Investigator Jobs in Wisconsin
Investigator jobs in Wisconsin are open across Madison, Menomonee Falls, and Milwaukee and other Wisconsin metros, with employers like Frasco, Kohl's, and Westwood Professional Services hiring at every experience level. Find a role that fits below and apply directly.
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LOCATION: Cudahy, Wisconsin
Job ID: 1158
General Responsibilities:
Conduct environmental site investigations, assessments and surveys to sample, measure and analyze air, water, material, and soil. Identify, evaluate and recommend risk and remediation strategies/designs to ensure compliance with federal, state and local regulations. Prepare applicable permit applications, risk assessments and technical documents including proposals, reports and regulatory agency correspondence. Design systems and environmental protection plans. Projects may include Phase I/II environmental site assessments, ecological and natural resource field surveys, tank closure assessments, asbestos abatement, storm water management, and site planning and permitting.
Essential Roles and Responsibilities:
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Follow safety rules, guidelines and standards for all projects. Participate in pre-task planning. Report any safety issues or concerns to management.
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Provide and lead continuous quality monitoring and improvement on projects. Monitor and promote quality standards and practices.
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Provide consistent quality standards on project and proposal delivery.
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Career level, fully competent scientific professional responsible for planning, scheduling, conducting or coordinating detailed phases of work for part of a major project or total of a project of moderate scope and complexity.
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May devise new approaches to problems encountered.
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May serve as a team leader in medium projects and mentor junior level scientists/engineers.
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Performs scientific analyses on projects of own discipline.
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May attend on and off-site client meetings.
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Implements technical requirements to complete client projects by directing and supervising field staff to sample, test and collect data and/or document site activities.
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Responsible for developing written proposals to clients for both small and large projects including quality control review of proposals written by others.
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Evaluates complex laboratory and field data and assembles in written reports.
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Works under the supervision of a Terracon Authorized Project Reviewer.
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Begin documented mentoring and application process for Terracon Authorized Project Reviewer certification.
Requirements
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Bachelor’s degree in Environmental Science or related science field and a minimum of 7 years’ related experience. Or, in lieu of a degree, a minimum of 11 years’ related experience.
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Master’s degree or PhD preferred.
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A valid driver’s license with acceptable violation history may be required.
Required Qualifications:
- Certification in field of expertise preferred.
About us
Terracon is a 100 percent employee-owned multidiscipline consulting firm comprised of more than 8,000 curious minds focused on solving engineering and technical challenges from more than 200 locations nationwide. Since 1965, Terracon has evolved into a successful multi-discipline firm specializing in environmental, facilities, geotechnical, and materials services. Terracon’s growth is due to our talented employee-owners exceeding expectations in client service and growing their careers with new and exciting opportunities in the marketplace. Terracon was recognized as the #1 firm in Asbestos and Lead Abatement.
Terracon’s vision of “Together, we are best at people” is demonstrated through our excellent compensation and benefits package. Based on eligibility, role and job status, we offer many programs including medical, dental, vision, life insurance, 401(k) plan, paid time off and holidays, education reimbursement, and various bonus programs.
About the Team
Our national environmental team helps our clients do the right thing for their projects, and for our planet. Our professionals include environmental architects, archaeologists, biologists, engineers, geologists, historians, industrial hygienists, planners, and scientists. Working together in the field, office, or lab, we help guide clients through the steps and processes to address environmental challenges and move their projects forward as quickly, safely, and sustainably as possible. With services including site assessment, planning and permitting including cultural and natural resources, sustainability and resiliency, regulatory compliance, and industrial hygiene and safety, we’re at the forefront of helping clients succeed and communities thrive.
EEO Statement Terracon is an EEO employer. We encourage qualified minority, female, veteran and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment, or any employee because of race, color, religion, national origin, age, sex, sexual orientation, gender identity, gender, disability, age, or military status.
See All 9 Investigator Jobs in Wisconsin
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Find Investigator JobsInvestigator Jobs by City in Wisconsin
Where Wisconsin roles are concentrated, by current openings.
Investigator Job Market in Wisconsin
A snapshot from current Wisconsin openings, updated as new roles post.
Who's Hiring
- Frasco2

- Kohl's2

- Westwood Professional Services2

- Arrowhead Pharmaceuticals1

- CVS Health1

Top Industries Hiring
- Consulting & Professional Services3
- Retail2
- Biotechnology & Pharmaceuticals1
- Healthcare & Medical Services1
What Wisconsin Employers Look For
The qualifications that appear most often in investigator jobs across Wisconsin.
- Prior law enforcement, military, or insurance claims experience of two or more years
- Proficiency in conducting surveillance and documenting findings with photo or video evidence
- Strong written communication skills for producing clear, legally defensible investigation reports
- Valid driver's license with a clean driving record for field-based assignments
- State private investigator license or eligibility to obtain one within a defined period
- Familiarity with OSINT tools, database research platforms, and case management software
Investigator Jobs in Wisconsin: Frequently Asked Questions
How many investigator jobs are there in Wisconsin?
There are 9+ investigator openings in Wisconsin on Migrate Mate as of June 2026, with the most roles in Madison, Menomonee Falls, and Milwaukee. New positions post regularly as employers across Wisconsin hire.
Which Wisconsin cities have the most investigator jobs?
Madison, Menomonee Falls, and Milwaukee have the most investigator openings in Wisconsin right now, with additional roles spread across smaller metros statewide.
Which companies hire investigators in Wisconsin?
Employers hiring investigators in Wisconsin include Frasco, Kohl's, and Westwood Professional Services, based on current listings on Migrate Mate as of June 2026.
Are there remote investigator jobs in Wisconsin?
Yes. About 0% of investigator openings tied to Wisconsin are remote or hybrid as of June 2026. The rest are on-site roles based in Wisconsin metros.
How do I apply for investigator jobs in Wisconsin?
You can apply to investigator jobs in Wisconsin directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Wisconsin location, then apply to each one that fits.
See All 9 Investigator Jobs in Wisconsin
Find roles in Wisconsin that match your experience and apply in just a few clicks.
Find Investigator Jobs