Assistant Engineer Jobs in O'Fallon, IL (2,087)
Preconstruction Engineer
Jobot
Saint Louis, MO
$80k - $100k / year
Director of Technical Accounts
Jobot
Saint Louis, MO
Dental Insurance
Vision Insurance
$145k - $175k / year
Sr. Mechanical Engineer P.E.
Jobot
Saint Louis, MO
Hospitality
$125k - $155k / year
Electronic System Design and Analysis Engineer (Experienced or Senior)
Boeing
Berkeley, MO
New
Health Insurance
$112.2k - $151.8k / year
Mechanical Design & Analysis Engineer (Associate, Mid-Level)
Boeing
Berkeley, MO
New
Health Insurance
$85k - $115k / year
Senior Guidance Navigation and Control (GNC) Engineer
Boeing
Berkeley, MO
New
Health Insurance
$170.9k - $231.2k / year
‌
Project Engineer - St. Louis, MO
Jobot
Saint Louis, MO
$72k - $80k / year
‌
Test and Inspection Embedded Software Engineer (Experienced or Senior)
Boeing
Berkeley, MO
New
Health Insurance
$126.7k - $171.4k / year
‌
Assistant Project Manager
Jobot
Saint Louis, MO
401(k)
PTO
$80k - $95k / year
‌
Senior Electrophysics Engr/Scien (Comm & Sensor Systems)
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Parental Leave
$118.2k - $159.9k / year
‌
Senior Accountant
Jobot
Maplewood, MO
401(k)
PTO
$85k - $105k / year
‌
Lead Electrical Design and Analysis Engineer (Level 5)***Signing Bonus Potential***
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Education
Parental Leave
$164.9k - $223.1k / year
‌
Associate Software Simulation Engineer
Boeing
Berkeley, MO
New
Health Insurance
$99.5k - $134.6k / year
‌
Lead Design and Analysis Engineer (Electronic Sys Design & Analy)***Signing Bonus Potential***
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Parental Leave
$164.9k - $223.1k / year
‌
Senior Design and Analysis Engineer (Electronic Sys Design & Analy)***Signing Bonus Potential***
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Parental Leave
$136.9k - $185.2k / year
‌
Superintendent (Traveling)
Jobot
Saint Louis, MO
$123k - $147k / year
‌
Lead Design and Analysis Engineer (Electrical Systems Design)
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Parental Leave
$164.9k - $223.1k / year
‌
Pre Construction Manager
Jobot
Affton, MO
Health Insurance
$130k - $160k / year
‌
Experienced Mechanical Systems Design & Analysis Engineer
Boeing
Berkeley, MO
New
Health Insurance
$103.7k - $140.3k / year
‌
Structural Design Engineer - Experienced/Senior
Boeing
Berkeley, MO
New
Health Insurance
$103.7k - $140.3k / year
‌
Senior Estimator - Federal Projects (Fully Remote)
Jobot
🌎 Remote
Remote
Health Insurance
$95k - $155k / year
‌
F-15 Program Senior Radar Engineer
Boeing
Berkeley, MO
New
Health Insurance
$136.9k - $185.2k / year
‌
LO Signature Assurance and Verification Lead Engineer
Boeing
Berkeley, MO
New
Health Insurance
$136.9k - $185.2k / year
‌
Experienced Design and Analysis Engineer ***Signing Bonus Potential*** (Electronic Sys Design & Analy)
Boeing
Berkeley, MO
New
401(k)
PTO
Health Insurance
Education
Parental Leave
$112.2k - $151.8k / year
‌
Platform Engineer
Kforce
Saint Louis, MO
New
Hourly
Health Insurance
Dental Insurance
Vision Insurance
$55 - $65 / hour
‌
Traveling Assistant Engineer - New College Grad 2026 (Advanced Technology Group)
Turner Construction
St Louis, MO
New
Part-Time
Eco-Friendly
‌
[REMOTE] Principal Platform Software Engineer- Oracle Clinical Digital Assistant
Oracle
🌎 Remote
Part-Time
Remote
Dental Insurance
Vision Insurance
Parental Leave
$104.5k - $234.6k / year
‌
[Remote] Senior FullStack Platform Software Engineer- Clinical Digital Assistant
Oracle
🌎 Remote
Part-Time
Remote
Dental Insurance
Vision Insurance
Parental Leave
$92.5k - $209.5k / year
‌
Assistant Chief Engineer
IHG Hotels & Resorts
St Louis, MO
New
Dental Insurance
Vision Insurance
$55k / year
‌
IAM IGA Data Engineer, Assistant Vice President
State Street
🌎 Remote
Remote
401(k)
Dental Insurance
Vision Insurance
$100k - $167.5k / year
‌
Assistant Structural Engineer - Water Infrastructure
Burns & McDonnell
St Louis, MO
$70k - $115k / year
‌
Facilities Engineer Assistant: Hands-On Maintenance
Kroger Family of Companies
St Louis, MO
New
Part-Time
Retail
Flexible Schedule
‌
Assistant Structural Engineer Water Infrastructure Design
Burns & McDonnell
St Louis, MO
Job Description
Working as an Assistant Engineer in O'Fallon, IL
There are 2,087 Assistant Engineer opportunities available in O'Fallon, IL all with unique requirements.
Assistant Engineer jobs near O'Fallon, IL
Daily Jobs in Your Email
By creating a job alert, you agree to the Joblist Terms of Use and Privacy Policy and to receiving marketing emails.
Need Extra Help?
Answer a few short questions and we'll create a personalized set of job matches.
Joblist uses cookies as well as our third-party affiliates. When you use our website, you understand that we collect personal data to improve your experience.