Principal Process Engineer
Company websiteparsons.com (Parsons, opens in new tab)
Base salary $103,500 to $181,100
Employer-published annual base salary, USD. Advertised base range in United States
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationUnited States
- WorkplaceRemote
- Status at last checkSource accepting applications when checked
- Last checked (22 min ago) · observed since
About this job
Job Description:
Principal Process Engineer – Wastewater Systems - Los Angeles, CA
OPPORTUNITY :
The Wastewater Principal Process Engineer provides technical leadership and project management accountability for process engineering in the delivery of capital projects and engineering services for wastewater treatment facilities.
RESPONSIBILITIES:
- The qualified candidate will work effectively on water and wastewater engineering capital project teams, as well as other project related cross-functional teams with representatives from divisions throughout the organization.
- Primary responsibility will be providing process engineering services on client with projects mainly in Southern California but may involve travel to other parts of the State as well.
- Primary responsibility will be providing process engineering services on client with projects in mainly in Southern California but may involve travel to other parts of California as well
- Experience in the planning and execution of projects: including project approach and resource needs, options analysis, process and equipment design, engineering document development, and system ownership through the project delivery phases of plan, design, procure, construct, and commissioning
- Areas of expertise could include process experience for complex capital projects within the water and wastewater treatment, and water reuse, area including conventional wastewater treatment processes, membrane bioreactors (MBR), reverse osmosis desalination and brackish water treatment, UV, Ozone and other advanced water and wastewater treatment processes.
- The senior project/process engineer is expected to be an effective communicator of ideas, project goals and results. With minimal supervision, is expected to make presentations and updates to senior management and in broader forums both internal and external to Parsons.
- Contributions are integral to the success of projects and the achievement of both technical and organizational objectives. Strong technical leadership, collaboration, and sound business value based prioritization and problem solving skills.
- Travel may be required to meet business needs.
The successful candidate will also provide additional design expertise for conventional and advanced wastewater treatment systems, including membrane, biosolids, odor control, pumping, blower and various systems.
REQUIREMENTS:
- B.S. in Civil /Environmental or Chemical / Engineering or a related Degree with 7 + years or more in the water and wastewater industry of which involved process design, process performance analysis, or process engineering services for projects.
- Experience with municipal wastewater systems is essential
- Professional Engineer (PE) registration is desirable, but not required
- Potential to perform in a lead capacity, excellent written and oral communications skills, and a familiarity with state-of-the art industry practices and regulations.
- Must also possess a solid knowledge of process technology
Security Clearance Requirement:
NoneThis position is part of our Critical Infrastructure team.For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers’ visions—and to help them see what's next!Salary Range: $103,500.00 - $181,100.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
Source: Parsons on Workday · View original posting (opens in new tab)
Pay in context
This role's base floor ($103,500) is above 7% of the 4,152 Engineering (non-software) roles nationwide listed on this site; 9 others list the same floor. Their median floor is $136,600; the middle half runs from $116,800 to $160,000.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 5, 2026.
This listingPrincipal Process Engineer$103,500 to $181,100
Construction Surveillance Technician - CST$103,500 to $181,100
Deputy Program Manager$103,500 to $181,100
Workflow Support Specialist$103,500 to $181,100
Scheduler$103,500 to $181,100
Security Cooperation Manager$103,500 to $181,100
Project Controls Specialist$103,500 to $181,100
Chart as a table
| Role | Published base |
|---|---|
| Principal Process Engineer (this listing) | $103,500 - $181,100 |
| Construction Surveillance Technician - CST | $103,500 - $181,100 |
| Deputy Program Manager | $103,500 - $181,100 |
| Workflow Support Specialist | $103,500 - $181,100 |
| Scheduler | $103,500 - $181,100 |
| Security Cooperation Manager | $103,500 - $181,100 |
| Project Controls Specialist | $103,500 - $181,100 |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-04-06
Where this pay comes from
Location as the employer wrote it: US - Remote (Any Location)
Salary Range: $103,500.00 - $181,100.00
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.