System Administrator jobs in United States

Explore 245 matching jobs.

The 20 MSP

System Administrator

The 20 MSP

Posted: 10/19/2026
AzureDNSVMware
Energy Trust of Oregon

Senior Cloud Systems Administrator

Energy Trust of Oregon

Posted: 10/20/2026
AzureCloud
ActioNet, Inc.

Senior DevSecOps Engineer, Linux Administrator

ActioNet, Inc.

Posted: 10/20/2026
AnsibleApacheAWSCloudDNSFirewallsLinuxNFSNGINX+4 more
ActioNet, Inc.

Senior DevSecOps Engineer, Linux Administrator

ActioNet, Inc.

Posted: 10/20/2026
AnsibleApacheAWSCloudDNSFirewallsLinuxNFSNGINX+4 more
OSC Global

System Administrator III – Kiteworks Admin

OSC Global

Posted: 10/19/2026
AzureCloudDNSTCP/IP
Committee to Protect Journalists

Senior Systems Administrator – Architect

Committee to Protect Journalists

Posted: 10/19/2026
CloudERPSQL
Penn Information Systems & Computing

Systems Administrator, SAS Computing

Penn Information Systems & Computing

Posted: 10/19/2026
AnsibleAWSCloudLinuxPythonSaltStack
SAIC

Principal System Administrator

SAIC

Posted: 10/19/2026
Cyber SecurityServiceNow
Mission Technologies, a division of HII

Linux Administrator

Mission Technologies, a division of HII

Posted: 10/19/2026
Cyber SecurityLinuxTypeScriptVMware
Benefit Harbor

ERP Benefits System Administrator

Benefit Harbor

Posted: 10/17/2026
ERP
Medely

IT Systems Administrator

Medely

Posted: 10/17/2026
MacOSVault
Saalex Corporation

Application/Systems Administrator

Saalex Corporation

Posted: 10/17/2026
AWSCloudJavaTypeScript
Stater Bros. Markets

Lead Systems Administrator

Stater Bros. Markets

Posted: 10/16/2026
AzureCloudDNSDockerKubernetesLinuxUnixVMware
Zantech

Senior Systems Administrator, Secret Cleared

Zantech

Posted: 10/16/2026
AzureLinuxPythonTFS
Amentum

IT Systems Administrator

Amentum

Posted: 10/16/2026
Cyber SecurityDNSPythonServiceNowSwitchingTCP/IPVMware
AT&T

Telephony Systems Administrator – SA1.5

AT&T

Posted: 10/16/2026
TypeScriptVoIP
AT&T

Systems Administrator – Government

AT&T

Posted: 10/16/2026
LinuxTypeScriptVMware
Benefit Harbor

ERP System Administrator

Benefit Harbor

Posted: 10/16/2026
ERP
Augusta, Georgia Government

Systems Administrator

Augusta, Georgia Government

Posted: 10/16/2026
CloudCyber SecurityFirewallsSwitching
SAIC

Junior OnBase System Administrator

SAIC

Posted: 10/16/2026
ITSMMS SQL ServerSQLUnity
The 20 MSP

System Administrator

The 20 MSP
Posted 10/20/2026full-timePortland • Oregon • United StatesMid-LevelSenior💰 $65,000 - $80,000 per yearWebsite
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Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in IT administration, including support for Microsoft technologies, virtualization, and complex networking environments. Proven ability to troubleshoot, document, and implement IT solutions while leading helpdesk support efforts.

Highest-signal resume keywords
Microsoft Technologies SupportActive Directory ManagementMicrosoft 365 AdministrationVirtualization TechnologiesIT Administration Experience

Tech Stack

Tools & technologies
AzureDNSVMware

About the role

Key responsibilities & impact
  • Maintain, configure, and ensure reliable operation of computer systems, network servers, workstations, and networking equipment
  • Install and upgrade computer components and software
  • Troubleshoot hardware and software errors using diagnostics; document problems and resolutions, prioritize problems, and assess issue impact
  • Provide documentation and technical specifications to the Project Team and Manager for planning and implementing new or upgraded IT infrastructure
  • Lead desktop and helpdesk support efforts and resolve application, workstation, and related equipment problems promptly with limited disruption
  • Travel onsite to client locations as necessary to provide hands-on technical support, troubleshoot issues, and implement solutions ensuring service continuity

Requirements

What you’ll need
  • Support for Microsoft technologies, including Windows Servers (FSMO, DNS, DHCP, etc.)
  • Experience with Active Directory and Azure AD
  • Microsoft 365 administration, including Exchange, SharePoint, OneDrive, and Teams Online
  • Intune management
  • Virtualization technologies, including VMware and Hyper-V
  • Firewall management and troubleshooting
  • Knowledge and experience with complex networking environments
  • Deep understanding of Active Directory, Group Policy, and file sharing
  • Experience with all modern operating systems
  • Experience with documentation platforms such as IT Glue
  • Experience with Kaseya BMS and VSA
  • Associate or Bachelor's degree in Computer Science, Information Technology, System Administration, or a closely related field, or equivalent experience required
  • 4-6 years of IT administration experience
  • Working knowledge of virtualization, VMware, Hyper-V, or equivalent
  • Strong knowledge of systems and networking software, hardware, and networking protocols
  • Experience with scripting and automation tools
  • Proven track record of developing and implementing IT strategy and plans
  • Strong knowledge of implementing and effectively developing helpdesk and IT operations best practices, including expert knowledge of security, storage, data protection, and disaster recovery protocols
  • System administration and IT certifications in Microsoft or other network-related fields are a plus
  • May require travel dependent on company needs
  • Occasional need to lift and/or move up to 30 pounds

Benefits

Comp & perks
  • Comprehensive benefits, including medical, dental, vision, supplemental coverage, plus HSA/FSA options
  • Competitive 401(k) participation with up to 4% contribution match
  • Certification reimbursement to support your continued development
  • Meaningful opportunities for advancement within a growing organization
  • A culture built on drive, accountability, collaboration, and excellence

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Windows Server AdministrationTroubleshooting Hardware and SoftwareScripting and Automation ToolsFirewall ManagementNetworking Protocols KnowledgeSystem AdministrationDocumentation PlatformsHelpdesk Operations Best PracticesData Protection ProtocolsDisaster Recovery Protocols
Soft Skills
Problem-SolvingCommunicationLeadership
Tools & Technologies
VMwareHyper-VIntuneKaseya BMSKaseya VSAIT GlueMicrosoft TeamsExchangeSharePointOneDrive
Certifications & Qualifications
Microsoft CertificationsIT Certifications in Networking
Industry Keywords
IT InfrastructureSystem AdministrationNetworking EnvironmentsService ContinuityClient Technical Support