Linux Systems Engineer Jobs
Listed on 2026-08-16
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IT/Tech
Unix/Linux, Systems Administrator, IT Infrastructure, Systems Engineer
Mid-Level Linux Systems Engineer (Enterprise Infrastructure)
Location:
Huntsville, AL (100% On-Site) Clearance:
Active Top Secret required
Overview:
We are seeking a Mid-Level Linux Systems Engineer to support enterprise infrastructure operations within a secure, mission-driven federal environment. This role focuses on administering, maintaining, and optimizing Linux-based systems that support critical applications and data environments. The ideal candidate brings strong hands-on experience with Linux system administration, along with the ability to troubleshoot issues, support infrastructure operations, and contribute to system improvements in a high-security setting.
Key Responsibilities:
- Administer and maintain Linux server environments supporting enterprise applications and services
- Perform system configuration, patching, upgrades, and performance tuning to ensure reliability and security
- Monitor system health, utilization, and availability, proactively addressing performance issues
- Troubleshoot and resolve operating system, application, and infrastructure-related issues
- Support user access, permissions management, and system security configurations
- Assist with deployment and integration of new infrastructure components and system updates
- Maintain system documentation, including configurations, procedures, and operational guidelines
- Support backup, recovery, and system resilience efforts
Operational Responsibilities:
- Participate in configuration and change management processes within controlled environments
- Assist in maintaining compliance with security standards, patch baselines, and accreditation requirements
- Support system testing, validation, and release activities
- Work with cross-functional teams to support application deployment and infrastructure changes
- Provide support for incident response and root-cause analysis efforts
Required Qualifications:
- Active Top Secret clearance
- Bachelor's degree in Information Technology, Computer Science, or related field, OR equivalent experience
- 4–8 years of experience in Linux system administration or similar infrastructure roles
- Strong experience administering Linux operating systems (e.g., Red Hat, CentOS, or similar)
- Experience with system monitoring, patching, and performance optimization
- Familiarity with networking fundamentals and enterprise infrastructure environments
- Experience troubleshooting system, application, and connectivity issues
- Working knowledge of scripting languages (e.g., Bash or similar)
- Strong understanding of system security and access controls
Preferred Qualifications:
- Experience supporting secure or compliance-driven environments
- Familiarity with virtualization technologies or cloud-based systems
- Experience with configuration management or automation tools
- Exposure to Dev Ops practices or CI/CD environments
- Experience working alongside network or application engineering teams
What Makes a Strong Candidate:
- Strong foundation in Linux administration and troubleshooting
- Ability to support both day-to-day operations and system improvements
- Comfortable working in high-security, mission-critical environments
- Detail-oriented with a focus on system stability and performance
- Strong communicator who can collaborate across technical teams
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