Senior Industrial Water Wastewater Process Engineer

Job ID: 44358Reference: 300016310839886Location: Los Angeles, CA, United States | Irvine, CA, United States | San Diego, CA, United StatesDepartment: Water EngineeringBusiness Unit: ANA United StatesWork Type: HybridDate Posted: 2026-10-16Arcadis 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:Arcadis’ Industrial Water Treatment and Optimization (IWTO) Team is seeking a Senior Industrial Water Wastewater Process Engineer / Design Manager with 10+ years of consulting engineering experience to contribute to our expanding portfolio of industrial water and wastewater related design projects. In this role, you will support the growth and development of the business through the application of knowledge and expertise in the field of industrial water and wastewater engineering, client services, and design management. In this role, you will have the opportunity to:Function as the process engineer on industrial water/wastewater projectsApply processes and technologies for physical/chemical primary treatment, biological treatment, membrane treatment, adsorption, filtration, disinfection, thermal evaporation and crystallizationReceive technical mentoring and guidance from a principal process engineer or subject matter expertDelegate engineering or scientific calculations/ drawings to mid-level and junior staffCollaborate with multi-disciplinary design teams to implement complex treatment solutionsParticipate on business development/ sales opportunities with clients, including selling of projects to clients and preparation of proposals, Support or lead implementation of projects from study phase through design, construction, startup and commissioning, and operation and maintenance of treatment systemsThis is a hybrid position supporting client facilities and projects across the United States, with occasional international assignments. Candidates residing in SoCal market preferred.Role accountabilities:Provide leadership, direction, and coaching to project team members.Make decisions guided by organizational and functional strategies / objectives.Deliver guidance and meaningful feedback to support career development and progression of mid-level and junior staff.Demonstrate expert critical thinking, accountability, collaboration, communication, self-discipline, self-development, conflict resolution and adaptability/flexibility skills.Work in and contribute to all areas of the IWTO business (business development, technology, and project delivery).Have a strong understanding of industrial water, business trends, and competitor strategies.Travel as needed for client meetings, project site visits, etc. project staffing needs (up to 25%)Possess a very strong understanding of different types of industrial wastewater treatment systems.Design delivery, capital and operation and maintenance cost estimation, consulting engineering firm experienceProject scheduling and work planning, proven ability to manage and deliver industrial water projectsQualifications & Experience:Bachelor’s degree in Chemical, Civil, Environmental, or Mechanical Engineering.10+ years of industrial wastewater experience preferredProfessional Engineer registration in one or more statesValid US driver’s licensePreferred Qualifications:Master’s degree or PhD in environmental or chemical engineering12+ years of experienceProven ability to sell projects to industrial clientsVery strong competitor knowledge and focusCan-do approachDemonstrated team player and builderWhy Arcadis?We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.Together, we can create a lasting legacy.Join Arcadis. Create a Legacy.Our Commitment to Equality, Diversity, Inclusion & BelongingWe want you to be able to bring your best self to work every day. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20 days PTO that accrue per year. The salary range for this position is $121,651- $182,477. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.

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