Senior Linux Systems Administrator
Location
United States
Posted
4 days ago
Salary
Not specified
Job Description
Role Description
Diverse Computing, Inc. (DCI) is looking for a highly driven Senior Linux Systems Administrator to join our team. This is a full-time, salaried, exempt position that can be performed fully remotely, with hybrid in-office options available for candidates in or near Tallahassee, FL.
The focus of this position is to serve as a senior technical authority on Linux infrastructure across the organization. You will:
- Serve as the primary subject matter expert for RHEL/CentOS Linux systems administration across enterprise environments
- Manage system infrastructure including databases, firewalls, storage systems, and other software and hardware
- Provide technical support for both hardware and software issues that may arise
- Monitor the systems daily and respond quickly to any security breaches, usability concerns, application errors, or performance issues
- Lead automation efforts for deployments and configuration management on Linux systems using Ansible and Bash
- Mentor and provide guidance to junior administrators and technicians; assist with tier-2 and tier-3 support issues
- Monitor existing deployments for issues and recommend improvements to the stability and availability of new and existing deployments
- Make recommendations for future server, software, and infrastructure upgrades
- Monitor performance and maintain systems according to requirements
- Work with customers on implementation of new projects and hardware and software refreshes
- Troubleshoot issues and outages
- Design and enforce security controls through access management, backups, and firewalls
- Establish backup systems, verify that the backups have been completed, and test the backups
- Perform DR activities as needed
- Build and maintain internal wiki with technical documentation, manuals, and IT policies
- Study technical and patch literature to keep abreast of the latest technologies and patch updates
- Lead integration of new applications and technologies into the current system
- Troubleshoot and debug production software
- Analyze requirements then disseminate, evaluate, articulate, and design solutions
- Create technical documentation for reference and reporting
- Research ideas to improve system performance and impact availability
Qualifications
- Bachelor's degree in Computer Science, Information Technology, Management Information Systems, Cyber Security, or other related technology fields
- Current Red Hat Certified System Administrator (RHCSA) certification on RHEL 8 or newer (required)
- At least 5 years of Linux administration experience, with 3+ years focused on RHEL/CentOS environments (required)
- Proficient with RHEL 8/9 administration, including SELinux, systemd, and firewalld
- Ansible for configuration management and deployment automation
- VMware and/or Proxmox virtualization administration
- Bash scripting
- Python scripting experience is a strong plus
- Working knowledge of SQL, including administration of SQL Server or MySQL databases
- Minimum of five years of professional IT experience with systems or network administration
- Experience with enterprise monitoring tools such as Zabbix, Nagios, or Prometheus (nice to have/preferred)
- Networking experience (especially dealing with Cisco ASAs and switches) (nice to have/preferred)
- Worked with Microsoft Azure or other cloud hosting services (nice to have/preferred)
- Either live in Tallahassee, FL or are planning to move to the Tallahassee area, or are able to work fully remote
- Currently reside in one of these states: FL, GA, IL, KS, KY, MO, NC, NJ, NY, SC, TN, TX, UT, VA; Preference will be given to candidates residing in or near Tallahassee, Florida
- Able to work on-call on a rotating basis
- Able and available to work 40 hours/week, Monday-Friday
- Effective at communicating with customers, colleagues, and management
- Can confidently pass rigorous fingerprint-based state and federal background screenings and drug screening, as required by the nationwide agencies we work with (mandatory)
- Do not require sponsorship to work in the U.S.; sponsorship is not available for this position
Benefits
- Generous coverage options for 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 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
Job Requirements
- Bachelor's degree in Computer Science, Information Technology, Management Information Systems, Cyber Security, or other related technology fields
- Current Red Hat Certified System Administrator (RHCSA) certification on RHEL 8 or newer (required)
- At least 5 years of Linux administration experience, with 3+ years focused on RHEL/CentOS environments (required)
- Proficient with RHEL 8/9 administration, including SELinux, systemd, and firewalld
- Ansible for configuration management and deployment automation
- VMware and/or Proxmox virtualization administration
- Bash scripting
- Python scripting experience is a strong plus
- Working knowledge of SQL, including administration of SQL Server or MySQL databases
- Minimum of five years of professional IT experience with systems or network administration
- Experience with enterprise monitoring tools such as Zabbix, Nagios, or Prometheus (nice to have/preferred)
- Networking experience (especially dealing with Cisco ASAs and switches) (nice to have/preferred)
- Worked with Microsoft Azure or other cloud hosting services (nice to have/preferred)
- Either live in Tallahassee, FL or are planning to move to the Tallahassee area, or are able to work fully remote
- Currently reside in one of these states: FL, GA, IL, KS, KY, MO, NC, NJ, NY, SC, TN, TX, UT, VA; Preference will be given to candidates residing in or near Tallahassee, Florida
- Able to work on-call on a rotating basis
- Able and available to work 40 hours/week, Monday-Friday
- Effective at communicating with customers, colleagues, and management
- Can confidently pass rigorous fingerprint-based state and federal background screenings and drug screening, as required by the nationwide agencies we work with (mandatory)
- Do not require sponsorship to work in the U.S.; sponsorship is not available for this position
Benefits
- Generous coverage options for 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 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
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