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Sixgeninc

greenhouse
14 open positions
Last updated May 9, 2026
Remote10%
Hybrid0%
On-site90%
Salary shown47%
Avg. listing81d
This month4 new · 7 closed

Senior DevOps Engineer (TS/SCI w/ Poly)

60
Med

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

EngineeringDevops EngineerSenior
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0 0 0 New 2d ago
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Sixgeninc··Remote · Worldwide

Lead Red Team Operator

67
Med

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

OtherOperatorLead
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0 0 0 New 2d ago
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Sixgeninc·Onsite/hybrid·Remote · Worldwide

Red Team Operator

68
Med

Red Team Operator Job Type: Full Time Clearance Requirements: TS Years of Experience : 8+ Working with SIXGEN SIXGEN is committed to solving our customer’s hardest problems with eagerness, effectiveness, and efficiency. We reject the status quo and c

OtherOperatorMid
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0 0 0 3d ago

Data Scientist (TS/SCI w/ Poly)

60
Med

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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0 0 0 3d ago
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Sixgeninc·Northern Virginia·On-site

Mobile CNO Developer

23
Lowest

Job Type: Full-time Location: Sterling, VA , Hybrid (WFH and in office) Clearance Requirements: Must be a U.S. citizen. TS clearance required Years of Experience: 8+ years Working with SIXGEN SIXGEN is committed to solving our customer’s hardest problems with eagerness, effectiveness, and eff

OtherDeveloperMobile DeveloperSoftware EngineeringMid
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3 0 0 1mo ago

ISSO (TS/SCI & CIPOLY)

23
Lowest

Ensures the rigorous application of cybersecurity policies, principles, and practices in the delivery of all Information Technology (IT) and cybersecurity services. Develops and designs security solutions to maintain confidentiality, integrity, and availability of information throughout the enterpri

OtherIssoMid
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4 0 0 ~1mo ago
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Sixgeninc·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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4 0 0 ~1mo ago
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Sixgeninc·United StatesUnited States·Ft. Meade·On-site

Senior Software Engineer (TS/SCI w/poly)

$250k–$295k/year
34
Lowest

Location: Ft Meade, MD Clearance Requirements : TS/SCI & Poly Years of Experience: 14 Work site requirement: 5 days a week in office Travel: None Working with SIXGEN SIXGEN is committed to solving our customers’ hardest problems with eagerness, effectiveness, and efficiency. We rej

OtherSoftware EngineerSoftware EngineeringSenior
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8 0 0 1mo 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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2 0 0 ~1mo ago
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Sixgeninc·Annapolis Junction, MD.

CNO Software Engineer (TS/SCI w/ Poly)

$250k–$300k/year
34
Lowest

Job Type: Full-time Location: Annapolis Junction, MD. Clearance Requirements: TS/SCI w/ Poly Years of Experience: 7+ years Team Lead roles available if 10+ years Working with SIXGEN SIXGEN is committed to solving our customer’s hardest problems with eagerness, effectiveness, and efficiency. W

OtherSoftware EngineerSoftware EngineeringMid
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4 0 0 1mo ago
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Sixgeninc·United StatesUnited States·Ft. Meade·On-site

Technical Writer (TS/SCI w/ Poly)

$105k–$126k/year
34
Lowest

Job Type: Technical Writer (US CITIZEN ONLY) Location: Ft Meade, MD Clearance Requirements : TS/SCI & Poly Years of Experience: 6 Work site requirement; 5 days a week in office Travel: None Working with SIXGEN SIXGEN is committed to solving our customers’ hardest problems with eagerness,

OtherTechnical WriterMid
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7 0 0 2mo ago
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Sixgeninc·United StatesUnited States·Ft. Meade·On-site

Software Engineer (TS/SCI w/ Poly)

$127k–$152k/year
34
Lowest

Job Type: Software Engineer Level 0 (US CITIZEN ONLY) Location: Ft. Meade, MD Clearance Requirements : TS/SCI & Poly Years of Experience: 0-20 Work site requirement: 5 days a week in office Travel: None Working with SIXGEN SIXGEN is committed to solving our customers’ hardest proble

OtherSoftware EngineerSoftware EngineeringSoftware Engineer LevelMid
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3 0 0 2mo ago

Systems Engineer (TS/SCI w/ Poly)

$201k–$240k/year
34
Lowest

Job Type: Systems Engineer (US CITIZEN ONLY) Location: Columbia , MD Clearance Requirements : TS/SCI & Poly Years of Experience: 15+ Work site requirement: 5 days a week in office Working with SIXGEN SIXGEN is committed to solving our customers’ hardest problems with eagerness, effectiven

Systems EngineerInfrastructure & CloudMid
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8 0 0 2mo ago
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Sixgeninc·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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2 0 0 7mo ago