Career Opportunities


Our teams of professionals represent technical and management leadership in their fields of expertise. Our people operate with a sense of urgency and commitment to our endeavors, along with a passion for what we do!

TTL Associates, Inc. is a leading environmental, testing and geotechnical firm with offices in Toledo and Cleveland, OH; Detroit and Plymouth, MI, and Chicago, IL. Additionally, TTL Associates, Inc. has two project offices in Dover, DE and Fort Dix, NJ. With over 80 years of tradition, TTL provides environmental, geotechnical engineering and quality control testing services. TTL is also a provider of federal construction management services.

TTL Associates, Inc. offers a challenging and rewarding work environment. TTL Associates, Inc. also offers a comprehensive benefits package, including 401(k), health, dental, vision, life, as well as many additional benefit programs.

TTL Associates, Inc. is a Service Disabled Veteran Owned Business.

If you are interested in joining our team, please see the job openings posted below.

Senior Geotechnical Engineer/Department Manager

Our Toledo office is seeking a full-time Senior Geotechnical Engineer and Department Manager. This engineer will serve as project manager and technical manager for all aspects of geotechnical investigation, consulting, analysis, and design on projects with fees ranging from $2,500 to $500,000. Department managers are responsible for leading the group to overall technical and financial [...]

Geotechnical Project Engineer/Project Manager

Our Toledo office is seeking a full-time Geotechnical Project Engineer and Project Manager. This engineer will serve as project manager for all aspects of geotechnical investigation, consulting, analysis, and design on projects with fees ranging from $2,500 to $250,000. Qualified Candidates should have: BSCE,  MSCE preferred Ohio PE or the ability to obtain in 6 [...]

Construction Materials Testing Technician

Location: Plymouth, MI                                                                         Job Type:  Construction Material Employee Type: Full-Time                                                                                      Testing Industry:  Construction Materials Testing.                                              Req’d Education: High School Diploma                 Geotechnical and Environmental                                             Req’d Experience:  At least 1 year Manages Others:  No                                                                                Required Travel:  Not Specified Relocation Covered:  No     Description  TTL Associates Inc., a geotechnical engineering, construction materials testing and environmental services firm has an opening for [...]

Environmental Scientist

We are looking for immediate full-time and part-time Environmental Scientists in Toledo, OH. Job Responsibilities • Conduct Phase I Environmental Site Assessments in accordance with ASTM standards, AAI and client specific requirements.  This includes: • Site reconnaissance activities • Historical research • Aerial photography interpretation • Interviews • Report preparation  • Attend designated meetings and [...]

Driller’s Helper

We are seeking Driller’s Helpers for immediately available, full-time positions in Toledo, OH. Job Responsibilities • Provide semi-skills labor intensive assistance for Drilling Crews to include: • Assist Drillers with soil borings, well installation, soil sampling, rock coring, and visual soil classification. • Hauling supplies to and from the drill site • Manual material handling [...]

Industrial Hygienist/Environmental

We are looking for immediate full-time, part-time Industrial Hygienists in Detroit and Plymouth, MI and Toledo, OH. Job Responsibilities • Oversee complex asbestos, lead-based paint, and hazardous materials surveys and air monitoring services for various clients located in the Midwest region, throughout the country, and around the world. • Perform industrial hygiene project management services [...]