Senior Linux Systems Administrator

Job Title Senior Linux Systems Administrator Location Princeton, NJ, US Job Description 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. Duties 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. Qualifications 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., 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 systems (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). 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. #J-18808-Ljbffr SAIC