20 windows server administrator jobs at 17 companies in Casselberry, FL
3mo
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Server Admin
Titusville, Florida, United States
OnsiteFull Time
3+ YOEBachelor's in CS/IT/related field; 3-5 years server administration; VMware certs; FL driver’s license; AHCA clearance.
Windows Server, Active Directory, VMware vSphere, Networking, Backup and Disaster Recovery, Firewall, Scripting, PowerShell
1w
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GFT System Administrator Lead
Orlando, Florida, United States
OnsiteFull Time
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
4d
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IT Systems Administrator, Launch
Brownsville or Cape Canaveral or Vandenberg
OnsiteFull Time
3+ YOEHigh school diploma or equivalent, 3+ years of IT systems administration, Linux or Windows server administration, enterprise networking, driver's license, background checks, and ITAR work authorization.
Linux, Windows, Bash, PowerShell, Python, Terraform, Ansible, Puppet, Active Directory, SCCM, TCP/IP, DNS, DHCP, SNMP, NTP, PTP, ITAR, ISO, NIST
2mo
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System Administrator
Kissimmee, Florida, United States
HybridFull Time
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
5d
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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
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
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)
1mo
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Junior System Administrator & Helpdesk Technician
Kissimmee, Florida, United States
OnsiteFull Time
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
1mo
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Network Administrator
Kissimmee, Florida, United States
$80k-$112k/yr OnsiteFull Time
2+ YOEBachelor's in IT or related and 2+ years as network administrator; CCNA required (or obtain within 1 year); CEH or Security+/equivalent required (or obtain within 2 years); experience with enterprise networking, firewalls, VoIP, VMware, backup and security tools.
Checkpoint, Cisco Firepower, Cisco Unified Communications, CUCM, UCCX, Unity, Presence, Webex Calling, VMware, Veeam, Barracuda, Cisco ISE, Duo, Windows Server, SQL, IIS, BGP, DNS, VPN, VLANs, Spanning Tree, VoIP
6d
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Associate Administrator, Business Systems
Orlando, Florida, United States
OnsiteFull Time
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
3mo
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Senior Systems Administrator
Orlando, Florida, United States
OnsiteFull Time, Contract
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
3w
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Systems Administrator II (AS9962)
DeLand, Florida, United States
OnsiteFull Time
1+ YOEExperience administering Windows servers, Active Directory, PowerShell, virtualization, basic Linux and database backup/maintenance, and entry-level cybersecurity; strong communication and troubleshooting skills.
Active Directory, PowerShell, Hyper-V, VMware, Linux, Microsoft 365, Entra ID, Defender, Azure, OCI
1mo
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Security Systems Administrator
Orlando or Reston or Tampa or United States
RemoteFull Time
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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VCF Platform Engineer 1
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEMinimum 3 years in infrastructure operations/virtualization or systems administration; hands-on VMware vSphere and ESXi host/cluster management; Linux and Windows Server administration; scripting/automation with PowerCLI, Python, or Ansible; familiarity with IaC and datacenter concepts.
SDDC Manager, vSphere, vSAN, NSX, PowerCLI, Python, Ansible, ESXi, Linux, Windows Server
2w
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IT Engineer, Kennedy Space Center
Merritt Island, Florida, United States
$112k-$140k/yr OnsiteFull Time
5+ YOE5–10 years IT infrastructure experience including cloud, servers, LAN/WAN, virtualization, storage, backups, AD administration, POS and end-user support; bachelor’s degree preferred.
VMWare vSphere, HPe Aruba, Cisco WiFi, Windows Server, Cisco Webex, Commvault, AWS VPC, AWS, ServiceNow, Micros, NetSuite, Gateway Ticketing System, XPR, TapIn2, Mashgin, Active Directory, Cisco
2d
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Systems Engineer-IT - E2
Orlando, Florida, United States
$71k-$131k/yr OnsiteFull Time
1+ YOERequires Linux or Windows administration experience, U.S. citizenship, Secret clearance eligibility, and ability to obtain DoD IAT Level II certification within three months if needed.
Linux, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Windows Server, VMware ESXi, vSphere, Hyper-V, Ansible, Microsoft Excel, Agile, Atlassian, JIRA, Confluence, IBM Engineering Lifecycle Management (ELM), DevOps
1mo
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Mission Communications Systems Engineer
Brevard County, Florida, United States
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOE2+ years experience; Linux/Windows administration, SNMP monitoring, knowledge of network protocols (DHCP, DNS, NPS, SQL, SMTP, NFS), Active Directory and scripting, hardware troubleshooting, web server/HTML/JavaScript/SQL, technical documentation; ability to lift and work at elevation.
Linux, Windows, SNMP, DHCP, DNS, NPS, SQL, SMTP, NFS, Active Directory, HTML, JavaScript, Quintron DICES VoIP, Haivision IPTV encoders/decoders, Microsemi timing systems, Motorola MOTO TRBO, QSC Audio Systems, NTP, PTP, GPS, IRIG, PPS, pcaps
3w
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Cloud Infrastructure Engineer
Charlotte or Orlando or Tampa or Jacksonville or Raleigh or New York or Washington or Atlanta
RemoteFull Time
4+ YOE4-7 years cloud administration experience, strong Azure architecture and migration skills, bachelor\u0002s in IT or equivalent, Azure/AD/Windows Server/PowerShell/Ansible experience, vulnerability scanning knowledge.
Azure, Azure CLI, PowerShell, Azure PowerShell, Azure Portal, Intune, SCCM, Microsoft Active Directory, Windows Server 2016, Windows Server 2019, Windows Server 2025, Ansible, Nessus
3w
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Cloud Infrastructure Engineer
Raleigh or New York or Jacksonville or Atlanta or Washington or Charlotte or Orlando or Tampa
RemoteFull Time
4+ YOE4+ years cloud administration experience, strong Azure architecture and migration skills, Azure CLI/PowerShell, Active Directory and Windows Server experience, Ansible, vulnerability scanning, bachelor’s or equivalent experience.
Azure, Microsoft Active Directory, Windows Server 2016, Windows Server 2019, Windows Server 2025, Azure CLI, PowerShell, Azure PowerShell, Azure Portal, Ansible, Intune, SCCM, Nessus
1mo
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Vice President, Production Services Infrastructure Support
Boston or Pittsburgh or Lake Mary or Uniondale
OnsiteFull Time
5+ YOE5+ years experience in Linux and Windows server administration, VMware, SAN/NAS, backup (Data Domain, NetBackup), scripting (Shell, Powershell, Python), Ansible, Jenkins, Git, and exposure to Azure/Oracle Cloud; strong troubleshooting and communication skills.
Linux, RedHat, Windows server 2012/2016/2019, VMware, SAN, NAS, EMC, Data Domain, NetBackup, Shell, Powershell, Python, Ansible, Jenkins, Git, CIDC, Azure, Oracle Cloud, Cisco UCS, Oracle Exadata
1mo
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Cyber Security Engineer
Orlando, Florida, United States
$95k-$105k/yr OnsiteFull Time
3+ YOE3+ years IT/systems administration with hands-on security responsibilities; knowledge of NIST SP 800-171/CMMC Level 2; experience with Windows Server, Active Directory, Group Policy, Microsoft Defender, Sentinel, Azure/Entra ID, Hyper-V, network security, vulnerability scanning, SIEM, and security documentation.
Microsoft Sentinel, Microsoft Defender for Endpoint, Microsoft Defender for Identity, Microsoft Defender for Office 365, Microsoft Entra ID (Azure AD), Microsoft Azure, Microsoft Purview, Microsoft Windows Server, Microsoft Active Directory, Microsoft Group Policy, Microsoft Hyper-V, SIEM, EDR, ITSM, Infor CloudSuite, ERP
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