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Senior Principal Software Engineer & Deputy Program Lead

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Epsilon Systems Solutions, Inc
Full Time position
Listed on 2026-10-13
Job specializations:
  • Software Development
    Senior Developer, Software Engineer, Software Architect
Salary/Wage Range or Industry Benchmark: 130000 - 170000 USD Yearly USD 130000.00 170000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Epsilon Systems Solutions, Inc. is seeking a Senior Principal Software Engineer / Deputy Program Manager for the CGSWeb ISR&T project in St. Louis, MO.

The role combines senior technical leadership with program management responsibilities on a DoD/IC-enabled program. Requirements include a Master’s in CS, 15+ years of related experience, strong Java/C++/JavaScript, Web Services, and a TS/SCI clearance. You will mentor teams, coordinate with government customers, and ensure timely,

We have an opening for a Senior Principal Software Engineer & Deputy Program Lead in St. Louis, MO, United States within IT & Technology.

Join Epsilon Systems Solutions, Inc and contribute to our ongoing work.

Take a moment to read everything above and see whether this role is right for you.

This posting is for the Senior Principal Software Engineer & Deputy Program Lead role at Epsilon Systems Solutions, Inc, based in St. Louis, MO, United States.

Position Requirements
10+ Years work experience
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