What are the responsibilities and job description for the Linux Administrator position at OtterBase?
Description: We are seeking an experienced Linux Administrator to support the buildout, upgrade, and maintenance of Red Hat Enterprise Linux (RHEL) 9 systems in a Hyper-V virtualized environment. This position will focus on provisioning new virtual machines on Matrix hosts, managing OS lifecycles, and ensuring stable and secure system performance. No hardware work is required.
Responsibilities/skills:
Build, configure, and deploy new RHEL 9 virtual machines on Hyper-V Matrix hosts.
Perform OS installations, upgrades, and patching for Linux systems in production and staging environments.
Administer system services, users, permissions, and security configurations, including SELinux and firewall settings.
Document build procedures, configuration standards, and system changes for internal reference.
Collaborate with other technical teams on migration or rebuild efforts for existing systems.
Assist in improving and maintaining existing Ansible automation playbooks if experience permits.
Qualifications:
Strong hands-on experience with Red Hat Enterprise Linux 8/9 administration. Proven background in Hyper-V or equivalent virtualization environments (VM creation, networking, snapshots, storage).
Proficiency with Linux CLI tools, system logging, and shell scripting. Understanding of Linux networking fundamentals, DNS, NTP, and firewall management.
Experience with system hardening and patch management best practices. Clear communication and documentation skills.
Preferred (Nice to Have):
Familiarity with Ansible for configuration management and automation.
Knowledge of version control tools (e.g., Git) and basic CI/CD processes. Prior experience with large-scale rebuild or migration projects.