Independent Contractor Geologist Jobs in California

Position Overview

We are seeking a motivated Geologist at entry-level to project geologist level to join our

geotechnical engineering /geology team in downtown San Francisco. This position offers hands-on

experience in construction observation, subsurface exploration, and laboratory testing in an urban

environment. The role is ideal for recent graduates or early-career professionals as well as

experienced geologist looking to build a strong technical foundation in geotechnical and

engineering geology practice.

This position includes project management, proposal and report writing, fieldwork on active

construction sites across the Bay Area, with responsibilities that directly support foundation

construction, earthwork operations, and geotechnical investigations. Clients include San

Francisco Public Utilities Commission, San Francisco Department of Public Works, US Army Corp

of Engineers, San Francisco International Airport, Oakland International Airport, San Francisco

Unified School District, Oakland Unified School District, and East Bay Municipal Utilities District.

Primary Responsibilities (varies with experience)

Field Responsibilities (approximately 30 to 70%):

• Perform field sampling and logging during drilling operations, including:

o Standard Penetration Tests (SPTs), Modified California (Mod Cal) sampling, Shelby

tube sampling, and Bulk sampling for laboratory testing

• Perform infiltration/percolation tests

• Observe and document deep foundation installations, including:

o Micropiles, Auger-cast piles, Push-in piles, etc.

• Observe tieback installations and testing

• Observe backfill placement and compaction operations

• Prepare daily field reports, field boring logs, and field installation logs

• Coordinate with drillers, contractors, and project engineers in the field

• Reviewing construction documents such as plans and specifications

Office Responsibilities (approximately 30% to 70%):

• Support laboratory testing in the in-house geotechnical laboratory

• Assist with permits, workplans, site-specific data review, proposals, and report preparation

• Compile boring logs and field documentation

• Support geotechnical analyses and project deliverables

Minimum Qualifications

• Bachelor’s degree in Geology, Engineering Geology, Geological Sciences, or a related

field / Graduate degree is a plus

• Strong interest in engineering geology, geology, geotechnical and environmental site

assessments and investigations, and construction observation

• Willingness and ability to perform regular fieldwork in urban construction environments

• Ability to work flexible hours as required by construction schedules

• Strong written and verbal communication skills

• Ability to work both independently and as part of a team

• Detail oriented, resourceful, well organized, and self-motivated

• Valid driver’s license

Preferred Experience (Not Required)

• Prior geotechnical field experience

• Geologist-In-Training certification

• Familiarity with Bay Area geology

• Familiarity with drilling operations and soil sampling methods

• Experience with construction observation or inspection

• Basic laboratory testing experience

What We Offer

• Hands-on field experience on major urban construction projects for public sector clients

• Direct mentorship from licensed geotechnical engineers and geologists

• Exposure to a wide range of foundation systems and ground improvement methods

• Training in both field and laboratory procedures

• Career development in geotechnical and engineering geology practice

Work Environment

This position involves regular work on active construction sites and includes:

• Outdoor work in varying weather conditions

• Physical activity including standing, walking, and lifting field equipment

• Urban construction environments

Benefits

We offer a competitive salary plus an exceptional benefits package for full-time employees

including:

• Annual increases & bonus pay

• Medical, dental, and vision (optional)

• Flexible Spending Accounts and Dependent Care Spending Accounts (optional)

• 401(k) and 401(k) matching after 1 year of employment (up to 4%)

• Vacation, Sick time, and 7 paid holidays

• LTD, Life, and AD&D Insurance

• Professional development opportunities

Salary Range:

Annual Salary Hourly Salary

Title Min Max Min Max

Staff Geologist $70,000.00 - $85,000.00 $33.65 - $40.86

Senior Staff Geologist $80,000.00 - $100,000.00 $38.46 - $48.07

Project Geologist $110,000.00 - $140,000.00 $52.88 - $67.30

Commitment to Diversity

AGS is committed to creating and maintaining a workplace in which all employees have an

opportunity to participate and contribute to the success of the business and are valued for their

skills, experience, and unique perspectives. This commitment is embodied in company policy and

the way we do business at AGS and is an important principle of sound business management.

AGS is an Equal Opportunity/Affirmative Action Employer

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified

applicants with arrest and conviction records.