Geotechnical Design Engineer/Construction Inspector

Jacobs; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Stock purchase program

PPTO (paid time off)

Job summary

Jacobs in St. Louis, MO seeks a Geotechnical Design Engineer/Construction Inspector to oversee on-site operations, ensuring safety, schedule, and quality. Lead crews, coordinate testing, and apply geotechnical principles to soil, foundation, and earthwork integrity.

You will monitor soil conditions, oversee excavation safety, and coordinate QA testing while maintaining clear communication with project management. PE in Missouri preferred, with strong documentation and safety emphasis.

Qualifications

• Bachelor's degree in Geotechnical Engineering or related field is required.
• Experience in construction quality control with geotechnical focus is preferred.
• Familiarity with soil mechanics, foundation design, and geotechnical testing procedures.

Responsibilities

• Monitor soil conditions, compaction, and grading per project specs.
• Oversee foundation prep, earthwork, and excavation safety.
• Coordinate geotechnical testing and review lab results.
• Ensure compliance with geotechnical design parameters and risk review.
• Lead on-site safety and quality control inspections.
• Prepare final records and project documentation.

Skills

Geotechnical Eng

Civil Eng

Construction Mgmt

Inspection processes

Safety standards

Microsoft OneNote

Communication

Organization

Education

Bachelor's in Geotechnical Engineering

PE license (Missouri)

Tools

Microsoft OneNote

Job description

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

At Jacobs, we're not just building structures- we're helping our clients innovate and grow by designing, engineering, and executing the construction of state-of-the-art facilities that are changing our world.

Geotechnical Design Engineer/Construction Inspector

With a strong geotechnical engineering background to join our team in St. Louis, MO. In this key position, you will oversee all on-site operations, ensuring projects are executed safely, on schedule, and to the highest quality standards. This role requires leadership to coordinate crews and subcontractors, enforce safety compliance, manage resources, and maintain seamless communication between field teams and project management. You'll drive productivity, resolve challenges proactively, and serve as the primary on-site authority for delivering exceptional results-while applying geotechnical principles to ensure soil, foundation, and earthwork integrity.

Geotechnical Oversight

• Monitor and verify soil conditions, compaction, and grading per project specifications.
• Oversee foundation preparation, earthwork operations, and excavation safety.
• Coordinate geotechnical testing (e.g., soil density, moisture content, bearing capacity) and review lab results.
• Ensure compliance with geotechnical design parameters and identify potential subsurface risks.

Construction Inspection

• Perform on-site QA material testing (concrete field/strength and soils) per MoDOT Technician Certification Program and ITP requirements.
• Ensure compliance with MoDOT Engineering Policy Guide, Standard Specifications, MUTCD, and all relevant contract documents.
• Conduct pre-construction existing-conditions surveys (photos/video).
• Coordinate preconstruction and ongoing project meetings with contractors and MoDOT.
• Prepare and maintain order records, pay estimates, daily reports, material documentation, and general project correspondence.
• Generate and process change orders and manage construction records using AASHTOWare Projects.
• Maintain communication with contractors and MoDOT; enforce contract requirements and address specification conflicts promptly.
• Manage customer call reports, including timely response, follow-up, documentation, and closure in MoDOT's system.
• Produce final record drawings in Bluebeam
• Conduct wage-rate interviews, CUF reviews, bulletin-board checks, traffic control inspections, and payroll verification per EPG requirements.
• Complete MoDOT Land Disturbance training, perform erosion-control inspections, and enter reports into MoDOT's stormwater database.
• Document contractor progress, weather delays, and provide performance updates as requested.
• Schedule/cancel work-zone law enforcement and track enforcement hours.
• Manage lane closure notifications and entries in MoDOT's Traffic Management System (TMS).
• Evaluate and administer Value Engineering Change Proposals per MoDOT guidelines.
• Oversee punch-list completion and lead final project inspection.

Site Management & Safety

• Supervise all on-site activities to ensure work is completed safely within compliance of OSHA and company safety standards, on time, and within budget; conduct daily safety briefings

Quality Assurance

• Inspect work for adherence to plans, specifications, and geotechnical standards.
• Coordinate with Quality Control teams for testing and inspections.

Here's what you'll need

• Bachelor's degree in Geotechnical Engineering, Civil Engineering, Construction Management, or related field.
• Previous experience in construction quality control with emphasis on geotechnical aspects (earthwork, foundations, soil testing).
• Strong knowledge of soil mechanics, foundation design, and geotechnical testing procedures.
• Familiarity with building codes, inspection processes, and safety standards.
• Proficient in Microsoft OneNote and other project documentation tools.
• Excellent communication and organizational skills.

Ideally, you'll also have

• Professional Engineer (PE) license in Missouri.
• Experience with ASTM, MoDOT and AASHTO geotechnical testing standards.
• Knowledge of subsurface investigation techniques and risk mitigation strategies.

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $90,000.00 to $13,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

Job posted on October 05, 2026. This position will be open for at least 3 days.

Onsite employees are expected to attend a Jacobs Workplace on a full-time basis, as required by the nature of their role.

Your application experience is important to us, and we're keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.