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Weekend Geologist Jobs in California (NOW HIRING)

OMS Group

Professional Geologist

Pleasant Hill, CA · On-site

$90K - $140K/yr

Some overtime and weekend work may be required. Successful candidates will have 5 to 10 years of experience with conducting site geological investigations, preparing geological reports and models to ...

Essel

Geologist

Santa Ana, CA · On-site

As a Project Geologist, you will play a key role in conducting geological and environmental assessments, performing field investigations, and analyzing data to support our projects. You will work ...

Essel

Geologist

Santa Ana, CA · On-site

As a Project Geologist, you will play a key role in conducting geological and environmental assessments, performing field investigations, and analyzing data to support our projects. You will work ...

Essel

Geologist

Santa Ana, CA

As a Project Geologist, you will play a key role in conducting geological and environmental assessments, performing field investigations, and analyzing data to support our projects. You will work ...

Actalent

Geologist

Ventura, CA · Hybrid

$35 - $41/hr

Skills Environmental science, Geology, Geotechnical, Geotechnical engineering, Civil, Remediation, Soil sampling, Sample analysis Top Skills Details Environmental science,Geology,Geotechnical ...

Actalent

Geologist

Ventura, CA · Hybrid

$35 - $41/hr

Skills Environmental science, Geology, Geotechnical, Geotechnical engineering, Civil, Remediation, Soil sampling, Sample analysis Top Skills Details Environmental science,Geology,Geotechnical ...

Earthmech

Senior Geologist

Fountain Valley, CA · On-site

$120 - $180/hr

EMI is seeking a Senior Geologist to support geologic and geotechnical investigations for ... Ability to travel up to 70% of the time, including overnight, weekend, and extended field ...

New

Terra AI

Senior Geologist

Redwood City, CA · On-site

$185K - $250K/yr

The company's platform integrates geological, geophysical, and drilling data into intelligent systems designed to improve targeting accuracy, accelerate discovery timelines, and reduce exploration ...

Essel

Geologist

Fairfield, CA

We are looking for Geologist to join the team! Primary Responsibilities: * Analyze geological data and prepare detailed technical reports. * Evaluate potential environmental risks and impacts ...

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All JobsGeologist JobsWeekend Geologist JobsWeekend Geologist Jobs in California

Weekend Geologist information

See California salary details

$35.5K

$76K

$122.9K

How much do weekend geologist jobs pay per year?

As of Aug 8, 2026, the average yearly pay for weekend geologist in California is $76,022.00, according to ZipRecruiter salary data. Most workers in this role earn between $55,300.00 and $91,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a weekend geologist, and why are they important?

To thrive as a Weekend Geologist, a solid understanding of geological principles, field observation skills, and at least a bachelor's degree in geology or a related field are typically required. Familiarity with GPS devices, rock/mineral identification kits, and geologic mapping software is common in this role. Strong attention to detail, analytical thinking, and effective communication help individuals excel during short, focused fieldwork periods. These skills ensure accurate data collection, safe field practices, and meaningful contributions to ongoing geological projects.

Is there a high demand for weekend geologists?

The demand for weekend geologists is generally lower than for full-time positions, as geology work often requires weekday fieldwork, analysis, and reporting. However, part-time or weekend roles may be available in specific industries such as environmental consulting or mining, especially for experienced geologists with relevant certifications and skills in fieldwork and data collection.

How many hours a week do weekend geologists work?

Weekend geologists typically work part-time hours, often around 10 to 20 hours per week, primarily during weekends or outside regular weekday schedules. The exact hours depend on the employer, project needs, and whether the role involves fieldwork or office analysis.

What are the typical duties and expectations for a weekend geologist, and how does the part-time schedule impact collaboration with the rest of the team?

As a Weekend Geologist, your primary responsibilities often include conducting fieldwork such as rock and soil sampling, site inspections, and data collection, usually concentrated over weekends. Because the role is part-time, effective communication and coordination are crucial to ensure your findings are seamlessly integrated with the work done by full-time team members during the week. You'll typically need to prepare detailed reports and share updates promptly so the team can continue their analyses without delay. Flexibility and self-motivation are important, as you may work independently in the field while maintaining alignment with the broader project goals.

What is the difference between Weekend Geologist vs Part-Time Geologist?

AspectWeekend GeologistPart-Time Geologist
CredentialsTypically requires a geology degree or related certificationSame as Weekend Geologist, often with additional certifications
Work EnvironmentField sites, laboratories, and offices during weekendsFlexible hours, often similar to weekends, may include weekdays
Employer & IndustryMining, environmental consulting, oil & gas companiesSimilar industries, often consulting firms or research institutions
Search & Comparison IntentPeople seeking weekend-specific geology work or part-time rolesIndividuals looking for flexible geology positions

Weekend Geologists and Part-Time Geologists share similar credentials and work environments, often working in the same industries. The main difference lies in scheduling: Weekend Geologists primarily work on weekends, while Part-Time Geologists may have flexible hours throughout the week. Both roles suit those seeking flexible geology careers outside standard full-time hours.

What is a weekend geologist?

Weekend Geologists are individuals who pursue geology as a hobby or part-time interest, typically during weekends or outside of their regular work hours. They often engage in activities such as rock and mineral collecting, fossil hunting, geological field trips, or participating in amateur geology clubs. Weekend Geologists may not have formal training, but they are passionate about earth sciences and often contribute to the field through citizen science, local discoveries, or educational outreach.
What are the most commonly searched types of Geologist jobs in California? The most popular types of Geologist jobs in California are:
What cities in California are hiring for Weekend Geologist jobs? Cities in California with the most Weekend Geologist job openings:
Weekend Geologist jobs near you

Professional Geologist

OMS Group

Pleasant Hill, CA • On-site

$90K - $140K/yr

Contractor

Re-posted 6 days ago

Job description

Description
Professional Geologist
Job Description
Job Title: Professional Geologist
Reports to: Program Manager
Position Summary:
OMS Consulting Services, LLC is hiring Sr. Staff to Project-level Professional Geologists. These are full-time positions. Some overtime and weekend work may be required. Successful candidates will have 5 to 10 years of experience with conducting site geological investigations, preparing geological reports and models to obtain regulatory approval for remedial site investigations and closures and preparing Construction Stormwater Pollution Prevention (SWPP) Plans, Spill Prevention Control and Countermeasure (SPCC) Plans, site audits and regulatory filings and updates.
Ideal candidates should also have experience with the implementation and construction of remedial solutions for contaminated waste sites, facility demolition, construction, and related activities associated with soil and water remediation at industrial sites.
Candidates should also possess broad familiarity with Federal EPA, RCRA, and CERCLA regulations and the state of California Department of Toxic Substances Control (DTSC) and Regional Water Quality Control Board (RWQCB) regulations related to facilities and construction site stormwater and spill prevention compliance, contaminated site investigation, characterization, remediation, and disposition. Demonstrated ability to manage and oversee projects and field construction activities is a requirement. Preferred industries of experience include power utilities, rail, aviation, chemical, oil and gas, and mining. Business conduct must occur in accordance with OMS policies and procedures and be aligned with the goals of OMS.
Essential Functions:
• Project management and technical lead for SWPP plans
• Project management of multiple environmental site investigation and remediation construction projects
• Design geologic investigations in support of remedial systems for ground water treatment, waste immobilization, soil stabilization, shoring, chemical and thermal oxidation, excavation and related remedial solutions.
• Design and engineer construction stormwater pollution and erosion control and develop plans in accordance with RWQCB requirements (requires California Qualified Storm Water Developer (QSD) certificate)
• Design Spill Prevention, Control and Countermeasure (SPCC) Plans in accordance with EPA requirements
• Conduct geological, soil and groundwater investigations, including design of groundwater sampling, groundwater monitoring systems, and groundwater dispersion modelling.
• Develop cost estimates, plans and specifications, project schedules, and technical proposals
• Serve as Professional Geologist, review and sign off on geological investigations and monitoring reports.
• Manage assigned projects and lead assigned proposals
• Develop business and follow-on projects with existing clients through excellent delivery of assigned projects
• Willingness to travel occasionally and be available for night and weekend work, on occasion, as needed
• Other duties as assigned by OMS or the client.
Qualifications:
o Bachelor's degree in geology with 5 to 10 years related experience or equivalent.
o California Professional Geologist (PG) license
o California QSD or QSP and ability to obtain QSD within 6 months of employment
o Must have a valid driver's license with the ability to pass a motor vehicle records check along with a pre-employment background check, drug screen and health exam.
o Strong written and verbal communication skills
o Strong interpersonal skills, ability to resolve problems and to work with stakeholders
o Ability to delegate project assignments and mentor junior staff
o Proven competence with laptops, tablets, smartphones, and Microsoft Office
o Ability to travel, work outdoors in inclement weather
o Ability to work occasional overtime and weekends
o Conduct a background check, drug screening, and physical exam.
o Approval by Client Representative.
Preferred Qualifications:
o Master's degree and 7+ years' experience.
o 40-Hour OSHA HAZWOPER (current)
o Project Management Professional (PMP) Certification
o MSHA
o OSHA-30 construction
o Familiarity with Federal Energy Regulatory Commission (FERC) and California Division of Safety of Dams (DSOD) regulations and engineering requirements a plus
Pay Range
$90,000.00 Annually to $140,000.00 Annually

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