Arcadis is seeking an experienced Senior Process Design Engineer to join their California Water Business team. This role involves collaborating within a supportive environment to deliver innovative solutions for municipal and private sector clients. The engineer will focus on mechanical design and process integration for water and wastewater treatment facilities. This position offers the opportunity to make a significant impact on vital water infrastructure projects.

• B.S. in Civil or Mechanical Engineering or a related field.
• 10 years of relevant experience in process mechanical engineering for water and wastewater facilities.
• Licensed Professional Engineer (P.E.) in the state of California.

• Lead innovative mechanical design and process integration for treatment facilities, reservoirs, and pumping stations.
• Develop comprehensive construction documents and detailed specifications for critical systems.
• Perform thorough assessments and accurately size and select equipment.
• Conduct hydraulic analyses and develop process flow narratives.
• Support business development efforts and contribute to proposals.
• Mentor junior engineers and ensure rigorous quality control reviews.

• Employees at Arcadis are often offered a supportive, inclusive culture with internal mobility, extensive learning and development resources, and the flexibility to choose benefits that fit their needs (varying by country). Many roles also emphasize purpose and community—through sustainability initiatives, charitable programs like Shelter, and regular social and volunteer events—so people can grow their careers while making a positive impact.