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Top Senior System Administrator Jobs

10 Hours Ago
Easy Apply
Hybrid
Coppell, TX, USA
Easy Apply
Senior level
Senior level
Artificial Intelligence • eCommerce • Information Technology • Mobile • Payments • App development • Utilities
The Senior System Administrator will manage KUBRA’s PCI production environments, focus on uptime, participate in on-call rotations, and improve cloud and automation solutions.
Top Skills: Active DirectoryAWSAzureCiscoDnsHyper VPuppetSmtpTerraformVMware
6 Days Ago
Easy Apply
Hybrid
Tempe, AZ, USA
Easy Apply
Expert/Leader
Expert/Leader
Artificial Intelligence • eCommerce • Information Technology • Mobile • Payments • App development • Utilities
The Senior System Administrator supports PCI production environments, manages server infrastructure, participates in DevOps planning, and leads on-call rotations for production issues.
Top Skills: Active DirectoryAWSAzureDhcpDnsHyper VIisPuppetSftpSmtpSnmpTerraformVMwareWmi
9 Days Ago
Remote
United States
108K-128K Annually
Senior level
108K-128K Annually
Senior level
Internet of Things • Cybersecurity • Defense
The Senior System Administrator will manage system infrastructure, ensuring proper configuration and security, while collaborating with a talented engineering team in a remote environment.
Top Skills: AWSAzureDockerGitGithub ActionsHypervIptablesJenkinsLinux DebianNginxNode.jsOpenstackPythonRhelShellSQLTerraformTypescriptUbuntuVirtualboxVMwareWindows 2012Windows 2022Wsus
17 Days Ago
Hybrid
Huntsville, AL, USA
86K-147K Annually
Senior level
86K-147K Annually
Senior level
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
The Senior System Administrator will design, implement, and manage lab infrastructure, primarily focusing on Linux and Windows systems, ensuring customer requirements are met while providing troubleshooting and support.
Top Skills: Active DirectoryCentosClearcaseEsxiLdapLinuxNetapp ManagementRed Hat Enterprise LinuxSubversionTcp/IpVcenterVsphereWindows
Reposted Yesterday
Baltimore, MD, USA
Senior level
Senior level
Information Technology • Professional Services • Security
Support the design, configuration, and deployment of Windows Server environments; manage server virtualization, implement disaster recovery strategies, and automate server administration.
Top Skills: Hyper-VPowershellSystem CenterWindows Server 2008Windows Server 2012
Reposted Yesterday
Baltimore, MD, USA
Senior level
Senior level
Information Technology • Professional Services • Security
The Senior System Administrator will design, configure, and deploy Windows Server environments, manage virtualization, and ensure high availability while maintaining documentation and communication with non-technical users.
Top Skills: Data Protection ManagerHyper-VSystem CenterVirtual Machine ManagerWindows PowershellWindows Server 2008Windows Server 2012
Yesterday
Dahlgren, VA, USA
Senior level
Senior level
Information Technology
The Senior System Administrator will provide combat system simulation support, maintaining network infrastructure and ensuring compliance with security guidelines.
Top Skills: CiscoLinuxWindows
Reposted Yesterday
White Sands, NM, USA
Senior level
Senior level
Professional Services
The Senior System Administrator will manage and troubleshoot IT systems, provide user support, ensure network security, and maintain servers and workstations.
Top Skills: BatchComptia Security+IvantiMecm AdrPdqPowershellShavalikWindows 10 OsWindows Server 2012R2-2019Wsus

Featured Jobs

3 Days Ago
Glendale, CA, USA
130K-145K Annually
Senior level
130K-145K Annually
Senior level
Artificial Intelligence • Healthtech • Information Technology • Machine Learning • Natural Language Processing • Software • Analytics
The Senior System Administrator will manage IT infrastructure, including Windows OS, Azure services, and networking, ensuring performance and security compliance.
Top Skills: Active DirectoryAzure AdDhcpDnsFirewallsMicrosoft IntuneOffice 365PowershellVlansVpnWindows 10Windows 11Windows Server
8 Days Ago
San Antonio, TX, USA
Expert/Leader
Expert/Leader
Software • Cybersecurity
The Senior System Administrator will analyze and resolve complex issues with servers and software, manage operating systems, and ensure network integrity.
Top Skills: LinuxRedhatUnixVMwareWindows
Reposted 5 Days Ago
Los Angeles, CA, USA
Senior level
Senior level
Information Technology • Robotics • Software • Database • Analytics • Biotech
The Sr System Administrator/IT Manager leads IT development and operations, ensuring stability and security of IT infrastructure while collaborating with business leaders and project teams.
Top Skills: Cloud ComputingData ManagementHigh-Level Programming LanguagesIt SecurityLinuxmacOSNetworkingWindows
Senior level
Information Technology • Software
The Senior System Administrator oversees mainframe applications, manages legacy system transitions, maintains data integrity, and supports new system feature development while ensuring operational performance for users.
Top Skills: AdabasCicsCobolDynamics 365GitIbmJclAzureMicrosoft Visual StudioNaturalSQL ServerTsoUc4Vsam
7 Days Ago
3 Locations
90K-162K Annually
Senior level
90K-162K Annually
Senior level
Information Technology • Software
The Senior Systems Administrator oversees the organization's computer systems and networks, resolves technical issues, implements security measures, and mentors junior staff.
Top Skills: Cisco EquipmentExchangeFile ServersHorizon ViewLinuxMdm ManagementMicrosoft Active DirectoryPkiSharepointVmware Datacenter
Reposted 8 Days Ago
Rochelle Park, NJ, USA
Senior level
Senior level
Information Technology
The Senior System Administrator will manage IT systems, provide client support, configure networks and servers, and troubleshoot issues.
Top Skills: Active DirectoryArpAzureDhcpDnsHyper-VNatOffice 365TcpVlanVmware EsxVpnWindows
9 Days Ago
Boston, MA, USA
Expert/Leader
Expert/Leader
Fashion
The Senior System Administrator will lead IT infrastructure strategy, ensuring secure, scalable systems and overseeing cloud and enterprise applications to align with company growth and cybersecurity strategies.
Top Skills: AWSAzureCisco MerakiDatadomeGoogle WorkspaceKubernetesM365MimecastSentineloneZscaler
11 Days Ago
Chantilly, VA, USA
Senior level
Senior level
Information Technology
The Senior System Administrator will manage, configure, and maintain servers, perform OS updates, and ensure security compliance in an Agile team environment.
Top Skills: CloudCommercial Cloud Enterprise (C2E)LinuxMvsUnixWindows
13 Days Ago
Boston, MA, USA
Senior level
Senior level
Financial Services
The Senior System Administrator will manage and support IT systems, ensure availability and stability, document workflows, and lead a technical support team.
Top Skills: Cisco ServersDell ServersEmc HardwareHp ServersMicrosoft Active DirectoryMicrosoft ExchangeWindowsRubrikVMwareVmware Horizon
14 Days Ago
2 Locations
90K-162K Annually
Senior level
90K-162K Annually
Senior level
Information Technology • Software
Senior Systems Engineer responsible for engineering, maintaining, and securing Windows infrastructure systems, troubleshooting complex issues, and ensuring compliance with security standards.
Top Skills: Active DirectoryAto/A&A SubmissionCybersecurity DesignGrafanaIbm BigfixItilMcafee EpoNist StandardsPowershellPrometheusPurestoragePythonSplunkSQL ServerStigsVcenterVirtual MachinesVsphere EsxiWindows Systems Administration
14 Days Ago
3 Locations
90K-162K Annually
Senior level
90K-162K Annually
Senior level
Information Technology • Software
The Senior Systems Administrator oversees the maintenance of computer systems and networks, resolves technical issues, implements security measures, and mentors junior staff.
Top Skills: CiscoExchangeFile ServersLinuxMdm ManagementMicrosoft Active DirectoryPkiSharepointVMware
17 Days Ago
Dahlgren, VA, USA
Senior level
Senior level
Security • Cybersecurity
The Senior Linux System Administrator will provide IT and software testing support, manage user needs, perform upgrades, and collaborate with engineers to facilitate software development and research.
Top Skills: Comptia Security+LinuxWindows
Reposted 20 Days Ago
Boston, MA, USA
Senior level
Senior level
Consulting
The Senior System Administrator will support server and desktop OS, manage storage and virtualization, configure server hardware, and mentor team members.
Top Skills: BesCelerraCenteraData Domain)Emc (UnisphereEmc AvamarExchange 2010Microsoft Windows 2000Microsoft Windows 2003R2Microsoft Windows 2008R2Microsoft Windows 2012R2ProofpointSccmSun Storagetek SanSymantec Backup ExecSymantec Endpoint Anti-VirusVmware EsxVnxWindows 7Windows Xp
22 Days Ago
Atlanta, GA, USA
Senior level
Senior level
Software • Business Intelligence
The Senior System Administrator oversees IT infrastructure, managing user onboarding/offboarding, device management, troubleshooting application issues, and leading IT projects.
Top Skills: CrowdstrikeEntraGoogle WorkspaceJAMFMicrosoft 365Microsoft IntuneSharepointTeams
Reposted Yesterday
Grand Rapids, MI, USA
Mid level
Mid level
Other
The role focuses on maintaining and optimizing SAP B1 systems, improving processes, documenting workflows, and integrating with other business applications.
Top Skills: Blue Ridge Mrp SystemCrystal ReportsEdiLisa Warehouse Management SystemSalesforceSap Business OneSQLTableau
Reposted Yesterday
San Jose, CA, USA
Senior level
Senior level
Marketing Tech
The position requires designing, deploying, and maintaining AWS infrastructure, utilizing DevOps methodologies, managing system administration tasks, and optimizing cloud resources for a SaaS platform.
Top Skills: AWSAws Machine LearningAzure Active DirectoryCloudFormationCodedeployCodepipelineDockerDynamoDBEc2EcsKubernetesLambdaPowershellPythonRdsS3Terraform
7 Days Ago
Remote
USA
Senior level
Senior level
eCommerce • Retail • Software • Automation
The Sr. IT System Administrator provides comprehensive technical support services, maintains systems, handles IT-related inventory, and manages vendors while enhancing system operations and troubleshooting IT issues.
Top Skills: Azure Active DirectoryBashCisco NetworkingIntuneJAMFLinuxMicrosoft Sql ServerO365PowershellPythonWindows Server

Top Companies Hiring Senior System Administrators

See All
OBXtek Thumbnail
Security • Professional Services • Information Technology
McLean, VA
378 Employees
SimIS Inc. Thumbnail
Information Technology
2 Offices
67 Employees
KUBRA Thumbnail
Utilities • Payments • Mobile • Information Technology • eCommerce • Artificial Intelligence • App development
4 Offices
600 Employees
HexArmor Thumbnail
Other
Grand Rapids, MI
172 Employees
H2 Performance Consulting Corporation Thumbnail
Professional Services
Pensacola, FL
41 Employees
eTrigue Thumbnail
Marketing Tech
San Jose, CA
4 Employees
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