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Subsurface Data Analyst Jobs in California (NOW HIRING)

Experience with geophysical monitoring or analysis of microseismic data * Experience modeling fluid flow in the subsurface, geomechanical behavior of faults, or seismic wave propagation * Experience ...

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Experience with geophysical monitoring or analysis of microseismic data * Experience modeling fluid flow in the subsurface, geomechanical behavior of faults, or seismic wave propagation * Experience ...

Experience with geophysical monitoring or analysis of microseismic data * Experience modeling fluid flow in the subsurface, geomechanical behavior of faults, or seismic wave propagation * Experience ...

Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop ... Transport material, samples or documents to the laboratory for further testing and analysis.

Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop ... Transport material, samples or documents to the laboratory for further testing and analysis.

Assistant Geologist

Gardena, CA ยท On-site

$26.75 - $37.50/hr

Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop ... Transport material, samples or documents to the laboratory for further testing and analysis.

Assistant Geologist

Colton, CA ยท On-site

$24.50 - $34.50/hr

Evaluate and interpret subsurface field and sampling data including soil and groundwater to develop ... Transport material, samples or documents to the laboratory for further testing and analysis.

Junior GeoProfessional

El Segundo, CA ยท On-site

$20 - $35/hr

... analyzing, and interpreting geological data to inform project decisions including safety and ... subsurface conditions. Ultimately, this position aims to develop technical expertise while ...

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Showing results 1-20

Subsurface Data Analyst information

See California salary details

$33.6K

$81.6K

$134.2K

How much do subsurface data analyst jobs pay per year?

As of Jul 2, 2026, the average yearly pay for subsurface data analyst in California is $81,558.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,700.00 and $95,700.00 per year, depending on experience, location, and employer.

What are some typical day-to-day duties of a Subsurface Data Analyst?

On a typical day, a Subsurface Data Analyst gathers and processes geological, geophysical, or petrophysical data to help evaluate subsurface conditions and identify potential resource opportunities. They use specialized software to interpret seismic data, generate subsurface maps or models, and contribute technical findings to multidisciplinary teams. The role often involves preparing reports or data visualizations and participating in project meetings to support engineers, geoscientists, or drilling specialists. Analysts may also be responsible for quality control of incoming data and recommending improvements in data acquisition or interpretation techniques.

What is a Subsurface Data Analyst job?

A Subsurface Data Analyst collects, processes, and interprets geological and geophysical data to support exploration and production activities in industries like oil and gas, mining, and environmental science. They work with datasets from sources such as seismic surveys, well logs, and geological models to identify patterns, assess subsurface conditions, and improve decision-making. This role requires expertise in data management, visualization, and analytics tools to ensure accurate and efficient use of subsurface information.

What are the key skills and qualifications needed to thrive in the Subsurface Data Analyst position, and why are they important?

To thrive as a Subsurface Data Analyst, you need a solid background in geology, geophysics, or petroleum engineering, with proficiency in data analysis and interpretation related to subsurface environments. Expertise with technical tools such as Petrel, Kingdom, or Geoteric software, along with experience in handling large datasets, and certifications like GISP or relevant industry training, is highly valued. Strong problem-solving skills, attention to detail, and effective communication abilities set outstanding analysts apart. These skills ensure accurate data-driven insights that are vital for resource evaluation and successful collaboration within multidisciplinary energy or environmental teams.

What are popular job titles related to Subsurface Data Analyst jobs in California? For Subsurface Data Analyst jobs in California, the most frequently searched job titles are:
What job categories do people searching Subsurface Data Analyst jobs in California look for? The top searched job categories for Subsurface Data Analyst jobs in California are:
What cities in California are hiring for Subsurface Data Analyst jobs? Cities in California with the most Subsurface Data Analyst job openings:
Infographic showing various Subsurface Data Analyst job openings in California as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $81,558 per year, or $39.2 per hour.
Hydrogeologist, Mid-Career

Hydrogeologist, Mid-Career

GSI Water Solutions, Inc

Santa Barbara, CA โ€ข Hybrid

$100K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 19 days ago


Job description

POSITION: Hydrogeologist, Mid-Career

CLASSIFICATION: Full-time, Exempt

REPORTS TO: Practice Director

LOCATION: Santa Barbara

SALARY RANGE: $100,000.00 - $120,000.00 (exclusive of bonuses and other rewards)

While we anticipate the selected candidate for this position will fall towards the middle or entry point of thecompensation range, the decision will be made on a case-by-case basis.

GSI Water Solutions (GSI) is seeking a skilledHydrogeologistwho has project manager experience in California water supply issues to help manage a thriving and growing base of groundwater projects. This is an exciting opportunity to join a passionate, high-performing team of professionals making a positive impact in the water industry.


ABOUT GSI:

GSI Water Solutions is an employee-owned consulting firm specializing groundwater, environmental, and water resources with offices in Oregon, Washington, and California. At GSI, we take pride in being a company that treats its employees with respect and fairness and strives for all team members to feel they belong, have valuable insights, and can grow with us. We value work-life balance and are open to flexible work and scheduling arrangements.

As hydrogeologists, engineers, environmental scientists, and water experts, we focus on helping our clients protect our shared natural resources. We help develop and manage groundwater resources and ensure the long-term sustainability and reliability of this invaluable resource.


Learn more on our website: http://gsiwatersolutions.com


ABOUT OUR HYDROGEOLOGISTS:

OurHydrogeologists, Mid-Careerplay a crucial role by combining technical expertise with strong managerial and leadership skills. They ensure the successful completion of projects through complex analyses, meticulous project management, insightful interpretation of data, and report writing. They typically manage smaller projects (or aspects of larger projects) with the potential to take on more complex projects as experience is acquired. Their ability to mentor junior staff and cultivate client relationships underscores their pivotal contribution to our continued growth and success in the industry.


IN THIS ROLE YOU WILL:

  • Complete complex analyses and calculations.
  • Manage and organize field programs and conduct technical briefings to field staff.
  • Perform interpretation of subsurface data.
  • Generate complete proposals and technical reports.
  • Participate in technical review of project work and reports.
  • Develop project budgets and scopes for review by senior-level project manager.
  • Participate in contract review.
  • Develop and maintain client contact before and after completion of job.
  • Participate in marketing activities.
  • Mentor entry-level and other mid-career staff to develop skills in fieldwork, data interpretation and project management.


REQUIRED EDUCATION AND EXPERIENCE:

Any combination of experience and training that would likely provide the required knowledge and abilities isqualifying. Typical ways to obtain the required knowledge and abilities include:

  • Master's degree from an accredited college or university in hydrogeology or geology plus a minimum of 6 years of professional experience;
  • -OR- a Bachelor's degree from an accredited college or university in hydrogeology or geology plus a minimum of 8 years of professional experience.
  • -AND- 2 years experience in managing projects.


CERTIFICATES, LICENSES, AND REGISTRATIONS:

  • Professional geologist or certified hydrogeologist license within the state that work will be performed is preferred.
  • Current and valid driver's license and clean driving record.


VALUED EDUCATION AND EXPERIENCE:

  • Experience in water resources planning, water supply development, and/or groundwater management in California.
  • Advanced coursework in hydrogeology.
  • Experience in groundwater supply, municipal production well design, construction, and testing, environmental groundwater characterization, and/or water resource management projects, including preparation of technical reports and proposals and budgets.
  • Thorough knowledge of groundwater flow and well hydraulics.


SUCCESS FACTORS:

  • An understanding of the technical complexities of groundwater management issues in California.
  • Proficient in all phases of business development activities.
  • Excellent technical skills with the ability to organize and manage work efforts of various types.
  • Excellent verbal and written communication, organizational, and report-writing skills.
  • Ability to work independently and in teams.
  • A self-starter with an entrepreneurial character.
  • Emotional intelligence and humility.
  • Appreciation for diversity.
  • Service and action-oriented.


BENEFITS:

  • Flexible/hybrid work schedules
  • 401k with employer match, up to 4%
  • Potential for annual bonus based on company performance.
  • Employee-Owned company through Employee Stock Ownership Plan (ESOP)
  • Highly competitive medical, dental, vision insurance plans for employees and their families with alternative care coverage included in medical plans.
  • Access to medical and dependent-care flexible spending accounts
  • Employer paid short-term disability, long-term disability, and life insurance.
  • 5 weeks of paid time off annually (pro-rated the first year based on start date)
  • Paid time off for certification and licensing exams
  • Paid attendance at professional conferences in support of career development
  • Paid memberships in professional organizations
  • Reimbursement for professional registrations and renewals
  • Cell phone stipend to assist with the cost of using a personal cell phone for business purposes
  • Discounts on Carhartt and Danner clothing and footwear


TO APPLY:

Please submit your resume along with a cover letter outlining your interest in the position and how your experience aligns with the role.


We encourage candidates to apply even if they do not meet every qualification listed. We value potential, transferable skills, and a willingness to learn just as much as direct experience. Research shows that many qualified candidates, particularly those from historically marginalized communities, hesitate to apply unless they meet 100% of the criteria. We're interested in the whole person, not just a checklist.


PHYSICAL DEMANDS AND WORK ENVIRONMENT:

The physical demands and work environment described here are representative of those that must be metby an employee to successfully perform the essential functions of this job. Reasonable accommodationsmay be made to enable individuals with disabilities to perform the essential functions.

  • The work performed is conducted primarily in a professional office environment and requires the use of standard office equipment such as computers, phones, and copiers.
  • While performing the duties of the job, you will frequently be required to sit, talk, and hear. Visual acuity sufficient to view documents and computer screens, with or without correction, is required.Occasionally required to reach with hands and arms, climb short distances, balance and stoop, kneel and crouch.
  • Fieldwork activities may involve lifting and carrying equipment weighing up to 50 pounds, bending, stooping, and walking over uneven terrain.
  • Fieldwork activities may include exposure to various environmental conditions, including but not limited to: inclement weather, extreme temperatures, rugged terrain, and/or potential exposure to hazardous materials. Personal protective equipment (PPE) will be provided and required for field activities to ensure safety and compliance with OSHA standards.
  • Travel to project sites, client meetings, and regulatory agencies as needed. Travel frequency will vary depending on project locations and requirements but, in general, will comprise approximately 30-50% of work time. Project areas are generally local, or within an approximately a two to three-hour drive.
  • Overnight stay may be required at the expense of GSI.


EEO STATEMENT:

We also support environmental justice, green practices, and carbon footprint reduction. We are committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.