Linux System Administrator – TS/SCI Poly, On-Site

Bespoke Technologies, Inc.; Maryland; On-site; USD 110,000 - 140,000; Full time

Job summary

Bespoke Technologies, Inc. is seeking a skilled Linux System Administrator to join our IT infrastructure team.

The candidate will manage enterprise Linux environments, support storage, backup, security, and patching systems, and ensure system hardening and secure configurations. Responsibilities include administering Linux systems on-site at Annapolis Junction, coordinating with security teams for patching and vulnerability remediation, and maintaining documentation while supporting high

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar).
• Experience with IBM Enterprise Storage systems.
• Strong knowledge of Veritas NetBackup (NetBackup Administration).
• Experience with Nessus vulnerability scanning and remediation workflows.
• Proficiency with YUM package management and patching strategies.
• Familiarity with STE/STIN processes and NSF-related security frameworks.
• Solid understanding of Linux security, system hardening, and compliance practices.
• Strong troubleshooting and scripting skills (Bash, Python, or similar).

Responsibilities

• Administer, maintain, and optimize Linux-based systems in a production environment
• Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance
• Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations
• Perform system patching and package management using YUM repositories
• Execute and remediate vulnerability scans using Nessus, ensuring compliance with security standards
• Support and maintain STE/STIN processes and environments (as applicable to organizational standards)
• Implement and maintain system security configurations, including NSF frameworks/policies
• Monitor system performance, troubleshoot issues, and implement proactive improvements
• Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response
• Maintain documentation for system configurations, procedures, and compliance requirements

Skills

Linux Administration

Storage & Backup Management

Security & Compliance

System Monitoring & Performance Tuning

Troubleshooting & Root Cause Analysis

Automation & Scripting

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

IBM Enterprise Storage

Veritas NetBackup

Nessus

Job description

Bespoke Technologies, Inc. is seeking a skilled Linux System Administrator to join our IT infrastructure team.

The candidate will manage enterprise Linux environments, support storage, backup, security, and patching systems, and ensure system hardening and secure configurations. Responsibilities include administering Linux systems on-site at Annapolis Junction, coordinating with security teams for patching and vulnerability remediation, and maintaining documentation while supporting high