Principal Wastewater Process Engineer – Flexible Schedules

Parsons; United States; On-site; USD 104,000 - 181,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Paid time off

Employee Stock Ownership Plan (ESOP)

401(k)

Life insurance

Flexible work schedules

Holidays

Job summary

Parsons is seeking a Principal Process Engineer for wastewater systems in Los Angeles, CA. The role leads process engineering on capital projects, guiding design, analysis, and ownership from planning through commissioning.

Ideal candidates have 7+ years in water/wastewater, strong communication, and readiness to travel. PE registration is desirable but not required; opportunities span conventional and advanced treatment including MBR, RO, and UV systems.

Qualifications

• This position requires a B.S. in Civil/Environmental or Chemical Engineering with 7+ years in water and wastewater.
• Municipal wastewater experience is essential; PE registration is desirable but not required.
• Strong written and oral communication skills and ability to present to senior management.

Responsibilities

• Lead process engineering on wastewater capital projects and services.
• Collaborate with cross-functional teams across divisions.
• Provide process design, analysis, and owner oversight through plan–design–procure–construct–commission.
• Extend technical leadership to complex wastewater and water reuse projects (MBR, RO, UV, ozone).
• Travel as needed to support projects, primarily in Southern California.

Skills

Process design

Wastewater

Project management

Communication

Leadership

Technical leadership

Education

B.S. in Civil/Environmental or Chemical Engineering

Job description

Parsons is seeking a Principal Process Engineer for wastewater systems in Los Angeles, CA. The role leads process engineering on capital projects, guiding design, analysis, and ownership from planning through commissioning.

Ideal candidates have 7+ years in water/wastewater, strong communication, and readiness to travel. PE registration is desirable but not required; opportunities span conventional and advanced treatment including MBR, RO, and UV systems.