Information Assurance/Security Engineer – Linux Systems Specialist
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Posted: 10/21/2026Cyber SecurityDNSFirewallsLinuxPythonShell ScriptingSwitchingTCP/IP
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Posted: 10/21/2026Information Assurance/Security Engineer – Linux Systems Specialist
AMERICAN SYSTEMSPosted 10/21/2026full-timeMiddletown • Rhode Island • United StatesJuniorMid-Level💰 $85,000 - $120,000 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in Linux administration, including installation, configuration, and maintenance of Linux operating systems in secure environments. Proficient in networking, system troubleshooting, and scripting with shell or Python to enhance system capabilities.
Highest-signal resume keywords
Linux AdministrationNetworking SkillsShell ScriptingPython ProgrammingSecret Clearance
Tech Stack
Tools & technologiesAbout the role
Key responsibilities & impact- 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
- Troubleshoot networks across Linux hosts and connected infrastructure
- Configure, manage, and troubleshoot TCP/IP, DNS, DHCP, routing, switching, VLANs, VPNs, firewalls, and interface bonding
- Analyze packet flow, connectivity, latency, and service communication issues
- Support Linux integration with mission platforms, enclaves, and external interfaces
- Develop and enhance system capabilities using shell scripting or Python
- Implement system hardening, patching, and vulnerability remediation
- Support backup, recovery, continuity, and system restoration procedures
- Collaborate with cybersecurity, network engineering, software, and systems engineering teams
- Maintain technical documentation, network diagrams, system procedures, and configuration baselines
- Support lab, test, deployment, and operational environments
- Provide support for specialized defense systems
Requirements
What you’ll need- 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
- Secret clearance required
- Hands-on Linux administration experience
- Strong networking knowledge
- Experience with shell scripting or Python
- Ability to work in secure environments and support critical infrastructure
Benefits
Comp & perks- Healthcare benefits
- Paid leave
- Retirement plans
- Insurance programs
- Education and training assistance
- Employee ownership
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Linux Operating SystemsSystem HardeningPatch ManagementTCP/IP ConfigurationDNS ManagementDHCP ConfigurationVLAN ManagementVPN ConfigurationFirewall ManagementTroubleshooting
Tools & Technologies
Linux ServersCybersecurity ToolsNetwork Monitoring ToolsTechnical Documentation
Certifications & Qualifications
Red Hat Certification
Industry Keywords
Mission-Critical EnvironmentsUS Navy ExperienceSubmarine SystemsOperational SupportCritical Infrastructure