Senior Wastewater Engineer

Arcadis•San Francisco, CA

About The Position

Arcadis is seeking a Senior Wastewater Engineer to join its growing Water Planning Practice in the San Francisco Bay Area. The role supports municipal clients addressing complex wastewater challenges and planning sustainable, resilient infrastructure. A key focus is helping Bay Area wastewater agencies plan and implement nutrient management improvements, including shaping technical and client strategy related to the San Francisco Bay Nutrient Management Program and nutrient reduction requirements across regional utilities. The position combines technical leadership, project delivery, and client engagement. The engineer will help translate emerging regulatory requirements and wastewater science into practical solutions, identify and position for nutrient planning, optimization, and capital improvement programs, and lead projects from strategic planning and facility assessments through design, construction, and operational optimization. Travel up to 40% may be required for client meetings, workshops, site assessments, conferences, and project delivery throughout Northern California.

Requirements

Bachelor’s degree in Chemical, Civil, Environmental, or Mechanical Engineering, or a related engineering discipline.
At least 10 years of experience supporting wastewater planning, design, and infrastructure projects, including work with municipal clients and projects in California.
California Professional Engineer (PE) license, or ability to obtain California licensure within six months of hire.
Strong experience in wastewater planning, treatment systems, and municipal infrastructure projects, including the ability to lead complex technical assignments and build client relationships.
Experience with wastewater treatment processes, collection and conveyance systems, biosolids management, and water reuse.
Knowledge of California wastewater regulations and permitting requirements.
Strong project management, problem-solving, and communication skills, including the ability to manage multiple priorities.

Nice To Haves

Master’s degree in Engineering or a related field.
15 years of experience in wastewater planning, design, and infrastructure projects.
Experience working with clients and projects in the Bay Area.
Experience mentoring junior staff, collaborating with multidisciplinary teams, and serving as a trusted advisor to municipal clients.

Responsibilities

Contribute to Arcadis’ San Francisco Bay Nutrient Management initiative by developing utility-specific strategies and a long-term project pipeline for nutrient compliance and treatment modernization.
Lead and support technical evaluations and designs involving biological nutrient removal, process intensification, treatment optimization, sidestream treatment, advanced process control, water reuse, and other nutrient-reduction approaches that manage energy, carbon, and lifecycle costs.
Translate technical findings into engineering calculations, technical memoranda, planning reports, specifications, presentations, and actionable recommendations.
Support project delivery by coordinating scope, budget, schedule, resources, quality, and multidisciplinary teams.
Build and strengthen relationships with Bay Area wastewater utilities and regional organizations; contribute to proposals and participate in technical forums, workshops, and industry organizations.
Advise clients on regulatory compliance, infrastructure resilience, capacity planning, operational performance, and long-term asset management.
Mentor and collaborate with junior staff, share technical knowledge, and support an inclusive team environment.