122 linux system administrator jobs at 63 companies in Florida

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
1w
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IT Linux System Administrator 2
Centennial or Cape Canaveral or Decatur or Vandenberg AFB
$82k-$136k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
2+ YOEBachelor in STEM or equivalent, minimum 2 years related experience, foundational Linux administration (RHEL/Rocky/AlmaLinux/Ubuntu), ability to obtain DoD TS/SCI, US citizenship required, basic networking and troubleshooting skills.
RHEL, Rocky, AlmaLinux, Ubuntu, Bash, Python, Ansible
1w
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System Administrator III - Linux
Key Biscayne, Florida, United States
HybridFull Time
GAMA-1 Technologies
GAMA-1 Technologies: Provides IT, cloud, and security services to federal agencies.
8+ YOE8+ years Linux systems administration with 5+ years supporting RHEL, experience with Terraform/Ansible/Python/PowerShell/Bash, cloud (Azure/AWS), Active Directory/Entra ID integration, and federal compliance frameworks.
Red Hat Enterprise Linux (RHEL), Terraform, Ansible, Python, PowerShell, Bash, VMware, Microsoft Azure, AWS, Microsoft Active Directory, Microsoft Entra ID
1w
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System Administrator III - Linux
Key Biscayne, Florida, United States
HybridFull Time
GAMA-1 Technologies
GAMA-1 Technologies: Delivers cloud modernization and IT services for federal agencies.
8+ YOE8+ years Linux systems administration experience, 5+ years with RHEL, experience with IaC and automation (Terraform, Ansible), scripting (Python, PowerShell, Bash), cloud (Azure, AWS), AD/Entra integration, and federal compliance knowledge.
Red Hat Enterprise Linux (RHEL), Microsoft Active Directory, Microsoft Entra ID, Terraform, Ansible, Python, PowerShell, Bash, VMware, Microsoft Azure, AWS
3w
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Senior Linux/UNIX System Administrator
Patrick Space Force Base or Brevard County
OnsiteFull Time
GCubed
GCubed: Provides cybersecurity and IT infrastructure services to government agencies.
5+ YOE5+ years Linux/UNIX administration with Red Hat 7.x and Solaris; Security+ required, RHCSA/RHCE preferred; Top Secret clearance and IAT Level 2; containerization (Docker/Kubernetes) and scripting/migration experience a plus.
Red Hat 7.x, Oracle Solaris 11, Docker, Kubernetes, Ansible, Red Hat Satellite, Red Hat Enterprise Virtualization, ZFS
1mo
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Linux Systems Administrator
Melbourne, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Provides IT and systems management support.
3+ YOE3+ years Linux system administration; strong Linux, scripting, and security practices; virtualization experience; Ansible/Puppet/Chef a plus.
Linux, VMware, KVM, Shell scripting, Python, Perl, Ansible, Puppet, Chef
2d
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Linux Systems Administrator
Hurlburt Field, Florida, United States
OnsiteFull Time
Chenega IT Enterprise Services
Chenega IT Enterprise Services: Provides professional IT and mission support services to government agencies.
3+ YOE3+ years Linux systems administration experience, DoD IAT Level II, Linux certification (CompTIA Linux+/LPIC/RHCSA), Top Secret clearance, Bash/Python scripting, virtualization/cloud and STIG implementation experience.
Bash, Python, Microsoft Office, VMware, Hyper-V, Microsoft Azure, Amazon Web Services (AWS), Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS
1w
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Linux Administrator
Pensacola, Florida, United States
$70k-$115k/yr OnsiteFull Time
ValidaTek
ValidaTek: Provides IT modernization and systems engineering for federal agencies.
3+ YOEActive Secret clearance, DoD 8570 IAT Level II (e.g., Security+ CE), 3+ years systems administration experience, strong RHEL, Ansible, Red Hat Satellite, scripting (Bash, Python), virtualization, STIG/RMF knowledge, and security documentation skills.
Red Hat Enterprise Linux (RHEL), Red Hat Satellite, Ansible, Apache NiFi, Apache Kafka, VMware vSphere, KVM, Bash, Python, eMASS, HBSS, ACAS, Splunk, Podman, Docker, Kubernetes, OpenShift, ITIL
2mo
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Linux Systems Administrator
MacDill AFB, Florida, United States
$115k-$155k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOE5+ years Linux/RedHat administration; DoD 8140/8570 certification; TS/SCI eligible; US citizenship; on-site required; strong Linux, security hardening, documentation skills.
Red Hat Enterprise Linux, CentOS, Apache, Nginx, DNS, DHCP, LDAP
1mo
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System Administrator
Kissimmee, Florida, United States
HybridFull Time
Maverc Technologies
Maverc Technologies: Provides managed cybersecurity and IT services for organizations.
3+ YOE3–5 years in system/network administration; Windows/Linux; virtualization; security controls; SIEM; AD/GP DNS DHCP; CCNA/Security+/CMMC-CCA/CCP or CISSP; U.S. citizenship for DoD work.
Windows Server, Linux, virtualization (VMware/Hyper-V), Microsoft 365, SIEM, endpoint protection, vulnerability scanning, Active Directory, DNS, DHCP, PowerShell, Bash
3mo
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System Administrator
Doral, Florida, United States
OnsiteFull Time
People, Technology & Processes
People, Technology & Processes: Provides IT services and mission support for government agencies.
3+ YOE3+ years' experience managing systems; Linux Red Hat and Windows servers; IA scans; Security+ and Windows Server certs; 3+ years data management/discovery/visualization; Bachelor's preferred.
Linux, Windows Server, Virtualization, Information Assurance (IA) Scans, Security+
2mo
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IT System Administrator
Miami, Florida, United States
OnsiteFull Time
Itaú Unibanco
Itaú UnibancoNYSE: ITUB: Financial institution providing global private banking and wealth management services.
5+ YOE5+ years in IT infrastructure/system administration; strong Windows/Linux, virtualization, cloud and security experience; English required; Portuguese/Spanish preferred.
Windows Server, Linux, VMware, Hyper-V, Azure, AWS, Microsoft 365, Active Directory, IAM, GPOs, DNS, DHCP, MFA, Firewalls, Patching, Scripting (PowerShell,Bash)
1w
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Linux Systems Administrator
Tampa, Florida, United States
$98k-$133k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
3+ YOE3+ years administering Red Hat/CentOS Linux in enterprise environments; DoD 8140/8570 (CompTIA Security+ CE) required; TS/SCI clearance and US citizenship required; strong troubleshooting, performance tuning, and documentation skills.
Red Hat, CentOS, Apache, Nginx, DNS, DHCP, LDAP, SSL/TLS
2w
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System Administrator
Panama City, Florida, United States
$68k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive Top Secret/SCI clearance, 5+ years enterprise systems administration, Security+ certification, bachelor’s or equivalent, experience with Windows Server, RHEL/Ubuntu, VMware, SolarWinds, Splunk, scripting (PowerShell/Bash).
Windows Server, Red Hat Enterprise Linux (RHEL), Ubuntu, VMware vSphere/ESXi, SolarWinds, Kiwi Syslog Server, Splunk, Microsoft PowerShell, Bash, ACAS, DISA STIG, SCAP, Microsoft Active Directory
2w
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System Administrator
Panama City, Florida, United States
$68k-$142k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, Security+; 5+ years enterprise systems administration; experience with Windows Server, RHEL/Ubuntu, VMware, SolarWinds, Splunk, scripting (PowerShell/Bash), AD/Group Policy, DISA STIGs, backup and patch management.
Windows Server, Red Hat Enterprise Linux (RHEL), Ubuntu, VMware vSphere/ESXi, SolarWinds, SolarWinds Windows Event Forwarder, Kiwi Syslog Server, Splunk, ACAS, PowerShell, Bash, Active Directory, Group Policy, DISA STIG, SCAP
2w
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System Administrator
Valparaiso, Florida, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOE2+ years IT experience, Bachelor’s degree (or 2 years additional experience), DoD 8570 IAT Level II, active Top Secret clearance, experience with Microsoft Windows Server, Hyper-V/VMware/Xen, Red Hat Enterprise Linux, Citrix, account management and system patching.
Microsoft Hyper-V, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Red Hat Enterprise Linux, VMWare, ESx, Xen, Citrix, Group Policy
3d
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Lead, Linux Systems Administrator (41008)
Jupiter, Florida, United States
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEActive Secret clearance, Red Hat Linux administration, SCAP/STIG compliance, DOD 8140 certification (e.g., Security+), bachelor's plus ~9 years experience (alternatives described), ability to obtain TS/SCI with CI polygraph.
Red Hat, SCAP, STIG, RMF, High Performance Compute Cluster
5d
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Windows System Administrator
McLean or Melbourne
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOE4+ years Windows systems administration experience, Linux support, patching, vulnerability remediation, PowerShell/Bash scripting, automation, and ability to obtain Public Trust.
SolarWinds, HP Report Optimizer, Crystal Reports, HP Insight Remote Support, PowerShell, Bash, Azure DevOps, Jenkins, Microsoft Forefront Threat Management Gateway (TMG), IIS, Hadoop 3.x, RHEL, CentOS
1mo
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System Administrator
Vero Beach, Florida, United States
OnsiteFull Time
Piper Aircraft
Piper Aircraft: A general aviation aircraft manufacturer and employer based at a corporate headquarters in Florida.
3+ YOEMaintain data center operations, administer Windows and Linux servers, manage virtualization, storage, backups, networking, Exchange/IIS, MFA, and security tools; Bachelor's in CS/IS and 3+ years experience required; MCP/MCSE/A+ preferred.
Microsoft Active Directory, Microsoft Group Policy, Microsoft SCCM, Veeam, CrowdStrike, Microsoft Exchange, Microsoft IIS, TCP/IP, VPN, DHCP, DNS, NTP, VMware, Proxmox, OLVM, Pure Storage, Synology, TrueNAS, Duo, Proofpoint, Microsoft Remote Desktop Services
1mo
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Senior System Administrator
Fort Lauderdale, Florida, United States
OnsiteFull Time
Hotwire Communications
Hotwire Communications: Providing fiber-optic internet, television, and voice services.
Bachelor's in IT or related; strong Microsoft and Linux server experience; VMware and virtualization experience; configure DHCP, DNS, web servers, load balancers, relational databases, and storage; scripting and mentorship; flexible schedule and on-call participation.
Microsoft, Linux, VMware, DHCP, DNS, web servers, load balancers, relational databases, storage systems, Python, JavaScript, C++, Java
1mo
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Sr Principal HPC Linux Systems Administrator - Secret
Melbourne, Florida, United States
$112k-$168k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
6+ YOERequires U.S. Secret clearance, Security+ CE, 6+ years (with Master's) or equivalent experience, Linux/Red Hat and HPC systems experience, knowledge of RMF/STIG/JSIG/NISPOM environments, ability to obtain Top Secret and Special Programs access.
Red Hat, Linux, Active Directory, Group Policy, Ethernet, InfiniBand, C, Fortran, Python, Bash, GNU Make, CMake, STIG, JSIG, RMF, NISPOM, DCID 6/3-ICD 503, JAFAN

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