198 infrastructure administrator jobs at 118 companies in Oakton, VA
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Infrastructure Systems Administrator
Springfield or St. Louis
$139k-$170k/yr OnsiteFull Time
Administer RHEL/Windows servers, manage AWS infrastructure for a self-hosted ServiceNow platform, support ServiceNow AI integrations, and hold an active TS/SCI clearance.
RHEL 9, Windows Server, AWS, EC2, RDS, Application Load Balancer (ALB), Security Groups, AWS Bedrock, ServiceNow, Now Assist, AI Search, Predictive Intelligence, AI Control Tower, Model Context Protocol (MCP)
2w
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Infrastructure Systems Administrator
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
7+ YOE7+ years in Linux systems engineering or administration; RHEL, shell scripting, cybersecurity tools, virtualization, containers, networking, system hardening, TS/SCI clearance with polygraph, and high school diploma or GED.
Red Hat Enterprise Linux (RHEL), Windows, ACAS Security Center, Evaluate STIG, SCAP, STIG Viewer, Nessus Scanner, VMware, Hypervisor, KVM, Docker, Podman, Kubernetes, IPv4, SSH, Firewalls, CI/CD, DevOps, RHEL 10
2w
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Infrastructure Systems Administrator
Chantilly, Virginia, United States
$78k-$176k/yr OnsiteFull Time
7+ YOERequires 7+ years of Linux administration or engineering, RHEL 8/9, shell scripting, cybersecurity tools, virtualization, containers, networking, TS/SCI clearance with polygraph, and high school diploma or GED.
Red Hat Enterprise Linux (RHEL), Windows, shell scripting, ACAS Security Center, Evaluate STIG, SCAP, STIG Viewer, Nessus Scanner, VMWare, Hypervisor, KVM, Docker, Podman, Kubernetes, IPv4, SSH, Firewalls, CI/CD pipelines, DevOps, Red Hat Certified Engineer (RHCE)
1mo
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Citrix Infrastructure Administrator
Arlington, Virginia, United States
$115k-$125k/yr OnsiteFull Time
4+ YOE4+ years enterprise virtualization/Citrix experience, active DOD Top Secret/TS-SCI clearance, Citrix ADC/CVAD administration, networking fundamentals, PowerShell scripting, and baseline security certification.
Citrix Virtual Apps and Desktops (CVAD), Citrix ADC (NetScaler), StoreFront, Citrix Gateway, PowerShell, TCP/IP, DNS, DHCP, SSL/TLS
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Microsoft Infrastructure Administrator (REMOTE)
Washington, District of Columbia, United States
RemoteFull Time
3+ YOERequires 3–5 years of enterprise Microsoft infrastructure experience, Microsoft 365, Entra, Intune, Azure Government, FedRAMP, and federal security compliance experience, plus MS-102 and AZ-104 certifications.
Microsoft 365, Exchange Online, Microsoft SharePoint, Microsoft OneDrive, Microsoft Teams, Microsoft Azure Government, Microsoft Entra, Microsoft Entra ID, Microsoft Intune, Microsoft Endpoint Manager, Microsoft Defender for Endpoint, Microsoft Defender for Office 365, PowerShell, ServiceNow, ITIL 4, Zero Trust Architecture, NIST SP 800-53, FedRAMP, FISMA, OMB M-22-09, RBAC
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IT Infrastructure Administrator
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$45k-$142k/yr RemoteFull Time
3+ YOEHigh school diploma or GED required; 2-year degree preferred. Requires 3+ years of relevant experience, Windows Server and Azure/AWS knowledge, PowerShell/Bicep/batch scripting, and Active Directory, DNS, DHCP, and networking familiarity.
Windows Server, Azure, AWS, PowerShell, Bicep, Active Directory, DNS, DHCP, Azure Virtual Desktop (AVD), Microsoft Exchange Online, Microsoft Teams, Teams Phones, Microsoft Intune, Microsoft OneDrive for Business, ITIL
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Citrix Infrastructure Administrator
Arlington, Virginia, United States
OnsiteFull Time
4+ YOEActive TS/SCI clearance, DoD 8570 IAT Level II, hands-on CVAD and Citrix ADC experience, PowerShell scripting, AD integration, networking knowledge, and strong troubleshooting skills.
Citrix Virtual Apps and Desktops (CVAD), Citrix ADC (NetScaler), StoreFront, Citrix Gateway, XenApp, XenDesktop, PowerShell, Active Directory
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Citrix Infrastructure Administrator
Arlington, Virginia, United States
OnsiteFull Time
4+ YOEActive DoD Top Secret (TS/SCI eligible), CI poly required; BA and 4+ years Citrix/virtualization experience (or additional years in lieu); IAT II cert (e.g., Security+, CySA+, GICSP, GSEC); strong networking fundamentals and PowerShell scripting.
Citrix Virtual Apps and Desktops (CVAD), Citrix ADC, NetScaler, StoreFront, Citrix Gateway, XenApp, XenDesktop, Active Directory, PowerShell, TCP/IP, DNS, DHCP, SSL/TLS
4w
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Network Infrastructure/System Administrator
McLean, Virginia, United States
$121k-$266k/yr OnsiteFull Time
Active TS/SCI with Polygraph, bachelor\u0002s or equivalent experience, experience designing and supporting enterprise Cisco/Juniper networks, knowledge of TCP/IP, routing, firewalls, SolarWinds, and device hardening.
Cisco, Juniper, SolarWinds, Ansible, Python, Amazon AWS, Microsoft Azure, Google Cloud, VMware
4w
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Network Infrastructure/System Administrator
McLean, Virginia, United States
$121k-$266k/yr OnsiteFull Time
Active TS/SCI with Polygraph, bachelor's in CS/Engineering or equivalent, experience designing and supporting enterprise Cisco/Juniper networks, Solarwinds knowledge, and networking/protocol expertise.
Cisco, Juniper, Solarwinds, Ansible, Python, VMWare, Amazon AWS, Microsoft Azure, Google Cloud
3mo
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Senior Infrastructure and Systems Administrator
College Park, Maryland, United States
$112k-$179k/yr OnsiteFull Time
6+ YOE6+ years with Bachelor's degree; 4+ with Master's; strong Linux/Windows admin; virtualization; networking; security baselines; support for classified/unclassified environments.
Linux, Windows Server, VMware, Hyper-V, KVM, Proxmox, OpenStack, TCP/IP, DNS, DHCP, VLAN, Firewalls, Remote access
3mo
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Senior Infrastructure and Systems Administrator
College Park, Maryland, United States
$112k-$179k/yr OnsiteFull Time
6+ YOE6+ years experience with a Bachelor’s degree or 4+ years with a Master’s; TS/SCI with Polygraph preferred; strong Linux/Windows admin, network fundamentals, virtualization, security baselines, patching, backup, and documentation.
Linux, Windows, VMware, Proxmox, Hyper-V, KVM, OpenStack, TCP/IP, DNS, DHCP, VLANs, Firewalls, Remote Access, Scripting (PowerShell, Bash, Python, Ansible), Infra/Storage, Endpoin t protection
4w
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Infrastructure Lead
Washington, District of Columbia, United States
$205k-$375k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years of Linux systems administration, 2+ years leading infrastructure teams, relevant bachelor's degree, strong networking and cybersecurity knowledge, and containerization or virtualization experience.
Linux, TCP/IP, LAN/WAN, DNS, VPN, SSL/TLS, Routing, DHCP, OSI model, Firewalls, LXC, Docker, Podman, Libvirt, Proxmox, CI/CD
2mo
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System Administrator (Enterprise Infrastructure)
Laurel, Maryland, United States
OnsiteFull Time
5+ YOETS/SCI with polygraph required. Bachelor's in a technical discipline or 5+ years SA experience. DoD 8570 IAM Level I+, 1+ year modern OS and network architecture experience, certification/accreditation experience, Linux/Unix/Windows and VMware expertise.
Linux, Unix, Windows, VMware
1w
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Senior Infrastructure Analyst
Washington Navy Yard, District of Columbia, United States
$95k-$130k/yr HybridFull Time
10+ YOEBachelor’s or advanced degree in engineering, operations research, business administration, or related technical field; 10+ years in engineering, facility planning, or defense infrastructure programs; Navy submarine program experience required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams
3mo
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System Administrator Level 3 (Infrastructure Security)
Fort Meade, Maryland, United States
$150k-$215k/yr OnsiteFull Time
15+ YOEBachelor's degree in a technical discipline or 5 additional system administration years, 15 years of comparable experience, security tools experience, and active TS/SCI clearance with polygraph.
Windows, UNIX, ELK, Tripwire, VMware, Red Hat SELinux, Service Oriented Architecture (SOA)
1mo
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System Administrator 1- Enterprise Infrastructure Support
Annapolis Junction, Maryland, United States
$104k-$130k/yr OnsiteFull Time
5+ YOEActive TS/SCI with poly required, DoD 8570 IAM Level I, 5+ years system administration experience, proficiency with Linux/Unix/Windows, VMWare, certification/accreditation and risk assessment experience.
VMWare, Linux, Unix, Windows
3w
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Systems Administrator
Boston or Charlotte or Atlanta or Asheville or New York City or Westwood or McLean
$110k-$145k/yr HybridFull Time
Experience in systems administration or infrastructure engineering with Microsoft 365, Entra ID, Intune/Endpoint Manager, network infrastructure, security practices, and clear communication.
Microsoft 365, Entra ID, Intune, Endpoint Manager, Exchange Online, Teams, SharePoint, Box, Meraki, FortiGate, CodeTwo, PowerShell
2w
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Cloud Infrastructure Engineer
New York or New Jersey or Connecticut or Maryland or Virginia or Pennsylvania or Massachusetts or Rhode Island or Washington
$125k-$135k/yr RemoteFull Time
Requires 3–5 years in infrastructure, systems administration, or cloud operations; Azure, Windows Server, Microsoft 365, Entra ID, PowerShell, Jira, and DevSecOps experience. AZ-104 is a plus.
Microsoft Azure, Azure Update Manager, Microsoft Entra ID, Conditional Access, MFA, RBAC, Jira, Azure DevOps, PowerShell, Claude, Azure AI, Windows Server, Microsoft 365
1d
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Systems Administrator
Alexandria, Virginia, United States
$87k-$102k/yr OnsiteFull Time
5+ YOEAssociate's or bachelor's degree in IT, cybersecurity, or related field; 5+ years in systems administration, network engineering, or cybersecurity; enterprise infrastructure, Azure, SIEM, firewall, VPN, and Microsoft administration experience.
Windows Server, Active Directory, ADCS, Group Policy (GPO), DNS, DHCP, Microsoft Entra ID, Microsoft Azure, Azure Virtual Networks (VNets), Network Security Groups (NSGs), Site-to-Site VPNs, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Intune, SIEM, IIS, Apache, Nginx, PowerShell, Python, Linux, SQL Server, SCCM, AV/EDR/XDR
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