49 it system administrator jobs at 36 companies in Montclair, VA

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IT Specialist / System Administrator
Silver Spring, Maryland, United States
$58k-$129k/yr HybridFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
Requires Public Trust clearance, mid-level Windows workstation/server administration, Active Directory, deployment services, hardware/software troubleshooting, ticket management, and Tier I/II support experience.
Microsoft Windows, Active Directory, Windows Deployment Services, Microsoft Windows Server
2d
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System Administrator Shift Lead (IT Operations)
Falls Church, Virginia, United States
$81k-$109k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
3+ YOE3+ years in system administration or IT operations; high school diploma; Windows, Linux, Cisco, virtualization, patch management, network security, and ServiceNow experience; active Secret clearance and DoD IAT Level II certification required.
Windows, Linux, Cisco, ServiceNow, Active Directory
1w
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Senior IT System Administrator - JWICS Support Modernization (MD, Aberdeen Proving)
Aberdeen or Huntsville or Fort Belvoir
OnsiteFull Time
Technology Automation & Management (TeAM)
Technology Automation & Management (TeAM): Provides IT and program management services to federal agencies.
Advanced JWICS systems administration, VTC/VoIP support, RMF/STIG security implementation, vulnerability remediation, and cybersecurity assessment support.
JWICS, VTC, VoIP, STIG, RMF
3mo
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IT ADMINISTRATOR
Anytown, District of Columbia, United States
$50k-$56k/yr RemoteFull Time
All Hands and Hearts
All Hands and Hearts: Provides volunteer-powered disaster relief and school reconstruction services worldwide.
Experience with cloud-based systems administration; high school diploma; Salesforce proficiency; Google Workspace; strong communication; ability to manage multiple tasks.
Salesforce, Google Workspace, Slack, Formstack, WordPress, Tableau, Google Analytics
19h
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System Administrator (IT Operations) Tues-Friday 10pm - 8am  
Falls Church, Virginia, United States
$72k-$98k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
3+ YOERequires 3+ years in system administration or IT operations, active Secret clearance, U.S. citizenship, Windows, Linux, Cisco, ServiceNow, virtualization, patch management, and network security experience.
Windows, Linux, Cisco, ServiceNow, Active Directory, ITIL Framework
1mo
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Lead IT Analyst/ System Administrator (DC, Washington)
Washington, District of Columbia, United States
$112k-$152k/yr OnsiteFull Time
Sawdey Solution Services
Sawdey Solution Services: Provides engineering and technical services to government and defense agencies.
8+ YOE8+ years supporting federal IT operations; bachelor\u0002s degree required; SQL and database management, report generation, security compliance, EMR not mentioned; Microsoft Office proficiency; US citizenship and background check required.
PRIMO, SQL, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Outlook
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IT Systems Administrator
Arlington, Virginia, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOERequires 7+ years in systems administration, Secret clearance, bachelor's degree, Linux or Windows, cloud providers, networking, cybersecurity, and SRG or STIG analysis experience.
Linux, Windows, AWS, Microsoft Azure, Google Cloud Platform (GCP), Ansible, Terraform, CloudFormation, Bash, Microsoft PowerShell, UML, SysML, SRG, STIG
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IT Systems Administrator
Arlington, Virginia, United States
$62k-$141k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years in systems administration; experience with SRG/STIG compliance, application deployment, Linux or Windows, cloud providers, networking, and cybersecurity. Bachelor's degree and Secret clearance required.
SRG, STIG, Linux, Windows, AWS, Azure, GCP, Ansible, Terraform, CloudFormation, Bash, PowerShell, UML, SysML
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FY27: IT System Administrator I, Department of Technology Support, 8 hrs/12 mos, Ad closes 8/14/26
Gaithersburg, Maryland, United States
$41-$60/hr OnsiteFull Time
Montgomery County Public Schools
Montgomery County Public Schools: Provides K-12 public education services in Montgomery County.
3+ YOEBachelor's degree in technology preferred and 3+ years as an IT systems administrator. Requires ITSM knowledge, troubleshooting, scripting, automation, and technical solution development; security certification preferred.
Information Technology Services Management (ITSM), ServiceNow, BMC Remedy, Cherwell, Configuration Management Database (CMDB), JavaScript, Python, SQL, HTML, CSS
1mo
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Senior IT Systems Administrator
Reston, Virginia, United States
$120k-$200k/yr HybridFull Time
Scout Space
Scout Space: Develops optical payloads and software for space domain awareness.
5+ YOE5+ years IT/systems administration experience, bachelor’s in IT/CS or equivalent, experience with MSPs, CMMC/NIST compliance, Windows/Linux administration, AWS and Azure, strong troubleshooting and communication skills.
AWS, Microsoft Azure/GCC High, Windows, Linux, CMMC, NIST 800-171, ISO27001
1mo
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IT - SYSTEM ENGINEER
Columbia, Maryland, United States
$33-$49/hr OnsiteFull Time
Columbia Association
Columbia Association: Manages recreational facilities and community services in Columbia, Maryland.
System administration and engineering for servers and infrastructure, Azure/AWS/cloud, virtualization, scripting, monitoring and security tools; strong Windows and networking skills; bachelor's degree preferred.
Azure, Amazon Web Services (AWS), VMWare, Tenable One, Action1, ADAudit Plus, KnowBe4, Cisco Meraki, 8 x8 VOIP Platform, Windows, Perl, Ruby, Python, shell scripts, Microsoft 365
2mo
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IT Support and System Administrator (USA)
Warrenton, Virginia, United States
OnsiteFull Time
DroneShield
DroneShieldAustralian Securities Exchange: DRO: Sells counter-drone hardware and AI-powered threat detection software.
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
3w
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IT Support and Systems Administrator
Culpeper, Virginia, United States
$80k-$88k/yr OnsiteFull Time
EURO-COMPOSITES
EURO-COMPOSITES: Manufacturer of high-performance composite honeycomb core and panel solutions.
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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Sr. IT Systems Administrator (Top Secret Clearance)
Washington, District of Columbia, United States
$95k-$150k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
4+ YOEActive Top Secret/TS-SCI clearance required, 4+ years systems administration experience, Windows Server/Active Directory, Kerberos, Linux, networking, PowerShell scripting, and experience with enterprise Exchange/SharePoint.
Windows Server 2012, Windows Server 2016, Active Directory, Kerberos, PowerShell, DHCP, DNS, IIS, Microsoft SQL Server, NPS, Microsoft Exchange, Microsoft SharePoint, IPv4
2mo
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IT Systems Administrator
Herndon, Virginia, United States
RemoteFull Time
Scalian
Scalian: Engineering consulting and digital transformation services for industrial sectors
3+ YOE3+ years IT support/systems administration experience; bachelor's in IT/CS or equivalent; experience with Jamf Pro, Apple Business Manager, Google Workspace, Slack, GitHub, Cloudflare; scripting (Bash, Python); IAM concepts (RBAC, SSO, MFA); exposure to ISO 27001/SOC 2/NIST.
Jamf Pro, Apple Business Manager, Google Workspace, Slack, GitHub, Cloudflare, Bash, Python, Git, ISO 27001, SOC 2, NIST, RBAC, SSO, MFA
1mo
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Principal IT Systems Administrator (Program Services)
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
8+ YOE8+ years supporting Windows and Linux IT systems in government program environments; familiarity with virtualization, networking, Active Directory, DHCP/DNS; ability to perform system hardening, patching, vulnerability remediation, and coordinate IT operations.
Windows, Linux, Microsoft Active Directory, DHCP, DNS, DISA STIGs, CIS Benchmarks, MFA, PKI, DLP, PowerShell, Python, BASH, Ansible, Splunk, Nessus, Rapid7, SIEM, NIST 800-53
1w
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Senior Windows IT Server Systems Administrator
Dahlgren, Virginia, United States
$55/hr OnsiteFull Time
The Tatitlek Corporation
The Tatitlek Corporation: Provider of government contracting, facility maintenance, and technology services.
6+ YOE6+ years system administration experience; DoD Secret clearance required; IAT Level 2 and OS certification (Unix/Linux or Windows) required; able to obtain SSBI; experience with UNIX/Linux/Windows administration.
UNIX, Linux, Redhat, Solaris, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, WSUS, GPOs, Windows Server, Windows Workstations
1d
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AMS Administrator/Systems & IT Technician
Washington, District of Columbia, United States
$80k-$98k/yr HybridFull Time
ICMA
ICMA: Association providing professional development and resources for local government.
5+ YOEBachelor's degree in technology-related field and 5+ years of IT support and association management systems experience. Requires SQL, NetForum Enterprise AMS, CMS, Microsoft 365, Windows, Teams, Zoom, and troubleshooting expertise.
NetForum, Microsoft Power BI, SQL, Content Management Systems (CMS), Microsoft Copilot, Windows, Microsoft 365, Microsoft Teams, Zoom, Microsoft Office
4w
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IT Associate
DC or United States
$72k-$81k/yr RemoteFull Time
Protect Democracy
Protect Democracy: Defends democratic institutions and the rule of law.
3+ YOE3+ years IT help-desk or systems administration experience; Google Workspace or Microsoft 365 administration; Apple device support and MDM; security-first mindset; strong interpersonal and multitasking skills; successful background check required.
Google Workspace, Microsoft 365, Mobile Device Management (MDM)
2mo
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IT Coordinator
Fort Smith or Fort Lauderdale or Lenexa or Mooresville or Naples or Raleigh or Sarasota or Tampa or Washington
OnsiteFull Time
Integrated Openings Solutions
Integrated Openings Solutions: Specialist in commercial door, hardware, and access control solutions.
5+ YOE5+ years IT experience, bachelor’s in IT/CS or equivalent, experience with MSP coordination, systems administration, Azure/Microsoft 365, networking, SharePoint, Intune, project oversight, and user support.
Windows, Azure, Microsoft 365, Microsoft SharePoint, Microsoft Power Automate, Microsoft Office Suite, Office 365, Jira Service Management, Microsoft Intune, Azure Virtual Desktop (AVD)