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# Infrastructure Linux Engineer

- **Company:** ECS Limited
- **Location:** Sierra Vista, AZ, United States
- **Contract:** Permanent contract
- **Skills:** Linux, Linux Servers, McAfee VirusScan, SC Clearance, Performance Monitor
- **Published:** July 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9008976/infrastructure-linux-engineer

## About the Role

* Experience deploying and managing McAfee/Trellix ePO
 * 8570 Level 2 certification (e.g., Security+)
 * Active Secret clearance with ability to obtain TS/SCI
 * Comfortable working independently
 * Experience with Rogue System Detection (RSD)
 * Current TS/SCI clearance

## Description

As an Infrastructure/Linux Engineer, you will support ECS's Army Endpoint Security Solution (AESS) program. This is a technical hands-on role to which you will be responsible for working within a multi-disciplined team to design, build, secure, maintain, optimize, and integrate Technologies and solutions deployed globally in a Federal DoD environment., * Deploy, configure, and maintain virtual Linux servers on secure and unsecure networks.

 * Perform routine maintenance and updates on servers to resolve performance and security issues.
 * Deploy, integrate, upgrade, and maintain commercial and government off-the-shelf applications in support of program requirements.
 * Support cross-functional teams with assessing, troubleshooting, and resolving stability and performance issues with third party Linux applications.
 * Create and/or maintain documentation for Linux server configurations.
 * Ability to harden Linux servers and conduct DISA STIG reviews, assess findings, and recommend/implement appropriate corrective measures to ensure compliance with STIG requirements.
 * Implement, tune, operate, and maintain diagnostics and performance monitoring tools to detect, prevent, and/or resolve anomalous server behavior.
 * Collaborate with multi-function teams to maintain an effective and compliant security posture for all systems enclaves.
 * Support special projects as assigned by assisting with requirements gathering, analysis and through direct engineering support to deploy, configure, and implement required systems and services.
 * Utilize CRM tools to request and track change requests to the servers and infrastructure.
 * Collaborative work culture / environments.
 * Provide direct support to the local customer team and CONUS-based Ops team.
 * Background in AESS
 * Must be self-driven and able to learn/adapt on the job


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