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Senior Unix System Administrator Jobs in Florida

Mission Multiplier

System Administrator, Sr.

Panama City, FL · On-site

$78K - $106K/yr

Mission Multiplier is seeking a high-impact System Administrator, Sr. (Lab Operations) to support the execution of a complex contract supporting the Naval Surface Warfare Center Panama City Division ...

Mission Multiplier

System Administrator, Sr.

Panama City, FL · On-site

$78K - $106K/yr

Mission Multiplier is seeking a high-impact System Administrator, Sr. (Lab Operations) to support the execution of a complex contract supporting the Naval Surface Warfare Center Panama City Division ...

Kavaliro

System Administrator III

Orlando, FL · On-site

Sr System Administrator Overall Responsibility: We are seeking an experienced Systems Administrator to join an IT Infrastructure team. This role supports, maintains, and optimizes corporate and ...

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All JobsUnix System Administrator JobsSenior Unix System Administrator JobsSenior Unix System Administrator Jobs in Florida

Senior Unix System Administrator information

See Florida salary details

$36.6K

$76.4K

$107.2K

How much do senior unix system administrator jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior unix system administrator in Florida is $76,395.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,300.00 and $87,100.00 per year, depending on experience, location, and employer.

What is a senior Unix system administrator?

Senior Unix System Administrators are experienced IT professionals who manage, maintain, and troubleshoot Unix or Linux-based server systems within an organization. They are responsible for ensuring system reliability, security, and performance by configuring servers, applying updates, monitoring system health, and responding to incidents. In addition to technical duties, they may also mentor junior admins, design system architecture, and implement automation tools to streamline operations. Their expertise is essential for organizations that rely on Unix or Linux servers for critical applications and data management.

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

To thrive as a Senior Unix System Administrator, you need deep expertise in Unix/Linux operating systems, scripting languages (such as Bash, Python, or Perl), and a strong understanding of networking and security principles, usually backed by relevant certifications or degrees. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, and monitoring systems is typically required. Strong problem-solving, communication, and leadership skills help you manage complex issues and mentor junior staff. These skills and qualities are crucial for maintaining system reliability, optimizing performance, and ensuring secure, efficient IT operations.

What are some common challenges senior Unix system administrators face when managing large-scale, multi-user environments?

Senior Unix System Administrators often deal with challenges such as maintaining system uptime across multiple servers, ensuring security compliance, and managing complex patching schedules in environments with numerous users. Balancing proactive monitoring with rapid incident response is crucial, as is collaborating with developers, network engineers, and support staff to troubleshoot issues efficiently. Additionally, adapting to evolving technologies and automating repetitive tasks are key to maintaining system performance and reliability.

What is the difference between Senior Unix System Administrator vs Linux Systems Engineer?

AspectSenior Unix System AdministratorLinux Systems Engineer
CertificationsUnix/Linux certifications (e.g., LPIC, RHCE)Linux certifications (e.g., RHCE, CompTIA Linux+)
Work EnvironmentUnix servers, enterprise data centersLinux servers, cloud environments
Industry UsageFinancial, telecom, large enterprisesTech companies, startups, cloud providers
Job FocusSystem maintenance, troubleshooting, scriptingDeployment, automation, infrastructure design

Both roles require Linux/Unix knowledge and certifications, but Senior Unix System Administrators focus more on maintaining enterprise Unix systems, while Linux Systems Engineers often work on deploying and automating Linux environments, especially in cloud and development settings.

What cities in Florida are hiring for Senior Unix System Administrator jobs?

Cities in Florida with the most Senior Unix System Administrator job openings:

Infographic showing various Senior Unix 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 $76,395 per year, or $36.7 per hour.

Senior System Administrator

Voloridge Investment Management

Jupiter, FL

$84K - $113K/yr

Full-time

Posted 26 days ago

Job description

Voloridge Investment Management was founded by David Vogel in 2009 and is based in Jupiter, FL. We incorporate advanced data science and mathematics into our systematic, market neutral investment strategies to exploit alpha opportunities we consider unique in financial markets. Our firm is comprised of award-winning predictive modelers, experienced data analysts, advanced technologists, and a group of dynamic business professionals.

Under the general direction of IT leadership, the Senior System Administrator performs a variety of technical tasks in the area of computer systems and networks.

Summary of Job Functions

  • Participate in supporting and maintaining all Server Operating Systems and services
  • Maintain system patching, ensure current backups, analyze systems for performance tuning
  • Perform root cause analysis on incidents on supported systems hardware and OS/software
  • Increase/improve automation in the areas of Virtual Machine provisioning & configuration
  • Data center operations - rack and stack new servers & storage, cable management for storage and networking
  • Ability to administer cloud portals including Amazon AWS and Microsoft Azure
  • Set up and configure new cloud-based environments; must be able to recommend best practices
  • Knowledge of lift and shift migration techniques for workloads from on-premises to cloud
  • Collaborate with research and infrastructure teams on high-performance and high-density compute environments

Minimum Requirements

  • Bachelor's Degree in Computer Science, Information Science, or another related field
  • 7+ years of progressive systems administration experience in enterprise environments
  • 5+ years administering an Enterprise Virtualization product (VMware vSphere preferred)
  • 5+ Years Cloud Knowledge (AWS and/or Azure plus M365)
  • Experience with Backup replication, air-gap strategies, and restore validation (Commvault preferred)
  • Setup and maintenance experience with Enterprise storage platforms (SAN/NAS) - Pure Storage, Dell/EMC Isilon, or similar
  • Ability to work in Jupiter Office 4+ Days per week (off-hours availability required for planned maintenance windows)

Preferred Skills and Previous Experience 

  • Experience with VMware Horizon or another VDI solution
  • Active/active (hot/hot) data center architecture - RPO/RTO planning, workload distribution, and failover testing
  • Zerto/VMware Site Recovery Manager (SRM) or equivalent - automated failover and failback orchestration across data centers
  • Data center systems management - Dell hardware experience preferred
  • Windows Server / Active Directory experience
  • Linux experience (Debian/Ubuntu preferred)
  • High Performance Computing (HPC) - cluster design, NUMA tuning, low-latency networking
  • Containerization experience (Kubernetes or Docker)
  • Security-conscious approach to systems administration - hardening, least privilege, patch discipline, and familiarity with endpoint protection platforms (CrowdStrike preferred)
  • Network security tooling experience - Zscaler or similar

Compensation and Benefits

  • Highly competitive base salary
  • Profit sharing bonus
  • Health, dental, vision, life, disability insurance
  • 401k

Additional Information

Voloridge Investment Management is an SEC registered investment advisor and an Equal Opportunity Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other legally protected characteristic or status.