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Linux System Administrator

SMS Data Products Group, Inc.
Los Angeles, CA Full Time
POSTED ON 12/23/2025
AVAILABLE BEFORE 2/23/2026
Linux System Administrator
Job Locations US-CA
Job ID 2025-5189 # of Openings 1 Clearance Requirement S Education Requirement High School Diploma/GED Certifications Red Hat Certified System Administrator (RHCSA) OR Red Hat Certified Engineer (RHCE) required. DOD 8140 IAT-II certification (CompTIA Security ). Experience Level Senior
Overview

Provide the Air Force Research Laboratory (AFRL) Rocket Lab with TLinux System Administration technical support by providing expert level customer service support for AFRL Linux workstations and clusters through problem remediation detailed within the Web Help Desk (WHD) ticketing system. Expert level support requires an in-depth knowledge of IT concepts, and more than significant troubleshooting skills gained through experience, certification, and formal training.

As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation. With expertise in modernizing and optimizing legacy infrastructure and systems, ensuring operational efficiency, and designing, implementing, and managing secure environments, SMS supports business and mission goals with proficiency, quality, and integrity.

SMS has been serving the advanced information technology needs of the federal government since 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers' missions for more than 45 years. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States. For additional information on SMS, visit www.sms.com.

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Responsibilities
    Provide expert level hardware, software, and network support and troubleshooting on systems running Linux operating systems.
  • Work directly with vendors and third-party service providers tapping into their knowledge base.
  • Configure and maintain system hardening tools and Security Requirements Guide (SRG) and Security Technical Implementation Guide (STIG) compliance.
  • Develop and maintain software testing framework for Linux software.
  • Develop and maintain software hosting platform for common software.
  • Develop robust infrastructure for networked Linux boxes (SSO, LDAP, SAN Access, Common Accounts, shared space, etc.).
  • Manage firewall rules for high-performance computing clusters (HPC) access. Work with the High Performance Computing Modernization Program (HPCMP) office to establish rules for new systems and remove rules for decommissioned systems.
  • Provide expert support planning, configuring, and installing open-source software. Verify installed software behaves as intended and complies with security guidelines.
  • Apply Puppet configuration management tools to maintain standard desktop configurations.
  • Manually install software updates, apply SRG/STIG configurations and security patches as required.
  • Provide customer service with friendly, courteous, and professional oral and written communication.
  • Lead Linux Service Delivery Team.
Qualifications
  • A minimum of five (5) years of experience in system administration and/or technical support.
  • Developed expert level knowledge and experience with all phases of Linux operating systems, hardware, software applications, and networking concepts.
  • Knowledge and application of Foreman and puppet configuration tools.
  • A minimum of two (2) years of experience leading teams.
  • Red Hat Certified System Administrator (RHCSA) OR Red Hat Certified Engineer (RHCE)
  • DOD 8140 IAT-II certification (CompTIA Security ).
  • DoD Interim Secret security clearance or higher.

SMS is a dynamic systems integrator established in 1976, delivering talented teams and innovative, cost-effective solutions and services to support our customers' missions for more than 47 years. Our ability to hire and retain quality people in a rapidly evolving IT market is proven through our employee retention rate averaging over 3 years. At SMS, we place a high value on quality of service, customer satisfaction, and best-of-breed policies and practices, resulting in CMMI Level 3 certification and ISO registrations including 9001:2015, 20000-1:2018, and ISO/IEC 27001:2013. SMS is headquartered in McLean, Virginia, with offices and on-site operations at customer locations throughout the United States.

SMS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


SMS is an Equal Opportunity Employer – minorities/females/veterans/individuals with disabilities/sexual orientation/gender identity.

 

Salary.com Estimation for Linux System Administrator in Los Angeles, CA
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