44 windows system administrator jobs at 33 companies in Lakeland, FL

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
3d
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Automation System Administrator
Saint Petersburg, Florida, United States
HybridFull Time
Raymond James
Raymond JamesNew York Stock Exchange: RJF: Provides wealth management, investment banking, and retail banking services.
6+ YOERequires 6–10 years of systems administration experience, Windows Server expertise, enterprise automation platform support, monitoring and analytics tools, strong troubleshooting, collaboration, and on-call availability.
UiPath, Alteryx, Windows Server, Active Directory, DNS, Splunk, Blue Prism, Tableau, Microsoft Power BI, ServiceNow, Automation Cloud, Automation Suite, Orchestrator, Studio, Robots
1w
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System Administrator
Tampa or Fayetteville
OnsiteFull Time
SES Space & Defense
SES Space & DefenseEuronext Paris: SESG: Provides satellite communications and managed network services for governments.
5+ YOEActive U.S. Secret clearance and citizenship; bachelor's degree or equivalent; 5+ years administering Windows Server, Linux, virtualization, storage, and enterprise infrastructure; DoD IAT Level II certification and STIG/RMF experience.
Microsoft Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, RMF, STIG, Microsoft Windows, CompTIA Security+ CE
2w
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GFT System Administrator Lead
Orlando, Florida, United States
OnsiteFull Time
Kaimetrix
Kaimetrix: An IT solutions provider supporting federal civilian, defense, and intelligence agencies through integrated technology services.
Requires Windows Server administration, DoD or federal IT experience, technical team leadership, configuration management, cybersecurity knowledge, Security+ IAT II certification, and ability to obtain an agency security clearance.
Windows Server, Active Directory, DHCP, DNS, WSUS, MDT, VBS, VBS3, VBS4, FISMA, Risk Management Framework (RMF), ACAS, Microsoft SharePoint
3w
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GCCS System Administrator
Tampa, Florida, United States
OnsiteFull Time
Venatore
Venatore: Mission-driven IT and cybersecurity services for federal agencies.
Active TS/SCI clearance, experience administering Solaris,RHEL,Windows, AD, VMware, enterprise databases and Java app servers; scripting and DoD security compliance experience.
Global Command and Control System (GCCS), Solaris, Zones, ZFS, Red Hat Enterprise Linux (RHEL), Windows, Microsoft Active Directory (AD), VMware, Oracle, Sybase, PostgreSQL, MySQL, WebLogic, Tomcat, JBoss, NFS, SSH, NTP, LDAP, Apache, PowerShell, Java
1mo
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Junior System Administrator & Helpdesk Technician
Kissimmee, Florida, United States
OnsiteFull Time
Empire Management Group
Empire Management Group: Manages homeowners and condominium associations across Florida.
Associate's/Bachelor's in IT or equivalent experience; 1–2 years IT support preferred; knowledge of Windows Server, Active Directory, networking, Microsoft 365; strong troubleshooting and communication skills.
Windows Server, Active Directory, Windows, macOS, Microsoft 365, Microsoft Office 365, Azure, Microsoft Intune, Meraki, Vantaca, PowerApps
2w
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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 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
3w
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System Enablement Specialist
Ann Arbor or Orlando
$80k-$90k/yr HybridFull Time
McKinley
McKinley: Manages and invests in residential and commercial real estate portfolios.
5+ YOE5+ years IT support/systems administration experience; bachelor\u0002s or equivalent; strong Microsoft 365, Active Directory/Azure AD, Windows, networking, Yardi, SQL, ITSM, and customer service skills.
Yardi Voyager, RentCafe, Chat IQ, SQL, Microsoft 365, Windows 10/11, Active Directory, Azure AD, Exchange Online, Intune, Microsoft Teams
1d
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IT Systems Administrator
Tampa or United States
OnsiteFull Time
TRAK TECOM
TRAK TECOM: Designs and manufactures mission-critical RF, microwave, and antenna solutions.
1+ YOERequires 1–3 years of systems administration and end-user support experience, U.S. citizenship, and knowledge of Windows Active Directory, TCP/IP, DNS, and GPOs. A bachelor's degree is desired.
Kaseya, Microsoft Office 365, Windows Active Directory (AD), TCP/IP, DNS, Group Policy Objects (GPOs), Windows 11, S2022, ERP systems, Oracle, Agile, SQL, Zscaler, AzureAD, Microsoft 365, Microsoft SharePoint, Microsoft Teams, Okta
3mo
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Systems Administrator
Tampa, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: A that provides human capital management software and services.
8+ YOEBachelor's in CS or related field; 8+ years in a SysAdmin role; Windows and Linux; security and privacy knowledge; strong problem-solving and communication; independent and team player.
Windows, Linux, Network Security
4w
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Systems Administrator
Plant City, Florida, United States
OnsiteFull Time
Sellers & Associates
Sellers & Associates: Provides programmatic, engineering, and training support to government clients.
3+ YOEExperience administering Windows Server, Active Directory, Azure, Intune and networking; CompTIA Security+; strong troubleshooting, communication, and organizational skills; able to obtain security clearance.
Cisco, Ubiquiti, Aruba IAP, Blade servers, VM, Intune, Azure Active Directory, Group Policy, Active Directory, Windows Server, SNMP, Cisco CLI
1w
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Associate Administrator, Business Systems
Orlando, Florida, United States
OnsiteFull Time
Universal Destinations & Experiences
Universal Destinations & ExperiencesNASDAQ: CMCSA: Operates theme parks and immersive entertainment resorts globally.
2+ YOEBachelor's degree in IT, computer science, management information systems, or related field; 2+ years supporting enterprise applications, Windows/Linux servers, infrastructure, patching, troubleshooting, and application support.
Windows, Linux, AutoNow, Jira, SaaS
1w
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Linux Systems Administrator
Orlando, Florida, United States
$100k-$120k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
5+ YOEBachelor's degree, 5+ years of systems administration experience, U.S. citizenship, active Secret clearance, Security+, RHEL, network interfaces, virtualization, hardware/software integration, and system verification experience.
Red Hat Enterprise Linux, Windows, QEMU, Hyper-V, VirtualBox
2mo
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Systems Administrator
Port Richey or Spring Hill or Sarasota or Jacksonville or Fort Myers or Fort Lauderdale
FieldFull Time
National Kidney Partners
National Kidney Partners: Provides comprehensive patient-centered care for kidney disease and hypertension.
4+ YOE4+ years IT experience; support end users, Microsoft 365/Entra ID/Intune administration, endpoint and network troubleshooting, VoIP and clinical app support; valid driver’s license and ability to travel within Central Florida; pass drug screen and background check.
Freshservice, Microsoft 365, Microsoft Entra ID, Azure Active Directory, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Intune, Windows Autopilot, Azure Virtual Desktop, RMM, ConnectWise, NinjaOne, Snipe-IT, SentinelOne, Mimecast, SIEM, Epic, Citrix, Fortinet, Ubiquiti, VoIP, Microsoft Windows
1w
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IT Telecom Systems Administrator REMOTE
Orlando or United States
$75k-$80k/yr RemoteFull Time
Rotech Healthcare
Rotech Healthcare: Provider of home medical equipment and respiratory therapy services.
3+ YOEBachelor's degree in management information systems or computer science, or equivalent experience. Three years of voice network administration preferred, with complex diagnostics and telecom systems experience.
NICE CXone, Cisco Call Manager, Cisco Jabber, Cisco Unity, VMware, WebEx, Microsoft Teams, Zoom, Windows, UNIX, Linux, Cisco IOS, WAN, LAN, VoIP, Microsoft Word, Microsoft Excel, FAX, Public Switched Telephone Network (PSTN)
3mo
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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)
1w
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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+ YOERequires U.S. citizenship, active DoD Secret clearance, DoD 8570/8140 IAT Level II certification or higher, and 4+ or 8+ years of enterprise IT experience depending on level. Windows Server and Active Directory experience required.
Microsoft 365, Active Directory, System Center Management, NetBackup, Veeam, HPE StoreOnce, Windows Server, Windows PowerShell, Group Policy, VMware, Linux, ACAS, Nessus, Retina
1d
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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 TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
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
1d
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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
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
3mo
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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