19 linux systems administrator jobs at 12 companies in Trinity, FL
1w
Save
Mark Applied
Hide
Linux Systems Administrator
Tampa, Florida, United States
$98k-$133k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
3+ YOETS/SCI clearance required, 3+ years Linux systems administration experience, DoD 8140/8570 or CompTIA Security+ CE, proficiency with Red Hat/CentOS and Linux services, strong troubleshooting and documentation skills.
Red Hat, CentOS, Apache, Nginx, DNS, DHCP, LDAP, SSL/TLS
1w
Save
Mark Applied
Hide
Linux Systems Administrator
Tampa, Florida, United States
$98k-$133k/yr OnsiteFull Time
3+ YOEUS citizen with TS/SCI clearance, 3+ years Linux systems administration experience, DoD 8140/8570 (CompTIA Security+ CE), Red Hat/CentOS administration, patching, security hardening, and strong troubleshooting and documentation skills.
Red Hat, CentOS, Apache, Nginx, DNS, DHCP, LDAP, SSL/TLS
4d
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
5d
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
4d
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
3w
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+
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
3mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Virtualization Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or MacDill AFB or Springfield
$147k-$199k/yr OnsiteFull Time
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
3w
Save
Mark Applied
Hide
Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
4+ YOEActive TS/SCI with polygraph, 4+ years IT experience, DoD 8140 certification (e.g., Security+ CE), hands-on experience with enterprise monitoring platforms, Windows/Linux administration, patching, hardening, and compliance.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
3w
Save
Mark Applied
Hide
Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
4+ YOEActive TS/SCI with polygraph, 4+ years related experience, DoD 8140/Information Assurance cert (e.g., Security+ CE), hands-on with enterprise monitoring platforms, Windows/Linux administration, patching and compliance experience.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
1w
Save
Mark Applied
Hide
System Administrator
Tampa, Florida, United States
OnsiteFull Time
4+ YOEActive Secret clearance, DoD 8140 IAT Level II certification, bachelor\u0002s degree or 4+ years experience, virtualization/Linux/Microsoft certifications, experience with RMF, server and storage administration.
Linux, MS Server, MS Exchange, VMWare vCenter, VIEW VDI, VMware Horizon View, SCCM, ESXi, VMware vSphere, SAN, NAS, ADCS, IIS, Risk Management Framework (RMF)
1w
Save
Mark Applied
Hide
System Administrator
Tampa, Florida, United States
OnsiteFull Time
4+ YOEBachelor's degree (or equivalent experience) with 4+ years IT experience, DoD 8140 IAT Level II certification, virtualization/Linux/Microsoft certifications, active Secret clearance, and experience with Linux, Microsoft Server, VMware, SCCM, SAN/NAS, ADCS, IIS, and RMF processes.
Linux, Microsoft Server, Microsoft Exchange, VMware vCenter, VMware Horizon View, VMware ESXi, VMware vSphere, SCCM, SAN, NAS, Active Directory Certificate Services (ADCS), Internet Information Services (IIS), Risk Management Framework (RMF), POA&M
2d
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
3w
Save
Mark Applied
Hide
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
3w
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
3d
Save
Mark Applied
Hide
AI Implementation Specialist II
Tampa, Florida, United States
RemoteFull Time
3+ YOE3+ years in IT, systems administration, integration, or automation, including 1+ year supporting production automations. Requires API, automation, Zendesk, AWS, Linux, Git, Jira, Python or JavaScript, and clear written English.
Anthropic Claude API, n8n, Zapier, Make, Microsoft Power Automate, Zendesk, AWS EC2, AWS S3, AWS IAM, AWS Lambda, AWS CloudWatch, Linux, SSH, Git, Jira, Python, JavaScript, Node, REST APIs, JSON, webhooks, OAuth, Pinecone, Microsoft Entra ID, Microsoft Graph API, SSO, Yardi Voyager, Microsoft SharePoint, Microsoft 365
Explore Jobs