Linux System Administrator

Linux Systems AdministratorIn-house SME to administer, monitor, and maintain Linux (RHEL/Ubuntu/CentOS) systems. Configure, secure, and optimize Linux services (systemd, SSH, Apache/Nginx, cron, etc.). Collaborate with development, DevOps, and security teams to support enterprise applications. Provide Tier 2/3 support for escalated system issues. Identify, research, and implement Linux and OpenShift solutions and applications. Provide support to IT staff for technical and configuration issues related to Linux systems. Manage Linux security administration in collaboration with the information security team. Stay current on all Linux and OpenShift changes, updates, and new releases and keep IT staff informed on forthcoming changes. Work with vendors and other departments as required to support applications and environments. Work closely with the IT team to provide end-user support and issue resolution. Maintain up-to-date knowledge of emerging server tools and technologies. Create and maintain documentation for all Linux and OpenShift processes and procedures. Ensure compliance with security standards, patching schedules, and company policies. Participation in weekly on-call rotation to respond to after-hours issues. Coordinate with the rest of the IT team to meet the team objectives. Travel as needed to other data centers to meet business needs. Regular and predictable attendance and punctuality. Other duties as assigned.Physical Requirements:Must be able to remain in a sitting stationary position for extended periods of time.Constantly operate a computer and other office machineryAbility to lift 25 pounds.FNBT is an equal opportunity employer. At least 18 years of age. High school diploma or equivalent. Bachelor's degree in Computer Science, Computer Engineering, or related field preferred (relevant experience may be considered in lieu of a degree). Certifications such as RHCSA/RHCE, MCSE, CKAD/CKA, or OpenShift certification preferred. Ability to meet deadlines with projects and assignments. Knowledge of installations, upgrades and troubleshooting of Linux, Windows, and Web application Servers. Working knowledge of web application security, understanding of vulnerabilities and countermeasures. Familiar with Windows Servers and services including Active Directory, Group Policy, DNS, DHCP, and PowerShell. Experience administering and supporting OpenShift, Kubernetes, or Docker containerized environments preferred. Prefer experience with install, configuration, and maintenance of OpenShift/Kubernetes clusters, including upgrades, monitoring, and troubleshooting. Familiarity with CI/CD pipelines, Git, and DevOps practices preferred. Knowledge of monitoring and logging solutions (Prometheus, Grafana, ELK, Splunk) preferred. Experience with Infrastructure as Code (Terraform, Ansible) preferred. Familiarity with security hardening and patch management practices. Strong technical aptitude and ability to research & solve complex issues independently. Ability to effectively communicate issues and resolutions to all levels of the organization. Ability to maintain confidentiality with sensitive customer and internal information. Must successfully pass background investigation according to company policy. Must have the ability to multi-task.