge of hydraulic modelling, drainage systems, treatment processes, water networks and design software is desirable. Experience with tools such as AutoCAD, Civil 3D, GIS, hydraulic modelling packages or similar systems would be advantageous. You should be able to communicate clearly, manage priorities effectively and work collaboratively while maintaining a high standard of technical accuracy. A proactive approach, sound problem-solving skills and a commitment to professional development are essential. Relevant professional accreditation, or progress towards accreditation, would be beneficial.

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COMPETITIVE SALARY

Jacksonville, Florida, United States of AmericaPermanent

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