Senior Linux System Administrator

Job ID: 2504894

Location: NEWPORT, RI, US

Date Posted: 2025-05-19

Category: Information Technology

Subcategory: Sys Administrator

Schedule: Full-time

Shift: Day Job

Travel: No

Minimum Clearance Required: Interim Secret

Clearance Level Must Be Able to Obtain: Secret

Potential for Remote Work: No

Description

SAIC is seeking a Senior Linux System Administrator for on-site support of the Advanced Scientific and Engineering Computer Center (ASECC.) in Newport, RI. This person is responsible for providing day-to-day operational and maintenance support of the ASECC at Naval Undersea Warfare Center Division Newport (NUWCDIVNPT). Performing various system administration duties in a large Windows and Linux environment. Assist in implementing, supporting, and troubleshooting Linux issues relating to performance and compliance and security hardening.

Principle Duties and Responsibilities:

• Responsible for assigned projects and tasking associated with the operation, maintenance, and upgrade of the ASECC.
• Assists in researching and providing recommendations for long term planning for the ASECC and associated hardware and software products.
• Supports NUWC's Service/Agency Approval Authority for the DoD High Performance Computing.
• Experience with machine learning environments including repository setup and configuration to support an expanding role in this field from a systems administration point of view.
• Proactively replaces / upgrades ASECC hardware and software applications as directed by the government manager.
• Monitors network security trends and emerging concerns and work with management to address risks.
• Monitor ASECC operations and equipment and provide recommendations for improvements as warranted.
• Reviews vendor-issued security releases and identify remedial steps. Implement changes as approved by the government manager.
• Detailed knowledge of Linux and Windows security hardening principles and practices.
• Provides contact and problem resolution for users with hardware, software and applications problems;
• Acts as subject matter expert on implementing and supporting Linux in an enterprise and R&D Lab environment.
• Provides PC computer compliance and technical support for Linux, software and peripherals and support maintenance of internal custom applications.
• Routine hardware set up, troubleshooting and replacement; software installation and evaluation; and use of various. spreadsheet, word processing and database application programs.
• Routine research and implementation of compliance solutions in strict accordance with established guidelines.

Qualifications

Qualifications:

• Bachelor's degree and five (5) years or more experience.
• 5+ years of implementing and supporting Red Hat or similar distributions of Linux.
• 5+ years' experience working in a high performance computer facility with demonstrated ability to manage, operate, maintain, troubleshoot, and test complex computer hardware and software systems.
• Knowledge and experience with high performance computing needs of NUWC's Science and Technology community.
• Experience with scripting languages and automation techniques including Bash and Python.
• Experience with job scheduling systems, PBS experience a plus.
• Familiarity with licensing managers such as FlexLM and LMX.
• Candidate must be certified (CompTIA Security+ CE or Network+ CE and Linux certification).
• Able and willing to learn new as well as existing technologies.
• Be a contributing member of a Technical Team.
• Excellent communication skills required.
• Position requires U.S. Citizenship.
• Ability to obtain a security clearance with the US government; active SECRET security clearance preferred.
• Military or government experience preferred but not necessary.