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20 windows system administrator jobs at 19 companies in Miami, FL

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System Administrator III - Windows/macOS
Key Biscayne, Florida, United States
HybridFull Time
GAMA-1 Technologies
GAMA-1 Technologies: Provides IT, cloud, and security services to federal agencies.
8+ YOE8+ years systems administration experience with Windows and 5+ years supporting enterprise macOS, Microsoft ecosystem and MDM experience, scripting/automation skills, cloud/virtualization knowledge, and ability to obtain security clearance.
Active Directory, Group Policy, DNS, DHCP, Microsoft Entra ID, Jamf Pro, BigFix, MECM, ManageEngine, Intune, VMware, Hyper-V, Microsoft Azure, AWS, PowerShell, Python, Bash, AppleScript, Terraform, Ansible
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3mo
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IT System Administrator
Miami, Florida, United States
OnsiteFull Time
Itaú Unibanco
Itaú UnibancoNYSE: ITUB: Financial institution providing global private banking and wealth management services.
5+ YOE5+ years in IT infrastructure/system administration; strong Windows/Linux, virtualization, cloud and security experience; English required; Portuguese/Spanish preferred.
Windows Server, Linux, VMware, Hyper-V, Azure, AWS, Microsoft 365, Active Directory, IAM, GPOs, DNS, DHCP, MFA, Firewalls, Patching, Scripting (PowerShell,Bash)
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3w
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Senior IT Systems Administrator – Windows & VMware
Miami or Hialeah
OnsiteContract
Five Rivers IT
Five Rivers IT: Provides managed IT, cybersecurity, and compliance solutions for businesses.
5+ years Windows Server and VMware administration, PowerShell automation, backup/DR, storage knowledge, project leadership, communication, and formal change-management experience.
Windows Server, PowerShell, VMware vSphere, VxRail, vCenter, ESXi, vSAN, Jira, Change Gear
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Systems Administrator
Coral Gables, Florida, United States
HybridFull Time
WT Group
WT Group: Provides engineering and design consulting services for construction projects.
3+ YOE3+ years in systems administration with Microsoft 365, Windows Server, Active Directory, VMware, Fortinet, and hybrid IT support.
Microsoft 365, Windows Server, Active Directory, VMware, Nutanix, Fortinet FortiGate, Exchange Online, Teams, SharePoint, OneDrive, Entra ID, Intune, MFA, DNS/DHCP, Veeam, AutoCAD, Revit, ETABS, Trimble, Bluebeam, Adobe Creative Cloud, VPN, FortiGate
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2mo
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IT Systems Administrator
Miami, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Provides information technology services and support.
3+ YOEBachelor's degree in Computer Science or related field; 3+ years IT systems administration; Windows/Linux/VMware; strong troubleshooting; good communication.
Windows, Linux, VMware, Printers, Scanners, Networking
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3d
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IT Systems Administrator
Clearwater or Pompano Beach or Sarasota or Raleigh or Mooresville
OnsiteFull Time
Integrated Openings Solutions
Integrated Openings Solutions: Specialist in commercial door, hardware, and access control solutions.
2+ YOERequires 2–4 years in IT support or systems administration, Microsoft 365, Windows, endpoint troubleshooting, networking fundamentals, and willingness to learn ticketing and remote-support tools.
Microsoft 365, Exchange Online, Entra ID, Intune, Azure, Azure Virtual Desktop, Microsoft Defender, Sentinel, PowerShell, Microsoft Graph, Power Automate, Power Apps, Copilot Studio, SharePoint, Teams, Forms, SQL, Power BI, Fabric, Windows, VPN, Microsoft 365 Fundamentals, Azure Fundamentals, Power Platform Fundamentals, CompTIA A+, CompTIA Network+
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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
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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)
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Senior Network & Systems Administrator
Miami Gardens, Florida, United States
OnsiteFull Time
Miami Dolphins
Miami Dolphins: Professional American football franchise and stadium event operator.
5+ YOE5+ years enterprise systems and networking experience; bachelor’s degree or equivalent preferred; strong AD, Microsoft 365, VMware, Cisco, storage, backup, security, and cross-platform administration skills.
DHCP, DNS, TCP/IP, Active Directory, Azure AD, Azure Active Directory, Microsoft Entra ID, Microsoft 365, Exchange Online, Teams, OneDrive, Okta, VMware vSphere, Windows Server, Linux, Windows, macOS, Cisco, SAN, NAS, JAMF, NAC
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1mo
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IT SYSTEMS ADMINISTRATOR
Fort Lauderdale, Florida, United States
$65k-$95k/yr OnsiteFull Time
Aero Centers
Aero Centers: Network of full-service fixed-base operators and aviation maintenance.
3+ YOE3+ years on-prem IT administration and end-user support; strong Microsoft OS/app knowledge; experience with Microsoft Azure and Microsoft 365 (Entra ID, SharePoint, Purview, Intune, Exchange Online); LAN networking and troubleshooting; familiarity with NinjaOne, CrowdStrike, Datto, FortiGate, Ubiquiti.
Windows Server, Microsoft 365, Microsoft Azure, Microsoft Entra ID, Microsoft SharePoint, Microsoft Purview, Microsoft Intune, Microsoft Exchange Online, NinjaOne, CrowdStrike, Datto, FortiGate, Ubiquiti
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Technical Operations Administrator
Miami, Florida, United States
OnsiteFull Time
Peak Technologies
Peak Technologies: Provides enterprise mobility and supply chain automation technology solutions.
2+ YOEAdminister and maintain servers, networks, storage and cloud platforms; perform patching, backup/DR, user access and Tier 1/2 support; bilingual English/Spanish required; 2 years IT systems or network admin experience preferred.
Windows, Linux, AWS, Azure, GCP, Fortinet, Juniper, Microsoft
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Sr IT Systems Admin – Win / VMWare
Miami, Florida, United States
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
5+ YOE5+ years Windows Server and VMware administration, PowerShell scripting, backup/DR, storage knowledge, project leadership and team mentoring, strong communication and change management experience.
Windows Server, PowerShell, VMware vSphere, VxRail, vCenter, ESXi, vSAN, SAN, NAS, Jira, Change Gear
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2w
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Infrastructure Cloud Engineer
Germantown or Dayton or Albuquerque or Huntsville or Simi Valley or Sunrise or Herndon or Arlington or Annapolis Junction or Melbourne
OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOE8+ years systems administration/engineering experience with Windows/Linux, cloud platforms (Microsoft Azure, AWS), automation scripting (PowerShell), and enterprise storage; VMware/AWS certifications desired.
Microsoft Azure, Azure AVS, AWS, Oracle Cloud Infrastructure (OCI), VMWare Site Recovery (SRM), ARM Templates, Microsoft Azure AD, Microsoft Azure Automation, Traffic Manager, Azure Load balancer, F-5 load balancer, VMWare, PowerShell, Windows, Linux
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1mo
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2026-2027 Office of Financial Aid, Student Financial Aid Athletics Intern
Miami, Florida, United States
$17/hr OnsitePart Time
Florida International University
Florida International University: Public research university offering undergraduate and graduate degree programs.
Provide customer service, maintain and update student financial aid records, process and scan documents using Image Now System; must be an FIU student with Federal Work Study and enrolled at least 6 credits.
Image Now System, Windows, Microsoft Word
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IT Specialist Digital Support Tier IV
Doral, Florida, United States
OnsiteFull Time
United States Agency for Global Media
United States Agency for Global Media: Operates international broadcasting and global news networks.
Advanced broadcast IT support role requiring knowledge of digital media systems, Active Directory, network fundamentals, customer support, system administration, and complex technical troubleshooting.
Ivanti, Active Directory, Microsoft 365, Dalet, PowerGold, ScheduAll, Dalet Galaxy, Dataminer, VPN, IT Service Management (ITSM), Microsoft Windows
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Senior IT Specialist
Boca Raton, Florida, United States
OnsiteFull Time
Lamark Media
Lamark Media: Provides performance-based digital marketing and advertising services.
5+ YOE5+ years in IT support, systems administration, or senior help desk roles; expertise with Microsoft 365 Administration, Slack Enterprise, Entra, and Exchange; strong documentation, communication, implementation, and change management skills.
Microsoft 365 Administration, Microsoft 365 Exchange, Microsoft Entra, JAMF, Slack Enterprise, SaaS, Microsoft Windows, Apple operating systems
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3w
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IT Support Services II - Help Desk
Miami Lakes, Florida, United States
OnsiteFull Time
Courser
Courser: Provides managed IT services through a network of partner companies.
3+ YOE3-5 years IT support or system administration experience, bachelor\u0002s degree or equivalent preferred, strong OS and networking knowledge, experience with helpdesk/ticketing systems, and problem-solving and communication skills.
Windows Server, Linux, macOS, AWS, Azure, VMware, Hyper-V, ConnectWise, ServiceNow, JIRA, Zendesk
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Help Desk Technician
Deerfield Beach, Florida, United States
OnsiteFull Time
YouFit Gyms
YouFit Gyms: Operates a chain of affordable, health-focused fitness centers.
2+ YOEHigh school diploma required; 2–4 years of IT support or systems administration experience. Requires troubleshooting hardware, software, networks, user access, and customer support; associate or bachelor's degree preferred.
Windows, macOS, Microsoft Certified: Modern Desktop / Windows Client, CompTIA A+, CompTIA Network+
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Systems Engineer II - Endpoint
Miramar, Florida, United States
$114k-$121k/yr OnsiteFull Time
Space Coast Credit Union
Space Coast Credit Union: Member-owned cooperative providing banking, lending, and financial services.
5+ YOE5+ years endpoint engineering experience with Tanium and Microsoft Intune, GPO and policy administration, software packaging, scripting, Tier 3 troubleshooting in enterprise environments.
Tanium, Tanium Deploy, Microsoft Intune, SCCM/MECM, Group Policy (GPO), Autopilot, Apple Business Manager, Qualys, Tenable, Rapid7, PowerShell, Python, Bash, Windows, macOS, iOS
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