62 sys admin jobs at 35 companies in United States

3mo
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Sys Admin
Burlingame, California, United States
$120k-$155k/yr OnsiteFull Time
Xona Space Systems
Xona Space Systems: Operates low Earth orbit satellites for high-precision navigation services.
6+ YOE3–6 years in enterprise SaaS administration; strong Microsoft 365 and Intune experience; hands-on sys admin/analyst; familiar with ITAR/CMMC compliance basics.
Microsoft 365, Intune, Active Directory, Linux, Ansible
2mo
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IT Sys Admin, Staff / Top Secret / Onsite: TX or CA
Fort Worth or Palmdale
$105k-$208k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active Top Secret clearance, experience with air-gapped networks, Windows and Red Hat Linux administration, RMF/STIG implementation, vulnerability remediation (Nessus, McAfee, Shavlik, SCAP), DoD 8570 IAT II/III certification, ability to rack/cable and lift 30 lbs.
Windows 10, Windows 11, Server 2016, Server 2019, Server 2022, Red Hat Linux, RMF, STIG, Nessus, McAfee, Shavlik, SCAP, VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN, VXRail, NetApp, EMC, TCP/IP, DNS, DHCP, LDAP
1mo
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Sys/Cloud Admin/Incident Response Engineer
Millersville, Maryland, United States
RemoteFull Time
i4DM
i4DM: Provides managed IT services and software solutions for government agencies.
3+ YOE3+ years systems administration or cloud/SRE/incident response experience; bachelor’s in IT/CS/Engineering/Cybersecurity preferred; hands-on Windows/Linux and cloud experience; monitoring/observability and incident management skills; eligible for Public Trust clearance.
AWS, Microsoft Azure, Kubernetes, Splunk, Dynatrace, CloudWatch, Microsoft Azure Monitor, Grafana, PowerShell, Python, Bash
2w
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Sys Admin
Dublin, California, United States
OnsiteFull Time
Ross Stores
Ross StoresNASDAQ: ROST: Discount retail chain selling brand-name apparel and home fashions
4+ YOE4+ years supporting retail systems; administer, monitor and support hardware, OS, networks, and warehouse control components; experience with data center design, cabling, backup/storage and SCCM; undergraduate degree or equivalent preferred.
Dematic, Intelligrated, Hitachi SAN, 3PAR, SCCM, UNIX, Windows, VPN, VoIP
3w
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ISSO -Sys Admin
Gainesville, Virginia, United States
HybridFull Time
Redhorse
Redhorse: Delivering data insights and technology solutions to government agencies.
3+ YOEU.S. citizen with active DoD Top Secret clearance, 3+ years as Systems Administrator/ISSO implementing DCSA requirements, bachelor’s degree, baseline cybersecurity certification (e.g., CompTIA Security+, CySA+, SSCP), strong prioritization and customer service skills.
ISO/IEC 27001, CMMC, RMF
1w
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IT Specialist (Sys Admin)
Washington, District of Columbia, United States
$58k-$75k/yr OnsiteFull Time
Smithsonian Institution
Smithsonian Institution: Operates national museums, research centers, and the National Zoo.
1+ YOEOne year specialized IT experience (GS-5 equivalent) installing, configuring, troubleshooting, testing, and maintaining hardware/software; knowledge of licensing and purchasing; strong customer service and communication skills.
3mo
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Sys Admin - Patching / SCCM
Oak Ridge, Tennessee, United States
HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
7+ YOEExperience with Windows patch management, SCCM, Intune, PowerShell; 7-10 years IT experience; Bachelor’s degree or equivalent; certifications preferred.
SCCM, Intune, PowerShell, Azure CLI, SQL, Tenable, Qualys
2w
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Mid-Career Sys Admin
Panama City, Florida, United States
$85k-$112k/yr OnsiteFull Time
Cortina Solutions
Cortina Solutions: Provides engineering and technical services for government defense agencies.
3+ YOE3-7+ years network/system administration experience, Bachelor's or equivalent, CCNA/Juniper/CompTIA Network+, CompTIA Security+, hands-on switches/routers/VLANs, experience with classified/unclassified lab environments, active DoD Secret clearance.
Wireshark, DISA STIGs
3d
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Staff Cyber Sys Admin
Colorado Springs, Colorado, United States
$146k-$220k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEMust be U.S. citizen with active Top Secret clearance, bachelor\u0002s+12 years (or masters+10/PhD+8), strong cyber/security credentials and prior ISSO/ISSE or systems administration experience.
3d
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Staff Cyber Sys Admin
Colorado Springs, Colorado, United States
$146k-$220k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
12+ YOEUS citizen with active Top Secret clearance, degree (Bachelors+/experience tradeoff), 10–12+ years relevant experience, cyber security certifications (Security+, CISSP, CEH) preferred, ISSO/ISSE experience desired.
4w
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Sys Admin V - Cloud Systems
Edwards Air Force Base, California, United States
$120k-$170k/yr OnsiteFull Time
JT4
JT4NYSE: AMTM: Provides engineering and technical support for military test ranges.
12+ YOEBachelor's or equivalent, 12+ years computer systems experience, U.S. citizenship, ability to obtain/maintain government security clearance, valid state driver's license, deep Microsoft Windows and Linux knowledge, virtualization and cloud administration, and DevSecOps/CI/CD familiarity.
Microsoft Windows, Linux, AWS, EC2, EBS, Jira, Confluence, Bitbucket, Jenkins, Artifactory, GitLab pipelines, Azure, AzureDevOps, Oracle SQL Developer, Docker, Podman
1d
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Sys Admin Operations Team Lead
Indian Head, Maryland, United States
$120k-$150k/yr OnsiteFull Time
EHS Technologies
EHS Technologies: Provides engineering, IT, and environmental services to defense agencies.
5+ YOE5+ years Windows administration experience with expert Windows Server, Active Directory/GPO, SCCM/MECM, PowerShell, virtualization, backups, and infrastructure project leadership.
Active Directory, DNS, STIGs, SCCM, MECM, PowerShell, Internet Information Services (IIS), VMware vSphere, Microsoft Hyper-V, MS SQL, MongoDB, RHEL, Ubuntu, Windows Server
2w
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IA Sys Admin/Computer Operator V
Mayport, Florida, United States
OnsiteFull Time
ITSC Secure Solutions
ITSC Secure Solutions: Provides engineering, cybersecurity, and program management to government agencies.
Active Top Secret clearance; experience administering Windows Server, Red Hat Enterprise Linux/Solaris, Radiant Mercury, Splunk, Cisco routing/switching, ACAS, Wireshark, VMware; strong troubleshooting and documentation skills; must obtain MCSA within six months.
ENMS Lite, DCGS-N Increment 1 Block 2, ADSI v15, GCCS-J 4.3 U1, Radiant Mercury (RADMERC), Video Teleconference (VTC) Systems, Splunk, Cisco, TACLANE, ACAS, Wireshark, VMware vCenter, VMware Server, VMware Workstation, BMC
2d
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INFORMATION TECHNOLOGY SPECIALIST (SYS ADMIN/NETWORK)
Newport, Rhode Island, United States
$85k-$110k/yr OnsiteFull Time
United States Department of the Navy
United States Department of the Navy: Maritime service branch of the United States Armed Forces
1+ YOEMinimum one year specialized IT experience (GS-09 equivalent); installing/maintaining hardware and software, managing networks and firewalls, supporting procurement processes, and providing IT training.
1w
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Network/System Administrator (Net/Sys Admin) I
Dayton, Ohio, United States
$76k-$102k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOETop Secret/SCI clearance required, 1+ years related experience, working knowledge of Microsoft Windows Server, CISCO networking, RHEL, virtualization, RMF and PL2 environments; IAT Level I certification within 6 months.
Microsoft Windows Server, Microsoft Exchange Server, RHEL, Red Hat 6.5, MS Hyper-V, VMWare, ESx, Xen, CISCO, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Microsoft Office Toolkits, SEIMs, Logrhythm, ACAS/Nessus/SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache
1w
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Network/System Administrator (Net/Sys Admin) I
Dayton, Ohio, United States
$76k-$102k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
1+ YOETS/SCI clearance required, 1+ years experience in network/system administration, Microsoft Windows Server, Exchange, RHEL, CISCO networking and virtualization knowledge; IAT Level I certification within 6 months.
Microsoft Windows Server, Microsoft Exchange Server, RHEL, Red Hat Enterprise Linux, CISCO, MS Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Win 10, Red Hat 6.5, Microsoft Office Toolkits, SIEMs, Logrhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache
1mo
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Network/System Administrator (Net/Sys Admin) III
Washington or Washington
$134k-$143k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
5+ YOETS/SCI clearance (willing to obtain CI Poly), IAT Level 3, 5+ years related experience, 2+ years SAP experience, proficiency with Windows/Linux virtualization, security tools, and incident response.
Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, Microsoft Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, BitLocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2, Windows Server 2016, Windows 10, Red Hat 6.5, Microsoft Office Toolkits, SEIMs, Logrhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, Oracle, MS SQL, Apache
4w
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Sr. Sys Admin– Security & Compliance (CMMC / NIST)
Richardson, Texas, United States
$150k-$175k/yr OnsiteFull Time
Innovative Signal Analysis
Innovative Signal Analysis: Provider of real-time signal and image processing systems.
7+ YOE7+ years system administration experience with RHEL and Windows, expertise in CMMC/NIST 800-171 compliance, hands-on Ansible and scripting, cloud experience in Office 365 GCC High and AWS GovCloud, ability to obtain TS/SSBI clearance and US citizenship required.
RHEL 8, RHEL 9, Windows 10, Windows 11, Windows Server 2016, Windows Server 2022, Office 365 GCC High, AWS GovCloud, Ansible, shell scripts, cloud-init, Gitlab, Splunk, Nessus, Defender for Endpoint
3d
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Constructive Simulation Specialist - Sys Admin II - NSC
Fort Leavenworth, Kansas, United States
OnsiteFull Time
Nemean Solutions
Nemean Solutions: Provides intelligence, IT, and training services for defense agencies.
Experience with C++, Java, or Python; familiarity with network architecture/protocols; IAT II certification; U.S. citizenship and active Secret clearance; proficient with Microsoft Office; able to travel 33-50%.
C++, Java, Python, MCIS, Microsoft Office Suite
4d
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Net/Sys Admin III - Network/System Administrator III
Washington, District of Columbia, United States
$104k-$125k/yr OnsiteFull Time
Watermark Risk Management International
Watermark Risk Management International: Provides security and risk management services for government agencies.
5+ YOETop Secret/SCI clearance, DoD 8570 IAT Level II within 6 months, 5+ years experience, bachelor\u0002s or equivalent, SAP/SAP experience preferred, ability to lift 50 lbs.
Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, Microsoft Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, Bitlocker, Microsoft SQL Server 2012, TomCat, IIS, Microsoft Windows Server 2012r2, Microsoft Windows Server 2016, Microsoft Windows 10, Red Hat 6.5, Microsoft Office, SIEMs, LogRhythm, ACAS, Nessus, SCAP, SELinux, PitBull, AppArmor, Sentris, VOIP, Oracle, Apache