Senior Software Developer; TS/SCI; Python, ETL & Data
Listed on 2026-11-05
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Software Development
Python
Cornerstone Defense in Herndon, VA is seeking a Software Developer to translate requirements into concrete software solutions. You will design components, mentor teammates, and participate in end-to-end SDLC, including CI/CD integration, in an on-site role requiring Active TS/SCI w/ Polygraph.
Ideal candidates will have 3+ years of Python experience, strong ETL and SQL skills, and demonstrated SDLC expertise to debug, test, and deploy across environments.
This is a genuine opportunity to take on the Senior Software Developer (TS/SCI) - Python, ETL & Data role at Cornerstone Defense LLC.
We appreciate your interest in this position.
Join Cornerstone Defense LLC 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 Software Developer (TS/SCI) - Python, ETL & Data role at Cornerstone Defense LLC, based in Herndon, VA, United States.
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