77 junior system administrator jobs at 53 companies in Three Lakes, FL

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Office Administrator
Boca Raton or New York City or New York or Atlantic City or Sunny Isles Beach or Orlando
OnsiteFull Time
Il Mulino New York
Il Mulino New York: Upscale Italian restaurant serving authentic Abruzzese cuisine.
1+ YOERequires 1 year of experience, strong organization, communication, multitasking, problem-solving, time management, basic accounting, office software, payroll systems, confidentiality, and independent work skills.
Tripleseat, Compeat, Microsoft SharePoint
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Systems Administrator
Doral, Florida, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOERequires a bachelor's degree in IT or 4 additional years' experience, 2+ years of systems administration experience, active Secret clearance, DoD IAT Level II and Microsoft AZ-104 or MD-102 certifications.
Ansible, Salt, Puppet, Microsoft AZ-104, Microsoft MD-102, Red Hat Linux, AWS, VMware, CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP
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Executive Office Administrator
Miami Beach, Florida, United States
OnsiteFull Time
Marriott International
Marriott InternationalNASDAQ: MAR: Operates and franchises a global network of hotels and resorts.
Uses office software, databases, point-of-sale systems, office equipment, filing systems, and professional communication to support executive office and guest service operations.
Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Point of Sale (POS) systems
1mo
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Accounting Administrator
Pompano Beach, Florida, United States
OnsiteFull Time
Ferrari Maserati of Fort Lauderdale
Ferrari Maserati of Fort Lauderdale: Retailer of luxury vehicles and automotive maintenance services.
2+ YOE2+ years accounting experience; bank posting, reconciliations, cash receipting, floor plan/payoffs, title/licensing preparation, administrative duties, ability to lift boxes; CDK System knowledge preferred.
CDK System
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Service Center Administrator
Fort Lauderdale, Florida, United States
$19/hr OnsiteFull Time
Graybar
Graybar: Distributes electrical, communications, and data networking products.
2+ YOE2+ years experience, high school diploma/GED, knowledge of Warehouse Management System and basic Microsoft Office, data entry and organizational skills, ability to interface with all levels of employees.
Warehouse Management System, Microsoft Office
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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+
3w
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Docusign Administrator II
Miami, Florida, United States
OnsiteFull Time
Lennar
LennarNYSE: LEN: Builds and sells quality residential homes across the United States.
1+ YOE1–3 years in systems or application support, working knowledge of DocuSign, strong attention to detail, clear written communication, ability to follow procedures and manage high-volume ticket requests.
DocuSign eSignature (Admin Console), Salesforce, ServiceNow, Microsoft Teams, Microsoft Outlook
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Jr IT Systems Administrator
Miami, Florida, United States
OnsiteFull Time
Housing Trust Group
Housing Trust Group: Develops and manages affordable and market-rate multifamily residential communities.
2+ YOE2-3 years IT support experience, skilled with M365/SharePoint, Ubiquiti, AI administration (Claude, CoPilot), helpdesk support, hardware/software deployments, strong communication and problem-solving.
Microsoft M365, Microsoft SharePoint, Ubiquiti, Claude, CoPilot
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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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Event Sales Admin
Pompano Beach, Florida, United States
OnsiteFull Time
Topgolf
TopgolfNYSE: CALY: Operates technology-enabled golf entertainment centers with food and drinks.
Strong organizational, administrative, communication, and customer service skills; detail-oriented multitasking ability; proficiency in office software and booking systems. Event or administrative experience is preferred.
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Patient Service Specialist
Coral Springs, Florida, United States
OnsiteFull Time
SunState Medical Specialists
SunState Medical Specialists: Provides integrated oncology and multispecialty medical care in Florida.
High school diploma or equivalent, administrative experience in a busy customer-focused environment, strong organization and communication skills, patient billing knowledge, and clinical administration system proficiency.
Microsoft Office
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Admin Assistant
Oakland Park, Florida, United States
$19-$21/hr OnsiteFull Time
Campbell Property Management
Campbell Property Management: Professional management services for Florida residential communities and associations.
Must pass a drug screening and background check. Provides administrative support, maintains property records, assists residents and vendors, and uses property management software and computer systems.
1mo
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2026-2027 CPHSW Disaster Preparedness, Student Assistant
Miami, Florida, United States
$14/hr OnsitePart Time
Florida International University
Florida International University: Public research university offering undergraduate and graduate degree programs.
Provide administrative and clerical support for disaster management, assist with promotion and organization of recruitment events, handle inquiries professionally, maintain confidentiality, and use Microsoft Word and PC systems.
Microsoft Word
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Engineering Coordinator
Surfside or United States
OnsiteFull Time
Four Seasons Hotels and Resorts
Four Seasons Hotels and Resorts: Operates luxury hotels, resorts, and branded residential properties globally.
1+ YOEHigh school diploma or equivalent; 1–2 years of administrative or coordinating experience, preferably in engineering, facilities, or hotel operations; HotSOS, Microsoft Office, and work-order system proficiency.
HotSOS, Microsoft Office, Microsoft Excel, Microsoft Word, Microsoft Outlook
2w
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ON-CALL Receptionist
Aventura, Florida, United States
$19/hr OnsitePart Time
Belmont Village
Belmont Village: Develops and operates luxury senior living and memory care communities.
High school diploma or equivalent, multi-line phone system experience, software proficiency, clear English communication, critical thinking, administrative and organizational skills, reliability, and professional customer service.
multi-line phone system, kiosk sign-in process
2mo
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Permit Coordinator
Miami, Florida, United States
OnsiteFull Time
MasTec
MasTecNew York Stock Exchange: MTZ: Builds and maintains energy, communications, and utility infrastructure.
2+ YOEHigh school diploma, 2+ years permitting/regulatory or administrative experience, proficiency with Microsoft Office and permit tracking systems, ability to read construction documents, strong organization and communication skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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Hearing Coordinator
Plantation, Florida, United States
OnsiteFull Time
Robertson, Anschutz, Schneid, Crane & Partners, PLLC
Robertson, Anschutz, Schneid, Crane & Partners, PLLC: National law firm specializing in creditors' rights and foreclosure.
1+ YOEHigh school diploma or GED, 1–2 years of administrative or clerical experience, legal terminology familiarity, strong calendaring and communication skills, and proficiency with Microsoft Office; legal systems experience preferred.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, JST, MCHO
1mo
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Executive and Program Assistant
Miami, Florida, United States
$23-$27/hr HybridFull Time
SEO (Sponsors for Educational Opportunity)
SEO (Sponsors for Educational Opportunity): Provides academic and career support to underserved young people.
1+ YOE1–3 years administrative or program coordination experience; strong organization, communication, and time-management; proficiency in Google Workspace, Microsoft Office, Excel, and database/CRM systems; bachelor’s degree preferred.
Google Workspace, Microsoft Office, Microsoft Excel, Salesforce, Monday.com, Canva, CRM
2d
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Proctor - Part-time
Doral, Florida, United States
OnsitePart Time
West Coast University
West Coast University: Private university offering degree programs for healthcare professionals.
High school diploma or equivalent required; associate degree in business administration or related field preferred. Requires basic systems knowledge, standard work routines, and Microsoft Office experience.
Microsoft Office
2mo
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Claims Correspondence Coordinator
Miami, Florida, United States
OnsiteFull Time
Independent Living Systems
Independent Living Systems: Provides healthcare management and nutritional support for vulnerable populations.
2+ YOEHigh school diploma or equivalent (associate preferred); minimum 2 years claims processing or healthcare administration experience; proficiency with Microsoft Office Suite and claims management systems; experience processing UB04 and CMS 1500; familiarity with HIPAA preferred.
Microsoft Office Suite