Principal Software Engineer Jobs in O'Fallon, IL (89)
Hospice LPN
Residential Home Health and Hospice
Glen Carbon, IL
Investment Real Estate – Acquisition Agent (Licensed)
New Western
St. Louis, MO
$66.7k / year
Licensed Acquisition Agent - Investment Real Estate
New Western
St. Louis, MO
$66.7k / year
Hospice Weekends LPN
Residential Home Health and Hospice
Glen Carbon, IL
Part-Time
Military Intelligence Officer
U.S. Navy
East Saint Louis, Illinois
New
Part-Time
Health Insurance
Senior Electrical Engineer
Mohr Talent
Troy, IL
Experienced eCommerce Buyer - $75-99K annually + bonus eligible!
Rural King Supply
O Fallon, IL
$75 - $99 / hour
Medical Assistant
ChenMed
St. Louis, MO
Hospitality
Physician / Emergency Medicine / Missouri / Permanent / Wound Care Physician - St. Louis, MO Job
Skilled Wound Care
St. Louis, MO
New
$250k / year
F-15 Mission Systems Integration Architect
BOEING
berkeley, MO
Health Insurance
$119.9k - $162.2k / year
EA-18G Mission Systems Avionics Manager
BOEING
berkeley, MO
Health Insurance
$129.2k / year
Lead Hardware Systems Engineer – Fighters Mission Systems
BOEING
berkeley, MO
Health Insurance
$143.7k - $194.4k / year
Senior Workday Integration Developer
BOEING
berkeley, MO
Health Insurance
$121.6k - $164.5k / year
T-7A Service Life Leader
BOEING
berkeley, MO
Health Insurance
$130.1k - $176k / year
Lead Structural Design Engineer
BOEING
berkeley, MO
Health Insurance
$113.1k / year
Equipment & Tool Designer (Asset Design)
BOEING
berkeley, MO
Health Insurance
$75.7k - $102.4k / year
Senior Core Mission Systems Engineer (Level 4 or 5)
Boeing
Berkeley, MO
Health Insurance
$119.9k - $162.2k / year
Senior Client Solutions Engineer
AHEAD USA
St Louis, MO
Dental Insurance
Vision Insurance
Electrical Engineering Graduate (May 2025 - New Graduate)
IMEG Corp
St Louis, MO
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
Mechanical Design Engineer (December 2025- New Graduate)
IMEG Corp
St Louis, MO
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
Structural Project Engineer 1
IMEG Corp
St Louis, MO
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
Senior Engineer- New Product Development
Watlow
St Louis, MO
New
Vision Insurance
Education
Parental Leave
Electrical Project Engineer
IMEG Corp
St Louis, MO
Part-Time
PTO
Dental Insurance
Vision Insurance
Flexible Schedule
Education
Senior Mechanical Engineer - Multiple Sectors
Henderson Engineers
St Louis, MO
New
401(k)
Health Insurance
Flexible Schedule
Parental Leave
$112.3k - $194.6k / year
Solutions Architect, AGS US Auto-MFG Commercial Sales - Solutions Architecture
Amazon
Edwardsville, IL
Eco-Friendly
Senior Software Developer (Scrum Master)
D&G Support Services
Scott Air Force Base, IL
Part-Time
PTO
Flexible Schedule
Sr. Systems Engineer (ETL-Informatica)
D&G Support Services
Scott Air Force Base, IL
Part-Time
PTO
Flexible Schedule
SAP CPQ Senior Consultant
Deloitte
O Fallon, IL
Diversity Leader
$131.2k - $218.6k / year
Senior Principal Software Engineer
BAE Systems
🌎 Remote
Remote
Diversity Leader
Dental Insurance
Vision Insurance
$126.6k - $215.3k / year
Principal Engineer - EDA Verification Software Products
Siemens AG
🌎 Remote
New
Remote
Eco-Friendly
PTO
Parental Leave
$151.3k - $272.4k / year
Production Engineer
Messer
Hartford, IL
New
Systems Engineering, Associate- St. Louis, MO
Peraton
St Louis, MO
New
$51k - $82k / year
Principal Engineer EDA Verification Software Products
Siemens AG
🌎 Remote
Remote
Eco-Friendly
PTO
Parental Leave
$151.3k - $272.4k / year
Job Description
Working as a Principal Software Engineer in O'Fallon, IL
There are 89 Principal Software Engineer opportunities available in O'Fallon, IL all with unique requirements.
The Principal Software Engineer automates the software build and delivery process, increases the engineering team's efficiency, and improves overall quality by defining the technical standards for our development and deployment tools. He/She examines existing technologies at an organization to determine which ones can benefit our products and solutions, evaluates emerging technologies aimed at simplifying software engineering tasks (e.g. code generation, refactoring), and then works with those efforts to make best use of them in Microsoft's internal development efforts.
Principal Software Engineer jobs near O'Fallon, IL
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