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Independent Contractor Soil Scientist Jobs (NOW HIRING)

However, the Conservation Technician exercises independent decision making and judgment working ... Conduct inspections and work with contractors during project construction to ensure completion ...

Environmental Scientist

Fort Mill, SC · On-site

$65K - $86K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Work independently Team-Oriented Customer Oriented Able to manage multiple tasks and provide ...

Environmental Scientist

Fort Mill, SC · On-site

$65K - $86K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Work independently Team-Oriented Customer Oriented Able to manage multiple tasks and provide ...

Environmental Scientist

Fort Mill, SC · On-site

$65K - $86K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Motivated • Work independently • Team-Oriented • Customer Oriented • Able to manage ...

Senior Environmental Scientist

Fort Mill, SC · On-site

$73K - $98K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Work independently * Team-Oriented * Customer Oriented * Able to manage multiple tasks and provide ...

Senior Environmental Scientist

Fort Mill, SC · On-site

$73K - $98K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Work independently * Team-Oriented * Customer Oriented * Able to manage multiple tasks and provide ...

Senior Environmental Scientist

Fort Mill, SC · On-site

$73K - $98K/yr

Certified Professional Soil Scientist (CPSS) * Certified Wildlife Biologist (CWB) * ASTM Phase I ... Work independently * Team-Oriented * Customer Oriented * Able to manage multiple tasks and provide ...

Showing results 21-40

Independent Contractor Soil Scientist information

See salary details

$50.5K

$111.3K

$137.5K

How much do independent contractor soil scientist jobs pay per year?

As of Aug 7, 2026, the average yearly pay for independent contractor soil scientist in the United States is $111,343.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,500.00 and $137,000.00 per year, depending on experience, location, and employer.

How much does an independent contractor soil scientist get paid?

An independent contractor soil scientist typically earns between $25 and $50 per hour, depending on experience, certifications, and project complexity. Compensation can also be project-based or hourly, with some contractors earning higher rates for specialized skills or advanced equipment use.

What jobs can you get with a soil scientist degree?

A soil scientist degree qualifies individuals for roles such as environmental consultant, soil analyst, land use planner, and environmental technician. These jobs often involve field sampling, laboratory analysis, and data interpretation, requiring knowledge of soil properties, environmental regulations, and often the use of GIS tools.

What is the difference between Independent Contractor Soil Scientist vs Soil Technician?

AspectIndependent Contractor Soil ScientistSoil Technician
CredentialsTypically requires a Bachelor's or Master's in Soil Science or Geology, with relevant certificationsUsually requires a high school diploma or associate degree, with some technical training
Work EnvironmentField and office work, often freelance or project-basedPrimarily fieldwork, often employed by consulting firms or government agencies
Employer & Industry UsageUsed by consulting firms, environmental companies, and independent projectsCommonly employed by environmental firms, government agencies, and research labs

The main difference is that Independent Contractor Soil Scientists typically hold advanced credentials and work independently on projects, while Soil Technicians usually have technical training and work under supervision in field settings. Both roles are essential in soil analysis but differ in responsibilities and employment structure.

Are soil scientists in demand?

Soil scientists are in steady demand due to their role in environmental assessment, land use planning, and sustainable agriculture. Employment opportunities are often available in government agencies, consulting firms, and research institutions, especially for those with strong fieldwork skills and relevant certifications.
More about Independent Contractor Soil Scientist jobs
What cities are hiring for Independent Contractor Soil Scientist jobs? Cities with the most Independent Contractor Soil Scientist job openings:
What are the most commonly searched types of Soil Scientist jobs? The most popular types of Soil Scientist jobs are:
What states have the most Independent Contractor Soil Scientist jobs? States with the most job openings for Independent Contractor Soil Scientist jobs include:
What job categories do people searching Independent Contractor Soil Scientist jobs look for? The top searched job categories for Independent Contractor Soil Scientist jobs are:
Infographic showing various Independent Contractor Soil Scientist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 71% Full Time, 19% Part Time, and 9% Contract. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $111,343 per year, or $53.5 per hour.

Soil Chemistry / ICP Instrumentation Consultant

EarthOptics

Emeryville, CA • On-site

$1.0K - $1.5K/day

Contractor

Posted 13 days ago


Job description

Join EarthOptics as the Soil Chemistry / ICP Instrumentation Consultant!


Our mission is to be the leading soil information company, delivering maps that growers, farmers, ranchers, and other stakeholders use to cost-effectively increase yields and improve soil health and the climate. We are creating a future where traditional sampling methods are obsolete.


At EarthOptics, we are combining cutting-edge genomic analysis, data science, microbiology, and remote sensing to revolutionize agriculture. Our unified mission is to help farmers and ranchers sustainably increase their yields and feed the growing world through all things soil.


We are a growing company with a passion for soil health, innovative technologies, and supporting all within the food value chain. We currently have ~100 individuals spread across 20 states and 2 countries, and they come from all walks of life, industries, and experiences. We are deeply focused on building the future of AgTech and sustainability and helping the world see soil differently.


EarthOptics is seeking an experienced Soil Chemistry / ICP Instrumentation Consultant to support high-throughput soil chemistry operations in our Emeryville, CA lab. This part-time contractor will provide hands-on support and guidance for development of QA/QC protocols, QA/QC review, instrument troubleshooting, and practical workflow improvement.


The ideal consultant has direct experience operating ICP-OES and/or ICP-MS instruments in a soil, agricultural, environmental, or analytical chemistry lab. This person should be comfortable with calibration, standards, blanks, duplicates, spikes, rerun criteria, contamination control, instrument maintenance, method development, and review of analytical data for quality and consistency.


This is a hands-on technical role. The consultant will work closely with Soil Science Lab Operations, and Data teams to support reliable data generation, reduce instrument downtime, and improve ICP-related workflows.


The digs: 

  • Job Type: Independent Contractor, approximately 1-2 days per week.  Initial engagement may be structured as a 3- to 6-month contract, with possible extension based on lab needs.
  • Target Start Date: ASAP
  • Compensation: $1,000-$1,500/day, depending on experience


Responsibilities Include: 

  • Troubleshoot ICP-OES and/or ICP-MS instrumentation used for high-throughput soil chemistry analysis.
  • Review analytical data for quality assurance and quality control, including instrument drift, contamination, calibration performance, failed controls, rerun criteria, and overall data integrity.
  • Document instrument issues, maintenance activities, QC findings, corrective actions, and quality findings.
  • Improve standard operating procedures (SOPs), laboratory workflows, quality control processes, and operator consistency.
  • Recommend practical improvements that increase instrument reliability, laboratory throughput, and analytical data quality.
  • Collaborate closely with Soil Science and Data teams to ensure accurate, timely, and reliable soil chemistry results.
  • Operates with EarthOptics’ cultural concepts of Autonomy, Accountability, Collaboration, Customer Centricity, Grit, and Grace.


Are you our soil-mate?: (Your qualifications) 

  • Bachelor's degree in Soil Science, Chemistry, Environmental Science, Agronomy, or a related scientific discipline.
  • Hands-on experience with ICP-OES and/or ICP-MS operation.
  • Experience troubleshooting instrumentation, analytical methods, sample preparation, and laboratory data quality issues.
  • Experience with soil, agricultural, environmental, plant, water, or comparable sample matrices.
  • Strong understanding of analytical quality assurance and quality control practices.
  • Strong technical documentation and written/verbal communication skills.
  • High-throughput production lab experience.
  • Soil nutrient or elemental analysis experience.
  • Experience with LIMS, instrument data systems, SQL, Python, R, or structured data review.


Inclusion and Diversity at EarthOptics: 

At EarthOptics, we embrace diversity and equality, and stand against any form of discrimination or harassment. We base all hiring and promotion decisions on business needs, job requirements, and individual qualifications, regardless of race, color, religion, gender, gender identity, national origin, age, marital status, parental status, veteran status, or disability.


We are deeply committed to welcoming and including every qualified individual. As a part of this commitment, we ensure that persons with disabilities have access to reasonable accommodations. If you require assistance during the job application or interview process, need support to perform essential job functions, or seek other benefits and privileges of employment, please reach out to us at accommodations@earthoptics.com.