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Sigma Defense
Sigma Defense
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Brooklyn, NY
California, MO
Huntsville, AL
Rome, NY
San Diego, CA
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Top Occupations:
Network and Computer Systems Administrators
Information Security Analysts
Military Officer Special and Tactical Operations Leaders, All Other
Computer Systems Engineers/Architects
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Top Industries:
National Security
Computer Systems Design Services
Engineering Services
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Printed Circuit Assembly (Electronic Assembly) Manufacturing
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24
jobs
at
Sigma Defense
in last 30 days
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Date
Last 30 days
Cybersecurity Engineer (Azure, RMF & Zero Trust)
APPLY
Sigma Defense
Rome, NY
L6 Lead
October 4th, 2026
Information Security Engineers
Computer Systems Design Services
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1775 - B2 Lead Network Engineer
APPLY
Sigma Defense
Perry, GA
L6 Lead
October 1st, 2026
Computer Network Architects
Computer Systems Design Services
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Senior Systems Engineer - Defense, TS/SCI Eligible
APPLY
Sigma Defense
Norfolk, VA
L6 Lead
September 24th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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1771 - Liaison Officer - MARSOC
APPLY
Sigma Defense
Jacksonville, NC
L6 Lead
October 2nd, 2026
Military Officer Special and Tactical Operations Leaders, All Other
National Security
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Security-Cleared Tech Program Analyst, Tactical Comms
APPLY
Sigma Defense
Fort Meade, FL
L3 Junior
October 5th, 2026
Project Management Specialists
National Security
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1773 - System Administrator
APPLY
Sigma Defense
California, MO
L5 Senior
October 8th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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1773 - System Administrator
APPLY
Sigma Defense
Brooklyn, NY
L5 Senior
October 8th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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Secure Systems Administrator: Windows & Linux (TS/SCI)
APPLY
Sigma Defense
Brooklyn, NY
L5 Senior
October 8th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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International Agreements Lead - Defense & Security Cooperation
APPLY
Sigma Defense
Alexandria, VA
L6 Lead
October 11th, 2026
Legal Secretaries and Administrative Assistants
National Security
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1749 - Threat System SME
APPLY
Sigma Defense
Huntsville, AL
L6 Lead
September 11th, 2026
Security Management Specialists
National Security
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1745 - SOCPAC Liaison Officer
APPLY
Sigma Defense
Waipahu, HI
L6 Lead
September 13th, 2026
Military Officer Special and Tactical Operations Leaders, All Other
National Security
Show all >
1755 - Azure Network Engineer
APPLY
Sigma Defense
Rome, NY
L6 Lead
September 14th, 2026
Computer Systems Engineers/Architects
Computer Systems Design Services
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RMF & A&A ISSO for DoD Systems
APPLY
Sigma Defense
March Air Reserve Base, CA
L6 Lead
October 8th, 2026
Information Security Analysts
National Security
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System Administrator (TS/SCI Eligible) – Windows & Linux
APPLY
Sigma Defense
March Air Reserve Base, CA
L5 Senior
October 8th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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1772 - Information System Security Officer
APPLY
Sigma Defense
Brooklyn, NY
L6 Lead
October 8th, 2026
Information Security Analysts
National Security
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RMF-Driven InfoSec Officer for DoD Systems
APPLY
Sigma Defense
Brooklyn, NY
L4 Mid
October 8th, 2026
Information Security Analysts
National Security
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1772 - Information System Security Officer
APPLY
Sigma Defense
California, MO
L6 Lead
October 8th, 2026
Information Security Analysts
National Security
Show all >
RMF-Driven InfoSec Officer for DoD Systems
APPLY
Sigma Defense
California, MO
L4 Mid
October 8th, 2026
Information Security Analysts
National Security
Show all >
Secure Systems Administrator: Windows & Linux (TS/SCI)
APPLY
Sigma Defense
California, MO
L5 Senior
October 8th, 2026
Network and Computer Systems Administrators
Computer Systems Design Services
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1741 - Technical Program Analyst
APPLY
Sigma Defense
Fort Meade, FL
L4 Mid
October 5th, 2026
Project Management Specialists
National Security
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1761 - Director of Engineering
APPLY
Sigma Defense
San Diego, CA
L7 Manager
September 14th, 2026
Architectural and Engineering Managers
Engineering Services
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Electrical/Mechanical Technician for Wire Harness & PCB
APPLY
Sigma Defense
Huntsville, AL
L4 Mid
September 22nd, 2026
Electrical and Electronic Engineering Technologists and Technicians
Printed Circuit Assembly (Electronic Assembly) Manufacturing
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1769 - ATGPAC BMD Ashore SME
APPLY
Sigma Defense
San Diego, CA
L6 Lead
October 2nd, 2026
Artillery and Missile Officers
National Security
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1772 - Information System Security Officer
APPLY
Sigma Defense
March Air Reserve Base, CA
L6 Lead
October 11th, 2026
Information Security Analysts
National Security
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