Sr Linux Systems Administrator

This job is posted on behalf of Twenty80 LLC by Top Echelon.

Security Clearance Required: Active TS/SCI with Full Scope Polygraph (FSP)

Do you enjoy solving complex infrastructure and software challenges? If you're passionate about managing bare-metal environments, configuring high-performance infrastructure, and automating large-scale deployments, this opportunity is for you.

We are seeking a Senior Linux Systems Administrator to support a high-priority, mission-critical cybersecurity modernization program. In this role, you'll work within a large software development environment, ensuring enterprise systems remain secure, reliable, and highly available while implementing automated infrastructure to support next-generation malware analysis, cyber orchestration, and data enrichment capabilities.

Required Skills

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• Security Clearance: Active TS/SCI with Full Scope Polygraph (FSP).
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• Linux Administration: Expert-level experience with Linux system administration, architecture, maintenance, and performance optimization.
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• Infrastructure Automation: Strong proficiency using Ansible for configuration management and automated provisioning.
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• Troubleshooting: Extensive experience diagnosing and resolving complex infrastructure, system, and environment bottlenecks.
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• Virtualization & Container Orchestration: Hands-on experience deploying and managing VMware environments and Kubernetes clusters.
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Preferred Skills

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• Enterprise Storage: Experience administering enterprise storage solutions, with preference for Pure Storage platforms.
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• Database Administration: Experience administering and supporting MongoDB.
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• Networking: Experience designing, deploying, upgrading, patching, and troubleshooting Cisco-based network environments.
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• Network Performance: Strong ability to diagnose connectivity issues, resolve critical network outages, and optimize network performance by eliminating data bottlenecks.
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