Linux System Administrator

Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package management., 1. Administer, maintain, and optimize Linux-based systems in a production environment

1. Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance
2. Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations
3. Perform system patching and package management using YUM repositories
4. Execute and remediate vulnerability scans using Nessus, ensuring compliance with security standards
5. Support and maintain STE/STIN processes and environments (as applicable to organizational standards)
6. Implement and maintain system security configurations, including NSF frameworks/policies
7. Monitor system performance, troubleshoot issues, and implement proactive improvements
8. Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response
9. Maintain documentation for system configurations, procedures, and compliance requirements

1. Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
2. 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar)
3. Experience with IBM Enterprise Storage systems
4. Strong knowledge of Veritas NetBackup (NetBackup Administration)
5. Experience with Nessus vulnerability scanning and remediation workflows
6. Proficiency with YUM package management and patching strategies
7. Familiarity with STE/STIN processes and NSF-related security frameworks
8. Solid understanding of Linux security, system hardening, and compliance practices
9. Strong troubleshooting and scripting skills (Bash, Python, or similar), 1. Red Hat Certified System Administrator (RHCSA) or equivalent certification
10. Experience in enterprise environments with high availability and disaster recovery requirements
11. Familiarity with automation tools (Ansible, Puppet, or similar)
12. Exposure to cloud or hybrid infrastructure environments

Key Skills:

1. Linux Administration
2. Storage & Backup Management
3. Security & Compliance
4. System Monitoring & Performance Tuning
5. Troubleshooting & Root Cause Analysis
6. Automation & Scripting

Red Arch Solutions Benefits Snapshot:

• 100% paid employee healthcare premiums. CareFirst Advantage Best in Class Benefits.
• HaloScripts Concierge prescription medication service
• Generous PTO.
• 10 % 401K 6% match vested day one and up to 4% profit sharing contribution.
• Annualized bonus compensation.
• Spot bonuses for hard work.
• Tuition reimbursement.
• 529 College Saving Plan.
• College Loan Pay Back Program.
• 11 Paid Federal Holidays
• Generous Referral Bonuses., Invitation for Job Applicants to Self-Identify as a U.S. Veteran
• A “disabled veteran” is one of the following:
• a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
• a person who was discharged or released from active duty because of a service-connected disability.
• A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran’s discharge or release from active duty in the U.S. military, ground, naval, or air service.
• An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
• An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.