122 linux system administrator jobs at 63 companies in Florida
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
Centennial or Cape Canaveral or Decatur or Vandenberg AFB
$82k-$136k/yrOnsiteFull Time
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.
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
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
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
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
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
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
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+
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)
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
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
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
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
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
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
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
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.
Sr Principal HPC Linux Systems Administrator - Secret
Melbourne, Florida, United States
$112k-$168k/yrOnsiteFull Time
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