System Administrator

Job Description

Job Description

Clearance Required: Active TS/SCI with Full Scope Polygraph
Citizenship: U.S. Citizenship Required

Position Overview

We are seeking candidates with strong Linux administration skills and a passion for solving complex technical challenges. Whether your expertise is in platform engineering, networking, or storage systems, you will play a critical role in ensuring the reliability, performance, and availability of mission-essential environments.

Responsibilities

• Monitor, maintain, and troubleshoot mission operations systems and infrastructure.
• Install, configure, and administer Linux operating systems and applications.
• Configure and manage file systems, networking services, and system resources.
• Perform operating system and application troubleshooting in complex environments.
• Develop and maintain Bash scripts to automate administrative tasks.
• Compile, install, configure, and support software applications.
• Support infrastructure automation and configuration management initiatives.
• Collaborate with engineering and operations teams to resolve system issues and improve performance.
• Document configurations, procedures, and troubleshooting processes.
• Participate in system upgrades, maintenance activities, and operational support.

Note: Regardless of specialization, all team members are expected to perform core Linux system administration functions and contribute to overall system sustainment efforts.

Required Qualifications

• Active TS/SCI with Full Scope Polygraph security clearance.
• U.S. Citizenship.
• Experience administering Linux operating systems, including:
  • Red Hat Enterprise Linux (RHEL)
  • CentOS
  • Rocky Linux
  • SUSE Linux Enterprise Server (SLES)
  • Ubuntu
• Experience with:
  • Linux installation and configuration
  • File system administration
  • TCP/IP networking
  • Operating system troubleshooting
  • Application troubleshooting
  • Bash scripting
  • Software compilation and installation
• Strong analytical and troubleshooting skills.
• Ability to work independently and collaboratively in dynamic mission environments.

Desired Qualifications

• Understanding of High-Performance Computing (HPC) architectures.
• Experience supporting large-scale enterprise or mission-critical environments.
• Knowledge of high-speed networking technologies including:
  • InfiniBand
  • Slingshot
• Experience with:
  • Jira
  • Confluence
  • Grafana
  • Prometheus
  • Nagios
  • Slurm
  • Git
  • Salt
  • Ansible

Storage & Network Engineering Preferred Experience

Candidates with storage, networking, or infrastructure engineering backgrounds are highly encouraged to apply.

Storage Technologies

• Lustre file system configuration, administration, and troubleshooting.
• Experience with DDN Exascaler file system appliances.
• Storage fabric design, implementation, and support.
• Storage performance tuning and optimization.

Networking Technologies

• TCP/IP networking and storage networking concepts.
• Experience with enterprise routing and switching platforms, including:
  • Cisco
  • Juniper
  • Arista

Emerging Technologies

Experience or interest in learning:

• E1000 Storage Systems
• Elastic Storage Nodes (ESNs)
• DAOS (Distributed Asynchronous Object Storage)
• Weka Data Platform

Performance and Benchmarking Tools

Experience with one or more of the following:

• IOR
• iperf
• FIO
• lnet_selftest

Benefits

OST has been providing mission-critical support to Government agencies since 1996 and offers a comprehensive benefits package including:

• 3 Weeks Paid Time Off
• 11 Federal Holidays
• Medical and Dental Coverage
• Short-Term Disability (STD)
• Long-Term Disability (LTD)
• Life Insurance
• Accidental Death & Dismemberment (AD&D) Coverage
• 401(k) with up to 4% Company Match

Skills and Certifications [note: bold skills and certification are required]
Must have Full Scope Poly from NSA
Security Clearance Required: YesVisa Candidate Considered:
***Full-timeBenefits - FullRelocation Assistance Available - YesCommission Compensation - NoBonus Eligible - NoOvertime Eligible - NoInterview Travel Reimbursed - NoCandidate DetailsSeniority Level - Mid-SeniorManagement Experience Required - NoMinimum Education - High School Diploma or EquivalentWillingness to Travel - NeverIdeal Candidate
100 percent ONSITE. Must have Full Scope Poly from NSA. Prefer last poly within 7 years, but will consider others based on skill level and urgency of the program.