Linux Systems Administrator

Diverse Computing, Inc.

Linux Systems Administrator building and securing RHEL infrastructure for Diverse Computing’s public safety software. Automating deployments, supporting customers, and improving enterprise system reliability.

Posted 8/7/2026full-timeTallahassee • Florida, Kansas, Kentucky, Montana, New Jersey, New York, North Carolina, South Carolina, Tennessee, Texas, Utah, Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in RHEL/CentOS Linux systems administration, configuration management using Ansible, and database management. Proficient in security controls, system monitoring, and disaster recovery processes.

Highest-signal resume keywords

RHEL 8/9 AdministrationAnsible Configuration ManagementBash ScriptingSQL Database AdministrationLinux Systems Administration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RHEL 8/9 AdministrationAnsibleBash ScriptingSQLLinux Systems AdministrationSELinuxSystemdFirewalldVMware AdministrationProxmox Administration

Soft Skills

Effective CommunicationMentoringTechnical Support

Tools & Technologies

ZabbixNagiosPrometheusMicrosoft Azure

Certifications & Qualifications

RHCSA Certification

Industry Keywords

Enterprise InfrastructureDisaster RecoverySecurity ControlsConfiguration ManagementTechnical Documentation

Tech Stack

Tools & technologies

AnsibleAzureCloudCyber SecurityFirewallsLinuxMySQLPrometheusPythonSQLVMware

About the role

Key responsibilities & impact

Build, maintain, and secure enterprise-grade RHEL-based infrastructure across the organization
Serve as the primary subject matter expert for RHEL/CentOS Linux systems administration across enterprise environments
Manage databases, firewalls, storage systems, software, and hardware
Provide technical support for hardware and software issues
Monitor systems daily and respond to security breaches, usability concerns, application errors, and performance issues
Lead Linux deployment and configuration-management automation using Ansible and Bash
Mentor junior administrators and technicians and assist with tier-2 and tier-3 support issues
Monitor deployments and recommend stability and availability improvements
Recommend server, software, and infrastructure upgrades
Work with customers on new projects and hardware and software refreshes
Troubleshoot issues, outages, and production software
Design and enforce security controls through access management, backups, and firewalls
Establish, verify, and test backup systems
Perform disaster-recovery activities as needed
Build and maintain an internal wiki with technical documentation, manuals, and IT policies
Research technical and patch literature and integrate new applications and technologies
Analyze requirements and design solutions
Create technical documentation for reference and reporting
Research ways to improve system performance and availability

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Technology, Management Information Systems, Cyber Security, or another related technology field
Current RHCSA certification on RHEL 8 or newer (preferred)
At least 5 years of Linux administration experience, with 3+ years focused on RHEL/CentOS environments (preferred)
Proficiency with RHEL 8/9 administration, including SELinux, systemd, and firewalld
Proficiency with Ansible for configuration management and deployment automation
Proficiency with VMware and/or Proxmox virtualization administration
Bash scripting proficiency
Python scripting experience is a strong plus
Working knowledge of SQL, including SQL Server or MySQL database administration
Minimum of five years of professional IT experience with systems or network administration (preferred)
Enterprise monitoring tools such as Zabbix, Nagios, or Prometheus (nice to have/preferred)
Networking experience, especially Cisco ASAs and switches (nice to have/preferred)
Experience with Microsoft Azure or other cloud hosting services (nice to have/preferred)
Live in Tallahassee, FL, plan to move to the Tallahassee area, or be able to work fully remote
Currently reside in FL, GA, KS, KY, MO, NC, NJ, NY, SC, TN, TX, UT, or VA
Able to work on-call on a rotating basis
Available to work 40 hours/week, Monday-Friday
Able to assist with early-morning software releases
Effective communication with customers, colleagues, and management
Able to pass rigorous fingerprint-based state and federal background screenings and drug screening (mandatory)
Do not require sponsorship to work in the U.S.; sponsorship is not available

Benefits

Comp & perks

Medical, Dental, & Vision insurance for you and your family; begins 1st of month after date of hire
Flexible Spending Account (FSA) for health-related expenses
Company sponsored Group Life / AD&D Insurance
Supplemental insurance options: life, AD&D, short and long term disability, accident, critical illness, and hospital indemnity coverage
Up to 3% matching SIMPLE IRA retirement contributions; no vesting schedule
15 days (3 workweeks) of annually earned PTO, front-loaded for immediate availability
Additional PTO days awarded at service milestones starting at 3+ years
12 paid holidays annually
Paid Maternity/Paternity Leave
Work / Life balance-centered Flex Scheduling policy
Fully remote & hybrid (office/remote) work opportunities
Reimbursement of approved business-related travel and professional development expenses
Award-winning company culture that’s welcoming, fun, collaborative, and supportive