Local recruitment: Senior Hydrogeologist

West Yost

California, USA 🇺🇸


Who we are:

We are a water-focused engineering consulting firm, certified as a Great Place to Work® based on feedback from our community of over 230 team members and ranked top three in the AEC Advisors 2021 Diversity Index Top Firms.  Since 1990, our mission has been to be the water firm of choice for both our clients and our team. Over the years we have built upon that mission and now integrate a host of high-quality services in groundwater, water supply, water and wastewater treatment, water infrastructure, stormwater, recycled water, construction management, and operations technology from our multiple locations in the west.  As a team, we work with our clients to understand their true needs. Our long-term relationships are based on integrity, partnership, and high-value solutions. In 2022 and beyond, West Yost is advancing water resources for future generations and living our core values every day.

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.

Compensation range:  $103,040 to $154,560 for candidates in Lake Forest, CA.  West Yost uses geographic salary differentials that would apply for candidates in other regions. 

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.


The Position (location is open to both Northern and Southern California)

Our Groundwater Team is unmatched in its ability to design and implement holistic, sustainable groundwater management solutions that fuse the needs of clients, the environment, and surrounding communities. We are seeking a Senior Hydrogeologist to join our growing team of solution-focused scientists, geologists, and environmental engineers.

The Senior Hydrogeologist will have the desire to drive our capabilities to new heights by working directly with clients and team members to grow our practice. This leader has strong experience in capturing and delivering projects, developing, and nurturing client relationships, and mentoring emerging professionals. This position will provide valuable support to the Groundwater Business Sector Leader and provide opportunities to collaborate on projects and programs to advance the GW team. 

The Ideal Candidate:

  • Thrives in a creative, collaborative, problem-solving environment – seeking new solutions to old problems.
  • Seeks to understand current and anticipates future trends in the industry and collaborates to address them through innovation and creative thinking.
  • Can communicate complex technical information to decision makers.
  • Is experienced in the development of detailed technical scopes of work to answer complex hydrogeologic questions.
  • Values the importance of training our next generation of technical and industry leaders and has served in mentorship or other leadership roles.
  • Has technical expertise in some or all of the following areas:
    • Groundwater management planning, including SGMA compliance.
    • Land subsidence management.
    • Design, implementation, and interpretation of geophysical surveys.
    • Development and implementation of field groundwater monitoring programs.
    • Groundwater field monitoring methods (to be able to train emerging professionals, design training programs).
    • Well drilling and rehabilitation.
    • Development of hydrogeologic conceptual models for groundwater modeling.
    • Regulatory compliance.
  • Is a proven project manager on multiple large projects simultaneously.
  • Is experienced with client management and business development.
  • Is engaged in professional organizations and other activities.

Required Qualifications

  • PG and CHG licenses in California required (Will consider candidates that are qualified, prepared and plan to take the CHG test on the next available date.)
  • Bachelor’s in Geology or related field, Master’s degree preferred
  • 12 years + experience in groundwater resources
  • Knowledge of and experience with Water Quality
  • Substantial water resources project experience in CA
  • Excellent technical writing and communication skills

A day in the life:

Our team has the option to design their ideal work arrangements, flexible to their needs, while still maintaining access to our local office teams; this provides the opportunity to connect with colleagues in the office environment. Our remote, hybrid and office-based team members all 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.

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, remote work options, and flexible schedules.  You’ll experience many opportunities to connect with your colleagues through our annual company-wide monthly staff meetings, annual in-person All Staff meeting, Duck Dinner, company camping events, company celebrations, and other company-sponsored events.

Licenses & Certifications


Certified Hydrogeologist

Cert Prof Geologist






IHE Delft MSc in Water and Sustainable Development