Senior Linux Systems Engineer - Privileged Access Security

and TM - Providence Technology Group, Inc.; Chicago, Cameron Park (IL, CA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Keeper Security is seeking a Senior Linux Systems Engineer to join our Privileged Access Management team and help build secure Linux privilege management capabilities. This is a 100% remote position, with an opportunity to work a hybrid schedule for candidates based in the Chicago, IL or El Dorado Hills, CA metro areas.

You will design, develop and maintain Linux endpoint privilege management features across Rust, C and .NET, build kernel-facing agents and collaborate with PAM, endpoint and

Qualifications

• 7+ years of professional software or systems engineering experience, with significant hands-on Linux systems programming.
• Deep understanding of Linux process and security concepts, including the proc filesystem, user and group IDs…
• Strong C programming experience, including native Linux development, memory management, GCC and Make-based build…
• Experience developing or integrating with Linux PAM and PAM configuration…
• Strong Rust experience, including ownership, concurrency, asynchronous development and long-running service…
• Experience with Tokio or similar asynchronous Rust frameworks…
• Working proficiency with C# and .NET in Linux environments…
• Experience developing security-sensitive software involving authentication, authorization, privilege elevation…
• Strong understanding of Linux service management and operations, including systemd, journalctl, SELinux and/or AppArmor…
• Experience troubleshooting low-level Linux behavior using system logs, process inspection, tracing and reproducible…
• Ability to read Linux kernel and sub…
• Bachelor’s degree in Computer Science, Engineering or a related field, or equivalent practical experience…

Responsibilities

• Design, develop and maintain Linux endpoint privilege management capabilities across Rust, C and .NET…
• Build and enhance kernel-facing agent functionality using Linux interfaces such as fanotify, the proc filesystem…
• Develop and maintain native PAM modules and Linux privilege-elevation workflows…
• Build long-running privileged Linux services using Rust, Tokio, MQTT, TLS and asynchronous programming…
• Develop Linux-specific orchestration and session-management capabilities in .NET 8, including process authentication…
• Diagnose complex Linux execution and security issues involving blocked processes, authentication races…
• Design secure privilege-enforcement mechanisms based on least privilege, process trust and protection against…
• Build and maintain systemd services, RPM and DEB packages, installation workflows, service hardening…
• Collaborate with PAM, endpoint, QA and platform engineers on architecture, testing, cross-platform functionality…
• Use AI-assisted development tools such as Claude, ChatGPT, GitHub Copilot or similar platforms to improve…

Skills

Linux systems programming

C programming

Rust programming

C#/.NET

PAM

Linux service management

systemd

security concepts

kernel development

async programming

Education

Bachelor's degree or equivalent

Tools

GCC

Make

Tokio

Job description

Keeper Security is seeking a Senior Linux Systems Engineer to join our Privileged Access Management team and help build secure Linux privilege management capabilities. This is a 100% remote position, with an opportunity to work a hybrid schedule for candidates based in the Chicago, IL or El Dorado Hills, CA metro areas.

You will design, develop and maintain Linux endpoint privilege management features across Rust, C and .NET, build kernel-facing agents and collaborate with PAM, endpoint and