Senior Linux Systems Administrator

About the role

This individual would support both projects (60%) and user (40%) activities in a high-interrupt tiered support environment requiring rapid response to the most complex customer systems inquiries.

Responsibilities

• Providing mid-tier to top-tier systems administration for clients and servers in a heterogeneous environment.
• Maintain IT Security posture according to organization requirements.
• Manage rigorous patching schedule for all systems.
• Manage existing Patching deployment tools, maintain and enhance current tools, replace the current backup system with a new one.
• Installing SW packages, compiling where necessary.
• Maintenance inventory of all assets and applications.
• Managing smart card authentication infrastructure.
• Serving as a technical expert for project (60%) and user (40%) activities in a high-interrupt environment.
• Writing/updating/enhancing system documentation concerning problem resolutions and HPC assets.
• Writing technical justifications for the procurement of hardware & software.

Requirements

• B.S. in Computer Science, Information Technology, Software Engineering, or related field and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience.
• Demonstrated proficiency in Linux administration best practices.
• Demonstrated knowledge of Red Hat Enterprise Linux (RHEL) or derivatives (e.g., AlmaLinux OS, CentOS, Oracle Linux, Rocky Linux) is a plus.
• Understanding of licensing structures for Red Hat products is a plus.
• Documented experience with scripting (e.g., shell, bash, tcsh, perl, python, ruby).
• Documented experience with managing, deploying, or migrating centralized backup system(s) (e.g., Amanda, Bacula, Backup Exec, NetBackup, ReaR).
• Documented knowledge of configuration management tools (e.g., ansible, chef, puppet, or saltstack).
• Experience with configuration and support of access methods (e.g., VPN, SSH tunneling).
• Experience managing and maintaining database clusters, preferably Percona XtraDB/MySQL cluster.
• Experience managing software scalable network file systems and centralized storage appliances.
• Experience supporting enterprise logon with smart card authentication on Linux (e.g., BeyondTrust, Centrify, SSSD).

Qualifications

• U.S. Citizenship with the ability to obtain and maintain a Public Trust Clearance.

Skills

• Linux administration best practices.
• Red Hat Enterprise Linux (RHEL) or derivatives.
• Licensing structures for Red Hat products.
• Scripting (e.g., shell, bash, tcsh, perl, python, ruby).
• Centralized backup system(s) (e.g., Amanda, Bacula, Backup Exec, NetBackup, ReaR).
• Configuration management tools (e.g., ansible, chef, puppet, or saltstack).
• Access methods (e.g., VPN, SSH tunneling).
• Database clusters (Percona XtraDB/MySQL cluster).
• Network file systems and centralized storage appliances.
• Enterprise logon with smart card authentication on Linux (e.g., BeyondTrust, Centrify, SSSD).

Pay

$80,001 - $120,000

Schedule

Full-Time

Benefits

N/A