TS/SCI w/ Poly Linux SME

Job Description
We are seeking an experienced Linux Subject Matter Expert (SME) to provide advanced systems engineering and operational support for Cross Domain within a secure Defense Intelligence Agency (DIA) environment. This role is embedded with our Cross Domain Shared Services Framework (CDSSF) team and is responsible for maintaining, hardening, troubleshooting, and optimizing Linux-based systems across multiple domains and mission enclaves.

The ideal candidate will have a deep understanding of Red Hat Enterprise Linux (RHEL), system hardening (STIG), cross domain security architectures, and the accreditation processes necessary to support Top Secret/Sensitive Compartmented Information (TS/SCI) systems.

Key Responsibilities:
- Lead system engineering, patching, configuration, and lifecycle maintenance of RHEL/CentOS/Oracle Linux systems supporting CDS environments.
- Implement and maintain DISA STIG-compliant baselines using automation tools (e.g., Ansi...

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