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Top Senior System Administrator Jobs

Reposted 15 Days AgoSaved
In-Office
North Las Vegas, NV, USA
Senior level
Senior level
Aerospace
The Senior Systems Administrator will manage secure IT environments, provide Tier III support, administer servers, ensure compliance, and automate tasks.
Top Skills: Active DirectoryAnsibleBashCiscoHyper-VJuniperLinuxPowershellRed Hat Enterprise LinuxVMwareWindows
Reposted 16 Days AgoSaved
In-Office
Little Ferry, NJ, USA
50K-70K Annually
Senior level
50K-70K Annually
Senior level
Digital Media
The Senior Systems Administrator provides technical support for end users, manages workstations, resolves Helpdesk tickets, and executes migration projects.
Top Skills: Active DirectoryAtlassian StackAzure AdCisco SwitchesDnsFirewallsIp NetworkingMicrosoft 365PowershellVMwareWindows 10Windows 11
Reposted 21 Days AgoSaved
Remote
USA
100K-130K Annually
Senior level
100K-130K Annually
Senior level
Insurance • Cybersecurity
Manage and maintain core systems, focusing on Google Cloud Platform, Zendesk, Okta, and device management, ensuring automation, security, and scalability while collaborating with engineering and security teams.
Top Skills: AWSBashGoogle App ScriptGoogle Cloud PlatformGoogle WorkspaceJAMFJavaScriptOktaPythonZendeskZsh
22 Days AgoSaved
In-Office
Annapolis Junction, MD, USA
Senior level
Senior level
Information Technology • Software • Automation
The Mid-Senior System Administrator will manage system administration for a complex network, maintain operational capabilities, and ensure security while troubleshooting and optimizing hardware and software performance.
Top Skills: 201620198Active DirectoryAnsibleApache TomcatIisLinuxMicrosoft-Based ServersNessusPuppetRed Hat 7SaltSolarwindsSplunkSQL ServerVMwareWindows 2019Windows Server 2012R2
Reposted 22 Days AgoSaved
Easy Apply
In-Office
Annapolis Junction, MD, USA
Easy Apply
190K-240K Annually
Senior level
190K-240K Annually
Senior level
Information Technology • Software • Consulting
The Senior System Administrator is responsible for maintaining and administering Windows and Linux server environments, providing IT support, and automating processes using AWS and scripting tools. Requires extensive experience in system administration and compliance with security protocols.
Top Skills: AnsibleAWSBashCloudFormationEc2LambdaLinuxPowershellPythonTerraformWindows Server
Reposted 23 Days AgoSaved
In-Office
Chantilly, VA, USA
Senior level
Senior level
Information Technology
As a Senior System Administrator, you will manage and maintain server operations, ensure security updates, and support application projects. Requires extensive server technology experience.
Top Skills: CloudCommercial Cloud Enterprise (C2E)LinuxMvsUnixWindows
Reposted 10 Days AgoSaved
Hybrid
Las Vegas, NV, USA
96K-177K Annually
Senior level
96K-177K Annually
Senior level
Gaming • Internet of Things • Machine Learning • Software
The Senior System Engineer will lead the design and implementation of scalable IT infrastructures, manage IAM solutions, assess systems, and improve efficiency and security of cloud operations.
Top Skills: Active DirectoryAWSAzureEntra IdGCPIntuneMicrosoft 365MimecastOktaVMwareWindows Server/Desktop
12 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 13 Days AgoSaved
Patuxent River Estates, MD, USA
87K-146K Annually
Senior level
87K-146K Annually
Senior level
Cloud • Information Technology
The Senior UNIX Administrator will maintain system integrity and security, support patching efforts, mentor junior staff, resolve technical issues, and lead operational continuity.
Top Skills: AnsibleAWSBashEc2ForemanIamLinuxRed Hat SatelliteRhel 8Rhel 9S3SolarisSsmUnixVpcYaml
Reposted 13 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
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Reposted 14 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 15 Days AgoSaved
In-Office
New York, NY, USA
81K-152K Annually
Senior level
81K-152K Annually
Senior level
Financial Services
The Senior IT Operations Specialist manages critical systems, ensures service levels, provides technical support, and mitigates operational issues using various IT tools and technologies.
Top Skills: AnsibleEsxiRed Hat LinuxVcenterVMware
Reposted 15 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 support product sustainment, systems evaluation, and network communications at Robins Air Force Base, requiring extensive RHEL experience and security clearances.
Top Skills: AWSMs AzurePuppet EnterpriseRed Hat Certified System AdministratorRhelSatelliteSecurity + Ce
21 Days AgoSaved
In-Office
Annapolis Junction, MD, USA
220K-260K Annually
Senior level
220K-260K Annually
Senior level
Information Technology • Software • Consulting • Cybersecurity
Lead and maintain dynamic DevOps architecture, focusing on network administration, security, compliance, and user support within a cybersecurity context.
Top Skills: AnsibleDevOpsDockerElastic SearchGitlabGrafanaLinuxMongoDBNginxOpenvasPrometheusRedhat SatelliteSelinux
21 Days AgoSaved
In-Office
Annapolis Junction, MD, USA
190K-220K Annually
Senior level
190K-220K Annually
Senior level
Information Technology • Software • Consulting • Cybersecurity
The Senior Linux System Administrator will manage Linux systems, utilize various technologies for infrastructure solutions, and ensure security compliance with a TS/SCI clearance.
Top Skills: AnsibleAzure Stack HciCentrifyCisco Hyperflex SystemsDatacore SansymphonyDell VxrailDockerHarvesterHpe SimplivityKubernetesLinuxNetapp HciNutanix HciProxmoxRancherScale Computing PlatformWindows
22 Days AgoSaved
Remote
US
Senior level
Senior level
Software
The Senior Salesforce Administrator will enhance the Salesforce platform by managing user setups, configurations, data quality, and ensuring system changes meet business needs while improving user adoption and support.
Top Skills: ApexExcelPower BISalesforceTableau
Reposted 22 Days AgoSaved
In-Office
White Sands, NM, USA
Senior level
Senior level
Information Technology • Consulting
The Windows System Administrator manages Windows-based systems, ensuring configuration and security compliance, system performance, and maintenance of backups, while collaborating with IT and Cybersecurity teams.
Top Skills: Active DirectoryGroup PolicyItilMecmMS OfficePowershellWindows Server
Reposted 22 Days AgoSaved
In-Office
Durham, NC, USA
Senior level
Senior level
Information Technology • Consulting
The Windows System Administrator will manage Windows environments, ensure system security, perform patching, scripting, and support compliance with DoD standards.
Top Skills: Active DirectoryGroup PolicyMecmMicrosoft Certified ProfessionalMicrosoft Certified Solutions AssociatePowershellSecurity Technical Implementation Guides (Stigs)Windows Server
Reposted 22 Days AgoSaved
In-Office
Adelphi, MD, USA
82K-138K Annually
Senior level
82K-138K Annually
Senior level
Information Technology • Consulting
The Windows System Administrator will manage Windows Server environments, conduct system maintenance, security audits, and collaborate with IT teams to enhance services and compliance.
Top Skills: Active DirectoryGroup PolicyItilMecmMicrosoft Server 2019PowershellServicenowStigsWindows 10Windows 11Windows Server
Reposted 22 Days AgoSaved
In-Office
Aberdeen Proving Ground, MD, USA
64K-108K Annually
Senior level
64K-108K Annually
Senior level
Information Technology • Consulting
The Linux System Administrator is responsible for installing, configuring, maintaining, and securing enterprise workstations and servers, ensuring compliance with DoD IT policies.
Top Skills: AnsibleKvmLinuxPuppetRed Hat Enterprise LinuxShell Scripting
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