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# Linux System Administrator

- **Company:** Cdit Llc
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Bash Shell, CentOS, Program Optimization, System Configuration, Linux, Disaster Recovery, Monitoring of Systems, Python (Programming Language), Linux System Administration, Linux Security Modules, NetBackup, Oracle (Applications), Package Management Systems, Performance Tuning, Red Hat Enterprise Linux, Ansible, Software Vulnerability Management, Backup and Restore, Scripting, System Availability, Information Technology, Nessus, Data Management, Puppet, Vulnerability Analysis
- **Published:** June 18, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8983895/linux-system-administrator

## About the Role

We are seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team. 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., 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), 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
Qualifications:

Managing/Senior Principal Consultant designs and implements individual components of the Oracle products based on area of expertise. Analyzes detailed requirements and develops detailed design for a specific Oracle product or technology. Provides implementation services for a specific product to include extensions and additional configurations necessary to implement customer unique business processes and workflows. Performs routine health checks and optimizations of system performance, availability, access controls and security. Performs system optimization, performance tuning and assists in capacity planning. Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.

## Description

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


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