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Top Senior System Administrator Jobs

19 Days AgoSaved
In-Office
Lowell Junction, Andover, MA, USA
69K-131K Annually
Junior
69K-131K Annually
Junior
Aerospace • Industrial
The Senior System Administrator will manage IT systems in a mixed Windows and Linux environment, resolve technical issues, collaborate with teams, and maintain security requirements, ensuring systems operate securely and efficiently.
Top Skills: Active DirectoryComptia Security+Data RaidDhcpDnsExchangeMecmWindowsMicrosoft WsusNasRedhat Enterprise LinuxSanVMware
Reposted 20 Days AgoSaved
In-Office
Laurel, MD, USA
164K-420K Annually
Senior level
164K-420K Annually
Senior level
Information Technology • Security • Software
The Senior System Administrator supports CNO Capabilities, maintaining operational IT environments, managing hardware installations, and improving workflows.
Top Skills: AWSCloud IntegrationsHypervisorsLinuxNvidia GpusVirtualization Technologies
Reposted 21 Days AgoSaved
Hybrid
7 Locations
100K-125K Annually
Senior level
100K-125K Annually
Senior level
Financial Services
Lead administration and maintenance of Windows/Linux servers, virtualization, and network infrastructure. Manage Azure and Microsoft 365 (Exchange, SharePoint, Teams). Oversee endpoint and cloud security (CrowdStrike, Defender, Netskope), administer Okta, lead infrastructure projects, provide Tier 3 support, documentation, and mentor junior staff.
Top Skills: CrowdstrikeDnsExchangeFirewallsLinuxMicrosoft 365AzureMicrosoft DefenderMicrosoft TeamsNetskopeOktaSharepointVirtualization PlatformsVpnWindows
Reposted 15 Hours AgoSaved
In-Office
Adelphi, MD, USA
64K-108K Annually
Senior level
64K-108K Annually
Senior level
Information Technology • Consulting
The Linux System Administrator oversees installation, configuration, and maintenance of Linux systems, ensuring compliance with security policies and automating tasks using various tools.
Top Skills: AnsibleKvmLinuxPuppetRed Hat Enterprise VirtualizationRhelServicenowShell ScriptingStig
Reposted 15 Hours AgoSaved
In-Office
Adelphi, MD, USA
82K-138K Annually
Senior level
82K-138K Annually
Senior level
Information Technology • Consulting
The Windows System Administrator oversees Windows-based systems, manages servers, performs security configurations, and ensures system compliance and performance for a DoD environment.
Top Skills: Active DirectoryGroup PolicyMecmPowershellSecurity Technical Implementation GuidesServicenowWindows Server
Reposted 2 Days AgoSaved
In-Office
Columbus, OH, USA
Senior level
Senior level
Other
The Sr. JDE CNC System Administrator manages JD Edwards environments, oversees daily activities, ensures system security, and supports IT functions, providing technical leadership and collaboration with teams.
Top Skills: Jd Edwards EnterpriseoneLinuxOracle DatabaseOracle Weblogic ServerSQL ServerWindows
3 Days AgoSaved
In-Office
Aberdeen Proving Ground, MD, USA
83K-174K Annually
Senior level
83K-174K Annually
Senior level
Information Technology • Consulting • Defense
The Senior Cloud System Administrator is responsible for deploying and managing cloud infrastructure, enhancing stability and security, and supporting development operations via DevSecOps practices.
Top Skills: Agile MethodologiesAnsibleAzure CloudAzure DevopsBashCi/CdDisa StigsDockerGitlabInfrastructure As CodeJIRAKubernetesLinuxNexusPowershell DscPythonSonarqubeTerraformWindows AdministrationWindows Server
Reposted 25 Days AgoSaved
In-Office
Linthicum, MD, USA
Expert/Leader
Expert/Leader
Big Data • Software • Analytics
The Senior System Administrator will oversee the administration and security of Linux systems, manage updates, and ensure operational stability in cloud environments.
Top Skills: Amazon LinuxAWSAzureCentosDockerElasticsearchKubernetesLinuxNagiosNxlogPerlPythonRedhatSyslog
Reposted 3 Days AgoSaved
In-Office
San Jose, CA, USA
120K-150K Annually
Senior level
120K-150K Annually
Senior level
Automotive • Cloud • Software • Industrial • Manufacturing
Responsible for supporting ERP system users, troubleshooting issues, training, optimizing processes, and ensuring system efficiency and data integrity.
Top Skills: Ifs ErpMicrosoft Sql ServerOraclePower BISQL
Reposted 3 Days AgoSaved
In-Office
Warner Robins, GA, USA
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Security • Software
The Senior IT System Administrator will manage systems, ensuring effective communication, strong interpersonal skills, and minimal assistance while providing support on network communications and software applications.
Top Skills: AWSLinuxMs AzurePuppet EnterpriseRhel
Reposted 4 Days AgoSaved
In-Office
2 Locations
96K-182K Annually
Senior level
96K-182K Annually
Senior level
Aerospace • Industrial
The role involves system and network administration, implementation of IT solutions, and ensuring compliance with security protocols while maintaining critical services.
Top Skills: CitrixDhcpDnsGroup PolicyHyper-VLinuxPkiProxmoxSccmVMwareWindows
Reposted 4 Days AgoSaved
In-Office
Milford, IA, USA
Senior level
Senior level
Information Technology
Responsible for maintaining and supporting LAN/WAN networks, diagnosing issues, managing server infrastructures, and collaborating with customers to enhance IT environments.
Top Skills: DattoDkimDmarcDnsDnssecDockerEsxiEthernetHTTPHttpsHyper-VImapKubernetesMicrosoft Active DirectoryNas DevicesPop3PowershellProxmoxSmtpSnmpSpfVcenterVeeamVlansVMwareVpnsWindows Server 2025
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Reposted 4 Days AgoSaved
Hybrid
Dallas, TX, USA
Senior level
Senior level
HR Tech
The Senior NetSuite Administrator will lead NetSuite architecture and governance, optimize financial processes, ensure data integrity, and manage integrations with other systems while mentoring junior staff.
Top Skills: BillingplatformData WarehouseNetSuiteSalesforceSuiteanalyticsSuiteflowSuitescript
5 Days AgoSaved
In-Office or Remote
4 Locations
135K-175K Annually
Senior level
135K-175K Annually
Senior level
Greentech
Manage and optimize NetSuite ERP, integrate with SaaS applications, provide user support, and ensure data accuracy and system availability.
Top Skills: CeligoNetSuiteSQLSuiteanalyticsSuiteflowSuitescriptSuitetalk
Reposted 6 Days AgoSaved
In-Office
Independence, IN, USA
108K-205K Annually
Senior level
108K-205K Annually
Senior level
Aerospace • Industrial
The role involves managing backup and storage systems in a Microsoft Windows and Linux environment, ensuring data integrity and performing disaster recovery, alongside technical support and documentation.
Top Skills: Azure DevopsCifs/SmbCommvaultDockerFiber ChannelIscsiKubernetesWindowsNetbackupNfsOpenshiftRed Hat Enterprise LinuxScriptingVdiVeeamVmware VcenterVsphere
Reposted 6 Days AgoSaved
In-Office or Remote
Boston, MA, USA
Senior level
Senior level
HR Tech
As a Senior BillingPlatform System Administrator, you'll manage BillingPlatform software, support billing operations, and ensure data accuracy across systems like Salesforce and NetSuite.
Top Skills: BillingplatformNetSuiteSalesforceSQL
Reposted 6 Days AgoSaved
In-Office
Brea, CA, USA
110K-130K Annually
Senior level
110K-130K Annually
Senior level
Healthtech • Other • Software • Biotech
Support EPM to OneStream migration, maintain financial systems including data integrity checks, month-end close, compliance activities, and cross-functional collaboration.
Top Skills: EpmOnestreamOracle
Reposted 6 Days AgoSaved
In-Office
Brea, CA, USA
110K-130K Annually
Senior level
110K-130K Annually
Senior level
Healthtech
The Senior Financial Analyst - System Administrator supports the EPM to OneStream migration, maintains financial systems, executes data loads, and oversees compliance and controls activities.
Top Skills: EpmOnestreamOracle
Reposted 10 Days AgoSaved
In-Office
Annapolis, MD, USA
Senior level
Senior level
Information Technology • Software
Responsible for the administration of MS Windows Servers and VMware environments, troubleshooting issues, supporting users, and managing product lifecycles.
Top Skills: Active DirectoryDhcpDnsMs Windows Server 2008Ms Windows Server 2012SolarwindsVMware
Reposted 12 Days AgoSaved
In-Office
Aberdeen Proving Ground, MD, USA
64K-108K Annually
Senior level
64K-108K Annually
Senior level
Information Technology • Consulting
The MAC System Administrator will maintain macOS systems, manage updates, enforce security policies, and ensure compliance with DoD standards.
Top Skills: ApplescriptBashmacOSMS OfficeServicenow
Reposted 12 Days AgoSaved
In-Office
San Jose, CA, USA
120K-120K Annually
Senior level
120K-120K Annually
Senior level
Marketing Tech
As a Senior AWS DevOp and System Administrator, you'll design, deploy, and maintain reliable infrastructure on AWS, ensuring optimal performance and security while collaborating in an agile team.
Top Skills: AWSAws CloudwatchCloudFormationCodedeployCodepipelineDockerKubernetesMicrosoft Entra IdPowershellPythonSplunkTerraform
Reposted 12 Days AgoSaved
Hybrid
Boston, MA, USA
Senior level
Senior level
HR Tech
Lead NetSuite architecture, configuration, and governance to scale finance operations. Design and implement GL/AR/AP/FA/Revenue solutions, manage integrations (Salesforce, BillingPlatform, Snowflake), enforce change management, support SOX audits, automate processes, mentor admins, and drive roadmap for multi-entity subscription billing.
Top Skills: ArmBillingplatformNetSuiteOneworldSalesforceSnowflakeSuiteanalyticsSuitebillingSuiteflowSuitescript
Reposted 13 Days AgoSaved
In-Office
Irving, TX, USA
126K-189K Annually
Senior level
126K-189K Annually
Senior level
Fintech • Financial Services
The role involves expert-level support for Linux systems, troubleshooting, performance tuning, security hardening, and leading technical initiatives.
Top Skills: AnsibleAppdynamicsAWSChefDockerElkGCPGrafanaKibanaKubernetesLinuxOpenshiftPerlPHPPuppetPythonShellSplunkYaml
Reposted 14 Days AgoSaved
In-Office
Redstone Arsenal, AL, USA
Senior level
Senior level
Aerospace
Manage and support Linux systems in a lab environment, perform updates and configurations, support test events, and ensure cybersecurity compliance.
Top Skills: AnsibleCybersecurityLinuxNetworkingRhel 7Rhel 8Rhel 9
Reposted 15 Days AgoSaved
Hybrid
Dallas, TX, USA
Senior level
Senior level
HR Tech
The Senior BillingPlatform System Administrator will manage and optimize the BillingPlatform software, ensuring integration with Salesforce and NetSuite, and drive improvement initiatives in billing operations, compliance, and system enhancements.
Top Skills: BillingplatformNetSuiteSalesforceSQL
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