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# Information Security Engineer - Linux Systems

- **Company:** AMERICAN SYSTEMS
- **Location:** United States
- **Experience:** Experienced
- **Salary:** $85,000.0
- **Contract:** Permanent contract
- **Skills:** Link Aggregation (Ethernet), Systems Engineering, Cyber Security, Dynamic Host Configuration Protocol, Linux, File Systems, Domain Name System (DNS), Monitoring of Systems, Interoperability, Virtual Private Networks (VPN), Python (Programming Language), Network Troubleshooting, Network Layer, Linux System Administration, Linux Servers, Log Analysis, Network Diagrams, Routing, Network Service, Red Hat Enterprise Linux, Shell Script, Software Systems, TCP/IP, Virtual Local Area Networks, Software Vulnerability Management, Computer Networking Systems, Firewalls (Computer Science), Low Latency, Enterprise Integration, User Accounts
- **Published:** July 17, 2026
- **Apply:** https://www.dice.com/job-detail/864688c1-52db-47d2-aef0-4f652abd0354

## About the Role

* Bachelor's degree and 2-4 years of related work experience
 * US Navy and submarine system experience highly desired
 * Red Hat/Linux certifications desired
 * Strong networking skills desired

Pay Transparency Statement

## Description

The Information Security Engineer - Linux Systems will be responsible for administering, securing, troubleshooting, and optimizing Linux-based systems in complex operational environments. This role requires deep hands-on Linux administration experience paired with strong networking knowledge, including the ability to diagnose and resolve issues across system, application, and network layers. The successful candidate will be comfortable working in secure environments, supporting critical infrastructure, and developing advanced capabilities using shell scripting or Python., * Install, configure, secure, and maintain Linux operating systems in enterprise and mission-critical environments

 * Administer Linux servers, services, user accounts, file systems, patches, and access controls
 * Monitor system performance and availability, analyze logs, and troubleshoot complex operational issues
 * Serve as a primary technical resource for network troubleshooting across Linux hosts and connected infrastructure
 * Configure, manage, and troubleshoot network services and protocols, including TCP IP, DNS, DHCP, routing, switching, VLANs, VPNs, firewalls, and interface bonding
 * Analyze packet flow, connectivity, latency, and service communication issues across local and remote systems
 * Support network integration and interoperability of Linux systems with mission platforms, enclaves, and external interfaces
 * Develop, maintain, and enhance system capabilities using shell scripting and or Python
 * Implement system hardening, patching, and vulnerability remediation in accordance with security requirements
 * Support backup, recovery, continuity, and system restoration procedures
 * Collaborate with cybersecurity, network engineering, software, and systems engineering teams to maintain reliable operations
 * Maintain technical documentation, network diagrams, system procedures, and configuration baselines
 * Support lab, test, deployment, and operational environments as required
 * Provide support for specialized defense systems


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