22 senior water wastewater engineer jobs found

Lumos & Associates, a leader in civil engineering throughout northern California, Nevada, and Idaho, is seeking an accomplished Water/Wastewater Senior Engineer to join our growing team. This is an exciting opportunity for an experienced engineer to take on a key technical leadership role within our Water/Wastewater practice. The position will work out of our Roseville, California office. The ideal candidate brings advanced expertise in water and wastewater infrastructure design, a strong sense of ownership, and a collaborative leadership style. This individual will serve in responsible charge of projects, provide high-level technical oversight, and mentor junior staff while helping grow our technical practice. About Us: At Lumos & Associates, we are known for our forward-thinking approach and commitment to delivering high-quality engineering solutions that strengthen the communities we serve. We foster a collaborative environment where professionals are empowered to...

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose! At Verdantas, we're redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data-driven solutions to complex environmental and infrastructure challenges. We don't just solve problems; we help shape a more sustainable future. Join a people-first culture that values your well-being, empowers your growth, and amplifies your impact. At...

Project Engineer From its inception in 1991, Weaver Consultants Group has been founded upon the tenets of attentive and responsive customer service, strong project management, and solid internal financial controls. The quality of our people, our focus on understanding and responding to our clients' needs, and our application of good business management practices have resulted in most new projects originating from our existing customer base. Over the years, our professionals have faced the challenges of a constantly changing industry. Shifting federal and state regulations, cultural trends, and technical innovations have vastly impacted the way businesses work. Throughout it all, our team has remained dedicated to our clients, helping to identify pragmatic solutions to help them achieve their business objectives. We are seeking an intermediate-level Project Engineer in our Irvine, California office with experience in environmental field work, general Civil engineering, and...

Overview Location(s): Southern California Practice/Department: Engineering Work Environment: Hybrid Compensation: $150,000-$190,000 annually* Dudek's journey began in 1980 with a vision to serve Southern California's water and wastewater agencies. Today, we are a 100% employee-owned firm supporting clients nationwide and delivering projects that improve and protect the built and natural environments of communities throughout the United States. Our work has been recognized by leading industry organizations, and we've been honored with multiple national Top Workplace Awards. Our employee-owners are unified by a singular commitment to supporting projects that address key societal issues, such as the transition to renewable energy, infrastructure hardening and repair, environmental protection, and community resilience. Learn more about our award-winning culture , the benefits and perks of being a Dudekian, and the projects you will have the opportunity to shape....

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' https://www.hdrinc.com/our-story' Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world. We believe building engineering is more than systems and structures, it's about powering progress and enabling innovation. As part of HDR's Building Engineering Services Group, you'll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From...

Wilson & Company, Inc., Engineers & Architects is currently seeking an experienced Engineer in Training professional to support the Water Resources design team in our Phoenix office. The position will focus primarily on water-related projects, which can include drainage/flood control including dams and levees, potable/supply water infrastructure, and sanitary/wastewater infrastructure engineering services. We are seeking a self-motivated individual who is eager to learn and grow as a professional working in a fast-paced team environment. Wilson & Company offers top tier benefits, strives to enable a suitable work-life balance for all employees, and proudly maintains collaborative and positive work environments. Please note, this position is not currently considering new graduates. Essential Job Functions: Support field investigations or assessments. Perform design engineering calculations. Assist in the design of various types of water and stormwater...

Wilson & Company, Inc., Engineers & Architects is currently seeking an experienced Engineer in Training professional to support the Water Resources design team in our San Bernardino office. The position will focus primarily on water-related projects, which can include drainage/flood control including dams and levees, potable/supply water infrastructure, and sanitary/wastewater infrastructure engineering services. We are seeking a self-motivated individual who is eager to learn and grow as a professional working in a fast-paced team environment. Wilson & Company offers top tier benefits, strives to enable a suitable work-life balance for all employees, and proudly maintains collaborative and positive work environments. Please note, this position is not currently considering new graduates. Essential Job Functions: Support field investigations or assessments. Perform design engineering calculations. Assist in the design of various types of water and stormwater...

Senior Project Manager | Civil Engineering (Water Infrastructure) Own Your Future at Psomas! Join a 100% employee-owned firm built for long-term thinking, shared success, and meaningful impact. As our Senior Project Manager on our Water Infrastructure team in Roseville, CA , you will lead the planning, design, and delivery of complex water and wastewater infrastructure projects (capital programs, system expansions, and rehabilitation efforts) that support communities throughout California. In this strategic leadership role, you will oversee multidisciplinary teams, strengthen client partnerships, and drive business development efforts that contribute to the continued growth of our practice. This position is ideal for a seasoned leader who combines technical excellence with a passion for mentoring teams, developing client relationships, and delivering impactful infrastructure solutions. Why Psomas Shared Success: An ownership culture that rewards long-term thinking...

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? We believe water is more than a resource, it's a shared responsibility. As part of our Water Business Group, you'll help shape how communities manage water for generations to come. From delivering safe drinking water and treating wastewater responsibly to developing sustainable water supplies and protecting lives and property through flood control, your work will directly support public health, environmental sustainability, and infrastructure resilience. We bring together experts across disciplines to solve complex challenges with bold thinking and technical excellence. Whether you're modernizing aging systems or...

Overview Location(s): Southern California Practice/Department: Engineering Work Environment: Hybrid Compensation: $100,000-$130,000 annually* Dudek's journey began in 1980 with a vision to serve Southern California's water and wastewater agencies. Today, we are a 100% employee-owned firm supporting clients nationwide and delivering projects that improve and protect the built and natural environments of communities throughout the United States. Our work has been recognized by leading industry organizations, and we've been honored with multiple national Top Workplace Awards. Our employee-owners are unified by a singular commitment to supporting projects that address key societal issues, such as the transition to renewable energy, infrastructure hardening and repair, environmental protection, and community resilience. Learn more about our award-winning culture , the benefits and perks of being a Dudekian, and the projects you will have the opportunity to shape....

About Us: Do you have a desire to change the world? Joining the Tomorrow Water team means joining a fast-growing and dynamic company whose vision is a clean and beautiful world beyond waste. We have been globally recognized as one of the most innovative companies in our industry. Tomorrow Water is hiring an Entry level Electrical Engineer / I&C Engineer. Join a nimble, multinational cleantech company working on the latest water treatment technologies. Take pride in providing clean water and innovative solutions to cities & industries and turning waste into valuable resources. Job Summary: We are hiring an Entry-Level Electrical / I&C Engineer (1-3 years of experience) to join our engineering team in Anaheim, CA. Working alongside Senior Engineers, Process Leads, and Project Managers, you will support the design, equipment specification, and execution of complex system integration, EPC, and turnkey water and wastewater treatment projects. This role offers...

Salary: $9,082.25 - $15,528.17 Monthly Location : 7351 Rosanna St. Gilroy, CA 95020, CA Job Type: Full-time Job Number: FY 26/27 -00013 Department: Utilities Department Opening Date: 08/25/2026 Closing Date: 9/21/2026 5:00 PM Pacific Junior Engineer/ Assistant Engineer/ Associate Engineer Utilities Department Junior Engineer $9,082.25 - $12,779.50 Monthly Plus Excellent Benefits Assistant Engineer $10,032.33 - $14,116.50 Monthly Plus Excellent Benefits Associate Engineer $11,035.58 - $15,528.17 Monthly Plus Excellent Benefits Additional steps (Step F, Step G, and Step H) included in the salary range listed above are available to employees in this job classification after completion of five years of service (Step F), ten years of service (Step G), and 15 years of service (Step H), and one year at the prior step, and good performance evaluation. Initial salary placement is typically at the entry point of the range unless the candidate has prior Civil Engineer...

Salary : $141,252.80 - $171,704.00 Annually Location : Elk Grove, CA Job Type: FULL TIME (NON-EXEMPT) Job Number: 3068-2026 Department: Operations - Treatment Opening Date: 05/05/2026 Closing Date: Continuous Position Sacramento Area Sewer District (SacSewer) is currently accepting applications for an Associate Electrical Engineer position. Applications will be screened after the following filing deadlines at 5PM: 5/19/26, 6/2/26, 6/16/26, 6/30/26 The class of Associate Electrical Engineer is the supervisory level class in the electrical engineer series and the first level requiring registration as an electrical engineer. Under general direction, incumbents perform difficult and responsible professional engineering work. The Associate Electrical Engineer is distinguished from the Senior Electrical Engineer by the latter's higher level of technical expertise, management responsibilities, and variety and complexity of projects. MINIMUM QUALIFICATIONS...

Salary : $82,758.00 - $121,810.00 Annually Location : City of San Luis Obispo, CA Job Type: Regular Full Time Department: CIP Project Engineering Opening Date: 06/29/2026 FLSA: Non-Exempt JOB DESCRIPTION The City of San Luis Obispo is seeking motivated and talented candidates for Engineer I-III. Two vacancies are currently available - and this is a great opportunity to make a meaningful impact in a community consistently recognized for its high quality of life. One position is in Public Works , and one is in Community Development. The eligibility list established through this recruitment may also be used to fill future Engineer I-III roles in other departments, including Utilities, giving applicants the chance to be considered for multiple pathways within the City. This recruitment will remain open until the positions are filled. Applications submitted by 11:59 PM on Monday, July 27, 2026, will receive first consideration. As this is a continuous recruitment,...

Overview Cordoba is a leading civil engineering and design firm based in California. We are seeking a Civil Engineer with experience in the engineering and design of water and wastewater facilities. The primary functions are performing planning, engineering, design and cost estimating for water and wastewater collection and treatment projects. Project components may include pipelines, pump stations, storage tanks and treatment systems. The ideal candidate will be proactive and excel in with limited support and guidance. Responsibilities Support the development of engineering plans, calculations, and cost estimates for water collection and treatment projects under the guidance of senior engineers. Assist in preparing design documents for water infrastructure, including drawings, technical specifications, and cost estimates. Contribute to project tasks such as data collection, field investigations, and basic analysis to support engineering decisions. Help maintain project...

Engineer, Mechanical / Process About Us At AlfaTech we believe in more than just engineering solutions; we believe in promoting a culture of agility, collaboration, and inclusion. As a leading consulting engineering firm, we provide thoughtful engineering design that is technologically forward thinking, innovative, and environmentally conscious, ensuring that our contribution to our built environment is flexible, sustainable, and lasting across all the market segments we serve. If you're driven by a passion for engineering, innovation, and making a difference, if you thrive on challenges and adapt quickly to change, and if you are looking to be part of a dynamic team of empowered, smart, energized, professionals, then AlfaTech is the place for you. Job Summary In this role, you will perform a variety of mechanical and process engineering and design activities under the supervision of senior engineering staff. The Engineer will be self-motivated, organized and creative with the...

SENIOR CIVIL Water Resources Engineer (San Luis Obispo) At Wallace Group our people are our most valuable resource. We are committed to offering challenging work, competitive compensation and benefits, as well as opportunities for professional advancement and personal development. Position Summary: We are looking for an experienced Senior Civil Engineer with a strong background in water resources planning, design, and project management. The ideal candidate has a minimum of ten years of experience delivering technical solutions for water supply, water quality, water/ wastewater/ recycled water master planning, water and sewer infrastructure modeling, utility design, and water/wastewater treatment design. This is a leadership-track position that includes client coordination, project management, mentoring junior staff, and managing multi-disciplinary water resources projects from planning through construction. Responsibilities: Preparation of engineering reports, plans,...

Hazen and Sawyer is seeking a Wastewater Project Engineer for ourSacramento, California office. As part of our design and process teams, you will be involved with a wide range of wastewater infrastructure projects. This will encompass all phases of design, including conceptual/feasibility evaluations, project management, preparation of design reports, permitting, development of construction drawings and specifications, and support of construction services. Why Hazen and Sawyer: Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water." Our work includes planning, design, and oversight of construction of environmental infrastructure - for water, wastewater, and stormwater management. We foster a work environment low on bureaucracy and high in creativity. We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish...

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role Description: We are seeking an Electrical Engineer with experience in designing electrical power systems to join our Los Angeles, CA office or our Irvine, CA office. Using your technical capabilities and collaborating with our experienced team of professionals, you will provide technical and design consulting services with a focus on electrical power distribution, motor controls, lighting, and grounding design to support projects for our Resilience Water Business Line. You will also manage tasks and oversee the work of junior staff. The ideal candidate must be...

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: We are seeking a Project Water/Wastewater Pipeline Engineer to join our dynamic Water Business Line in Southern California. In this role, you will lead and support the planning, design, and construction of water and wastewater pipeline projects for municipal, utility, and private sector clients. Role accountabilities: As a Project Water/Wastewater Pipeline Engineer, you will lead and manage the design and delivery of water and wastewater pipeline projects, encompassing feasibility studies, preliminary and final design, as well as construction support. You will...