Information Assurance/Security Engineer - Linux Systems Specialist

AMERICAN SYSTEMS•Middletown, RI

126d•$85,000 - $120,000

About The Position

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs in information technology, test and evaluation, engineering and analysis, and training. The Information Security Engineer - Linux Systems will administer, secure, troubleshoot, and optimize Linux-based systems in complex operational environments. The position combines hands-on Linux administration with networking expertise to diagnose and resolve issues across system, application, and network layers. The successful candidate will work in secure environments, support critical infrastructure, and develop capabilities using shell scripting or Python. The role also provides support for specialized defense systems and may involve lab, test, deployment, and operational environments.

Requirements

Bachelor's degree.
2–4 years of related work experience.

Nice To Haves

U.S. Navy and submarine system experience.
Red Hat/Linux certifications.
Strong networking skills.

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.
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.