Linux Information Security Engineer, Networked Systems

AMERICAN SYSTEMS; City of Middletown (NY); On-site; USD 85,000 - 120,000; Full time

Job summary

AMERICAN SYSTEMS is seeking an Information Assurance/Security Engineer to manage Linux-based systems in complex environments. You will administer, secure, troubleshoot, and optimize Linux servers while collaborating with cybersecurity, network, software, and systems teams.

The role requires hands-on Linux expertise, strong networking, shell scripting or Python experience, and the ability to work in secure facilities supporting critical infrastructure.

Qualifications

• 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.

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 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.
• 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.

Skills

Linux System Administration

Networking

Shell scripting

Python

Troubleshooting

Security hardening

Education

Bachelor's degree

Tools

Red Hat Linux

Job description

AMERICAN SYSTEMS is seeking an Information Assurance/Security Engineer to manage Linux-based systems in complex environments. You will administer, secure, troubleshoot, and optimize Linux servers while collaborating with cybersecurity, network, software, and systems teams.

The role requires hands-on Linux expertise, strong networking, shell scripting or Python experience, and the ability to work in secure facilities supporting critical infrastructure.