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Reston, VA
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Mantis Security
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Reston, VA
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Mantis Security
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Reston, VA
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Senior Test Engineer
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Mantis Security
Reston, VA
L6 Lead
April 14th, 2026
Software Quality Assurance Analysts and Testers
Computer Systems Design Services
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Network Engineer
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Mantis Security
Reston, VA
L5 Senior
April 16th, 2026
Computer Network Architects
Computer Systems Design Services
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Cybersecurity Incident Response Team (CSIRT) Analyst
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Mantis Security
Reston, VA
L5 Senior
April 22nd, 2026
Information Security Analysts
Computer Systems Design Services
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Platform Integration Engineering Lead (TS/SCI)
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Mantis Security
Reston, VA
L7 Manager
April 12th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Data Scientist
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Mantis Security
Reston, VA
L6 Lead
April 12th, 2026
Data Scientists
Computer Systems Design Services
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Network Engineer with Security Clearance
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Mantis Security
Reston, VA
L6 Lead
May 4th, 2026
Computer Network Architects
Computer Systems Design Services
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DevOps Engineer
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Mantis Security
Reston, VA
L5 Senior
April 12th, 2026
Software Developers
Computer Systems Design Services
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Senior Network Engineer
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Mantis Security
Reston, VA
L5 Senior
May 24th, 2026
Computer Network Architects
Computer Systems Design Services
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Senior ISSO: RMF/A&A Lead (TS/SCI, AWS)
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Mantis Security
Reston, VA
L6 Lead
April 24th, 2026
Information Security Analysts
Computer Systems Design Services
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System Administrator
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Mantis Security
Reston, VA
L5 Senior
May 17th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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Cloud Systems Administrator
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Mantis Security
Reston, VA
L5 Senior
April 12th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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Information Systems Security Engineer (ISSE)
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Mantis Security
Reston, VA
L6 Lead
May 24th, 2026
Information Security Engineers
Computer Systems Design Services
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Information System Security Officer
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Mantis Security
Reston, VA
L6 Lead
July 1st, 2026
Information Security Analysts
Computer Systems Design Services
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CSIRT Analyst with Security Clearance
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Mantis Security
Reston, VA
L5 Senior
May 6th, 2026
Information Security Analysts
Computer Systems Design Services
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Senior SOC Engineer
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Mantis Security
Reston, VA
L6 Lead
May 3rd, 2026
Information Security Engineers
Computer Systems Design Services
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Cloud Systems Administrator Secure Linux & AWS Expert
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Mantis Security
Reston, VA
L5 Senior
July 28th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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Database Engineer
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Mantis Security
Reston, VA
L6 Lead
April 12th, 2026
Database Architects
Computer Systems Design Services
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CSIRT Analyst: Real-Time Incident Response (TS/SCI)
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Mantis Security
Reston, VA
L5 Senior
April 27th, 2026
Information Security Analysts
Computer Systems Design Services
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Information Systems Security Officer
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Mantis Security
Reston, VA
L6 Lead
July 1st, 2026
Information Security Analysts
Computer Systems Design Services
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Software Development Manager
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Mantis Security
Reston, VA
L6 Lead
April 22nd, 2026
Software Developers
Computer Systems Design Services
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Software Engineer
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Mantis Security
Reston, VA
L5 Senior
April 12th, 2026
Software Developers
Computer Systems Design Services
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Software Engineer with Security Clearance
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Mantis Security
Reston, VA
L5 Senior
April 12th, 2026
Software Developers
Computer Systems Design Services
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Mission Defense Team Lead (TS/SCI)
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Mantis Security
Reston, VA
L7 Manager
April 12th, 2026
Information Security Engineers
Computer Systems Design Services
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ISSE: Secure Systems Engineer & Defender
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Mantis Security
Reston, VA
L6 Lead
June 20th, 2026
Information Security Engineers
Computer Systems Design Services
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Information Systems Security Officer (ISSO)
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Mantis Security
Reston, VA
L6 Lead
April 12th, 2026
Information Security Analysts
Computer Systems Design Services
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