Active TS/SCI w/ CI Poly is a must Employment type: Full Time W-2 or Contract Rate: open to Negotiation Benefits: including Health, Dental Vision, PTO, Holidays, 401K,etc Principal Software Engineer Salary range: $180k/yr Location: Aurora, CO Clearance: Active TS/SCI with CI Polygraph required Certification: IAT Level II / Security required Role Summary Seeking a Principal Software Engineer to support the enhancement, modification, troubleshooting, and sustainment of existing software systems. …