Senior Linux Systems Engineer – Mission-Critical Secure Infra

OpenTalent; Town of Florida (NY); On-site; USD 130,000 - 170,000; Full time

Job summary

OpenTalent is seeking a Senior Linux Systems Engineer / Linux SME to support a mission critical customer in a classified environment. The candidate will be a hands-on Linux expert with deep Red Hat experience, responsible for sustaining, modernizing, and improving a system tightly coupled to the underlying infrastructure.

The role requires a proactive senior technical resource capable of troubleshooting across Linux, storage, virtualization, networking, and apps, while aligning with security,

Qualifications

• 10+ years of Linux system administration and mission system operations.
• Experience with Red Hat, security hardening, and operational troubleshooting.
• Ability to operate independently in a classified environment.

Responsibilities

• Support the administration, sustainment, troubleshooting, and modernization of mission critical Linux based systems in a classified environment.
• Serve as a senior Linux technical resource for Red Hat based infrastructure, including system configuration, patching, performance tuning, user management, networking, security hardening, and operational troubleshooting.
• Support a system tightly integrated with underlying infrastructure, requiring understanding of how Linux, storage, virtualization, networking, applications, and mission services interact.
• Assist with architecture, design, integration, testing, and deployment activities across on premises and cloud adjacent environments.
• Support build, integration, test, and deployment pipelines with focus on reliability, security, and operational stability.
• Leverage automation and configuration management tools to improve consistency and reduce manual effort.

Skills

Linux admin

Red Hat

Security hardening

Troubleshooting

Mission systems

Job description

OpenTalent is seeking a Senior Linux Systems Engineer / Linux SME to support a mission critical customer in a classified environment. The candidate will be a hands-on Linux expert with deep Red Hat experience, responsible for sustaining, modernizing, and improving a system tightly coupled to the underlying infrastructure.

The role requires a proactive senior technical resource capable of troubleshooting across Linux, storage, virtualization, networking, and apps, while aligning with security,