375 Senior Geotechnical Engineer jobs in O Fallon, IL

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Senior Full Stack Engineer

Outlier

O'Fallon, IL

$50/hr

2+ years of experience in backend engineering, AI automation, or complex systems integration
Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting)
Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases
Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors
This is a 1099 contract opportunity on the Outlier.ai platform
You must be authorized to work in your country of residence
If you are an international student, you may be able to sign up for Outlier if you are on a visa

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Nuclear Engineer

US Navy

Fairview Heights, IL 62208

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MQ-25 2nd Shift Manufacturing Engineer (Assembly and Installation)

Boeing

Mascoutah, IL 62258

~ 20 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
5+ years work-related experience with a Bachelors degree OR an equivalent combination of work-related experience and technical education.
This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.62 is required.
US based job, US Person required
Bachelor's Degree or Equivalent Required
This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship.
An interim and/or final U.S. Secret Clearance Post-Start is required.
Boeing is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.
Conflict of Interest: Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process.
Export Control Details: US based job, US Person required

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Nuclear Engineer

US Navy

Swansea, IL 62226

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Restorative Aide | CNA

Tutera Senior Living & Health Care

Belleville, IL 62220

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Critical Environment Lead Engineer

JLL

Saint Louis, MO 63103

~ 29 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Advanced knowledge of commercial or industrial building systems and critical infrastructure operations
Proven experience in operating, maintaining, troubleshooting, and repairing complex facility equipment
Strong leadership and team management capabilities for supervising engineering staff
Ability to work flexible hours and respond to emergency situations outside normal business hours
Excellent organizational skills with exceptional attention to detail
Strong problem-solving abilities to define issues, collect data, establish facts, and draw valid conclusions
Commitment to safety protocols and participation in required safety training programs

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RS Cabinet Finisher II

Gulfstream Aerospace Corporation

Saint Louis, MO 63129

$26.51-$30.93/hr

~ 29 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

High School Diploma or GED required
2 years experience in wood finishing
Basic knowledge of cabinet finishing processes and products
The ability to read, write, speak, and understand the English language
Able to climb ladders and stairs, work in small restricted areas, lift up to 40 pounds and work any shift
Must be computer literate
Gulfstream does not provide work visa sponsorship for this position, unless the applicant is a currently sponsored Gulfstream employee

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Senior Quality Assurance Specialist

Merck Group

Saint Louis, MO 63103

~ 29 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bachelor's Degree in Science (Chemistry, Pharmacy, etc.) or Engineering (Chemical, Process, etc.).
5+ years of quality experience in a biologic, GMP, or Active Pharmaceutical Ingredient manufacturing environment.

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Assembly Mechanic

Boeing

Mascoutah, IL 62258

$24/hr

~ 20 min OnsiteHealth InsuranceRetirement Benefit

Experience with aircraft structural parts fabrication, assembly processes and procedures
Experience with sheet metal assemblies, drilling, countersinking, riveting, and fastener installation
Experience in electrical assembly installation
Experience in assembly or mechanical work
Experience using hand tools and/or hand-held power tools
Limited (0-1 Hrs) Crawling, Lying Down (back, front, side), Forceful grasping,
Occasional (1-3 Hrs) Requires lifting, pushing, pulling, and supporting up to
35lbs, Bending at the waist, kneeling, crouching, squatting, reaching. The
Position may have frequent (3-6 hrs) exposure to Noise. Exposure to noise,
Hazardous chemicals, moving parts and occasional exposure to high/exposed
Places. Frequent lifting, pushing, pulling up to 35 lbs. Frequent standing,
Reaching, handling, and turning. Working on elevated and/or unequal surfaces.
This position requires eye, hearing and other personal protective equipment,
Frequent (up to 8 hours) of standing, occasional (1-3 Hrs) climbing,
Balancing, stooping, kneeling, crouching, squatting and working on ladders.
Use of personal protective equipment for face/eyes and ears may be required.
This position is expected to be 100% onsite. The selected candidate will be
Required to work onsite at one of the listed location option.
Conflict of Interest:
Successful candidates for this job must satisfy the Company's Conflict of Interest (COI) assessment process
Drug Free Workplace:
Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies .
Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense

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Quality Control Inspector

Sunnen Products Company

Saint Louis, MO 63143

~ 29 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Quality Control Inspector
Advanced shop mathematics required.
Equivalent to a formal apprenticeship.
3-5 years of experience in a similar inspection or machining role.
Regular standing, walking, climbing, stooping, crouching, pushing, pulling, reaching, grasping, and handling parts.
Light physical effort overall; may lift **25-50 lbs occasionally** and **over 50 lbs rarely**.
Strong close-vision ability for reading gauges, blueprints, and precision measuring instruments.
Personal computers and common software applications
Hand tools
Precision measuring instruments (e.g., micrometers, calipers, dial indicators)
We require a background and SSN check, drug test, and physical for pre-employment.

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