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Linux System Administrator Jobs in Florida (NOW HIRING)

ValidaTek

Linux Administrator

Pensacola, FL · On-site

ValidaTek is seeking a reliable and highly skilled Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is ...

ValidaTek, Inc.

Linux Administrator

Pensacola, FL · On-site

$75K - $140K/hr

ValidaTek is seeking a reliable and highly skilled Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is ...

TEKsystems

System Adminstrator

Niceville, FL

$42 - $50/hr

The Systems Administrator will support approximately 100+ users and 15+ servers in a highly ... Candidates should possess hands-on experience administering Linux systems, managing VMware ...

ValidaTek, Inc.

Senior Linux Administrator

Pensacola, FL · On-site

$90K - $140K/hr

ValidaTek is seeking a reliable and highly skilled Senior Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This ...

ValidaTek

Senior Linux Administrator

Pensacola, FL · On-site

ValidaTek is seeking a reliable and highly skilled Senior Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This ...

SAIC

$75K - $102K/yr

Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum ... MCSA, Asure, Linux System Administration Fundamentals, Microsoft certified: Fundamentals or ...

IMS People

Be Seen First

System Administrator

Tallahassee, FL · On-site

$65 - $70/hr

Systems Administrator (AWS | Windows Server | Azure) Location : Tallahassee, FL (100% Onsite ... Azure DevOps * Linux (RedHat/Ubuntu) * Microsoft 365 Administration * GCP * API Management

L3HHCM20

Linux Systems Administration

Melbourne, FL · On-site

Linux Systems Administration Job Code: 38013 Job Location: Melbourne, FL Job Schedule: 5/8: ... We are seeking an experienced Systems Administrator to join our team. The successful candidate will ...

InstantServe LLC

System Administrator

Tallahassee, FL · On-site

Strong Linux Administration experience ( RedHat and Ubuntu ) * Knowledge of networking fundamentals , including TCP/IP and DNS * Experience with system monitoring, troubleshooting, performance tuning ...

Survice

System Administrator

Fort Walton Beach, FL

$75K - $120K/yr

Position System Administrator * Location: Eglin AFB, Florida * Security Clearance: Active Secret ... Basic knowledge of Linux administration. * Understanding of Networking fundamentals (TCP/IP, DNS ...

System One

Linux Systems Engineer

Miramar, FL · On-site

Administer, troubleshoot, and optimize Linux servers, ensuring high availability, security, and ... Monitor system performance, analyze logs, perform tuning, and conduct proactive maintenance to ...

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Linux System Administrator information

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$15

$38

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How much do linux system administrator jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for linux system administrator in Florida is $38.83, according to ZipRecruiter salary data. Most workers in this role earn between $30.72 and $46.68 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Linux system administrator?

To thrive as a Linux System Administrator, you need a strong understanding of Linux operating systems, system troubleshooting, and networking, often supported by a degree in computer science or related certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with command-line interfaces, shell scripting, system monitoring tools, and configuration management systems like Ansible or Puppet is essential. Problem-solving abilities, attention to detail, and effective communication are standout soft skills in this role. These skills and qualities ensure reliable system performance, quick resolution of technical issues, and smooth collaboration within IT teams.

What are some common challenges faced by Linux system administrators when managing large-scale server environments?

Linux System Administrators often encounter challenges such as maintaining consistent configurations across numerous servers, ensuring security compliance, and minimizing downtime during updates or maintenance. Managing automation tools, such as Ansible or Puppet, and monitoring system performance are also critical aspects. Effective communication and collaboration with development and network teams are essential to quickly resolve issues and implement new technologies smoothly.

What is the difference between Linux System Administrator vs Network Administrator?

AspectLinux System AdministratorNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches
ResponsibilitiesManaging Linux servers, scripting, securityConfiguring networks, troubleshooting connectivity
Industry UsageIT, hosting, cloud servicesTelecommunications, enterprise networks

While both roles involve IT infrastructure, a Linux System Administrator focuses on managing Linux servers and related software, whereas a Network Administrator specializes in maintaining and troubleshooting network hardware and connectivity. Both roles require specific certifications and are vital in ensuring smooth IT operations within organizations.

What is a Linux system administrator?

A Linux system administrator— or sysadmin—is an information technology professional who oversees the lifespan of Linux software installed on a server, computer, or other pieces of hardware, including network devices. As a Linux sysadmin, your responsibilities include software installation, day-to-day maintenance of applications, and an overall understanding of Linux operating systems. As part of the daily maintenance team, your job is to monitor system health and ensure that security patches are up-to-date, so that network systems perform well for business users.

More about Linux System Administrator jobs
What are the most commonly searched types of Linux System Administrator jobs in Florida? The most popular types of Linux System Administrator jobs in Florida are:
What are popular job titles related to Linux System Administrator jobs in Florida? For Linux System Administrator jobs in Florida, the most frequently searched job titles are:
What job categories do people searching Linux System Administrator jobs in Florida look for? The top searched job categories for Linux System Administrator jobs in Florida are:
What cities in Florida are hiring for Linux System Administrator jobs? Cities in Florida with the most Linux System Administrator job openings:
What are popular job titles related to Linux System Administrator jobs in FL? For Linux System Administrator jobs in FL, the most frequently searched job titles are:
Linux System Administrator jobs near you
Infographic showing various Linux System Administrator job openings in Florida as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $80,767 per year, or $38.8 per hour.

Linux Administrator

ValidaTek

Pensacola, FL • On-site

Full-time

Re-posted 3 days ago

Job description

Company Overview:
At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organizations. We operate as one team of diverse people, united by a passion for continuous growth and optimization. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. www.validatek.com
Summary:
ValidaTek is seeking a reliable and highly skilled Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is responsible for the architecture, day-to-day operations, maintenance, and security of enterprise Linux systems, particularly Red Hat Enterprise Linux (RHEL), in a high-security DoD environment. The ideal candidate will possess a deep technical foundation in open-source and Linux environments, a collaborative mindset, and the ability to lead the support of a secure and stable IT infrastructure. This is a 100% on-site role located in Pensacola, FL.
Responsibilities:
  • Administer, maintain, and provide advanced troubleshooting for Red Hat Enterprise Linux (RHEL) servers, ensuring optimal system performance, security, and availability.
  • Manage, optimize, and support Linux-centric enterprise services (e.g., DNS, DHCP, NFS, Identity Management/FreeIPA).
  • Lead OS patching, updates, and antivirus definition deployments using Red Hat Satellite in strict compliance with DoD STIGs and IAVM directives.
  • Develop, maintain, and execute Ansible playbooks to automate system configurations, security remediation, and routine administrative tasks.
  • Participate in and lead the implementation, automation, and enforcement of security controls as part of the Risk Management Framework (RMF).
  • Contribute to eMASS documentation and ATO/IATT sustainment efforts.
  • Perform system monitoring, log analysis, and advanced troubleshooting for complex hardware, OS, and network issues, serving as an escalation point.
  • Create and maintain highly accurate documentation of system configurations, infrastructure changes, and standard operating procedures.
  • Oversee backup and recovery operations, ensuring data protection and mission continuity.
  • Provide operational support and maintenance for hosted data brokering and event streaming applications (such as Apache NiFi and Kafka) as part of the broader Linux infrastructure.
  • Work collaboratively with network, data engineering, cybersecurity, and help desk teams, and mentor junior administrators to ensure secure, stable, and compliant system operations.

Qualifications:
  • Active Secret clearance with the ability to obtain a Top Secret clearance.
  • Associate's or Bachelor's degree in Computer Science, Information Technology, or a related field OR equivalent hands-on experience.
  • DoD 8570 IAT Level II certification (e.g., Security+ CE) - required.
  • 2 - 10+ years of experience in systems administration in a DoD or large enterprise environment.
  • Extensive experience with Linux systems administration, with a heavy focus on Red Hat Enterprise Linux (RHEL).
  • Strong, hands-on experience with Ansible for configuration management, automation, and orchestration.
  • Demonstrated experience managing Red Hat Satellite for system provisioning, patch management, and subscription management.
  • Familiarity with virtualization platforms (e.g., VMware vSphere, KVM).
  • Working knowledge of STIG compliance, RMF, and security best practices specifically for Linux environments.
  • Proficiency in Linux scripting (e.g., Bash, Python).
  • Strong troubleshooting skills and the ability to work independently or lead technical initiatives in a secure, structured environment.
  • Excellent communication and technical documentation abilities.

Preferred Qualifications:
  • Hands-on experience or familiarity with data brokering and message brokering platforms, specifically Apache NiFi and Apache Kafka.
  • Linux vendor certifications such as Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or VMware Certified Professional (VCP).
  • Familiarity with containerization (e.g., Podman, Docker, Kubernetes/OpenShift).
  • Familiarity with eMASS, HBSS, ACAS, or Splunk.
  • Understanding of ITIL practices, including change and configuration management.
  • Experience supporting DoD or classified information systems.

Salary Disclosure:
Actual salary will be based on a variety of factors including but not limited to experience, geographic location, contract affordability, internal equity, education, and certifications.
The upper end of the salary range may be reserved for individuals who have demonstrated tenure with the company, seniority, and proven excellent performance. This includes factors such as education, certifications, and extensive/unique experience beyond what is required.
EEO Statement:
ValidaTek is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status.
Applicants who are selected for employment will be required to verify authorization to work in the United States.
Offers of employment will be contingent upon passing a post-offer background check.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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