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Project Scientist Jobs in Missouri (NOW HIRING)

Trileaf Corporation

Sr. Project Scientist

Saint Louis, MO · On-site

$60K - $80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Trileaf is seeking a full-time Sr Project Scientist with 5 -15 years of experience conducting environmental and real estate due diligence (Phase I Environmental Site Assessments and Property ...

Trileaf Corporation

Sr. Project Scientist

Saint Louis, MO · On-site

$60K - $80K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Trileaf is seeking a full-time Sr Project Scientist with 5 -15 years of experience conducting environmental and real estate due diligence (Phase I Environmental Site Assessments and Property ...

Washington University of St. Louis

$91K - $117K/yr

  • Medical

  • Retirement

  • PTO

Project Leadership, Grant Management, and Partner Coordination * Contributes substantively to the development and writing of grant proposals and renewals. Assists with IRB submissions, amendments ...

Brewer Science

Data Scientist

Rolla, MO · On-site

Brewer Science, Inc. is a major innovator of high-technology solutions for the semiconductor ... Responsibilities : • Work with diverse data from a wide range of projects across the business ...

Brewer Science Inc.

Research Scientist IV

Rolla, MO · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Brewer Science, Inc. is a major innovator of high-technology solutions for the semiconductor ... Take ownership of small development sub-projects as assigned. * May train new team members or ...

Brewer Science, Inc.

Research Scientist IV

Rolla, MO

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Brewer Science, Inc. is a major innovator of high-technology solutions for the semiconductor ... Take ownership of small development sub-projects as assigned. * May train new team members or ...

Eurofins Scientific

Associate Scientist II

Saint Charles, MO · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Supports mid-size laboratory research and development projects with minimal supervision ... Contributes to scientific community, and site research and development objectives * Adjusts work ...

Wood Plc

Environmental Scientist

Ballwin, MO

$72K - $95K/yr

Work will be performed to support and maintain project/client compliance with environmental ... Wood invites qualified applicants with a Bachelor of Science (BS) degree or higher in the field of ...

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All JobsProject Scientist JobsProject Scientist Jobs in Missouri

Project Scientist information

See Missouri salary details

$35.6K

$76.2K

$141.6K

How much do project scientist jobs pay per year?

As of Aug 15, 2026, the average yearly pay for project scientist in Missouri is $76,238.00, according to ZipRecruiter salary data. Most workers in this role earn between $50,700.00 and $95,700.00 per year, depending on experience, location, and employer.

What is a project scientist?

Project scientists are assigned research tasks on a project. You find project scientists in many different industries. As a project scientist, you may work to create new products in a specific industry to meet projected market demands, or you may research ways to improve an established product. For example, a project scientist in the textile industry may try to discover a soft yet durable fabric to be used in making clothing. To become a project scientist, you need at least a bachelor’s degree in the science field in which you wish to work and extensive research experience.

What is a project scientist?

A Project Scientist is a professional who manages and conducts scientific research within specific projects, often in academic, government, or industry settings. They are responsible for designing experiments, collecting and analyzing data, and ensuring that the scientific goals of the project are met. Project Scientists often collaborate with other researchers, supervise laboratory staff, and contribute to scientific publications or reports. Unlike principal investigators, they may not lead their own research groups but play a critical role in advancing project objectives.

What is the difference between Project Scientist vs Research Scientist?

AspectProject Scientist

Required CredentialsTypically requires a Ph.D. or equivalent in a relevant scientific field
Work EnvironmentWorks on specific projects, often within research institutions or industry labs
Employer & Industry UsageCommonly employed in government agencies, biotech, pharmaceuticals, and research organizations
Primary FocusConducts research, experiments, and data analysis to support project goals

Research Scientists and Project Scientists both hold advanced degrees and work in research settings. However, Research Scientists often focus on fundamental research and long-term scientific inquiry, while Project Scientists are more involved in applying research to specific projects with defined objectives. The roles overlap in credentials and work environment, but Project Scientists tend to work more closely with project management and deliverables.

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

To thrive as a Project Scientist, you need advanced scientific knowledge, research experience, and typically a master's or doctoral degree in a relevant field. Familiarity with data analysis software, laboratory instruments, and project management tools is common in this role. Strong problem-solving abilities, effective communication, and collaboration skills are crucial soft skills for success. These competencies enable Project Scientists to efficiently lead research initiatives, ensure data integrity, and achieve project goals within multidisciplinary teams.

What are the typical collaboration dynamics for a project scientist within a research team?

As a Project Scientist, you will frequently collaborate with principal investigators, research associates, technicians, and sometimes external partners to execute project goals. You are often responsible for coordinating experimental design, data analysis, and reporting findings, ensuring that all project milestones are met. Regular meetings, interdisciplinary teamwork, and clear communication are crucial to address challenges, share progress, and integrate diverse expertise within the group. This collaborative environment fosters learning and may open opportunities for leading sub-projects or mentoring junior staff.
More about Project Scientist jobs

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The most popular types of Project Scientist jobs in Missouri are:

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For Project Scientist jobs in Missouri, the most frequently searched job titles are:

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Project Scientist jobs near you
Infographic showing various Project Scientist job openings in Missouri as of August 2026, with employment types broken down into 90% Full Time, 6% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $76,238 per year, or $36.7 per hour.

Sr. Project Scientist

Trileaf Corporation

Saint Louis, MO • On-site

$60K - $80K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Job description

Company:

Trileaf Corporation is a nationwide environmental, architecture, and engineering consulting firm that assists clients with environmental due diligence, regulatory compliance, and engineering and architectural design. From its headquarters in St. Louis, MO, and multiple branch offices throughout the U.S., Trileaf serves the wireless communications, commercial real estate and financial industries.

Job Summary:

Trileaf is seeking a full-time Sr Project Scientist with 5 -15 years of experience conducting environmental and real estate due diligence (Phase I Environmental Site Assessments and Property Condition Assessments).

Essential Job Functions:

  • Phase I ESA and PCA responsibilities include conducting site visits of properties across the US, and completing Phase I ESA and PCA reports in accordance with the applicable ASTM standards and client-specific scopes of work
  • The successful candidate can expect to complete 4-6 reports (or similar) per month
  • Client facing duties such as accepting and vetting new project orders
  • Provide weekly updates and trackers to clients
  • QA/QC and delivery of reports to clients
  • Other duties as assigned

Basic Qualifications:

To be considered, the resume of the applicant must demonstrate the following qualifications/skills:

  • 5 -15 years experience with Phase I Environmental Site Assessments (Phase I ESA’s) consistent with ATSM E1527. HUD, Fannie, and Freddie experience a plus.
  • Property Condition Assessments (PCA’s) consistent with ASTM E2018. HUD, Fannie, and Freddie experience a plus.
  • Attention to detail
  • Valid drivers license
  • Ability and willingness to travel ~25% (travel not expected to exceed 2-3 days at a time)
  • Good computer skills

Education:

  • Bachelor’s degree in Biology, Environmental Science, Geology, Construction Management, Engineering, or similar

Benefits:

  • Health, Dental & Vision Insurance
  • 401k w/matching
  • Short-term disability, Long-term disability & Life Insurance – 100% Employer paid
  • 3 weeks of PTO per year
  • 8 paid holidays plus 1 floating holiday

The listed salary range for this position is an expected range. The actual offer will be at the company's sole discretion and determined by relevant business considerations, including the final candidate's qualifications, years of experience, skillset, geographic location, and current market data.

Trileaf Corporation is an Equal Opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetic disorder, disability, protected veteran status or any other characteristic protected by state, federal, or local law.

Trileaf logo

About Trileaf

Sourced by ZipRecruiter

Industry

Engineering professional services

Company size

51 - 200 Employees

Headquarters location

Saint Louis, MO, US

Year founded

1993

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