134 system administrator jobs at 91 companies in Winchester, TN
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System Administrator
Redstone, Alabama, United States
OnsiteFull Time
QBE: Provides technology and security services for federal defense agencies.
5+ YOETop Secret/SCI clearance, 5+ years enterprise IT experience, hands-on Windows/Linux system and network administration, STIGs/patching, incident response, and Tier 1/2 user support.
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
7+ YOERequires 7+ years of system administration, 3+ years Linux administration, classified air-gapped network experience, Secret clearance, ability to obtain TS/SCI and polygraph, and DoD IAT Level II certification.
Linux, Red Hat, Ubuntu, CentOS, Cisco, WAN, LAN, Matlab, Python, GitLab, Jenkins, Kubernetes, Active Directory, LDAP, User Access Control, Splunk, ELK, Tenable Nessus, NetApp, Synology, Wireshark, Snort, PRTG, SCAP, SCC Tool, OpenSCAP, VMWare vSphere, EXSI, TACLANE, NIST, DFARS, Red Hat Satellite, Ansible
0+ YOE0–3 years of system administration experience, a bachelor's degree or equivalent, Security+ certification, Windows or Linux familiarity, and an active Secret clearance or ability to obtain one.
Windows, Linux, PowerShell, Bash, Python, DISA STIGs, SECNAV M-5239.2
Integral Federal: Delivers technology and intelligence solutions for national security missions.
5+ YOEBA/BS and 5+ years applying RMF to DoD IT systems, DoD 8570/8140-aligned certifications, eMASS and vulnerability scanning experience, and Top Secret/SCI clearance.
Crossflow Technologies: Provides engineering, cybersecurity, and modeling services for defense programs.
5+ YOERequires 5–8 years of systems administration experience, Linux and RHEL expertise, Cisco networking, GitLab, Linux certification, DoD 8570 IAT II certification, bachelor's degree, and active DoD Secret clearance.
Beyond New Horizons: Provides test operations and sustainment for aerospace testing complexes.
8+ YOEBachelor's in IT or equivalent experience, 8+ years IT experience (11+ for higher grade), ability to obtain security clearance, commit to DoD 8140 certifications within 6 months, Windows/Linux administration, imaging/deployment, scripting, virtualization.
Active Directory, DNS, DHCP, GPOs, PowerShell, SCCM, WSUS, WDS, MDT, NetApp ONTAP, Red Hat IdM, Red Hat Enterprise Linux, Linux, Bash, Python, VMware vSphere, Citrix XenDesktop/XenApp, TCP/IP, SSH
Full Visibility: Provider of technical and engineering solutions for government agencies.
6+ YOEBachelor's degree in information technology, computer science, engineering, or related field plus 6 years of IT systems experience, or 10 years equivalent experience; enterprise infrastructure and Windows Server expertise required.
Windows Server, DHCP, DNS, Remote Desktop Services, WSUS, PowerShell, Windows Admin Center, RSAT, Microsoft System Center, Hyper-V, Failover Clustering, Azure, AWS, OpenStack, Apache NiFi, Storage Spaces Direct (S2D), Group Policy Management, SQL Server, SharePoint Server, Exchange, Skype for Business Server, Data Center Bridging (DCB)
nLogic: Provides engineering and software solutions for defense systems.
0+ YOECurrent in-scope Secret clearance, BS (or 4 additional years experience), Security+ (or equivalent) within 6 weeks, Windows certification (or ability to obtain), 0–3 years Windows system administration experience, familiarity with DISA STIGs and RSA.
Torch Technologies: Provides research and engineering services to the defense industry.
5+ YOERequires U.S. citizenship, 5–10 years of Linux administration in classified environments, active Secret clearance, IAT-II and Linux certifications, scripting skills, and Linux security experience.
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
3+ YOE3+ years managing virtual/physical servers, virtualization (VMware/vCenter), Active Directory, Windows servers, backup/restore, security controls per NIST/RMF, PKI/SSO, and troubleshooting; Top Secret clearance and IAT Level II required.
VMware, vCenter, VMware Horizon, Microsoft Hyper-V, Citrix XenServer, Oracle VM, Red Hat Enterprise Virtualization, Active Directory, NTFS, DFS, SCCM, PKI, SSO, Ansible, Cisco, Microsoft Visio, Nessus, PowerShell, JavaScript
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
5+ YOEActive DoD Secret clearance, CompTIA Security+, 5+ years Windows administration experience, PowerShell scripting, AD/DNS/GPO management, patch management (WSUS/SCCM), DISA STIG/ACAS familiarity, virtualization and hybrid Windows/Linux operations.
Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Hyper-V, VMware ESXi, PowerShell, Ansible, ACAS, Evaluate-STIG, Microsoft Office 365, Microsoft Teams, Microsoft SharePoint, Git, GitLab, Jenkins, WSUS, SCCM, Splunk, SolarWinds, Prometheus, KVM, Red Hat Enterprise Linux (RHEL)
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
3+ YOERequires 3+ years of Linux systems administration, configuration management, virtualization, Bash or Python scripting, networking and storage administration, IAT Level II certification, and active DoW Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows Server, Windows, Active Directory, WSUS, SCCM, PowerShell, VMware vSphere, RSA, PKI, BMC Remedy
INNOVIM: Delivers data engineering and scientific solutions to federal agencies.
3+ YOERequires 3+ years of Linux administration experience, Linux configuration and patching expertise, virtualization, Bash or Python scripting, DoD IAT Level II certification, and active DoW Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows, VMware vSphere, VMware vCenter, IdM, LDAP, SSSD, Active Directory, DNS, DHCP, NTP, SSH, LVM, NFS, Windows Server, Windows 10, Windows 11, WSUS, SCCM, PowerShell, GPOs, RSA, PKI, BMC Remedy
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
3+ YOERequires 3+ years of Linux administration, scripting, virtualization, networking, storage, configuration management, current IAT Level II certification, and active DoW Secret clearance; must obtain Top Secret clearance.
Linux, Red Hat Enterprise Linux, Red Hat Satellite, Ansible, vCenter, Bash, Python, OpenShift, Windows, LDAP, SSSD, Active Directory, DNS, DHCP, NTP, SSH, LVM, NFS, Windows Server, Windows 10, Windows 11, WSUS, SCCM, PowerShell, GPO, VMware vSphere, RSA, PKI, BMC Remedy
Classified IT System Administrator, Sr / Onsite: PA, CO, CA, AL or FL
King of Prussia or Huntsville or Littleton or Sunnyvale or Titusville
$96k-$178k/yrOnsiteFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
3+ YOERequires U.S. citizenship, ability to obtain Top Secret clearance, and 3+ years of system administration experience with Linux, Windows, networking, or storage. Requires systems analysis, troubleshooting, networking, and communication skills.
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
5+ YOE5+ years of systems administration; install, configure, maintain, troubleshoot OS, hardware, and network; perform backups and provide user support.
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEU.S. citizenship, active Secret clearance, and 5+ years of systems administration, networking, or IT infrastructure experience with Windows/Linux and secure network environments; bachelor's degree or 10+ years' experience.
Windows, Linux, Local Area Network (LAN), Wide Area Network (WAN), Red Hat Enterprise Linux (RHEL), DevSecOps, Infrastructure as Code (IaC), continuous integration/continuous deployment (CI/CD), version control, Trellix