Parsons Corporation Jobs

Mobile Parsons Logo

Job Information

Parsons Corporation Project Manager - Wastewater / Water Treatment in Pasadena, California

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Wastewater Project Manager – Pasadena, California

Parsons is an industry leader in delivering technology driven solutions to promote safer, healthier and sustainable world class infrastructure to communities throughout the world. Our landmark projects and capital improvement programs support global initiatives in Wastewater and water treatment processes, as well as water treatment recycling.


Our Parsons Pasadena office in the Los Angeles area is how hiring a Project Manager to support project management and engineering in the field of water and wastewater treatment , with a focus on Process/Design on MBR (membrane bioreactor, Reverse Osmosis, Disinfection with UV or Chlorine)


  • Lead multi-disciplinary project teams for our process engineering for municipal wastewater and water treatment recycling. Experience with Membrane bioreactor, reverse osmosis and UV or Chlorine disinfection is essential

Ability to effectively plan, organize and prioritize multiple projects and manage designs prepared by engineering staff as well as designs performed by sub consultants

  • Experience in the development of process flow diagrams, process descriptions, process mass and heat balances, and P&IDs.

  • Ability to conduct independent investigations and collect data.

  • Anticipate problems and develop solutions to overcome problems. Support business development effort.

  • Familiar with the function of regulatory agencies with experienced in interfacing among multiple agencies.

  • Conduct site visits to perform treatment process evaluations and assist with defining project scopes.

  • Prepare and compile technical memorandums, concept reports, and pre-design reports.

  • Identify design resource requirements and coordinate design team duties.

  • Initiate and manage the design of water and wastewater treatment plant systems, water conveyance and wastewater collection system projects, consisting of civil, mechanical, electrical, instrumentation and structural components.

  • Effectively monitor and track project expenditures to ensure that budgets are adhered to. Monitor and track project schedules to ensure that projects are completed on time.


  • 4-year degree in Civil or Environmental or Mechanical Engineering and at least 12 years or more of project management and engineering experience in the field of water and wastewater treatment , process engineering for membrane bioreactors, and disinfection process is essential.

  • PE Licensed Civil / Environmental or Mechanical Engineering

  • Sound knowledge of treatment plant principals and their translation to studies, designs and construction of those facilities.

  • Knowledge in the areas of: (1) Hydraulic calculations, (2) Process calculations/computer simulations, (3) Environmental chemistry, and (4) Environmental biology.

  • Knowledge of various processes such as: headworks, chemical feed systems, primary clarifiers, aeration basins, secondary clarifiers, filtration processes, disinfection processes, anaerobic digestion, solids dewatering, digester gas management & cleaning, co-generation, and membrane processes.

  • Experienced in sewer and sewer rehabilitation design.

  • Familiar with process related environmental regulations and permitting issues.

  • Experienced in preparing and giving presentations to clients.

  • Good understanding of safety issues, including OSHA regulations.

  • Excellent communication skills, both written and oral.

  • Thorough knowledge of Microsoft Word, Excel, PowerPoint, and MS Project software.

  • Incumbent must meet Parsons’ project management certification requirements.

Minimum Clearance Required to Start:

Not Applicable/None

This position is part of our Critical Infrastructure team.

For more than 75 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in diverse, 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 new possibilities.

Salary Range:

$110,600.00 - $219,400.00

We 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!

The position may require a COVID vaccination or an approved accommodation/exemption for a disability/medical condition or religious belief as required by customer requirements and some cases federal, state, provincial or local mandates.

Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility in the workplace. Diversity is ingrained in who we are, how we do business, and is one of our company’s core values. Parsons equally employs representation at all job levels for minority, female, disabled, protected veteran and LGBTQ+.

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!About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

For more about Parsons, visit and follow us on Facebook, Twitter, LinkedIn, and YouTube.