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18 linux systems administrator jobs at 11 companies in St. Petersburg, FL

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Systems Administrator - Tampa (Hybrid)
Tampa, Florida, United States
$85k-$95k/yr HybridFull Time
Strive Pharmacy
Strive Pharmacy: Private compounding pharmacy customizing prescription medications for patients and healthcare providers.
5+ YOE5+ years systems administration with SaaS and identity provider experience; SAML/OIDC/SCIM implementation; macOS/Windows/Linux support; scripting and API integration; onboarding/offboarding ownership; able to work hybrid in Tampa and travel up to 25%.
SAML, OIDC, SCIM, REST APIs, webhooks, macOS, Windows, Linux, iPaaS
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1d
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Senior Systems Administrator I
Tampa or Arlington
OnsiteFull Time
CAE
CAETSX/NYSE: CAE: Global leader in civil aviation, defense, and security training.
5+ YOEBachelor's degree and 5 years of networking and operating systems experience, or associate degree and 6+ years. Requires DoD clearance eligibility, U.S. citizenship, and one listed professional certification.
Microsoft Active Directory, Microsoft Group Policy, Microsoft Office 365, Microsoft Azure, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint Online, Microsoft Intune, Microsoft Purview, Microsoft Copilot Studio, Microsoft Foundry, Azure Virtual Desktop, Broadcom/VMware, Hyper-V, Omnissa Horizon, Citrix Virtual Desktop, Microsoft SQL, PostgreSQL, MySQL, IIS, Apache, Tomcat, Nginx, IronPort, Proofpoint, Exchange Online Protection, Microsoft ADFS, Microsoft Entra, Cisco Duo, PRTG, SolarWinds, Nagios, TCP/IP, DNS, ARP, VLANs, SMTP, DHCP, Nimble, Veeam, vSAN, Data Domain, Amazon Kubernetes Services, PowerShell, RHEL, CentOS, AlmaLinux, Rocky Linux, Ubuntu, DFS
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1mo
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Security Systems Administrator
Orlando or Reston or Tampa or United States
RemoteFull Time
Advanced IT Concepts
Advanced IT Concepts: N information technology solutions provider.
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
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2mo
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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: Government law-enforcement agency serving Hillsborough County residents through policing, detention, court services, and child-protective investigations.
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+
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1w
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Virtualization Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
4+ YOERequires 4+ years of related experience, active TS/SCI clearance with favorable polygraph, DoD 8140 certification, virtualization administration experience, Windows/Linux skills, and U.S. citizenship.
Hypervisor, Virtualization, VMware, VMware vCenter, Windows Hyper-V, Windows, Linux
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Virtualization Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
4+ YOERequires 4+ years of related experience, active TS/SCI clearance with favorable polygraph, U.S. citizenship, virtualization administration experience, Windows/Linux expertise, and DoD 8140 certification compliance.
Hypervisor, VMware, Microsoft vCenter, Microsoft Hyper-V, Windows, Linux, AI, cloud, cyber
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1mo
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Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
4+ YOEActive TS/SCI with polygraph, 4+ years IT experience, DoD 8140 certification (e.g., Security+ CE), hands-on experience with enterprise monitoring platforms, Windows/Linux administration, patching, hardening, and compliance.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
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1mo
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Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
4+ YOEActive TS/SCI with polygraph, 4+ years related experience, DoD 8140/Information Assurance cert (e.g., Security+ CE), hands-on with enterprise monitoring platforms, Windows/Linux administration, patching and compliance experience.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
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6d
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System Administrator
Tampa, Florida, United States
RemoteFull Time
Bridgeway Benefit Technologies
Bridgeway Benefit Technologies: Private benefits-administration software provider serving multiemployer funds and third-party administrators in the Taft-Hartley market.
2+ YOERequires 2+ years in IT support or system administration, production Linux and Windows server administration, networking, AVD, Entra ID, Active Directory, Microsoft 365, endpoint management, ITSM, regulated environments, and scripting.
Linux, Windows, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Claude Desktop, Copilot, VPN, RD Web, Azure Virtual Desktop, FSLogix, Entra ID, Active Directory, Auth0, FusionAuth, 1Password, Microsoft 365, Bash, PowerShell, SOC 2, HIPAA, ITSM, GPO, SSO, MFA, Conditional Access, SSH, sudo
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1mo
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System Administrator
Tampa, Florida, United States
OnsiteFull Time
By Light Professional IT Services
By Light Professional IT Services: Private U.S. defense IT providing warfighter training, cybersecurity, and modeling and simulation solutions to federal agencies.
4+ YOEActive Secret clearance, DoD 8140 IAT Level II certification, bachelor\u0002s degree or 4+ years experience, virtualization/Linux/Microsoft certifications, experience with RMF, server and storage administration.
Linux, MS Server, MS Exchange, VMWare vCenter, VIEW VDI, VMware Horizon View, SCCM, ESXi, VMware vSphere, SAN, NAS, ADCS, IIS, Risk Management Framework (RMF)
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1mo
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Infrastructure/Systems Administration
Melbourne or Sarasota
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOETS/SCI with poly required; bachelor’s or equivalent and 3+ years relevant experience; proficiency with Windows, Dell hardware, Microsoft Outlook, and network communications; Security+ desired; strong written/verbal communication and customer service skills.
Windows, Microsoft Outlook, Linux, Dell
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1mo
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System Administrator
Tampa, Florida, United States
OnsiteFull Time
By Light Professional IT Services
By Light Professional IT Services: Private U.S. defense IT providing warfighter training, cybersecurity, and modeling and simulation solutions to federal agencies.
4+ YOEBachelor's degree (or equivalent experience) with 4+ years IT experience, DoD 8140 IAT Level II certification, virtualization/Linux/Microsoft certifications, active Secret clearance, and experience with Linux, Microsoft Server, VMware, SCCM, SAN/NAS, ADCS, IIS, and RMF processes.
Linux, Microsoft Server, Microsoft Exchange, VMware vCenter, VMware Horizon View, VMware ESXi, VMware vSphere, SCCM, SAN, NAS, Active Directory Certificate Services (ADCS), Internet Information Services (IIS), Risk Management Framework (RMF), POA&M
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1mo
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Infrastructure/Systems Administration
Melbourne or Sarasota
$75k-$158k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOETS/SCI with polygraph required. Bachelor’s degree or equivalent and 3+ years relevant experience. Proficient with Windows, Dell hardware, Outlook, networking; Security+ desired.
Windows, Dell, Microsoft Outlook, Linux
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1mo
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Atlassian Administrator
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing
Penske Truck Leasing: Private transportation provider offering truck leasing, fleet maintenance, commercial and consumer rentals, logistics, and used trucks.
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
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1d
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Senior Engineer, Document and Risk Management Systems
Tampa or New York City
$134k-$200k/yr HybridFull Time
White & Case
White & Case: Global law firm providing legal solutions across borders.
Requires hands-on MS-Windows and Linux server administration, PowerShell scripting, APIs, cloud and hybrid deployments, troubleshooting, web management, database optimization, communication, and project management experience.
Microsoft Windows, Linux, PowerShell, MS-SQL Server, REST, RPC, IIS, Apache, iManage, Intapp Walls, Intapp Open, Intapp Activity Tracker, DBMS, SSRS, Boomi, Integration Builder, Python, Postman, R, SolarWinds, SQL Sentry, Splunk, CyberArk
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1w
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Core Services & Server Operations Task Lead
Tampa, Florida, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
5+ YOEBachelor's degree or equivalent experience, 5+ years in systems administration or enterprise leadership, IT service management expertise, Windows/Linux administration, virtualization experience, and active TS/SCI clearance.
Endpoint Security Solutions, Monitoring Tools, Microsoft Configuration Manager (MCM), VMware, ITIL, Remedy, ServiceNow, Linux, Unix, Windows, Hyper-V, Ansible, PowerShell, Python, Nagios, Zabbix, SolarWinds, Docker, Kubernetes, AWS, Azure, Google Cloud
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Cybersecurity Engineer
Largo, Florida, United States
OnsiteFull Time
Castalia Systems
Castalia Systems: Woman-owned defense and intelligence consulting firm providing cybersecurity, IT, data, and intelligence services for federal agencies.
U.S. citizenship, TS/SCI clearance, Linux and Windows systems administration, DoD 8570 IAT Level II certification, identity management, LDAP, PKI, and VMware experience required.
Linux, Windows, Windows 11, Windows Server 2022, RHEL, LDAP, Active Directory, PKI, VMware, vSphere, vCenter, ESXi
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AI Implementation Specialist II
Tampa, Florida, United States
RemoteFull Time
Richman Property Services
Richman Property Services: Private U.S. residential property manager serving residents of affordable, market-rate, and senior rental communities.
3+ YOE3+ years in IT, systems administration, integration, or automation, including 1+ year supporting production automations. Requires API, automation, Zendesk, AWS, Linux, Git, Jira, Python or JavaScript, and clear written English.
Anthropic Claude API, n8n, Zapier, Make, Microsoft Power Automate, Zendesk, AWS EC2, AWS S3, AWS IAM, AWS Lambda, AWS CloudWatch, Linux, SSH, Git, Jira, Python, JavaScript, Node, REST APIs, JSON, webhooks, OAuth, Pinecone, Microsoft Entra ID, Microsoft Graph API, SSO, Yardi Voyager, Microsoft SharePoint, Microsoft 365
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