153 infrastructure administrator jobs at 96 companies in Pasadena, MD
1mo
Save
Mark Applied
Hide
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)
1mo
Save
Mark Applied
Hide
Network & Infrastructure Administrator
Chantilly or Washington
OnsiteFull Time
3+ YOEMinimum 3 years of hands-on IT infrastructure experience; Associate's in IT/CS/Information Systems (or equivalent experience); experience with Aruba CX/ClearPass, Forcepoint, TCP/IP, VLANs, routing, VPN, Microsoft Windows Server/Active Directory, VMware/Hyper-V, Veeam, SAN/NAS, and Microsoft SQL Server.
Aruba CX Switching, Aruba ClearPass, Forcepoint Firewalls, TCP/IP, VLANs, Routing & Switching, VPN, Structured Cabling, Fiber Optics, Microsoft Windows Server, Microsoft Active Directory, DNS, DHCP, Group Policy, PowerShell, VMware vSphere, Microsoft Hyper-V, Proxmox, Veeam, SAN, NAS, Microsoft SQL Server
3d
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
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)
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Systems Administrator [Full Scope Polygraph]
Annapolis Junction, Maryland, United States
$100k-$150k/yr OnsiteFull Time
10+ YOETen years of Systems Administrator experience in similar programs; TS/SCI with Full Scope Polygraph; Bachelor’s degree in a technical field; strong UNIX/Windows and IT infrastructure skills.
UNIX, Windows, IT infrastructure, Troubleshooting, Network components
1w
Save
Mark Applied
Hide
Systems & Infrastructure Administrators
Arlington, Virginia, United States
$130k-$170k/yr HybridFull Time
4+ YOEBachelor's in IT/engineering or equivalent, 4+ years administering enterprise IT (servers, storage, networks, virtualization/cloud), troubleshooting multi-tier apps, change/configuration management, and active Secret clearance.
APACS
2w
Save
Mark Applied
Hide
Infrastructure Engineer
Sterling, Virginia, United States
OnsiteFull Time
5+ YOEDoD TS/SCI required, CompTIA Security+ required, 5+ years in network engineering and systems administration, strong Linux and virtualization experience, Cisco networking skills, ability to troubleshoot across layers.
Docker, Kubernetes, RHEL, CentOS, Ubuntu, Bash, Python, Ansible, Puppet, SolarWinds, Nagios, Zabbix, AWS, Azure, GCP, SNMP, Cisco
5d
Save
Mark Applied
Hide
Database Administrator
Silver Spring, Maryland, United States
$108k-$177k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of database administration; Microsoft SQL Server, Azure SQL, PostgreSQL and/or MySQL; scripting; hybrid infrastructure; eligibility for Public Trust High.
Microsoft SQL Server, Microsoft Azure, Azure SQL, Azure SQL Managed Instance, Azure Database for PostgreSQL, Azure Database for MySQL, PostgreSQL, MySQL, PowerShell, Python, Bash, SQL, Microsoft Azure DevOps
3mo
Save
Mark Applied
Hide
System Administrator Level 2 (Infrastructure and Sustainment Support) - MD
Annapolis Junction, Maryland, United States
$152k/yr OnsiteFull Time
5+ YOE5+ years system administration experience, active TS/SCI with polygraph, US citizenship, IAT Level II, bachelor's in technical discipline, Linux/Windows administration, HPC and networking knowledge.
RHEL, CentOS, Rocky, SLES, Ubuntu, BASH, InfiniBand, Slingshot, Jira, Confluence, Grafana, Prometheus, Nagios, Slurm, git, Salt, Ansible
6d
Save
Mark Applied
Hide
Virtualization Administrator
Alexandria, Virginia, United States
HybridFull Time
5+ YOEBachelor's degree or equivalent experience, 5–7 years leading virtualization administration, VMware or Hyper-V expertise, and experience with Azure automation, PowerShell, Infrastructure as Code, APIs, and CI/CD pipelines.
VMware, AWS, Microsoft Azure, Hyper-V, vSphere, Azure DevOps, Azure Automation, Azure CLI, PowerShell, VMware PowerCLI, Terraform, Infrastructure as Code, CI/CD
Explore Jobs