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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

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About the job

Overview

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Engineering & Analysis, and Training.

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.

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

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

Pay Transparency Statement AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $85,000.00/Yr. - USD $120,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement EEO Race/Sex/Disability Status/Veteran Status