Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior - Principal Engineer - Wastewater Collection System Planning

West Yost

Senior - Principal Engineer - Wastewater Collection System Planning

The Senior - Principal Engineer role will contribute to the development of the firm's Water Business Sector (which encompasses water system, water resource, recycled water, and collection system planning). Previous experience with Wastewater Collection System Planning/Hydraulic Modeling is required, including master planning, infiltration and inflow analysis, flow monitoring, risk assessments, alternatives analysis and development of capital improvement plans. Candidates with a desire to develop their career toward technical leadership, client service management, and/or regional/sector management are ideal.

Key Responsibilities & Functions:

  • Serving as a technical leader in wastewater collection system hydraulic evaluations utilizing a variety of commercial hydraulic modeling software programs (e.g., Infoworks ICM, AquaTwin Sewer, SewerGems, etc.).
  • Working as part of a team on projects throughout California and Oregon.
  • Analyzing various types of flow, demand, population, water quality, and facilities condition data.
  • Assessing collection system regulatory compliance.
  • Developing wastewater collection system capital improvement programs.
  • Preparing technical reports and master plans.
  • Training and mentoring staff on wastewater collection evaluation and assessments.
  • Serving as a project manager directing the hydraulic modeling and master planning work of senior level, as well as other staff engineers.
  • Providing QA/QC review on the work of others in the wastewater collection system planning team.
  • Interacting directly with clients and providing excellent client service.
  • Assisting with marketing activities and proposal development when needed.

Required Qualifications:

  • Bachelor's degree in Civil/Environmental Engineering.
  • 8+ years of experience with Wastewater Collection System Planning and Hydraulic Modeling.
  • Excellent verbal and written communication skills.
  • Experience with CAD, GIS, Microsoft Access, and hydraulic modeling software (e.g., InfoWater Pro).
  • PE licensure in the State of California. PE licensure in other states in which the firm is actively practicing may also be considered.

Preferred Qualifications:

  • Master's degree in Civil/Environmental Engineering.
  • Proven ability to manage multiple priorities and deadlines.
  • Ability to process accurate engineering calculations unaided and prepare reports.
  • Proven ability to summarize technical information using appropriate grammar, punctuation and spelling for concise reader-friendliness and clarity.
  • Experience with direct client interaction and proposal writing
  • High proficiency with InfoWater PRO; experience with Aquanuity software
  • Maintaining professional competency may require attending education classes and seminars, reading professional publications, and attending professional society meetings.
  • This position may require out-of-office travel with occasional evening and overnight assignments.

Travel Requirements: This position may require travel to other offices and/or client offices.

A Little About the West Yost Life:

You will experience many opportunities to grow and develop professionally with your colleagues through collaborative in-person work experience, knowledge sharing, and mentorship opportunities. We also offer hybrid and flexible work schedules to our employees to help promote and encourage a healthy work/life balance. All of our team members have access to local and company-wide events, our Diversity, Equity and Inclusion Workgroup, Culture Workgroup, Wellness Workgroup, book clubs, charitable giving and community service, firm-wide resources, peer groups (young professionals & middlers group), and mentorship and leadership programs. We support and foster your career success and encourage you to be in control of your future with us.

At West Yost, we make space for connection across the firm. Each month, we hold an all-hands meeting that bring together team members from every location, including those working remotely, to stay aligned and engaged. Individual sectors and teams also hold their own monthly meeting. At the local level, our offices host gatherings, from camping trips and river rafting to community events and celebrations.

Once a year, we come together in person for our Annual All Staff event, a firmwide experience focused on learning, networking, and building relationships across teams. That evening, we continue our longest-standing tradition, the Duck Dinner, where West Yosters are encouraged to bring a guest and enjoy a night of great food, connection, and entertainment.

We work hard, and we place equal value on having fun.

Our commitment to quality begins with our hiring practices. We employ the most talented team members in our industry from all backgrounds. We are highly selective of the individuals we choose to represent the firm, seeking only those individuals whose technical abilities and commitment to client service matches our vision for excellence. We are dedicated to our number one asset, our employees. Because we are employee-owned, we are responsible for and rewarded by our own success. Come to West Yost where, with our support, you'll do the best work of your life.

Standard Benefits:

We provide a comprehensive array of valuable benefits to protect your health, your family, and your way of life. Benefits include medical, dental, vision, flexible spending accounts, health saving accounts (with West Yost contribution), paid vacation, paid sick leave and holidays, two employee assistance programs, travel assistance program, 401(k) profit sharing with employer match, leaves of absence with additional supplemental paid time off, parental leave, life and AD&D insurance, short-term and long-term disability insurance, and even pet insurance.

Other Unique Benefits:

You'll be provided with support in on-going education through our 529 college savings plan/student loan repayment program, tuition reimbursement, paid professional memberships, paid training, and Leadership Academy programs. You'll be recognized for your contributions at West Yost through milestone anniversary benefits, peer to peer recognition programs, the potential for employee stock ownership, annual monetary and paid time off bonuses, performance-based bonus eligibility, merit increase eligibility, and employee referral bonuses. We also offer a wellness reimbursement.

Vacancy posted 16 hours ago
Similar jobs that could be interesting for youBased on the Senior - Principal Engineer - Wastewater Collection System Planning in Irvine, CA vacancy
  • $160k - $190k

     ...CAWater - Clean Water / Wastewater /Full-time /...  ...an employee-owned engineering, science, and operations...  ...candidate is a Senior Technical Manager...  ...in study, planning, and design of wastewater systems, including familiarity...  ...planning, treatment and collection/distribution in... 
    Senior
    Collections
    Hourly pay
    Full time
    Work at office
    Local area
    1 day per week

    Woodard & Curran

    Irvine, CA
    5 days ago
  •  ...Civil Senior Principal Engineer You'll Come for a Job…But You'll Stay for an Exciting Career! Engineering...  ...best in California. PROJECTS INCLUDE Wastewater Treatment Facilities, Collection Facilities, Water Distribution Systems, Water Treatment Plants, Storm Drainage... 
    Senior
    Collections
    Contract work
    Remote work

    Cannon

    Irvine, CA
    4 days ago
  • $128k - $175k

     ...Senior Level Engineer Brown and Caldwell (BC) has an opportunity for a senior...  ...projects for the water and wastewater industry. You will have an...  ...project to meet financial plan. Quality Management:...  ...forecasting and timely invoicing/collections. Client Service and... 
    Senior
    Collections
    Contract work
    Work experience placement
    Work at office

    Brown and Caldwell

    Irvine, CA
    5 days ago
  •  ...planners, designers, engineers, scientists,...  ...highly talented Water/Wastewater Conveyance Technical Leader/Senior Project Manager,...  ...conveyance and pumping systems, for immediate...  ...including gravity collection and distribution pressurized...  ...clients.Conduct planning and staff meetings... 
    Senior
    Collections
    For contractors
    Work at office
    Local area
    Immediate start
    Worldwide
    Relocation
    Flexible hours

    AECOM

    Orange, CA
    2 days ago
  •  ...Anduril is changing how military systems are designed, built and sold....  ..., long range intelligence collection, precision navigation, and...  ...groups of assets. We want systems engineers with experience in this field...  ...up to 25% as needed for test planning and executionPREFERRED... 
    Senior
    Collections
    Full time
    Work experience placement
    Immediate start
    Remote work

    Anduril Industries

    Costa Mesa, CA
    3 days ago
  • $128k - $175k

     ...) has an opportunity for a senior level engineer with experience managing and...  ...projects for the water and wastewater industry. You will have an...  ...project to meet financial plan. Quality Management: Create...  ...forecasting and timely invoicing/collections. Client Service and Sales/... 
    Senior
    Collections
    Full time
    Contract work
    Temporary work
    Work experience placement
    Work at office

    Brown and Caldwell

    Irvine, CA
    3 days ago
  • $128k - $175k

     ...for a self-motivated engineer with 10 to 15 years of...  ...projects related to water/wastewater design, conveyance...  ...for a self-motivated Senior Civil Engineer to join...  ...Deliver projects through planning, design, and creation...  ...Oversee and complete data collection, manipulation,... 
    Senior
    Collections
    Full time
    Temporary work
    Work experience placement
    Work at office
    Local area
    Remote work

    Brown and Caldwell

    Irvine, CA
    3 days ago
  •  ...is changing how military systems are designed, built and...  ...motivated and experienced Senior Systems Integration and Test Engineer to join our Maritime...  ...and system verification planning to ensure compliance with...  ...standards Assist with the collection and analysis of metrics... 
    Senior
    Collections

    Anduril Industries

    Costa Mesa, CA
    1 day ago
  • $170k - $220k

     ...sustainable design, engineering, and consultancy...  ...currently searching for a Principal Water Treatment...  ...of Water / Wastewater evaluations, design...  ...managing projects from planning through...  ...stations, stormwater systems, and water distribution/collection systems.Manage project... 
    Collections
    Full time
    Part time
    Local area

    Arcadis

    Irvine, CA
    5 days ago
  • $166k - $220k

     ...changing how military systems are designed, built and...  .... We're looking for a Senior Manager, Test &...  ...will lead a team of test engineers, run field campaigns at...  ...iteration. Build test plans that answer real engineering...  ...posture, data collection plan, and post-test analysis... 
    Senior
    Collections
    Full time
    Work experience placement

    Visa Hunt

    Costa Mesa, CA
    3 days ago
  • Senior Director, Business Development, Precision Engagement Systems Costa Mesa, California, United States; Washington...  ...software/hardware engineers, roboticists, and...  ...and structure resource planning for Growth, drive...  ...required to respond to a collection of information unless... 
    Senior
    Collections
    Full time
    Contract work
    Work experience placement
    Work at office

    Anduril

    Costa Mesa, CA
    5 days ago
  • $178.4k - $276.6k

     ...practice is seeking a highly motivated Principal Water/Wastewater Engineer to join our successful water team...  ...with experience in the evaluation, planning, design and construction...  ...positions are governed by applicable collective bargaining agreementsPrimary Location... 
    Full time
    Temporary work
    Part time
    For contractors
    Casual work
    Work at office
    Local area
    Flexible hours

    Stantec

    Irvine, CA
    2 days ago
  • $152.8k - $229.2k

     ...growth, and impact.A Day in the LifeThe Senior Principal Process Engineer for Dip Molding Centers of Excellence...  ...technology strategies, capability plans, and multi-year technology roadmaps.Partner...  ..., process controls, and quality systems across manufacturing sites.Provide... 
    Senior
    Full time
    H1b
    Work at office
    Local area
    Immediate start
    Remote work
    Flexible hours

    Medtronic

    Irvine, CA
    2 days ago
  • Job-ID31596320Reference25-04615 Responsibilities: Provide leadership, strategic planning, direction and implementation of clinical systems for data collection which may include vendor selection, budgeting, resource planning, vendor oversight, EDC build and study timelines... 
    Senior
    Collections

    Katalyst Healthcares & Life Sciences

    Irvine, CA
    2 days ago
  • $166k - $220k

     ...Anduril is changing how military systems are designed, built and sold....  ..., long range intelligence collection, precision navigation, and...  .... We are looking for systems engineers with experience in this field...  ...up to 25% as needed for test planning and execution, and excitement... 
    Senior
    Collections
    Full time
    Work experience placement
    Remote work

    Anduril

    Costa Mesa, CA
    11 hours ago
  •  ...but around the world. In the role of Senior Water/Wastewater Engineer, we'll count on you to:Serve as a technical expert water/wastewater planning, design, and construction projectsPrepare...  ...with Municipal Water and Wastewater Systems Planning and Design Professional Engineer... 
    Senior
    Contract work
    Work at office

    HDR

    Irvine, CA
    2 days ago
  •  ...duties of the Area Water and Wastewater Utility Planning Lead include the technical...  ..., alternatives analysis, system water quality, energy and...  ..., and distribution/collection system operational optimization...  ...degree in a professional, engineering or related field. Maintains... 
    Collections
    Work at office
    Local area

    HDR

    Irvine, CA
    2 days ago
  •  ...Benefits: Retirement Plan Dental insurance Health insurance Paid time...  ...Hydroponic farming and Rain Water/Grey Water collection systems. We have been experiencing tremendous...  ...with Sales, Provisioning, Design and Engineering, Contracting and Construction, Servicing... 
    Senior
    Collections
    Contract work
    For contractors
    Work at office

    Zero Impact Solutions

    Costa Mesa, CA
    5 days ago
  •  ...world. The primary duties of the Senior Water/Wastewater Project Manager include planning, directing, and monitoring all...  ...independently lead and supervise teams of engineers and CAD professionals to create...  ...wastewater projects and related systems. These responsibilities include... 
    Senior
    Local area

    HDR

    Irvine, CA
    2 days ago
  • $108k - $170k

     ...looking for? GHD is seeking a Senior Project Engineer - Water Treatment to join our team...  ...experience in the evaluation, planning, and/or design of Water and Wastewater treatment infrastructure...  ...power plants, and water and sewage systems.Working with an energetic and high... 
    Senior
    Contract work
    For contractors
    Work at office

    GHD

    Irvine, CA
    1 day ago
  • $132k - $180k

     ...Description We are Olsson. We engineer and design solutions...  ...Description As a Senior Mechanical Engineer,...  ...advisory services, planning, field services, and...  ...participate in a bonus system that rewards...  ...California Privacy Rights Act (collectively, the “CCPA”), this notice... 
    Senior
    Collections
    Full time
    Flexible hours

    Olsson

    Irvine, CA
    15 hours ago
  • $110.7k - $218.3k

     ...30/2026. Work you’ll do As a Senior Consultant on the SAP team, you...  ...Mediation to support usage collection, transformation, enrichment,...  ...of SAP, enterprise resource planning (ERP), billing, charging, revenue...  ...Experience with source-system integration from network, CRM... 
    Senior
    Collections
    Contract work
    Local area

    Deloitte

    Costa Mesa, CA
    2 days ago
  • $132k - $198k

     ...bridges, roads, and rail. As we plan, design, and manage projects...  ...serve, we provide planning, engineering, and infrastructure...  ...connected.Stantec is seeking a Tolls Systems & Operations Project Manager...  ...services for electronic toll collection to various tolling and transportation... 
    Collections
    Full time
    Temporary work
    Part time
    Casual work
    Work at office
    Local area
    Remote work
    Flexible hours

    Stantec

    Irvine, CA
    4 days ago
  • $131.5k - $197.2k

     ...looking for a highly motivated Principal/Senior Principal Consultant with a...  ....Lead key account planning and client engagement activities...  ...managers and project geologic, engineering and scientific staff....  ...are governed by applicable collective bargaining agreementsPrimary... 
    Senior
    Full time
    Contract work
    Temporary work
    Part time
    Casual work
    Work at office
    Local area
    Flexible hours

    Stantec

    Irvine, CA
    1 day ago
  • $87.9k - $158.24k

     ...sustainable design, engineering, and consultancy solutions...  ..., and aging systems place increasing demands...  ...will contribute to the planning, design, and delivery...  ...may include water and wastewater treatment facilities,...  ...distribution and collection infrastructure. You will... 
    Collections
    Full time
    Contract work
    Part time
    Immediate start

    Arcadis

    Irvine, CA
    3 days ago
  • $235k - $300k

     ...civil matters. We are seeking a Senior Attorney to help lead complex...  ...leverage, establish the case plan, and adapt strategy as the...  ...staffing, budgets, realization, collections, and client expectations with...  ...and colleagues, learn RMO's systems and standards, and assume... 
    Senior
    Collections
    Full time
    Work at office
    Flexible hours

    Rmo

    Costa Mesa, CA
    2 days ago
  • $122k - $212.75k

     ...Our J&J MedTech Electrophysiology Engineering team is currently recruiting for a Sr. Principal Mechanical Engineer. The...  .... Learn more at Job Summary:The Senior Principal Engineer role is pivotal...  ...testing. Contribute to strategic planning, partnership development, and external... 
    Senior
    Full time
    Contract work
    Temporary work
    Local area
    Worldwide
    Flexible hours

    Johnson & Johnson

    Irvine, CA
    1 day ago
  • $120k - $202.5k

     ...seeking a Sr.Platform Operations Engineer to help shape the next...  ...contribute to strategic technology planning. ​What We Value These skills...  ..., Engineering, Information Systems, or a related field. 10+ years...  ...platforms Cribl data collection, routing, transformation, and... 
    Senior
    Collections
    Full time
    Temporary work
    Flexible hours

    State Street Bank

    Irvine, CA
    2 days ago
  • $132k - $189k

     ...Senior Water/Wastewater Engineer At HDR, our employee-owners are fully engaged in creating a welcoming...  ...technical expert in water/wastewater planning, design, and construction projects...  ...with Municipal Water and Wastewater Systems Planning and Design Professional... 
    Senior
    Full time
    Contract work
    Temporary work
    Part time
    Work at office

    HDR

    Irvine, CA
    5 days ago
  • $150k - $250k

     .... We're seeking a Senior Platform/Real-Time Embedded Firmware Engineer with strong low-level embedded...  ...-critical control systems. This role focuses on...  ...automation support, and data collection tools for lab...  ...traceability, verification planning, configuration control,... 
    Senior
    Collections

    LMK Recruiting Solutions

    Irvine, CA
    13 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior - Principal Engineer - Wastewater Collection System Planning. Be the first to apply!