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SixGen, Inc.

greenhouse
33 open positions
Last updated Jul 21, 2026
Remote5%
Hybrid2%
On-site93%
Salary shown48%
Avg. listing64d
This month9 new · 0 closed

Senior Red Team Operator

22
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherOperatorSenior
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2 0 0 2mo ago

Senior Web Application Penetration Tester

$100k–$135k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

EngineeringSecurity EngineerSenior
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3 0 0 2mo ago

Data Scientist (TS/SCI w/ Poly)

$180k–$220k/year
33
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

Data ScientistDataMid
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3 0 0 2mo ago
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SixGen, Inc.·Onsite·On-site

Lead Modeling and Simulation Engineer

23
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherSimulation EngineerLead
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3 0 0 2mo ago
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SixGen, Inc.·Northern Virginia·On-site

Mobile CNO Developer

23
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherDeveloperMobile DeveloperSoftware EngineeringMid
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4 0 0 3mo ago
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SixGen, Inc.·United StatesUnited States·Columbia,Columbia·On-site

ISSO (TS/SCI & CIPOLY)

23
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherIssoMid
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6 0 0 ~3mo ago
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SixGen, Inc.·Northern Virginia·On-site

Mobile CNE Developer

$150k–$240k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherDeveloperMobile DeveloperSoftware EngineeringMid
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6 0 0 ~3mo ago
S
SixGen, Inc.·United StatesUnited States·Ft. Meade·On-site

Senior Software Engineer (TS/SCI w/poly)

$250k–$295k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherSoftware EngineerSoftware EngineeringSenior
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11 0 0 3mo ago

Full Stack Software Engineer (TS/SCI w/ Poly)

$90k–$185k/year
33
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherSoftware EngineerFull Stack Software EngineerSoftware EngineeringMid
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4 0 0 ~3mo ago
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SixGen, Inc.·Annapolis Junction, MD.

CNO Software Engineer (TS/SCI w/ Poly)

$250k–$300k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherSoftware EngineerSoftware EngineeringMid
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5 0 0 3mo ago
S
SixGen, Inc.·United StatesUnited States·Ft. Meade·On-site

Software Engineer (TS/SCI w/ Poly)

$127k–$152k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

OtherSoftware EngineerSoftware EngineeringSoftware Engineer LevelMid
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7 0 0 4mo ago
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SixGen, Inc.·United StatesUnited States·Columbia,Columbia·On-site

Systems Engineer (TS/SCI w/ Poly)

$201k–$240k/year
34
Lowest

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital system

Systems EngineerInfrastructure & CloudMid
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9 0 0 5mo ago
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SixGen, Inc.·United StatesUnited States·On Site - Fort Meade·On-site

Talent Pool - Cyber & Engineering Roles - TS/SCI w/Poly

$125–$250/hour
34
Lowest

Position: Talent Pool, Cyber & Engineering Roles Job Type: Full Time Location: Onsite (5 days per week) Clearance Requirements: TS/SCI & Polygraph (required; applications without clearance will be automatically rejected) Travel: May vary by role ABOUT THE TEAM SIXGEN delivers agile, mission-

OtherTalent PoolMid
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3 0 0 10mo ago