13,582 system administrators jobs at 6,492 companies in United States

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Manager, Cyber System Administrators
Landover, Maryland, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
10+ YOEActive Top Secret/SCI clearance, 10+ years experience, VMware, NAS, Solaris/Linux/Windows/macOS administration, DoD 8570 IAT Level II certification (or listed equivalents); scripting, vulnerability scanning, DISA STIGs, and Atlassian tool experience preferred.
VMware, Network Attached Storage (NAS), Solaris, Linux, Windows Server, macOS, Bash, PowerShell, Python, Nessus Vulnerability Scanner, DISA STIGs, JIRA, Bitbucket, Confluence
3mo
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System Administrators
Annapolis Junction, Maryland, United States
$120k-$220k/yr OnsiteFull Time
BCT
BCT: Delivering mission technology and engineering services for national security.
5+ YOEActive TS/SCI with polygraph, DoD 8570 IAT certification, 5+ years system administration experience preferred up to senior levels, UNIX/Windows administration, troubleshooting, C&A and risk assessment experience.
UNIX, Windows, Service Oriented Architecture (SOA)
2w
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System Administrators IV
Fort Belvoir, Virginia, United States
$95k-$105k/yr OnsiteFull Time
Dexian Government Solutions
Dexian Government Solutions: Provides diversified IT and engineering solutions to government agencies.
10+ YOE10+ years system administration experience, IAT III certification and active DOD Secret clearance required to start; expertise with Windows Server, Linux, VMware, Active Directory, backups, DISA STIG compliance, and technical documentation.
Microsoft Windows Server, Linux, VMware, Microsoft Active Directory, DISA STIG
6d
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System Administrators (Associate/Intermediate)
Clarksburg, West Virginia, United States
OnsiteFull Time
Link Solutions: Providing IT infrastructure and cybersecurity services to federal agencies.
1+ YOEU.S. citizen with active DoW Secret clearance, DoD IAT Level II (or higher), 1+ years systems/admin experience (4+ for intermediate), Windows/Active Directory/MECM experience, RMF/STIG familiarity preferred.
NIPRNET, SIPRNET, Microsoft Endpoint Configuration Manager (MECM), Active Directory, Group Policy, Microsoft Office, eMASS, Tanium
1mo
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Manager, Cyber System Administrators
Landover, Maryland, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
10+ YOEActive TS/SCI clearance, 10 years experience, DoD 8570 IAT Level II certification (Security+, GSEC, SSCP, or GICSP), experience with VMware, NAS, Solaris/Linux, Windows Server, MacOS, scripting (Bash, PowerShell, Python), Nessus, DISA STIGs, and Atlassian tools.
VMware, Network Attached Storage (NAS), Solaris, Linux, Windows Server, MacOS, Bash, PowerShell, Python, Nessus Vulnerability Scanner, DISA STIG, JIRA, Bitbucket, Confluence
2mo
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System Administrator
Overland Park, Kansas, United States
OnsiteFull Time
Enjet Aero
Enjet Aero: Manufactures precision machined and fabricated components for aircraft engines.
Experienced systems administrator skilled in OS, virtualization, security, and IT infrastructure.
Windows, Linux, Active Directory, Virtualization, Networking, Security monitoring
1w
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System Administrator
Fort Bragg, North Carolina, United States
OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
Secret clearance, associate degree or equivalent military training, DCWF System Administrator (451) basic-level certification (e.g., Security+ CE or CySA+), and demonstrated system/network administration, hardening, virtualization, and DoD security tool knowledge.
VMware (vCenter), Microsoft SharePoint, ACAS, Army Endpoint Security Solution (AESS), Trellix, Microsoft Defender Endpoint, TAK, CPCE, SOF MC, Microsoft Server, TCP/IP, DHCP, DNS
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System Administrator
Pittsburgh, Pennsylvania, United States
OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
3+ YOECurrent LenelS2 and Milestone certifications and Security+ required; 3+ years system administrator/systems engineer experience with enterprise electronic security systems; strong servers/databases and troubleshooting skills.
LenelS2, Milestone, Genetec, Honeywell, Avigilon, Bosch, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
1w
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System Administrator
Minden, Nevada, United States
$85k-$120k/yr OnsiteFull Time
Douglas County
Douglas County: Provides essential public services to residents of Douglas County.
3+ YOEBachelor's in IT/Computer Science or related and 3+ years enterprise system administration or equivalent; experience in network architecture, cybersecurity, virtualization, Microsoft 365 administration, and project work.
Microsoft Entra, local AD, Microsoft Intune, Exchange Online, Microsoft Teams, SharePoint Online, VMware vSphere 8.0, Microsoft SQL
1mo
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System Administrator
Hot Springs, Arkansas, United States
$48k-$94k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
3+ YOE1+ Mgmt3+ years Windows system administration and IT support, experience with enterprise systems and networked devices, bachelor’s degree, US citizenship, eligible for Secret clearance, ability to lift 35 lbs.
Microsoft Office, Microsoft Access, Active Directory, Group Policy
6d
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System Administrator
Fort Meade, Maryland, United States
OnsiteFull Time
NexOne
NexOne: Provides IT and engineering services for government defense agencies.
6+ YOE6+ years MILSATCOM experience, Windows system administration, LAN/WAN, SIPR/NIPR administration, IA/ RMF knowledge, IA certification per DoD 8570, associate degree (or equivalent experience).
Active Directory (AD), SIPR, NIPR, Windows, LAN/WAN, Risk Management Framework (RMF)
4d
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System Administrator
Redwood City or United States
$115k-$120k/yr HybridFull Time
Authentic8
Authentic8: Secure cloud-based web isolation and anonymous browsing software.
5+ YOE5+ years systems administration experience with macOS/Windows/Linux, MDM (Jamf/Intune), Azure/Okta, AD and networking; scripting (PowerShell/Bash); VMware and server administration; strong troubleshooting and documentation skills.
Jamf Pro, Microsoft Intune, Azure, GCP, Google Workspace, Okta, VMware vCenter, Windows Server 2019, Windows Server 2022, Linux, PowerShell, Bash, Parallels Desktop, Azure AD/Entra ID, SAML, SSO
2mo
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System Administrator
Hurst, Texas, United States
$100k-$120k/yr HybridFull Time
Work Truck Solutions
Work Truck Solutions: Software and marketplace for the commercial vehicle ecosystem.
3+ YOE3+ years in System Administration or IT Support; Azure cloud and M365 experience; networking and security expertise; Windows/macOS proficiency.
Microsoft Azure, Microsoft 365, PowerShell, Python, Bash, TCP/IP, DNS, DHCP, VPN, Network Security Groups, macOS, Windows
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System Administrator
Earth City, Missouri, United States
$60k-$85k/yr OnsiteFull Time
Credit Control
Credit Control: Provides debt recovery and accounts receivable management services.
5+ YOE5+ years system administration experience; Windows Server and Linux administration; Active Directory, DNS, DHCP, Group Policy; virtualization (VMware/Hyper-V); scripting (PowerShell, Bash); bachelor’s degree or relevant certifications.
Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, VLANs, TCP/IP, Firewalls, PowerShell, Bash, Appgate SDP, Microsoft 365, Azure AD Sync, ConnectWise Service Manager, SentinelOne, Rapid7, Cisco Umbrella, CyberArk
1mo
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System Administrator
Herndon, Virginia, United States
OnsiteFull Time
Apogee Integration
Apogee Integration: Provides systems engineering and technical advisory for intelligence agencies.
Active TS/SCI with Full-Scope Polygraph required. Provide Tier 2 systems administration and help-desk support in a 24x7 environment, troubleshoot hardware/software, maintain SOPs and monitor messaging systems.
1mo
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System Administrator
Manning, Iowa, United States
OnsiteFull Time
Puck Enterprises
Puck Enterprises: Manufactures liquid transfer equipment and slurry handling systems.
3+ YOEBachelor's degree or equivalent experience; 3+ years IT/systems administration experience; experience with Windows Server, Active Directory, Microsoft 365, network infrastructure, backup/recovery, system monitoring, and compliance (CMMC/ISO).
Windows Server, Active Directory, Microsoft 365, VPNs, firewalls, switches, ISO 9001, CMMC 2.0
5d
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System Administrator, Sr.
Cape Canaveral, Florida, United States
OnsiteFull Time
By Light Professional IT Services
By Light Professional IT Services: Provides IT systems engineering and cybersecurity solutions for federal agencies.
5+ YOE5+ years system administration experience with BA/BS or equivalent, DoD Secret clearance, familiarity with technical standards, system monitoring, security administration, and user support.
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System Administrator
United States
RemoteFull Time
Concept Plus: Delivers enterprise IT services for federal government agencies.
Bachelor's degree or equivalent experience in CS/IT, DoD 8140/8570 IAT II (or ability to obtain), Azure Cloud certification, Hyper-V and Docker experience, ICAM/Okta administration, Azure and Microsoft 365 administration, and tiered systems troubleshooting.
Microsoft Azure, Docker, IPv4, IPv6, Cisco, Aruba, Microsoft Hyper-V, Microsoft 365, Okta SSO, STIGs, VNets
3mo
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System Administrator
Dallas, Texas, United States
OnsiteFull Time
Mizzen+Main
Mizzen+Main: Design and retail of performance-fabric menswear and dress shirts.
4+ YOE3–5 years in systems administration or business systems support; Bachelor's degree in CS/IS or related field; experience with ERP platforms (NetSuite preferred); strong integration, API, and SDLC knowledge; Dell Boomi experience a plus.
NetSuite, Dell Boomi, APIs
1mo
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System Administrator
United States
$65k/yr OnsiteFull Time
Sheldon ISD
Sheldon ISD: Provides primary and secondary public education services.
3+ YOE3+ years in systems administration; experience with Windows Server, Active Directory, Azure, Exchange, cloud platforms; K-12 education environment preferred.
Windows Server, Active Directory, Azure, Exchange Server, Office 365, Google Workspace, VMware, Hyper-V, SIS, SaaS Cloud Platforms, Backup/Recovery, Group Policy, Security, Networking, Email systems, File storage, Scripting (preferred)