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Weekend Geologist Jobs in Portland, OR (NOW HIRING)

GRI

Geotechnical Engineer, Staff

Portland, OR · On-site

$70K - $90K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

GRI is an employee-owned, full-service geotechnical, pavement, geological, and environmental engineering consulting firm based in the Portland, Oregon area. We are an ambitious, highly trained ...

GRI

Geotechnical Engineer, Staff

Portland, OR · On-site

$70K - $90K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

GRI is an employee-owned, full-service geotechnical, pavement, geological, and environmental engineering consulting firm based in the Portland, Oregon area. We are an ambitious, highly trained ...

Delve Underground

Project Geotechnical Engineer

Vancouver, WA · On-site

$107K - $154K/yr

  • Medical

  • Dental

  • Life

  • PTO

Bachelor's degree in civil, geological, or geotechnical engineering; a graduate degree in geotechnical engineering, geological engineering, rock mechanics, or a related field is considered an asset.

City of Portland

Engineer I - Geotechnical

Portland, OR

$58.20 - $70.74/hr

This work also includes: reviewing geotechnical engineering, engineering geology and site-specific seismic hazard reports; performing reconnaissance level investigations of proposed development ...

City of Portland, OR

Engineer I - Geotechnical

Portland, OR · On-site

$58.20 - $70.74/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

This work also includes: * reviewing geotechnical engineering, engineering geology and site-specific seismic hazard reports; * performing reconnaissance level investigations of proposed development ...

GeoEngineers, Inc.

Project Geotechnical Engineer

Portland, OR · On-site

$89K - $126K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Manage small projects under the supervision of a certified professional engineer or geologist as required. Qualifications * Bachelor's degree in Civil Engineering required; Master's degree with a ...

GeoWorld

Civil - Geotechnical

Portland, OR · On-site

$89 - $126/hr

  • Medical

  • Life

  • Retirement

  • PTO

Manage small projects under the supervision of a certified professional engineer or geologist as required. Qualifications * Bachelor's degree in Civil Engineering required; Master's degree with a ...

New

GeoEngineers

Project Geotechnical Engineer

Portland, OR · On-site

$89K - $126K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Manage small projects under the supervision of a certified professional engineer or geologist as required. Qualifications * Bachelor's degree in Civil Engineering required; Master's degree with a ...

Geoengineers Inc

Project Geotechnical Engineer

Portland, OR · On-site

$89K - $126K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Manage small projects under the supervision of a certified professional engineer or geologist as required. Qualifications * Bachelor's degree in Civil Engineering required; Master's degree with a ...

Heritage-Crystal Clean, Inc.

Wastewater Technician

Portland, OR · On-site

$23 - $28.33/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Work long hours and overtime during day, night or weekend shifts. * Other reasonable directives, responsibilities and activities may change or be assigned at any time with or without notice.

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All JobsGeologist JobsWeekend Geologist JobsWeekend Geologist Jobs in Portland, OR

Weekend Geologist information

See Portland, OR salary details

$38.2K

$81.7K

$132K

How much do weekend geologist jobs pay per year?

As of Aug 20, 2026, the average yearly pay for weekend geologist in Portland, OR is $81,691.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,400.00 and $98,600.00 per year, depending on experience, location, and employer.

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 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 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.

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.

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 hours. The exact schedule can vary depending on the employer, project needs, and whether the role involves fieldwork or laboratory analysis.

What are the most commonly searched types of Geologist jobs in Portland, OR?

The most popular types of Geologist jobs in Portland, OR are:

Weekend Geologist jobs near you

Geotechnical Engineer, Staff

GRI

Portland, OR • On-site

$70K - $90K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday

Job description

GRI is seeking a Staff Geotechnical Engineer to join our growing team. As a Staff Engineer at GRI, you will gain experience working on a variety of interesting assignments under the mentorship of project/senior engineers.
GRI is an employee-owned, full-service geotechnical, pavement, geological, and environmental engineering consulting firm based in the Portland, Oregon area. We are an ambitious, highly trained, diversified staff of engineers and geologists. GRI promotes a collaborative work culture, supports training and career development, and encourages work-life integration, which results in a highly desirable work environment.
General responsibilities include:
  • Perform and manage field explorations.
  • Manage and coordinate work with drilling subcontractors.
  • Collect soil, rock, and groundwater samples & data; evaluate & interpret data.
  • Perform lab testing including Atterbergs, Consols, Direct Shear, Proctor, Triaxial, etc.
  • Perform engineering analyses.
  • Perform settlement analyses.
  • Conduct pile design.
  • Perform slope stability analysis & design.
  • Conduct pavement condition index surveys for roadways & airfields.
  • Perform back-calculation analysis & interpret FWD data.
  • Perform traffic loading analysis.
  • Write simple reports; draft more complex reports for senior engineer review such as site investigations, site assessments, and remediation activities.
  • Observe construction activities on site to ensure they meet design criteria.
  • Prepare concise and timely site visit reports.
  • Process GPR data.
  • Communicate on project sites with contractors / subcontractors.
  • Identify and understand unsuitable conditions in the field, apply knowledge to real-world situations on project sites to make recommendations.
  • Understand proper piles, anchor testing, fill placement, drilled shafts, and apply knowledge to real-world conditions on project sites to identify inappropriate or unsuitable conditions/ application, & make recommendations in real-time.
  • Generate geologic maps & cross-sections with assistance of Drafting staff and / or other Geologic or Engineering Staff.
  • Attend internal and external project meetings.
  • Actively engage in mentorship activities with senior GRI staff.
  • Attend professional society meetings.

Required Skills / Abilities:
  • Strong understanding of geotechnical engineering design and investigation, and the terms and methodology used in geotechnical engineering.
  • Ability to perform calculations and use tools to compute data Skilled in use and application of geotechnical numerical modeling software.
  • Experience with soil structure interaction.
  • Familiarity with bridge and waterfront design and construction.
  • Interpret and communicate site plans and specifications.
  • Communicate clearly with project managers; ability to manage time and meet deadlines.
  • Engage in client networking to level appropriate; participate in firm outreach activities.
  • Ability to work with a variety of other personnel in the office and in the field.

Position Requirements:
  • M.S. Civil Engineering (Geotechnical option).
  • EIT Preferred.
  • Valid driver's license.

Physical Requirements:
  • Use computers, tablets, and mobile devices.
  • Perform physical tasks on project sites that may include walking, climbing, crawling, or standing for long periods of time.
  • Lift up to 65 pounds at times.
  • Travel to project sites in vehicles.

Annual Salary: $70,000 - $90,000
GRI offers a comprehensive compensation package that includes competitive salary, generous PTO accrual, 9 paid holidays, 401K with immediate company contribution, 100% employer paid Medical / Dental / Vision / Life / Disability insurance, eligibility for annual bonuses, and continuing education and training reimbursement programs.
GRI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
GRI logo

About GRI

Sourced by ZipRecruiter

Industry

Civil engineering construction

Company size

51 - 200 Employees

Headquarters location

Tigard, OR, US

Year founded

1984

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