Senior/Staff Forward Deployed Software Engineer - TS/SCI (Full Scope Poly) is open at Twenty in Chantilly, VA. The posting gives a salary of $192K - $455K. Posted on Jul 31, 2026, and still on Twenty’s careers page when we last checked, on Nov 14, 2026.
About the role
isn't designed to require that. For specialist work like data engineering and AI engineering, you'll deliver with guidance from the Arlington engineers who specialize in it. What the role does require is range: the ability to pick up an unfamiliar part of the system, get productive quickly, and produce work that holds up in production. The office-based team can't access this environment, so you are the engineering…
The opening lines of the posting. The rest is on Twenty’s careers page.
Hiring at Twenty
Twenty has 46 open roles right now. Most are in Engineering, Product and Marketing & Community. The median advertised salary across its roles with a published range is $265K. See all its roles
