Senior Engineer Jobs in O Fallon, IL
LO Signature Assurance and Verification Lead Engineer
- Boeing
- Saint Louis, MO (15 miles from O Fallon, IL)
- 30+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 30+ days ago
Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive,...
In PersonUpper School Theatre Technical Director
- Mary Institute and St Louis Country Day School - MICDS
- Saint Louis, MO (15 miles from O Fallon, IL)
- 19 hours ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 19 hours ago
Position Start Date: 7/1/2026 About MICDS MICDS has a rich and distinctive history spanning more than 150 years. A leader in independent education, MICDS is a college-prep, coeducational school...
In Person- Peabody Energy
- Saint Louis, MO (15 miles from O Fallon, IL)
- 1 day ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 1 day ago
About the role: We are currently seeking a Senior Operations Technology Engineer. The Sr OT Engineer will assume responsibilities for development, configuration, systems administration and support...
In PersonCritical Environment Lead Engineer
- Jones Lang LaSalle
- Saint Louis, MO (15 miles from O Fallon, IL)
- 7 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 7 days ago
JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We...
In PersonGas Turbine Senior Mechanical Engineer (7FA)
- Mechanical Dynamics & Analysis LLC
- Saint Louis, MO (15 miles from O Fallon, IL)
- 14 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 14 days ago
Requirements Bachelor's degree in Mechanical Engineering required; advanced degree preferred....
In Person- Marriott International
- Saint Louis, MO (15 miles from O Fallon, IL)
- 17 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 17 days ago
Property Description Join the dynamic team at The Westin St. Louis, located in the heart of downtown, where luxury meets unbeatable convenience! We are looking for passionate, high-energy...
In PersonPrincipal Engineer, Agentic Engineering
- Agile Resources
- Saint Louis, MO (15 miles from O Fallon, IL)
- 19 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 19 days ago
Principal Engineer, Agentic Engineering St. Louis, MO 63146 Posted: 03/09/2026 Employment Type: Direct Hire Job Category: Engineering Job Number: 25556 Job Description Principal Engineer (Agentic...
HybridSenior Mechanical Engineer - Power (Multiple Locations)
- Burns & McDonnell
- Saint Louis, MO (15 miles from O Fallon, IL)
- 27 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 27 days ago
Quality review of mechanical engineering design completed by co-workers....
In Person Full Time- BR+A Consulting Engineers
- Saint Louis, MO (15 miles from O Fallon, IL)
- 30+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 30+ days ago
Founded in 1975, BR+A Consulting Engineers maintains a total staff of over 500 employees located at our main office in Boston and branch offices in New York, NY; Philadelphia, PA; Vienna, VA...
In Person- Fiserv Solutions LLC
- Columbia, IL (20 miles from O Fallon, IL)
- 30+ days ago
- Columbia, IL (20 miles from O Fallon, IL)
- 30+ days ago
Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial...
In Person- Permobil
- Belleville, IL (10 miles from O Fallon, IL)
- 30+ days ago
- Belleville, IL (10 miles from O Fallon, IL)
- 30+ days ago
Ability to work effectively in cross-functional, collaborative teams Proficiency with engineering tools, data analysis, or automation technologies relevant to the role 5+ years of experience using Solidworks...
In PersonArtificial Intelligence Lead (Engineer)
- Cushman \u0026 Wakefield
- Saint Louis, MO (15 miles from O Fallon, IL)
- 45+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 45+ days ago
Artificial Intelligence Lead (Engineer) Job Description Summary The AI Strategic Engineering Specialist is a visionary technologist responsible for architecting, engineering, and operationalizing...
In Person- Enterprise
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
Overview The St. Louis Support Services Division for Enterprise Mobility currently has an exciting opportunity for a CX Technology Engineer Senior! ABOUT THE ROLE The Senior CX Technology Engineer...
HybridCritical Utilities Lead Engineer
- CLAYCO
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design....
In Person- CLAYCO
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 60+ days ago
About LJC LJC Design & Engineering is a full-service architecture, engineering, and design firm committed to enhancing the quality of the human experience through integrated design....
In PersonDemographic Data for O Fallon, IL
Moving to O Fallon, IL? Find some basic demographic data about O Fallon, IL below.
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Salary for Senior Engineer Jobs in O Fallon, IL
Required or preferred licenses and certifications for Senior Engineer positions.
Highest Education Level
Senior Engineers in O Fallon, IL offer the following education backgroundQualifications / Skill Sets
The following top skills are often required or desired to land a Senior Engineer position
- Bachelor of Science in Mechanical Engineering
- Aerospace Engineering
- Stress Analysis
- Equipment Sizing
- American Society of Mechanical Engineers
- Heat Transfer
- Fluid Dynamics
- Failure Mode Effects Analysis
- ANSYS
- Finite Element Analysis
- Electrical Engineering
- Computer-Aided Design
- Engineering Design
- Design Engineering
- Semiconductor
- Prototype Development
- System Design
- Manufacturing Engineering
- Process Engineering
- Design for Manufacturability
- PTC Creo
- Mechanical Design
- Simulation
- Validation
- Design Development
- Mechanical Engineering
- Process Controls
- Architectural Design
- Aerospace
- Designing
- Optimization
- Modeling
- SolidWorks
- Reliability
- AutoCAD
- Product Development
- Root Cause Analysis
- Specifications
- Estimating
- Continuous Improvement
- Electrical
- Artificial Intelligence
- Strategy Development
- Python
- Engineering
- Military Background
- Implementation
- Mentoring
- Investigation
- Documentation
- Troubleshooting
- Collaboration
- Budgets
- Bachelor's Degree
- Regulations
- Research Skills
- Project Management
- Problem Solving
- Microsoft Office
- Staff Supervision
- Scheduling
- Leadership
- Communication Skills
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