Unix Admin II

Purpose:

The Unix / Linux Systems Administrator is a key member of a small, highly technical team that supports manufacturing and engineering systems running primarily on CentOS/Rocky Linux platforms. This role is responsible for the installation, configuration, security, and day-to-day operation of Linux servers and related infrastructure, including storage, databases, and virtualization platforms.

You will design and implement system enhancements, automate routine tasks, and help ensure high availability, performance, and security of critical systems in a 24O7 manufacturing environment. This position involves an off-hours/on-call rotation with other team members.

Knowledge / Experience:

• Minimum 4+ years of hands-on experience administering Linux/UNIX systems in a production environment (CentOS, Rocky Linux, RHEL or similar).
• Experience supporting systems in a mixed infrastructure environment (servers, storage, databases, virtualization, and networks).
• Demonstrated experience with OS installation, patching, performance tuning, and troubleshooting.
• Experience with client-server architecture, and system deployment/upgrade processes.
• Solid understanding of OS internals, filesystems, storage, I/O, and networking concepts as they relate to Linux/UNIX.
• Proven ability to independently research and resolve complex technical issues.
• Bachelor's degree in computer science, Information Systems, or related field preferred, or equivalent work experience.

Required Skills:

• Proficient Linux administration skills, including system security, account and permission management, and shell scripting (bash, ksh, tcsh etc.).
• Experience with at least one scripting language (e.g., Perl, Python) for automation of system tasks.
• Strong networking fundamentals (TCP/IP, DNS, DHCP, routing, VLANs, firewalls at a basic level).
• Experience working with virtualization platforms (e.g., VMware or similar).
• Strong troubleshooting and problem-solving skills in a production environment.
• Demonstrated teamwork and collaboration skills in cross-functional environments.
• Strong customer service mindset, with the ability to support both technical and non-technical users.
• Effective written and verbal communication skills and the ability to document procedures clearly.

Preferred Skills:

• Experience with Rocky Linux, NetApp or other enterprise storage platforms.
• Experience with Ansible or other configuration management / automation tools.
• Experience with MariaDB or MySQL administration (installation, backup, basic performance tuning).
• Familiarity with security frameworks such as NIST 800-171, CIS Benchmarks, or similar.
• Experience with enterprise backup tools such as Commvault.
• Experience in manufacturing, semiconductor, or other 24O7 industrial environment.