Linux System Administrator

Description

Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join their IT infrastructure team in Annapolis Junction, Maryland.

Key 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
• Maintain documentation for system configurations, procedures, and compliance requirements
• Monitor system performance, troubleshoot issues, and implement proactive improvements
• Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response

Required 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)

Preferred Qualifications

• Red Hat Certified System Administrator (RHCSA) or equivalent certification
• Experience in enterprise environments with high availability and disaster recovery requirements
• Familiarity with automation tools (Ansible, Puppet, or similar)
• Exposure to cloud or hybrid infrastructure environments

Key Skills

• Linux Administration
• Storage & Backup Management
• Security & Compliance
• System Monitoring & Performance Tuning
• Troubleshooting & Root Cause Analysis
• Automation & Scripting

Pay

$130,000 - $150,000