Linux System Administrator Security Clearance
Job in
Winchester, Frederick County, Virginia, 22603, USA
Listed on 2026-03-01
Listing for:
Mission Support and Test Services, LLC
Full Time
position Listed on 2026-03-01
Job specializations:
-
IT/Tech
Cybersecurity, IT Support, Systems Administrator, Cloud Computing
Job Description & How to Apply Below
Position Overview
Provide administration, support, and operational excellence for Red Hat Enterprise Linux (RHEL) systems within a secure, mission-critical environment. Assist in integrating and managing hybrid infrastructure leveraging AWS cloud services.
Key Responsibilities- Install, configure, patch, and maintain Red Hat Enterprise Linux (RHEL) systems in both virtualized and physical environments
- Manage AWS components such as EC2, ELB, Auto Scaling, and other relevant services.
- Automate system tasks using Bash, Python, or similar scripting languages
- Implement security hardening, including system configuration baselines, vulnerability scanning, and mitigation — in compliance with federal mandates (STIGs, NIST)
- Proactively monitor performance and availability; troubleshoot and resolve system, network, and AWS integration issues
- Manage user accounts, access controls, and authentication services
- Maintain detailed documentation in tools such as Jira and Confluence
- Participate in on-call rotations to ensure high availability and rapid incident response
Required:
- 5+ years of RHEL/Linux system administration experience in enterprise or secure settings
- Hands-on experience with AWS services (EC2, ELB, Auto Scaling, etc.)
- Strong scripting skills (e.g., Bash, Python) for automation tasks
- Experience applying system hardening and security best practices
- Ability to troubleshoot system and network issues across Linux and cloud environments.
Top Secret clearance.(SCI eligibility and willing to get CI poly)
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