50 linux administrator jobs at 33 companies in Winter Haven, FL

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Linux Systems Administrator
Tampa, Florida, United States
$98k-$133k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
3+ YOETS/SCI clearance required, 3+ years Linux systems administration experience, DoD 8140/8570 or CompTIA Security+ CE, proficiency with Red Hat/CentOS and Linux services, strong troubleshooting and documentation skills.
Red Hat, CentOS, Apache, Nginx, DNS, DHCP, LDAP, SSL/TLS
2d
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Linux Systems Administrator
Tampa, Florida, United States
$98k-$133k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
3+ YOEUS citizen with TS/SCI clearance, 3+ years Linux systems administration experience, DoD 8140/8570 (CompTIA Security+ CE), Red Hat/CentOS administration, patching, security hardening, and strong troubleshooting and documentation skills.
Red Hat, CentOS, Apache, Nginx, DNS, DHCP, LDAP, SSL/TLS
2mo
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Application Administrator- Linux
Tampa or United States
RemoteFull Time
Lucayan Technology Solutions
Lucayan Technology Solutions: A provider of secure technology and intelligence services supporting national defense and government missions.
5+ YOEUS citizenship and minimum T3 security suitability; 5+ years Linux/RHEL application administration; RHCE or bachelor\u0002s degree preferred; expertise with Apache, Tomcat, LDAP and STIG compliance; on-call availability.
RHEL, Apache, Tomcat, LDAP, Oracle Unified Directory, Red Hat SSOM, Splunk, Oracle Cloud Infrastructure (OCI), AWS, Microsoft Azure
2mo
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Linux Engineer
Lakeland, Florida, United States
HybridFull Time
Raye IT Consulting
Raye IT Consulting: Provides IT consulting and program management for government agencies.
5+ YOEBachelor’s degree in IT-related field; 5+ years systems administration; strong Linux, VMware ESXi/vSphere experience; Agile experience; Security clearance Public Trust.
Linux (RHEL 7, RHEL 8), VMware ESXi, VMware vSphere, Red Hat Satellite, BigFix, Python, Perl, Java, C, ServiceNow
2mo
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RED HAT LINUX ENGINEER
Orlando, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: N/A
5+ YOEBachelor's degree in Computer Science or related field; 5+ years Linux administration; Red Hat Enterprise Linux experience; networking/storage knowledge; strong troubleshooting and communication.
Red Hat Enterprise Linux, Linux, Networking, Storage, Documentation tools
2mo
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System Administrator
Kissimmee, Florida, United States
HybridFull Time
Maverc Technologies
Maverc Technologies: Provides managed cybersecurity and IT services for organizations.
3+ YOE3–5 years in system/network administration; Windows/Linux; virtualization; security controls; SIEM; AD/GP DNS DHCP; CCNA/Security+/CMMC-CCA/CCP or CISSP; U.S. citizenship for DoD work.
Windows Server, Linux, virtualization (VMware/Hyper-V), Microsoft 365, SIEM, endpoint protection, vulnerability scanning, Active Directory, DNS, DHCP, PowerShell, Bash
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System Administrator
Tampa, Florida, United States
OnsiteFull Time
By Light Professional IT Services
By Light Professional IT Services: Provides IT systems engineering and cybersecurity solutions for federal agencies.
4+ YOEBachelor's degree with 4+ years experience or equivalent; DoD 8140 IAT Level II certification (e.g., CompTIA Security+ce, CCNA Security, CySA+); virtualization/Linux/Microsoft certifications preferred; active Secret clearance required; RMF and server administration experience.
Linux, Microsoft Server, Microsoft Domain Controller, Microsoft Exchange, VMware vCenter, VIEW VDI, VMware Horizon View, SCCM Systems Manager, ESXi, VMware vSphere, SAN, NAS, Active Directory Certificate Services (ADCS), IIS, Risk Management Framework (RMF)
3w
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Systems Administrator III
Orlando, Florida, United States
$97k-$120k/yr OnsiteFull Time
The DiSTI Corporation
The DiSTI Corporation: Provider of 3D virtual training and GUI software.
5+ YOE5+ years Linux systems administration (RHEL/Ubuntu), Bachelor\u0002s in CS or related (or equivalent), proficiency with Python, Bash, Ansible, VMware, Veeam, Atlassian tools, and willingness to work rotating shifts/on-call.
RHEL, Ubuntu, Ansible, Python, Bash, VMware, Veeam, Jira, Confluence, Gitlab, Subversion, PlasticSCM, SAN, NAS, Observium, Lansweeper
1w
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Systems Administrator
Tampa, Florida, United States
$85k-$95k/yr OnsiteFull Time
Iron Bow Technologies
Iron Bow Technologies: Provides IT infrastructure and cybersecurity services to government agencies.
5+ YOEAdvanced system administration experience for Windows/Linux, DISA STIG/RMF compliance, MECM/AD/VMware/ACAS operations, vulnerability remediation, and scripting for automation.
Splunk, ACAS, MECM (Microsoft Endpoint Configuration Manager), vCenter, Nessus, Tenable.sc, PVS, ePO, VMware ESXi, Hyper-V, Exchange, O365, PowerShell, Python, Bash
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Atlassian Administrator
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
1+ YOEAssociate's degree or 1 year admin experience, 1+ year system engineering/IT support, hands-on Atlassian suite experience, Jira administration, JQL/REST/Groovy, SDLC/agile knowledge, troubleshooting and security awareness.
Jira, Confluence, JQL, REST, Groovy, Oracle, Linux
1mo
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Systems Administrator - Tampa (Hybrid)
Tampa, Florida, United States
$85k-$95k/yr HybridFull Time
Strive Pharmacy
Strive Pharmacy: Personalized pharmaceutical compounding and custom medication production.
5+ YOE5+ years system administration experience; MacOS/Windows/Linux, networking, virtualization, cloud (AWS/Azure/GCP), SaaS/Okta administration, scripting (PowerShell/Bash/Clojure/Elixir/Go), ConnectWise/NinjaOne/Addigy/Intune experience; Bachelor's degree; industry certifications.
Okta, Google Workspace, Microsoft 365, ConnectWise Automate, ConnectWise Control, NinjaOne, Addigy, Microsoft Intune, AWS, Azure, GCP, ERP, CRM, Pharmacy management systems, PowerShell, Bash, Clojure, Elixir, Go
2mo
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Manager, Systems Administrator - Sailpoint
Orlando or Atlanta or Montvale or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
5+ YOE5+ years managing SailPoint IdentityIQ, team management experience, ServiceNow, CyberArk, Active Directory and Linux familiarity, bachelor\u0002s degree or equivalent experience, U.S. work authorization required.
SailPoint IdentityIQ, ServiceNow, CyberArk, Active Directory, Linux
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Systems Administrator (Intermediate/Senior)
Orlando, Florida, United States
OnsiteFull Time
Link Solutions: Providing IT infrastructure and cybersecurity services to federal agencies.
4+ YOEActive U.S. citizenship and DoD Secret clearance, DoD 8570/8140 IAT Level II (e.g., Security+), 4+ years IT systems administration (8+ for senior), Microsoft 365 and Windows Server experience, backup and virtualization skills.
Active Directory, Microsoft 365, System Center, NetBackup, Veeam, HPE StoreOnce, Windows PowerShell, VMware, ACAS, Nessus, Retina, Linux, Windows Server
2w
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SITEC - Active Directory Systems Administrator -MacDill AFB
MacDill AFB, Florida, United States
$86k-$138k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOERequires multi-year systems administration experience, DoD TS/SCI clearance, DoD 8570 IAT II, Active Directory and Windows Server expertise, PowerShell skill, RBAC and Kerberos knowledge; shift and weekend work required.
Active Directory, PowerShell, Kerberos, LDAPS, LDAP, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, DNS, Linux Red Hat, RBAC, Microsoft Office, VMWare
1mo
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Infrastructure Systems Administrator (07151)
Hillsborough County or Citrus County or Hardee County or Hernando County or Lake County or Manatee County or Pasco County or Pinellas County or Polk County or Sarasota County or Sumter County
$110k-$166k/yr OnsiteFull Time
Hillsborough County Sheriff's Office
Hillsborough County Sheriff's Office: Provides law enforcement and detention services for Hillsborough County.
5+ YOEMaintain and administer Windows/Linux systems, AD/IAM, M365, Azure, AWS, SIEM, MDM, virtualization, backup/disaster recovery, scripting, and enterprise monitoring; 5+ years experience (varies by degree) and ability to pass background/polygraph checks.
Active Directory (AD), Identity and Access Management (IAM), Microsoft 365 (M365), Microsoft Azure, Microsoft Entra ID, Amazon Web Services (AWS), Security Information and Event Management (SIEM), Mobile Device Management (MDM), Enterprise Storage Area Network (SAN), Network File System (NFS), Fibre Channel, VMware vSphere ESXi, VMware NSX, VMware Workspace ONE, Red Hat, Microsoft Exchange, Mac OS X, Windows Server 2019+
2mo
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Senior Systems Administrator
Orlando, Florida, United States
OnsiteFull Time, Contract
Chartis Federal
Chartis Federal: Provides mission-critical communications and IT systems engineering for government.
Experience administering servers, backups, patching, security, and incident response; Tier III support; system hardening and cybersecurity compliance; automation opportunities.
Windows Server, Linux, VMware, Backup Software, Storage Management, Patch Management, System Hardening, Automation/Scripting
2w
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Security Systems Administrator
Orlando or Reston or Tampa or United States
RemoteFull Time
Advanced IT Concepts
Advanced IT Concepts: Provides IT systems integration and simulation training for defense.
2+ YOE2+ years supporting and securing enterprise systems, network and cloud environments; knowledge of hardening, patching, vulnerability and incident response; strong troubleshooting and communication skills.
Windows Server, Linux, Entra ID, Group Policy, Purview, Intune, AWS, Microsoft Azure, Google Cloud Platform
2mo
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Enterprise Systems Administrator
Atlanta or Austin or Houston or Dallas or Miramar or Orlando or Tallahassee or West Palm Beach or Fort Lauderdale or Phoenix or Charlotte
HybridFull Time
Greenberg Traurig
Greenberg Traurig: Provides global legal representation and corporate advisory services.
5+ YOEManage Windows servers and cloud platforms; monitor security; patch management; SCCM/SCOM; AD/Entra ID; on-call; hybrid work.
Microsoft Windows, Azure, Active Directory, Entra ID, SCOM, SCCM, PowerShell, Linux, MacOS, IIS, SharePoint, SQL, Networking (TCP/IP, DNS, DHCP)
2mo
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Senior HPC and AI Cluster Administrator
Tampa, Florida, United States
$118k-$195k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOEBS in CS/Engineering or related field; 5+ years HPC/AI cluster admin; Slurm & Kubernetes; Linux networking/storage; DoD 8140 certs; TS/SCI clearance.
Slurm, Kubernetes, Linux (Red Hat, Ubuntu), Networking (InfiniBand, Ethernet), GPFS/Lustre/xfs storage, Python, Bash, GitOps, VMware, Hyper-V, KVM, AWS, Azure, RDMA (InfiniBand/RoCE), Docker, Apache Airflow, Prefect, Dagster
1w
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SITEC - Endpoint Security Administrator - MacDill AFB
MacDill AFB, Florida, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
3+ YOETS/SCI clearance and DoD 8570.01-M IAT II required; minimum experience 9 yrs (HS),7 yrs (AS/AA),5 yrs (BS/BA) or 3 yrs (MS/MAA); experience managing endpoint security tool lifecycle.
Azure, AWS, Cloud Workload Protection Platforms (CWPP), Azure AD/Entra ID, Windows, Linux, VMs, containers