Senior Linux Systems Engineer providing enterprise Red Hat Linux administration, cybersecurity hardening, and infrastructure sustainment for Army JWICS and Military Intelligence Domain networks across hybrid cloud and on-premises environments.
What you'll do
- Deploy, configure, maintain, and secure RHEL systems across distributed hybrid-cloud environments (AWS, on-premises, geographically distributed)
- Develop and enforce standardized Linux security baselines compliant with STIGs, Risk Management Framework (RMF), and Intelligence Community security requirements
- Perform continuous vulnerability scanning, analysis, and remediation using tools like Tenable Nessus; track and document all security mitigation activities
- Automate Linux administration and cybersecurity tasks using Bash, Python, Ansible, Puppet, and Chef to streamline patching, configuration management, and vulnerability remediation
- Manage enterprise Linux services (DNS, DHCP, NFS), user access controls, and system lifecycle operations from deployment through decommissioning
- Collaborate with Information Assurance, Cybersecurity, and network teams to ensure compliance with RMF and Intelligence Community standards; support security assessments and audits
Mission
This role supports INSCOM GISA (Army Intelligence and Security Command Global Enterprise) in sustaining critical Army intelligence networks including JWICS (Joint Worldwide Intelligence Communications System) and MI Domain infrastructure. The position ensures operational continuity, security compliance, and regulatory adherence across a geographically distributed enterprise supporting national intelligence and defense missions.
Required skills
- Red Hat Enterprise Linux (RHEL) administration and deployment
- Linux system hardening and STIG implementation
- Vulnerability scanning and remediation (Tenable Nessus)
- Bash and Python scripting
- Configuration management (Ansible, Puppet, Chef)
- Hybrid cloud infrastructure (AWS, on-premises)
- Enterprise Linux services (DNS, DHCP, NFS)
- Risk Management Framework (RMF) compliance
- System patching and lifecycle management
- Performance monitoring and troubleshooting