57 security administrator jobs at 37 companies in Strasburg, VA
2mo
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Security/Systems Administrator
Sterling, Virginia, United States
OnsiteFull Time
TS/SCI with Polygraph required Day 1; support CSP CDS environments; change control, access management, security monitoring, auditing, and accreditation activities.
2w
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Systems Administrator
Sterling or Chantilly
$90k-$190k/yr OnsiteFull Time
7+ YOETS/SCI with Polygraph, CompTIA Security+, bachelor's degree, 7+ years systems engineering/administration experience, Windows Server, virtualization (VMware/Hyper-V/Nutanix), Active Directory, vulnerability remediation with Nessus.
Microsoft Windows Server, VMware, Hyper-V, Nutanix, Microsoft Exchange, Microsoft SQL Server, Skype for Business, Jira, Confluence, Nessus, Pure Storage, Dell PowerVault, Synology, RSA, CyberArk, Active Directory, DNS, DHCP, Group Policy, Microsoft SharePoint Server, MECM, SCCM, McAfee, Trellix, Nakivo, Commvault
2w
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Systems Administrator
Sterling or Chantilly
$90k-$190k/yr OnsiteFull Time
7+ YOETop Secret/SCI w/ Polygraph required, CompTIA Security+, 7+ years systems engineering/administration experience managing Windows Server, virtualization (VMware/Hyper-V/Nutanix), AD, and vulnerability remediation (Nessus).
Microsoft Windows Server, VMware, Hyper-V, Nutanix, Microsoft Exchange, Microsoft SQL Server, Skype for Business, Jira, Confluence, Nessus, Pure Storage, Dell PowerVault, Synology, RSA, CyberArk, Active Directory, DNS, DHCP, Group Policy, Microsoft SharePoint Server, Microsoft MECM/SCCM, McAfee, Trellix, Nakivo, Commvault
3w
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System Administrator, Senior
Winchester, Virginia, United States
$62k-$141k/yr OnsiteFull Time
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux administration, virtualization, networking/security, backup and DR, scripting (PowerShell/Bash/Python), Top Secret clearance, HS diploma/GED.
AWS, Azure, Google Cloud, Windows, Linux, VMware, Hyper-V, Docker, Kubernetes, PowerShell, Bash, Python
2w
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Security Associate
Sterling, Virginia, United States
$60k-$65k/yr OnsiteFull Time
0+ YOEEntry-level security role supporting industrial security administration, personnel security, records maintenance, compliance, and access control; eligible for Secret clearance and proficiency with Microsoft Office and personnel security systems required.
DISS, NBIS, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
6d
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Systems Administrator Journeyman
Alexandria or Kearneysville
$74k-$120k/yr HybridFull Time, Contract
CyKor: Provides IT modernization and cybersecurity solutions for federal agencies.
3+ YOERequires 3–5+ years of systems administration experience, Windows Server and/or Linux expertise, enterprise networking knowledge, classified-environment experience, active Secret clearance, and Security+ CE or equivalent preferred.
Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, TCP/IP, VMware, Cisco, Cisco ISE, PowerShell, Bash, SIPRNet, DISA STIGs, Comply-to-Connect (C2C), PKI, CAC
2mo
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Security Officer - Entry Level
Manassas or Gainesville or Haymarket
$20/hr OnsiteFull Time
Entry-level security role; high school diploma or GED; weekend availability; clear background check; English proficiency.
2w
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Network Administrator
Ashburn, Virginia, United States
OnsiteFull Time
Hands-on experience administering enterprise firewalls, core network infrastructure, VPNs, switches/routers, and Windows systems; strong problem-solving and communication; eligible for U.S. security clearance.
Microsoft, VPN
6d
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Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
11+ YOEActive TS/SCI with polygraph, bachelor's degree, and 11–15 years of relevant experience. Requires Linux, Bash, AWS, cloud infrastructure, security accreditation, DevOps, and on-call support experience.
Linux, Bash, Amazon Web Services, Elasticsearch, Logstash, Kibana, Beats, AWS Console, AWS CLI, GitHub, Jenkins, Puppet, Docker, Rundeck, LDAP
2mo
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Linux System Administrator
Kearneysville, West Virginia, United States
RemoteFull Time
5+ YOE5+ years Linux administration (RHEL) in enterprise environments, VMware vSphere, Ansible, scripting (Bash/Python), CompTIA Security+, experience with system hardening, patching, and federal compliance (DISA STIGs); Secret clearance required.
Red Hat Enterprise Linux (RHEL), VMware vSphere (ESXi/vCenter), BMC TrueSight Server Automation (TSSA), Ansible, DISA STIGs, Bash, Python, Docker, Kubernetes
2w
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Senior Linux Systems Administrator
Washington or Sterling
$104k-$166k/yr RemoteFull Time
5+ YOEActive U.S. citizenship and Secret clearance, 5+ years in large multi-site Linux administration, proficiency with RHEL/Oracle Linux, automation (Ansible/AAP/Puppet), troubleshooting, and security remediation.
Red Hat, Oracle Linux, AAP, Satellite, Puppet, Ansible, vCenter, VMware vSphere, Apache HTTP Server, Openshift 4.x, AD/LDAP, CI/CD, Certificates, SSL/TLS, Oracle, MySQL, PostgreSQL
1mo
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IT Network Administrator
McGaheysville, Virginia, United States
$29/hr OnsiteFull Time
5+ YOEMaintain and support network and data center systems; troubleshoot LAN/WAN, firewalls, switches, and routers; design and document network segments; perform security monitoring. Requires minimum 5 years networking experience.
Microsoft Office, Windows Server, Office 365, Azure, Exchange, Active Directory
1mo
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RHEL Systems Administrator
Warrenton or Fort Washington
$108k-$179k/yr OnsiteFull Time
3+ YOEExperience administering RHEL in cloud environments, VDI/virtual desktop management, JIRA/Agile backlog management, security scanning/patching for ATO, and IAT Level II certification.
RHEL, AWS, EC2, docker, Cameo NoMagic, XRDP, sessman, JIRA, Ansible, Puppet, Bash, Python, Perl, VDI
1mo
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Database Administrator 5 (Database Administrator 1st Shift, Mon - Friday)
Martinsburg, West Virginia, United States
$125k-$199k/yr OnsiteFull Time
12+ YOEBachelor's degree in computer science/engineering with 12 years' experience (or 8 additional years may substitute); ability to administer and harden MSSQL 2022, automate with PowerShell, configure high-availability and security, administer MongoDB, pass a Tier 2 background investigation, and obtain an industry SQL certification within six months.
MSSQL 2022, SQL Agent, SSIS, Power Shell, MongoDB
1w
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Systems Administrator / Helpdesk Support
Chantilly, Virginia, United States
$112k-$179k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with polygraph, DoD 8570/8140-compliant certification (e.g., Security+), 5+ years' experience with BS/BA (3 with MS), Windows/Linux and Active Directory knowledge, ticketing/ITSM experience, strong customer service and problem-solving skills.
Windows, Linux, Active Directory, ticketing systems, AWS GovCloud, Azure Government, RMF, NIST 800-53, AI/ML
2mo
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DS Windows System Administrator
Chantilly, Virginia, United States
OnsiteFull Time
7+ YOE7+ years of Windows systems experience; Active Directory, scripting; patch management; enterprise security.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange, Outlook, Symantec, McAfee, VMware, LAN/TCP-IP, Cisco networking
3w
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IT Support and Systems Administrator
Culpeper, Virginia, United States
$80k-$88k/yr OnsiteFull Time
5+ YOE5+ years system administration experience managing Windows servers, networks, endpoints, Exchange, Active Directory, SharePoint, and production-connected systems; strong troubleshooting and security fundamentals; MS SQL knowledge advantageous.
Windows Server, Active Directory, Microsoft Exchange, Microsoft SharePoint, Windows 11, Microsoft 365 (O365), MS SQL, HP, Fortinet, TCP/IP, VPN, IPSec, WiFi, SSL, PBX
1mo
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Microsoft Exchange Online Administrator
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's or equivalent, 3+ years administering Microsoft Exchange Online/Server, strong Microsoft 365 and PowerShell skills, email security and migration experience, excellent communication.
Microsoft Exchange Online, Microsoft Exchange Server, Microsoft 365, PowerShell, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive
1w
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Senior DevOps / System Administrator
Sterling, Virginia, United States
$130k-$225k/yr OnsiteFull Time
3+ YOE3+ years DevSecOps experience, 4+ years CI/CD pipeline development, experience with GitLab/Jenkins, SAST/DAST integration, Ansible/PowerShell, cloud/on-prem CI/CD, and DoD security controls; Top-Secret/SCI required.
GitLab, Git, Jenkins, Docker, Kubernetes, Terraform, Ansible, PowerShell, Bash, Python, Java, React
2mo
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IT Support and System Administrator (USA)
Warrenton, Virginia, United States
OnsiteFull Time
Provide end-user IT support, provision workstations, implement/configure hardware and software, troubleshoot ICT/AV issues, manage helpdesk tickets, and apply security practices; expertise in Microsoft Entra ID, Microsoft Intune, PowerShell, and Bash preferred.
Microsoft Entra ID, Microsoft Intune, CMMC, Windows, macOS, Linux, PowerShell, Bash
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