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123 linux systems administrator jobs at 64 companies in Florida

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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
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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
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4d
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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
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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
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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
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4d
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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
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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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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
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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: Develops and manufactures advanced aerospace, defense, and space systems.
6+ YOERequires Secret clearance, Security+ CE, 6+ years experience (Master's+6 or equivalent), Linux/Red Hat admin experience, HPC systems design/operation, familiarity with RMF/STIG/JSIG/NISPOM, scripting (C/Fortran/Python/Bash), and ability to lift 50 lbs.
HPC, Red Hat, Linux, Active Directory, Group Policy, Ethernet, InfiniBand, C, Fortran, Python, Bash, GNU Make, CMake, STIG, JSIG, RMF, NISPOM, DCID 6/3, JAFAN
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3d
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Systems Administrator
Niceville, Florida, United States
OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
10+ YOEActive Top Secret clearance, 10+ years systems administration experience, strong VMware/virtualization, Windows and Linux administration, RMF/DoD environment experience, able to lift 35 lbs, willing to travel up to 20%.
VMware, vSphere, vDS, NSX, Windows, Active Directory, Group Policy, DNS, Web Application Proxy, ADFS, PKI, Linux, Docker, Containers, Kubernetes, RHEL, Satellite, Ansible, Horizon UAG, VDI, SQL Server, Splunk, SolarWinds, Trellix EPO, ACAS, HBSS, syslog
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2w
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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
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1w
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Systems Administrator III
Orlando, Florida, United States
$97k-$120k/yr OnsiteFull Time
The DiSTI Corporation
The DiSTI Corporation: Provider of 3D virtual training and GUI software.
5+ YOE5+ years Linux systems administration (RHEL/Ubuntu), Bachelor\u0002s in CS or related (or equivalent), proficiency with Python, Bash, Ansible, VMware, Veeam, Atlassian tools, and willingness to work rotating shifts/on-call.
RHEL, Ubuntu, Ansible, Python, Bash, VMware, Veeam, Jira, Confluence, Gitlab, Subversion, PlasticSCM, SAN, NAS, Observium, Lansweeper
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3d
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Senior Systems Administrator
Eglin AFB, Florida, United States
OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
7+ YOEU.S. citizen with 7+ years systems administration experience; IAT Level II or equivalent, active Secret clearance, Windows/Linux expertise, VM provisioning, patching, vulnerability remediation, DISA STIG/CIS/NIST compliance.
Windows, Linux, Virtual Machines (VMs), DISA STIGs, CIS Benchmarks, NIST SP 800-series
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2mo
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Systems Administrator
Atlanta or Raleigh-Durham or Phoenix or Tucson or Orlando or Nashville or Jacksonville or Houston or Greenville or Dallas or Tampa or Ft. Lauderdale or Charlotte or Austin
OnsiteFull Time
DPR Construction
DPR Construction: General contractor for complex technical and sustainable construction projects.
5+ YOE5-7 years IT experience; Windows Server administration; Active Directory; Office 365; cloud (AWS/Azure); PowerShell; scripting; enterprise identity management; Linux or Windows administration; on-call rotation.
PowerShell, Microsoft Graph, JavaScript, Shell scripting, Microsoft Office 365, Azure, AWS, Google Cloud, Oracle, Active Directory, Office 365, SharePoint Online, Exchange Online, ID management systems, SolarWinds, HP, Dell, Cisco
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1w
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Systems Administrator
Tampa, Florida, United States
OnsiteFull Time
Ultra
Ultra: Specialist electronic systems for defense and aerospace sectors.
5+ YOEAbility to support US-based users, administer Windows/Linux systems, Active Directory/Office365/Exchange, SAN/NAS storage, virtualization, and scripting (VB, Batch, WSH, PowerShell, Python); must obtain US Secret clearance and have a bachelor\u0002s or 5 years relevant experience.
VB, Batch, WSH, PowerShell, Python, Exchange, Office 365, Domain Controller, Active Directory, PowerVault, EqualLogic, NetApp, SAN, NAS, VMware, Hyper-V, Linux, UNIX, Deltek CostPoint
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3mo
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Systems Administrator
Fort Myers, Florida, United States
$60k-$66k/yr OnsiteFull Time
CAI
CAI: Provides global IT services and contingent workforce management solutions.
VMware vSphere experience, Windows/Linux admin, onsite in Fort Myers, FL; storage, networking, backups, DR, scripting.
VMware vSphere, ESXi, vCenter Server, Dell EMC, Pure Storage, Veeam, Windows Server, Linux, PowerShell, Ansible
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4w
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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
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1mo
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Classified Systems Administrator
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$115k-$160k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOETS/SCI with CI Polygraph required; U.S. citizenship. 3+ years technical experience or equivalent. Linux (Red Hat/CentOS/Ubuntu) and Windows administration, Active Directory, networking, NAS, firewall, PowerShell automation, DoD security guidance knowledge, and after-hours support.
Red Hat, CentOS, Ubuntu, Windows, NAS Storage, Firewall, Microsoft Active Directory, Group Policy, PowerShell, Enterprise Virtualization Tools, Multi-Factor Authentication, Public Key Infrastructure, Web Server, LDAP, Security Technical Implementation Guidelines (STIGS), Security Content Automation Protocol (SCAP), Host Based Security System (HBSS), Assured Compliance Assessment Solution (ACAS), DoD Ports, Protocols, and Services (PPS)
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1w
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Systems Administrator
Tampa, Florida, United States
OnsiteFull Time
Ultra Intelligence & Communications
Ultra Intelligence & Communications: Develops secure communications and intelligence systems for military operations.
5+ YOEAbility to obtain US Secret clearance; bachelor’s in CS or 5 years Windows systems admin experience; experience with Exchange/Office365/Active Directory, SAN storage, VMware/Hyper-V, scripting (VB/Batch/WSH/PowerShell/Python).
VB, Batch, WSH, PowerShell, Python, Exchange, Office 365, Domain Controller, Active Directory, PowerVault, EqualLogic, NetApp, SAN, NAS, VMware, Hyper-V, Linux, UNIX, Deltek CostPoint
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1mo
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Systems Administrator - Tampa (Hybrid)
Tampa, Florida, United States
$85k-$95k/yr HybridFull Time
Strive Pharmacy
Strive Pharmacy: Personalized pharmaceutical compounding and custom medication production.
5+ YOE5+ years system administration experience; MacOS/Windows/Linux, networking, virtualization, cloud (AWS/Azure/GCP), SaaS/Okta administration, scripting (PowerShell/Bash/Clojure/Elixir/Go), ConnectWise/NinjaOne/Addigy/Intune experience; Bachelor's degree; industry certifications.
Okta, Google Workspace, Microsoft 365, ConnectWise Automate, ConnectWise Control, NinjaOne, Addigy, Microsoft Intune, AWS, Azure, GCP, ERP, CRM, Pharmacy management systems, PowerShell, Bash, Clojure, Elixir, Go
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4d
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Systems Administrator
Eglin Air Force Base, Florida, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOE7+ years experience; bachelor\u0002s degree or 2 additional years of experience substitute; DoD 8570 IAT II; experience with Windows Server, Red Hat Enterprise Linux, Hypervisors, Group Policy; active Secret clearance eligibility.
Microsoft Hyper-V, Microsoft Server 2008 R2, Microsoft Server 2012 R2, Microsoft Server 2016, Red Hat Enterprise Linux, VMware ESx, Xen, Group Policy
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