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CI poly Linux SME with DAN

Insight Global, Inc.

Posted today

Job Requirements

Bethesda, MD
Top Secret/SCI CI Polygraph
Mid Level Career (5+ yrs experience)
$150,000 - $175,000

Job Description

Company: Data Analytic Solutions
Job Title: Linux SME
Location: Bethesda, MD - fully onsite
Pay: $150- 175k
Duration: Perm / direct hire
Intv process:
1) Phone with sub
2) Final with prime

Overview:
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.

Qualifications:
• Active TS/SCI clearance and CI Polygraph - DoD 8570 IAT Level II or III certification (Security+ CE, CASP+, CISSP).
• 8+ years of experience administering Linux systems in a secure, mission-critical environment.
• 3+ years supporting cross-domain or multi-enclave environments (CDS, Garrison, SMART.NeXT, CDSSF).
• Advanced knowledge of RHEL 7/8/9, including system hardening and kernel-level tuning.
• Experience with automation frameworks and scripting languages (Ansible, Bash, Python).
• Familiarity with RMF/ATO processes and audit log management.

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., Ansible, SCAP, Puppet).
• Collaborate with CDS engineers, Information Assurance personnel, and enclave leads to meet ATO/RMF compliance.
• Troubleshoot kernel-level issues, performance bottlenecks, and cross-domain interface stability.
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We aren’t just a staffing company. We’re a company that cares for others. It might sound lofty, but it’s the idea that gets us up every day, determined to make it true. Insight Global is a company that people can anchor to in moments of triumph, struggle, and every time in between. Whoever you are and wherever you come from, you matter to us and we have your back.
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Insight Global, Inc. Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI