31 system admin jobs at 17 companies in Oldsmar, FL

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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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
1mo
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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
1w
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Sales Support - Admin II
Sarasota, Florida, United States
OnsiteFull Time
D&D Garage Doors
D&D Garage Doors: Installs and services garage doors and hurricane shutter systems.
Provide high-volume phone support, process orders and deposits, coordinate scheduling, upload contracts and documentation, and use business systems; prior admin/sales support experience preferred.
Acumatica
3w
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Systems Admin, Infrastructure
Clearwater, Florida, United States
OnsiteFull Time
Lincare
Lincare: Provides home respiratory therapy and durable medical equipment services.
2+ YOE2-4 years system administration experience with Windows/Linux, vSphere (multiple ESXi clusters), Citrix XenApp/XenDesktop, Active Directory, PowerShell/VBScript, IIS, and familiarity with M365/Azure; bachelor's in technology preferred.
Windows, Linux, VSphere 6, VSphere 6.5, VSphere 6.7, ESXi, Active Directory, PowerShell, Vbscript, Batch, Citrix XenApp, Citrix XenDesktop, M365, azure, Rightfax, IIS, Cisco UCS, Hyland Onbase, PRTG Network Monitor
3w
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Executive Admin Svc Specialist
St. Petersburg, Florida, United States
$40k-$48k/yr OnsiteFull Time
St. Petersburg College
St. Petersburg College: Public college providing associate and bachelor degree programs.
4+ YOEAssociate degree or equivalent plus 4 years progressive administrative experience; supervisory ability; budget, data, and office systems proficiency; strong written and verbal communication.
1mo
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Cyber Systems Admin (SkillBridge) Tampa FL
Tampa, Florida, United States
$72k-$108k/yr OnsiteFull Time, Internship
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEUS citizen with active Top Secret/SCI clearance, DoD 8570 IAT Level II (e.g., Security+ CE), ability to configure/manage Linux and Windows, virtualization, networking, and provide Tier 1/2 system support.
vCenter, ESXi, Ubuntu, Red Hat, PyPI, CentOS, Linux, Windows, Microsoft Active Directory, DHCP, GPO, DNS, LDAP, Microsoft Exchange, Microsoft Endpoint Configuration Manager (MECM), MS SQL, WSUS, Jira, Confluence, Bitbucket, Bamboo
6d
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Real Estate Agent - Marketing & Admin Support Provided
North Las Vegas or Pinellas County or Manatee County or Sarasota County
$80k-$150k/yr FieldContract
Provix Group
Provix Group: A real estate team that provides leads, administrative and marketing support so agents can focus on closing deals.
Active state real estate license required (Nevada and/or Florida mentioned), comfortable covering local counties, coachable and accountable, able to follow team systems.
CRM, Zoom
3w
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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.
3d
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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
1mo
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Cyber Systems Admin (SkillBridge) Tampa FL
Tampa, Florida, United States
$72k-$108k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
0+ YOEU.S. citizenship and active Top Secret/SCI required. DoD 8570 IAT Level II (e.g., Security+ CE). Degree/experience combinations (Master's 0yrs, Bachelor's 2yrs, Associate 4yrs, HS 6yrs). Linux/Windows administration, virtualization, networking, and help-desk support skills.
vCenter, ESXi, Linux, Ubuntu, Red Hat, PyPi, CentOS, Windows, Microsoft Active Directory, DHCP, GPO, DNS, LDAP, Microsoft Exchange, Microsoft Endpoint Configuration Manager (MECM), Microsoft SQL, Microsoft WSUS, Jira, Confluence, Bitbucket, Bamboo
3mo
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IT Systems Administrator
Crystal Springs, Florida, United States
OnsiteFull Time
Cross Environmental Services
Cross Environmental ServicesOTC: CESX: Provides environmental remediation, asbestos abatement, and demolition services.
2+ YOE2+ years IT support or systems administration; MS 365 admin; on-site work; MSP exposure a plus; cybersecurity exposure helpful.
Microsoft 365, Endpoint protection, IT troubleshooting
2mo
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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
3w
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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
1mo
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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
1mo
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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.
1w
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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
2mo
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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
2mo
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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
1mo
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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
2mo
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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
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOE8+ years IT experience; TS/SCI with poly; virtualization on VMware/Hyper-V; Windows & Linux admin; patching; DoD 8140 certs; US citizenship
VMware, Hyper-V, Windows Server, Linux Server, STIG, Patching tools