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: 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.
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
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
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.
Clearwater or Pompano Beach or Sarasota or Raleigh or Mooresville
OnsiteFull Time
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+
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
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
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
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.
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.
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.
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.
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
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.
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
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
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
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.
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.