Linux Information Security Engineer - Networking & Systems

American Systems; Middletown (RI); On-site; USD 85,000 - 120,000; Full time

Job summary

American Systems seeks an Information Security Engineer - Linux Systems in Middletown, RI to administer and secure Linux-based infrastructures in mission-critical environments. The role requires deep hands-on Linux administration and strong networking knowledge, with scripting in shell and Python to enhance capabilities.

You will work with cybersecurity, network, software, and systems engineering teams to maintain reliable operations, implement hardening, and support critical defense platforms

Qualifications

• Bachelor's degree or higher required with 2–4 years of related work experience.
• US Navy and submarine system experience highly desired.
• Red Hat/Linux certifications desired.
• Strong networking skills desired.

Responsibilities

• 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 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 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.

Skills

Networking

Shell scripting

Python

Education

Bachelor's degree

Red Hat/Linux certifications

Tools

Shell scripting

Python

Job description

American Systems seeks an Information Security Engineer - Linux Systems in Middletown, RI to administer and secure Linux-based infrastructures in mission-critical environments. The role requires deep hands-on Linux administration and strong networking knowledge, with scripting in shell and Python to enhance capabilities.

You will work with cybersecurity, network, software, and systems engineering teams to maintain reliable operations, implement hardening, and support critical defense platforms