Spectrum San Diego

Senior Linux Systems Administrator

Reposted 2 Days Ago

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Princeton, NJ, USA

In-Office

Senior level

Security

The Role

Provide mid- to top-tier Linux systems administration in a heterogeneous, high-interrupt environment. Responsibilities include managing junior administrators, resolving complex customer issues, executing system projects, maintaining security and patching, deploying software, managing backups, inventory, smart card authentication, storage, documentation, and procurement justifications. The role supports NOAA GFDL scientific and mission-driven operations and requires collaboration across project and user support activities.

Summary Generated by Built In

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.

The duties will include, but not be limited to:

Providing Mid-Tier to Top-Tier Systems Administration for clients and servers in a heterogeneous environment.
Systems Administration - 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.
Supporting Project (60%) and User (40%) actives 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.

Qualifications

Qualifications:

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.
Years of experience accepted in lieu of degree.
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).
U.S. Citizenship with the ability to obtain and maintain a Public Trust Clearance.

About UsSAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Skills Required

Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field, plus five or more years of experience; alternatively, a master’s degree plus three or more years, a PhD with zero years, or equivalent experience in lieu of degree.
Proficiency in Linux administration best practices.
Knowledge of Red Hat Enterprise Linux or derivatives such as AlmaLinux, CentOS, Oracle Linux, or Rocky Linux.
Understanding of Red Hat product licensing structures.
Documented scripting experience with shell, Bash, tcsh, Perl, Python, Ruby, or similar languages.
Experience managing, deploying, or migrating centralized backup systems.
Knowledge of configuration management tools such as Ansible, Chef, Puppet, or SaltStack.
Experience configuring and supporting access methods such as VPN and SSH tunneling.
Experience managing and maintaining database clusters, preferably Percona XtraDB or MySQL Cluster.
Experience managing software-scalable network file systems and centralized storage appliances.
Experience supporting enterprise Linux logon with smart card authentication, such as BeyondTrust, Centrify, or SSSD.
U.S. citizenship and ability to obtain and maintain a Public Trust clearance.