Senior Linux Systems Administrator

Job Title

Senior Linux Systems Administrator

Princeton, NJ, US

SAIC is recruiting for a Senior Linux Systems Administrator to join our program as a general technologist to support our NOAA GFDL program in Princeton, NJ serving the NOAA GFDL lab in a highly scientific user and mission driven facility. This individual would support both projects (60%) and user (40%) actives in a high interrupt tiered support environment requiring rapid response to the most complex customer systems inquiries.

On a daily basis this individual may divide their time between (1) managing junior admins to support lower level issues; (2) identifying, evaluating, and prioritizing customer problems to ensure that inquiries are resolved appropriately; (3) conducting project work on several complex system projects simultaneously; and (4) managing and actively reporting on project status.

• Providing mid-tier to top-tier systems administration for clients and servers in a heterogeneous environment.
• Maintaining IT security posture according to organization requirements, managing rigorous patching schedules for all systems, and maintaining and enhancing existing patching deployment tools.
• Installing software packages, compiling where necessary, and maintaining an inventory of all assets and applications.
• Managing smart card authentication infrastructure.
• Supporting projects (60%) and users (40%) in a high interrupt environment.
• Writing, updating, and enhancing system documentation concerning problem resolutions and HPC assets.
• Writing technical justifications for the procurement of hardware and software.

• B.S. in Computer Science, Information Technology, Software Engineering, or related field with five (5) years or more experience; M.S. with three (3) years or more experience; or Ph.D. with zero years related experience.
• Demonstrated proficiency in Linux administration best practices.
• Knowledge of Red Hat Enterprise Linux (RHEL) or derivatives (e.g., Alma Linux 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 systems (e.g., Amanda, Bacula, Backup Exec, Net Backup, ReaR).
• Documented knowledge of configuration management tools (e.g., Ansible, Chef, Puppet, or Salt Stack).
• 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., Beyond Trust, Centrify, SSSD).
• U.S. Citizenship with the ability to obtain and maintain a Public Trust Clearance.

Target salary range $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.