30 windows system administrator jobs at 24 companies in Mount Dora, FL
2mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
Systems Administrator
Inverness, Florida, United States
$84k-$142k/yr OnsiteFull Time
1+ YOEEntry-level systems administration role requiring an associate degree plus experience and/or relevant certification, English communication, operating systems, servers, networks, security, backup recovery, and troubleshooting skills.
LAN, WAN, Microsoft Windows, Intrusion Detection Systems
2w
Save
Mark Applied
Hide
System Enablement Specialist
Ann Arbor or Orlando
$80k-$90k/yr HybridFull Time
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
4d
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
Linux Systems Administrator
Orlando, Florida, United States
$100k-$120k/yr OnsiteFull Time
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
1d
Save
Mark Applied
Hide
IT Telecom Systems Administrator REMOTE
Orlando or United States
$75k-$80k/yr RemoteFull Time
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)
2mo
Save
Mark Applied
Hide
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)
3d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
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+
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
NetSuite ERP & IT Systems Administrator
Orlando, Florida, United States
HybridFull Time
2+ YOE2+ years NetSuite administration experience, SuiteScript exposure, Windows and networking support experience, bachelor's in CS or related preferred (or equivalent experience).
NetSuite, SuiteScript 2.x, Active Directory, Entra ID, VPN
2mo
Save
Mark Applied
Hide
Systems Administrator/ ALIS / Lask, Poland
Łask or Orlando
$82k-$163k/yr OnsiteFull Time
3+ YOEActive Secret clearance, DoD IAT Level II (Security+, CySA+, or CCNA), 3+ years IT experience, Microsoft Office proficiency, ability to work rotating shifts and travel, ability to obtain SAP access, strong communication skills.
ALIS, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Active Directory, Oracle, CRM, Hyper-V, VMware, Red Hat Enterprise Linux, Windows Server
1d
Save
Mark Applied
Hide
Administrative Assistant
Lake Buena Vista, Florida, United States
$22-$30/hr OnsiteFull Time
2+ YOEHigh school diploma or equivalent; 2+ years supporting an Operations Manager; strong organization, communication, prioritization, confidentiality, Microsoft Office, Windows, and administrative systems proficiency.
SAP, Casual Buyer, Microsoft SharePoint, Coupa, Collaboration Workspace, Concur, Microsoft Office Suite, Windows, AV, videoconferencing
2d
Save
Mark Applied
Hide
Access Control Specialist
Orlando, Florida, United States
OnsiteFull Time
4+ YOEHigh school diploma and four years of administrative experience in reporting, reconciliation, invoicing, and cash handling. Requires Windows, Word, software systems, typing, communication, customer relations, and conflict resolution skills.
Windows, Microsoft Word, Transportation Security Clearinghouse (TSC), Fingerprint Results Distribution Center (FPRD), Oracle, Authorized Signatory portal, computer-based training equipment
3w
Save
Mark Applied
Hide
Information Systems Security Officer (41555)
Orlando, Florida, United States
OnsiteFull Time
6+ YOEActive DoD Secret clearance, 6+ years cybersecurity experience (or 4+ with graduate degree; 10+ without degree), ISSO/RMF experience, system administration (Windows/Linux), and assessment/hardening tool knowledge.
Microsoft Windows, Linux, SCAP Compliance Checker, ACAS, Nessus, eMASS, Cisco
2mo
Save
Mark Applied
Hide
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
Explore Jobs