Senior Systems Administrator/Linux SME-TS/SCI (CI-Poly Eligible)

• Minimum of 10+ years of experience in Linux system administration, with strong expertise in Red Hat Enterprise Linux (RHEL) environments supporting enterprise and high-performance computing (HPC) systems.
• Hands-on experience with automation and scripting using Bash and Expect, as well as the ability to install, configure, and maintain software in RHEL/SE Linux environments.
• Proficiency in troubleshooting and debugging Linux kernel-level issues using tools such as crash and system tap, along with experience managing patching, repositories, and custom kernel builds using Satellite.
• Familiarity with automation frameworks such as Ansible and experience with identity management systems including LDAP and token-based authentication are required.
• Bachelor's degree in computer science or a related field (or equivalent experience)
• Strong communication and problem-solving skills, and the ability to support operational environments while interacting effectively with users, technical teams, and government stakeholders., * Preferred qualifications include experience supporting High Performance Computing (HPC) environments and familiarity with high-speed interconnect technologies such as InfiniBand or Omni-Path, including fabric monitoring and subnet management.
• Experience with distributed file systems such as Lustre and NFS, as well as knowledge of RDMA communications, is highly desirable.
• Proficiency in additional scripting or programming languages such as Python, Perl, or Korn shell is a plus, along with experience using version control systems such as Git, SVN, or CVS.
• Familiarity with SE Linux configuration and policy management, as well as experience working within secure or classified environments, will further distinguish candidates.
• Strong analytical abilities, attention to detail, and a focus on automation and performance optimization in large-scale systems
• TS/SCI + CI Poly

Vibrint's comprehensive compensation package includes but is not limited to: competitive salary; annual merit-based salary increase and discretionary bonus program; 401(k) plan with a company contribution; 11 paid federal holidays; 160 hours of paid time off; medical, dental, vision, life and short- & long-term disability insurance; employee assistance program; and a generous professional development allowance.

Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting and harnessing data. Working alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. Our people know they'll be doing work that matters at the heart of the national security mission, exploring new possibilities at the cutting edge of technology. They know they will be well-rewarded and recognized for their commitment. Our people know they will enjoy plentiful opportunities to grow, thrive, and have fun as a member of the Vibrint family. Join Vibrint, where your career is a priority, and your future is our shared goal., + $131,300-237,350 per year, © 2026 Careerjet All rights reserved