Sr. Technical Support Engineer Jobs in O Fallon

Sr. Validation Engineer

OQSIE

St Louis, MO

+30 days ago Applied Saved

Senior Data Engineer

GE Aerospace

Saint Louis, MO

+30 days ago Applied Saved

Senior Software Engineer - Integration/Middleware

Reyes Holdings

Rosemont, IL

+30 days ago Applied Saved

Senior Mechanical Engineer

Clayco

St. Louis, MO

8 days ago Applied Saved

Senior Software Engineer - Java/Spring/Hibernate

Enterprise Holdings

St. Louis, MO

+30 days ago Applied Saved

Senior Transportation Leader

AECOM

Saint Louis, MO

20 days ago Applied Saved

Sr Director, Supply Chain Software Engineering

US Foods

Rosemont, IL

+30 days ago Applied Saved

Operations Technology Consultant-Specialist Senior

Deloitte

St. Louis, MO

+30 days ago Applied Saved

Mechanical Engineer - Mission Critical

Clayco

St. Louis, MO

8 days ago Applied Saved

Forward Deployed Engineer - Palantir

Deloitte

St. Louis, MO

+30 days ago Applied Saved

Sr Program Specialist - Global Engineering Projects

Honeywell

Rosemont, IL

+30 days ago Applied Saved

Senior Developer (IBM Sterling B2B Integrator) (REMOTE)

WESCO

Glenview, IL

7 days ago Applied Saved

Senior Geospatial Analyst

NV5

Saint Louis, MO

9 days ago Applied Saved

IT Senior Manager - Workforce Technology Security Engineering

Enterprise Holdings

St. Louis, MO

30 days ago Applied Saved

Electrical Engineer

Clayco

St. Louis, MO

8 days ago Applied Saved

Sediment Remediation Engineer 5

CDM Smith

Saint Louis, MO

+30 days ago Applied Saved

Sediment Remediation Specialist (Engineer, Scientist or Geologist)

CDM Smith

Saint Louis, MO

+30 days ago Applied Saved

Senior Sales Representative-Sensing Solutions

Honeywell

St. Louis, MO

+30 days ago Applied Saved

DevOps Engineer

TechDigital

St. Louis, MO

+30 days ago Applied Saved

2026 University Intern - Wood River Refining Engineer

Phillips 66

Roxana, IL

+30 days ago Applied Saved