22 system admin jobs at 16 companies in Winter Haven, FL

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Spectrum Manager and COOP System Admin (Tampa, FL, US, 33621)
Tampa, Florida, United States
OnsiteFull Time
SES Space & Defense
SES Space & DefenseEuronext Paris: SESG: Provides satellite communications and managed network services for governments.
5+ YOEActive DoD TS clearance with SCI eligibility; BS in a related field; 5+ years in communications/IT/SATCOM; experience with electromagnetic spectrum operations and RF coordination; experience supporting spectrum-dependent systems; familiarity with satellite communications equipment and networking; strong communication and problem-solving; ability to...
SATCOM equipment, Networking, RF coordination tools, COMSEC devices
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Business System Manager
American Fork or Tampa or Denver or Raleigh or Dallas or Phoenix or Wheaton or Hillsborough or Idaho or South Carolina
$65k-$100k/yr RemoteFull Time
Elase
Elase: Provides medical aesthetic treatments and personalized wellness services.
2+ YOEBachelor's degree and 2+ years systems admin experience required; POS proficiency (Zenoti preferred); strong Microsoft Office skills; project management, vendor management, training, and cross-functional support experience.
Zenoti, POS, Microsoft Office, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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Spectrum Manager and COOP System Admin
Tampa, Florida, United States
OnsiteFull Time
SES Space & Defense
SES Space & DefenseEuronext Paris / Luxembourg Stock Exchange: SESG: Provides secure, multi-orbit satellite communications for government and defense.
5+ YOEActive DoD Top Secret/SCI clearance, 5+ years supporting communications/SATCOM/IT or spectrum operations, ability to coordinate RF authorizations, troubleshoot SATCOM and network systems, strong communication and analytical skills.
2mo
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CBORD DATABASE ADMIN (TEMPORARY) (Orlando, FL, US, 32806)
Orlando, Florida, United States
OnsiteTemporary
Compass Group
Compass GroupLondon Stock Exchange: CPG: Provides contract food and support services globally.
Experience with CBORD systems; knowledge of diets/allergies, patient services or food nutrition required.
CBORD, Spreadsheet software
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Admin Assistant - School
Davenport, Florida, United States
OnsiteFull Time
Charter Schools USA
Charter Schools USA: Manages a national network of tuition-free public charter schools.
1+ YOEHigh school diploma, 1+ year office experience, proficiency with Microsoft Office and Student Information Systems, strong communication and confidentiality, ability to lift up to 20 lbs.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Student Information System (SIS), Email
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IAE Information Technology / Systems Admin Intern - Fall 2026
Tampa, Florida, United States
$19/hr OnsiteMultiple Commitments Available
University of South Florida
University of South Florida: Public research university offering undergraduate and graduate degree programs.
U.S. citizenship required. Must be a junior/senior pursuing a bachelor's in CS, Data Science, IT or similar with GPA ≥3.0. Experience in network management and systems administration, strong communication and willingness to work in a dynamic environment.
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COUNTY HEALTH DEPT FINANCIAL ADMIN-HLTH - 64049219
Tampa, Florida, United States
$84k-$104k/yr OnsiteFull Time
State of Florida
State of Florida: The administrative governing body of the state of Florida.
5+ YOE5+ Mgmt5+ years administrative and supervisory experience with fiscal oversight; knowledge of DOH financial systems, budget preparation, and contract management; proficient with Microsoft Office; bachelor's degree in finance/accounting/business preferred.
CONMAN, FLAIR, FIRS, FIS, HMS, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Teams, Microsoft PowerPoint
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COUNTY HEALTH DEPT FINANCIAL ADMIN-HLTH - 64049219
Tampa, Florida, United States
$84k-$104k/yr OnsiteFull Time
State of Florida
State of Florida: Providing state government services and administrative public programs.
5+ YOE5+ MgmtMinimum 5 years administrative and supervisory experience (including fiscal and HR) with at least 3 direct reports; proficient with DOH systems and Microsoft Office; strong budget, revenue/expense, and project management skills.
CONMAN, FLAIR, FIRS, FIS, HMS, My Florida Market Place (AOD), Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft Teams, Microsoft PowerPoint
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Enterprise Flight Simulation Systems Admin / F-35 / Orlando, FL
Orlando, Florida, United States
$100k-$176k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Requires transferable Secret clearance (reinvestigation within 5 years), SAP access, Security+ (or ability to obtain), F-35 FMS/MRT simulation experience, simulation hardware/software knowledge, Microsoft Office and VMware proficiency, and willingness to support rotating/on-site schedules with up to 25% travel.
Full Mission Simulator (FMS), Mission Rehearsal Trainer (MRT), VMware, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Windows, Linux, statistical-process-control (SPC)
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Sr. Financial Systems Analyst
Tampa or Channelview
$100k-$110k/yr HybridFull Time
Depot Connect International
Depot Connect International: Provides tank trailer cleaning and container maintenance services
5+ YOEBachelor's in MIS/CS/Finance/Accounting,5+ years systems analysis or financial systems admin,3+ years OneStream experience,Strong accounting fundamentals,ability to lead implementations and support FP&A/Accounting teams.
OneStream, Great Plains, Microsoft Dynamics GP, SQL, Python, VB.NET
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Financial Analyst Senior - Temporary, Corporate Accounting
Tampa, Florida, United States
$74k/yr HybridPart Time
Tampa General Hospital
Tampa General Hospital: Provides specialized medical care and academic hospital services.
5+ YOEBachelor's degree in business/finance/healthcare admin, 5+ years financial/decision support experience in health systems, familiarity with decision support/ERP systems (Strata, PeopleSoft), strong communication and analytical skills.
Strata, PeopleSoft, ERP
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Service Cashier/BDC
Orlando, Florida, United States
OnsiteFull Time
Toyota of Clermont
Toyota of Clermont: Retailer of new and used Toyota vehicles and services.
1+ YOE1-2 years as receptionist/dispatcher/admin; MS Office; bilingual (Spanish); weekend availability; multi-line phone system; exceptional customer service.
Microsoft Office
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Financial Analyst
Tampa, Florida, United States
OnsiteFull Time
Quiet Professionals
Quiet Professionals: Defense contractor providing intelligence, cybersecurity, and operational mission support.
5+ YOEBachelor's in Finance, Business Admin, or related field; or 5+ years in financial management. Expertise in DoD budget execution, forecasting, and cost estimation; PPBE process; defense financial systems.
DoD budgeting systems, Financial forecasting software, PPBE tooling
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STINGRAI Field Service Rep - 28733 (Tampa, FL, Florida, United States)
Tampa, Florida, United States
$71k-$125k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOETS/SCI clearance; 5+ years in tactical systems support or DoD tech roles; Linux/server admin; network design; strong documentation and stakeholder coordination; 51-75% travel.
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Atlassian Administrator
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
1+ YOEAssociate's degree or 1 year admin experience, 1+ year system engineering/IT support, hands-on Atlassian suite experience, Jira administration, JQL/REST/Groovy, SDLC/agile knowledge, troubleshooting and security awareness.
Jira, Confluence, JQL, REST, Groovy, Oracle, Linux
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IT Specialist - Security Clearance Eligibility Required
Orlando, Florida, United States
OnsiteFull Time
AVT Simulation
AVT Simulation: Designs and manufactures flight and gunnery training simulation systems.
2+ YOE2+ years IT helpdesk/system admin experience, Windows Server/Active Directory, VMware vSphere, PDQ, Veeam, ThreatLocker, Cisco basics; CompTIA A+/Network+ required, Security+ preferred; must be U.S. Person able to obtain security clearance.
PDQ Deploy, PDQ Inventory, ScreenConnect, PRTG Network Monitor, Microsoft 365 (GCC High), SharePoint, Jira, Confluence, Bitbucket, Bamboo, VMware vSphere, Synology, Veeam, Cisco Firepower, Cisco Catalyst, ThreatLocker, Bitdefender, Wazuh, Active Directory, Windows Server
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IT ServiceNow Developer
Tampa, Florida, United States
OnsiteFull Time
Holland & Knight
Holland & Knight: Global law firm providing legal and lobbying services.
2+ YOE2+ years system admin/developer experience, 2+ years scripting (JavaScript,CSS,HTML,Angular JS), LDAP/Active Directory and SSO experience, 3+ years IT service delivery, Bachelor's in CS preferred, ServiceNow or similar platform experience.
ServiceNow, JavaScript, CSS, HTML, Angular JS, LDAP, Active Directory, Single Sign On, Remedy, HP
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Virtualization Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or MacDill AFB or Springfield
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOE8+ years IT experience; active TS/SCI with poly; VMware/Hyper-V; Windows and Linux server admin; patching, hardening, and compliance.
VMware, Hyper-V, Windows Server, Linux Server, Patching and vulnerability management, Security and compliance tooling
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Network Infrastructure and Functional Systems Administrator and Engineering Support (Pipeline)
Tampa, Florida, United States
OnsiteFull Time
Lucayan Technology Solutions
Lucayan Technology Solutions: A technology services delivering IT infrastructure and security solutions.
3+ YOENetwork admin with 3+ years, DoD cybersecurity knowledge, secret clearance required, CAC/installation access required, Bachelor's or equivalent experience.
TCP/IP, DNS, DHCP, VLANs, VPNs, Routing protocols (OSPF/EIGRP), Cisco, Juniper, Firewall, DoD STIGs, ACAS, RMF, ServiceNow, Remedy
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Senior Director, Business Transformation - Lean
Secaucus or Clifton or Marlborough or Tampa or Irving or Chantilly or Wood Dale
$200k-$250k/yr HybridFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
10+ YOEBachelor's required (Business Admin or Manufacturing/Industrial Engineering), MBA preferred; 10+ years deploying Lean across large organizations; experience designing Lean Business Systems, managing multi-million budgets, leading Kaizen and change management; 25-50% travel.
Lean Business System, DMS, Problem Solving Process, PSP, A3, PDCA, 8-D, Value Stream Map, Toyota Production System, Danaher Business System, Shingijutsu Kaizen, 5S, SMED, kanban, mistake proofing, TPM, Takt time, standard work, single piece flow, Lean/Kata