Senior Linux PAM Engineer - Remote

Keeper Security; United States; Remote; USD 150,000 - 185,000; Full time

Benefits offered by this job

Health insurance

401K (Roth/Traditional)

Paid time off and bereavement

Job summary

Keeper Security is hiring a Senior Linux Systems Engineer to join our Privileged Access Management team. The role focuses on endpoint privilege management, process authorization, and secure Linux services across Rust, native C PAM modules, and .NET on Linux.

The position is 100% remote with optional hybrid schedules for candidates in Chicago, IL or El Dorado Hills, CA. Strong expertise in Linux internals, PAM, and security-first design is required.

Qualifications

• 7+ years of professional software or systems engineering experience with Linux
• Deep understanding of Linux process and security concepts
• Strong C programming experience with native Linux development
• Experience with Linux PAM and PAM configuration
• Strong Rust experience with asynchronous development
• Experience with C# and .NET in Linux environments
• Experience building security-sensitive software with privilege elevation and least privilege controls
• Familiarity with Linux service management, SELinux and AppArmor, and packaging for RPM/DEB

Responsibilities

• Design, develop and maintain Linux endpoint privilege management capabilities across Rust, C and .NET components
• Build and enhance kernel-facing agent functionality using Linux interfaces (fanotify, /proc, namespaces, capabilities)
• Develop and maintain native PAM modules and privilege-elevation workflows
• Build long-running privileged Linux services using Rust, Tokio, MQTT, TLS and asynchronous patterns
• Develop Linux-specific orchestration and session-management capabilities in .NET 8
• Diagnose complex Linux execution and security issues including blocked processes and races
• Design secure privilege-enforcement mechanisms based on least privilege
• Build and maintain systemd services, RPM and DEB packaging and distribution workflows
• Collaborate with PAM, endpoint, QA and platform engineers on architecture and production troubleshooting
• Use AI-assisted development tools to improve research, debugging, and documentation

Skills

Linux systems programming

C programming

Rust

C#/.NET on Linux

PAM and PAM configuration

Linux internals

systemd

Security best practices

TOCTOU and race condition concepts

Education

Bachelor’s degree in Computer Science, Engineering or related field

Tools

systemd

RPM packaging

DEB packaging

TLS/PKI

Job description

Keeper Security is hiring a Senior Linux Systems Engineer to join our Privileged Access Management team. The role focuses on endpoint privilege management, process authorization, and secure Linux services across Rust, native C PAM modules, and .NET on Linux.

The position is 100% remote with optional hybrid schedules for candidates in Chicago, IL or El Dorado Hills, CA. Strong expertise in Linux internals, PAM, and security-first design is required.