Senior Linux Systems Administrator
Job in
Princeton, Mercer County, New Jersey, 08543, USA
Listed on 2026-03-03
Listing for:
SAIC
Full Time
position Listed on 2026-03-03
Job specializations:
-
IT/Tech
Systems Administrator, Systems Engineer, IT Consultant, IT Support
Job Description & How to Apply Below
Location: PRINCETON, NJ, US
Date Posted:
Category: Information Technology
Subcategory: Sys Administrator
Schedule: Full-time
Shift: Day Job
Travel: No
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: Public Trust
Potential for Remote Work: No
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.
The ideal candidate must be an independent self-starter, be adept at supporting both Linux in a heterogeneous environment, and have excellent customer-facing communication and consultation skills (with managers and/or scientists).
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:
- B.S. in Computer Science, Information Technology, Software Engineering, or related field and nine (9) years of experience, masters and seven (7) years of experience.
- Demonstrated proficiency in Linux administration best practices.
- Demonstrated 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 system(s) (e.g., Amanda, Bacula, Backup Exec, Net Backup, 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., Beyond Trust, Centrify, SSSD).
- U.S. Citizenship with the ability to obtain and maintain a Public Trust Clearance.
SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government.
Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit For information on the benefits SAIC offers, see .
Position Requirements
10+ Years
work experience
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