Mechanical Engineer Jobs in O'Fallon, IL (208)
Electromagnetic Effects Test, Design and Analysis Engineer
BOEING
Berkeley, MO
New
Health Insurance
$97.8k - $132.3k / year
Lead T7-A Systems Integration Engineer
BOEING
Berkeley, MO
New
Health Insurance
$119.9k - $162.2k / year
F-15 Platform Structures Architect
BOEING
Berkeley, MO
New
Health Insurance
$136.9k - $185.2k / year
Mid-Level Mechanical Systems Design & Analysis Engineer
BOEING
Berkeley, MO
New
Part-Time
Health Insurance
Flexible Schedule
$95.2k - $128.8k / year
Design and Analysis Engineer (Electronic Sys Design & Analy)
BOEING
Berkeley, MO
New
Health Insurance
$79.9k - $108.1k / year
Lead Structural Design Engineer
BOEING
Berkeley, MO
New
Health Insurance
$113.1k / year
‌
T-7A Service Life Leader
Boeing
BERKELEY, MO
New
Health Insurance
$130.1k - $176k / year
‌
Manufacturing Engineer
Innova
Mascoutah, Illinois
New
Hourly
Dental Insurance
Vision Insurance
$75 - $80 / hour
‌
Manufacturing Engineer (Entry-Level or Associate)
Boeing
Berkeley, MO
Entry-Level
Health Insurance
$63.8k - $86.3k / year
‌
Equipment & Tool Designer (Asset Design)
Boeing
Berkeley, MO
Health Insurance
$75.7k - $102.4k / year
‌
PRINCIPAL PROJECT ENGINEER
Collabera
St. Louis, MO
New
‌
Regional Engineering Business Development Manager
Kimmel & Associates
St. Louis, MO
‌
Maintenance Technician III
FedEx
Sauget, IL
New
Part-Time
Hourly
Diversity Leader
$1,000 sign-on bonus
Dental Insurance
Vision Insurance
Flexible Schedule
Education
$37.49 / hour
‌
CNC Manufacturing Engineer
Diedre Moire
St Louis, MO
‌
Sales Engineer
GPAC
St. Louis, MO
New
$200k / year
‌
Mission Critical Project Engineer
Jobot
St. Louis, MO
New
401(k)
PTO
Dental Insurance
Vision Insurance
$90k - $145k / year
‌
Mechanical Design Engineer (December 2025- New Graduate)
IMEG Corp
St Louis, MO
New
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
‌
Mechanical Engineer II
ServiceSource
St Louis, MO
New
Dental Insurance
Vision Insurance
‌
Mechanical Engineering Department Leader (Hiring Immediately)
CLAYCO
St Louis, MO
New
401(k)
PTO
Dental Insurance
Vision Insurance
‌
Senior Plumbing Engineer (Hiring Immediately)
CLAYCO
St Louis, MO
New
401(k)
PTO
Dental Insurance
Vision Insurance
‌
Geotechnical Engineer (EL)
Shannon & Wilson
St Louis, MO
New
Dental Insurance
Vision Insurance
‌
Electrical Project Engineer
IMEG Corp
St Louis, MO
New
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
‌
Civil Engineer
ServiceSource
St Louis, MO
New
Dental Insurance
Vision Insurance
‌
Electrical Engineer
ServiceSource
St Louis, MO
Dental Insurance
Vision Insurance
‌
Stamping Engineer
Austin Allen Company
St Louis, MO
New
Entry-Level
$95k / year
‌
Sr. Project Manager - Water
American Water
Belleville, IL
‌
Senior Mechanical Design Engineer
Curtiss-Wright
🌎 Remote
Remote
401(k)
Flexible Schedule
‌
Mechanical Design Engineer
Mechanical Dynamics and Analytics
St Louis, MO
New
‌
Mechanical Engineering Co-Op
Bernhard
St Louis, MO
New
‌
Senior Engineer Project Manager - Mission Critical Facilities
Jobot
St Louis, MO
401(k)
PTO
Dental Insurance
Vision Insurance
$130k - $180k / year
‌
Avionics Engineer
West Star Aviation
East Alton, IL
401(k)
Dental Insurance
‌
Mechanical Design Engineer
Selectek
🌎 Remote
New
Remote
$90k / year
‌
Mechanical Design Engineer
Curtiss-Wright
🌎 Remote
Remote
401(k)
Flexible Schedule
Job Description
Working as a Mechanical Engineer in O'Fallon, IL
There are 208 Mechanical Engineer opportunities available in O'Fallon, IL all with unique requirements.
A mechanical engineer is responsible for the design of machinery. Their job duties include analyzing existing products and making suggestions on how to improve them, optimizing an organization's production facilities, and even designing new machines or products. A mechanical engineer may be required to collaborate with scientists, designers, production specialists, and other engineers to develop a solution that best fits a company's needs.
Mechanical Engineer jobs near O'Fallon, IL
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