36 windows systems administrator jobs at 23 companies in Trinity, FL
1mo
Save
Mark Applied
Hide
Windows Systems Administrator - TS/SCI with Polygraph
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$111k-$150k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph and U.S. citizenship required, 8+ years IT experience, bachelor\u0002s in IT or 10+ years experience in lieu, meet DoD 8140 certification (e.g., Security+ CE); Windows Server, Active Directory, GPO, PowerShell, STIG/HBSS, virtualization.
Group Policy Objects (GPO), Microsoft Windows Server, Active Directory, PowerShell, STIG, HBSS, SCAP
1mo
Save
Mark Applied
Hide
Windows Systems Administrator - TS/SCI with Polygraph
Annapolis Junction or Washington or Colorado Springs or Tampa or Springfield
$111k-$150k/yr OnsiteFull Time
8+ YOEActive TS/SCI with favorable polygraph, 8+ years related IT experience, DoD 8140 IAWF cert (e.g., Security+ CE), hands-on Windows Server/AD/GPO/PowerShell, STIG/HBSS compliance, virtualization and patch management experience; US citizenship required.
Group Policy Objects (GPO), Microsoft Windows Server, Microsoft Active Directory, PowerShell, STIG, HBSS, SCAP
6d
Save
Mark Applied
Hide
IT Systems Administrator
Dunedin, Florida, United States
OnsiteFull Time
Systems administration experience with databases, LAN/WAN networks, patch management, security, backups, Windows, troubleshooting, and customer service. Must hold or obtain A+, Network+, and Security+ within one year.
Microsoft Windows, LAN, WAN
6h
Save
Mark Applied
Hide
IT Systems Administrator
Clearwater or Pompano Beach or Sarasota or Raleigh or Mooresville
OnsiteFull Time
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+
1w
Save
Mark Applied
Hide
Systems Administrator (Cleared)
Clearwater, Florida, United States
$90k-$125k/yr OnsiteFull Time
4+ YOEU.S. citizenship, active Secret clearance, 4+ years of cybersecurity experience, English proficiency, and strong networking, systems administration, information assurance, RMF, Windows, Linux, and Unix skills required.
Windows Server 2016 R2, Windows 10 Professional/Enterprise, Linux, Unix, NIST 800-53, NIST 800-171, CMMC, RMF, POA&Ms, ATO
2mo
Save
Mark Applied
Hide
Systems Administrator
Tampa, Florida, United States
OnsiteFull Time
8+ YOEBachelor's in CS or related field; 8+ years in a SysAdmin role; Windows and Linux; security and privacy knowledge; strong problem-solving and communication; independent and team player.
Windows, Linux, Network Security
2w
Save
Mark Applied
Hide
Systems Administrator
Plant City, Florida, United States
OnsiteFull Time
3+ YOEExperience administering Windows Server, Active Directory, Azure, Intune and networking; CompTIA Security+; strong troubleshooting, communication, and organizational skills; able to obtain security clearance.
Cisco, Ubiquiti, Aruba IAP, Blade servers, VM, Intune, Azure Active Directory, Group Policy, Active Directory, Windows Server, SNMP, Cisco CLI
1w
Save
Mark Applied
Hide
Systems Administrator - Tampa (Hybrid)
Tampa, Florida, United States
$85k-$95k/yr HybridFull Time
5+ YOE5+ years systems administration with SaaS and identity provider experience; SAML/OIDC/SCIM implementation; macOS/Windows/Linux support; scripting and API integration; onboarding/offboarding ownership; able to work hybrid in Tampa and travel up to 25%.
SAML, OIDC, SCIM, REST APIs, webhooks, macOS, Windows, Linux, iPaaS
2mo
Save
Mark Applied
Hide
Systems Administrator
Port Richey or Spring Hill or Sarasota or Jacksonville or Fort Myers or Fort Lauderdale
FieldFull Time
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
1w
Save
Mark Applied
Hide
Systems Administrator (Cleared)
Clearwater, Florida, United States
OnsiteFull Time
4+ YOEUS citizen with active Secret clearance and ability to obtain Top-Secret; 4+ years cyber experience; knowledge of RMF, NIST 800-171/CMMC, Windows and Linux; relevant certifications preferred.
Windows Server 2016 R2, Windows 10, Linux, Unix
4w
Save
Mark Applied
Hide
Security Systems Administrator
Orlando or Reston or Tampa or United States
RemoteFull Time
2+ YOE2+ years supporting and securing enterprise systems, network and cloud environments; knowledge of hardening, patching, vulnerability and incident response; strong troubleshooting and communication skills.
Windows Server, Linux, Entra ID, Group Policy, Purview, Intune, AWS, Microsoft Azure, Google Cloud Platform
1mo
Save
Mark Applied
Hide
Infrastructure Systems Administrator (07151)
Hillsborough County or Citrus County or Hardee County or Hernando County or Lake County or Manatee County or Pasco County or Pinellas County or Polk County or Sarasota County or Sumter County
$110k-$166k/yr OnsiteFull Time
5+ YOEMaintain and administer Windows/Linux systems, AD/IAM, M365, Azure, AWS, SIEM, MDM, virtualization, backup/disaster recovery, scripting, and enterprise monitoring; 5+ years experience (varies by degree) and ability to pass background/polygraph checks.
Active Directory (AD), Identity and Access Management (IAM), Microsoft 365 (M365), Microsoft Azure, Microsoft Entra ID, Amazon Web Services (AWS), Security Information and Event Management (SIEM), Mobile Device Management (MDM), Enterprise Storage Area Network (SAN), Network File System (NFS), Fibre Channel, VMware vSphere ESXi, VMware NSX, VMware Workspace ONE, Red Hat, Microsoft Exchange, Mac OS X, Windows Server 2019+
3mo
Save
Mark Applied
Hide
Systems Administrator I
Clearwater, Florida, United States
HybridFull Time
4+ YOESupport end-user desktop, laptop, phone, mobile devices; troubleshoot incidents; perform PC/hardware maintenance; provide hands-on and remote end-user support; ensure SLAs.
Windows, SCCM, Remote connectivity software, PC hardware, Mobile devices, Telephones, Wireless systems, Industry-standard application software
1mo
Save
Mark Applied
Hide
Systems Admin, Infrastructure
Clearwater, Florida, United States
OnsiteFull Time
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
4w
Save
Mark Applied
Hide
Systems Engineer
Tampa, Florida, United States
OnsiteFull Time
12+ YOETS/SCI clearance required; DoW 8570 IAT II and 8140 Work Role Code 451 compliance; mastery of systems engineering, Active Directory, Windows Server, RBAC, DFS; mentoring and multi-site administration experience.
Active Directory, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, VMware, Nutanix, Microsoft 365, Azure, Linux Red Hat, DFS, RBAC
5d
Save
Mark Applied
Hide
System Administrator
Tampa or Fayetteville
OnsiteFull Time
5+ YOEActive U.S. Secret clearance and citizenship; bachelor's degree or equivalent; 5+ years administering Windows Server, Linux, virtualization, storage, and enterprise infrastructure; DoD IAT Level II certification and STIG/RMF experience.
Microsoft Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, RMF, STIG, Microsoft Windows, CompTIA Security+ CE
1mo
Save
Mark Applied
Hide
Systems Analyst (L2) - Hybrid
Puyallup or Federal Way or Kirkland or Seattle or Tacoma or Issaquah or Bellingham or Tampa or Arlington or Washington
$30-$35/hr HybridFull Time
CompTIA A+ or Network+ required, MD-102 preferred; strong Windows and macOS skills, Windows Server administration, SonicWall and Datto networking, Microsoft 365/Office 365, Azure or AWS, Datto BCDR/SaaS Backup, Autotask PSA (plus); ability to lift 50 lbs and reliable transportation.
Microsoft Windows 10, Microsoft Windows 11, macOS, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, SonicWall, Datto Networking, Microsoft 365, Microsoft Office 365, Microsoft Azure, AWS, Datto BCDR, SaaS Backup, Autotask PSA, Microsoft Hyper-V
2w
Save
Mark Applied
Hide
GCCS System Administrator
Tampa, Florida, United States
OnsiteFull Time
Active TS/SCI clearance, experience administering Solaris,RHEL,Windows, AD, VMware, enterprise databases and Java app servers; scripting and DoD security compliance experience.
Global Command and Control System (GCCS), Solaris, Zones, ZFS, Red Hat Enterprise Linux (RHEL), Windows, Microsoft Active Directory (AD), VMware, Oracle, Sybase, PostgreSQL, MySQL, WebLogic, Tomcat, JBoss, NFS, SSH, NTP, LDAP, Apache, PowerShell, Java
1mo
Save
Mark Applied
Hide
Mid-Level DoW experienced IT Systems Manager – Top Secret with SCI eligibility
MacDill AFB, Florida, United States
$112k-$179k/yr OnsiteFull Time
8+ YOE8+ years IT systems administration/management experience (or +12 years in lieu of degree), DoW/LE/Combatant Command experience, Windows Server/AD/NAS/SAN administration, air‑gapped systems, IA/STIGs, IA coordination, and relevant certifications.
Windows Server, Active Directory, NAS, SAN, SharePoint, M365, NetApp, Isilon, Dell EMC, PowerShell, Python, SQL
2w
Save
Mark Applied
Hide
SITEC - Cloud Systems Engineer - MacDill AFB
MacDill AFB, Florida, United States
$104k-$166k/yr OnsiteFull Time
3+ YOETS/SCI clearance and DoD 8570 IAT II required; 3+ years AWS/Azure experience; Windows Server administration; Microsoft platform proficiency; 3+ years IT experience; systems engineering and performance optimization skills.
AWS, Microsoft Azure, EC2, Azure Virtual Machines, VPC, Virtual Networks, S3, Microsoft Windows Server, Microsoft Office
Explore Jobs