Twenty

Develops autonomous systems for offensive cyber operations.

twenty.ioDefense, Cybersecurity50 employeesUS
PrivateFounded 2024Series A (2025)Offensive cyber operationsCyber intelligence systemsAutonomous hacking softwareNetwork exploitation platformsNational security software
Showing 23 matching jobs
Title
Forward Deployed Site Reliability Engineer
Full Time · 5+ YOE
Fort Meade, Maryland, United States · Onsite
Senior / Staff DevSecOps Engineer
Full Time · 8+ YOE
Arlington, Virginia, United States · Onsite
Senior Frontend SWE
Full Time · 5+ YOE
Washington, District of Columbia, United States · Onsite
IT Manager
Full Time · 5+ YOE
Arlington, Virginia, United States · Onsite
Mission Architect
Full Time · 7+ YOE
Arlington, Virginia, United States · Onsite
Senior Backend Engineer
Full Time · 5+ YOE
Washington, District of Columbia, United States · Onsite
Product Manager
Full Time · 4+ YOE
Arlington, Virginia, United States · Onsite
Accounting Manager
Full Time · 4+ YOE
Arlington, Virginia, United States · Onsite
Offensive Solutions Architect
Full Time · 10+ YOE
Augusta, Georgia, United States · Hybrid
Offensive Solutions Architect
Full Time · 10+ YOE
San Antonio, Texas, United States · Hybrid
Senior Forward Deployed Analyst
Full Time · 10+ YOE
Augusta, Georgia, United States · Hybrid
Senior Forward Deployed Analyst
Full Time · 10+ YOE
San Antonio, Texas, United States · Hybrid
Talent Acquisition Coordinator (Contract-to-Hire)
Full Time · 3+ YOE
Arlington, Virginia, United States · Onsite
Cyber Mission Architect – Intelligence Community
Full Time · 10+ YOE
Arlington, Virginia, United States · Onsite
Director of Offensive Cyber Research
Full Time · 12+ YOE
Washington or Arlington · Onsite
Principal Offensive Cyber Research Engineer
Full Time · 8+ YOE
Washington, District of Columbia, United States · Onsite
Staff Offensive Cyber Research Engineer
Full Time · 6+ YOE
Washington or Arlington · Onsite
Associate Software Engineer (Backend)
Full Time · 3+ YOE
Washington, District of Columbia, United States · Onsite
Staff Data Engineer - TS/SCI Cleared
Full Time · 8+ YOE
Arlington or Fort Meade · Onsite
Senior Forward Deployed Analyst
Full Time · 10+ YOE
Fort Meade, Maryland, United States · Onsite
Staff Software Engineer (Frontend)
Full Time · 8+ YOE
Washington or Arlington · Onsite
Applied AI Engineer
Full Time · 4+ YOE
Arlington, Virginia, United States · Onsite
Staff Software Engineer (Backend)
Full Time · 7+ YOE
Washington, District of Columbia, United States · Onsite

About Twenty

Activities
Offensive cyber operationsCyber intelligence systemsAutonomous hacking softwareNetwork exploitation platformsNational security software
HeadquartersUS
Industries
DefenseCybersecurity
NameTwenty
Employees50
TypePrivate
TaglineDevelops autonomous systems for offensive cyber operations.
Founded2,024
Websitetwenty.io
Latest Funding RoundSeries A
Latest Funding Year2,025
Latest Funding Amount38,000,000
Latest Investors
Caffeinated Capital