Senior Linux OS & DevOps Engineer – Embedded Systems

Johnson & Johnson MedTech; Santa Clara (CA); On-site; USD 125,000 - 201,000; Full time

Job summary

Johnson & Johnson is seeking a Senior OS Development Engineer based in Santa Clara, CA, to design, develop, and maintain Linux-based embedded operating systems across Ubuntu, Yocto, and QNX. The role emphasizes kernel-level work, BSP development for ARM platforms like i.MX8, and strong focus on security and automation.

The ideal candidate has a track record delivering production-grade OS platforms, expertise in build systems, and experience with Jenkins, Docker, and AWS.

Qualifications

• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience.
• 6+ years of experience in Linux or embedded OS development.
• Experience with Linux kernel, drivers, and system internals.
• Experience delivering production-grade OS platforms.
• Experience with Ubuntu, Yocto, or QNX.
• Experience building and customizing OS images, bootloaders, and system configuration.
• Familiarity with cryptographic signing and root of trust concepts.

Responsibilities

• Design, develop, and maintain operating systems across Ubuntu x86 x64, Yocto, and QNX platforms.
• Work at the kernel and system level including configuration, patching, performance tuning, and debugging.
• Develop and support BSPs for embedded and ARM based platforms such as i.MX8.
• Lead OS bring up, customization, and validation for new hardware.
• Build and maintain OS images, bootloader, and system services.
• Apply OS security practices including secure boot, system hardening, access control, and vulnerability remediation.
• Identify and address OS level security risks including CVE management and patching.
• Improve OS build systems, toolchains, and automation workflows.
• Build and optimize CI CD pipelines using Jenkins.
• Support Docker based build environments and cloud infrastructure such as AWS.
• Automate workflows using Python and Bash.
• Partner with software, hardware, and QA teams to improve system performance, reliability, and scalability.

Skills

Linux kernel

Drivers

OS development

CI/CD pipelines

Python

Bash

Security

Education

Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience

Tools

Ubuntu

Yocto

QNX

Jenkins

Docker

AWS

Kubernetes

Job description

Johnson & Johnson is seeking a Senior OS Development Engineer based in Santa Clara, CA, to design, develop, and maintain Linux-based embedded operating systems across Ubuntu, Yocto, and QNX. The role emphasizes kernel-level work, BSP development for ARM platforms like i.MX8, and strong focus on security and automation.

The ideal candidate has a track record delivering production-grade OS platforms, expertise in build systems, and experience with Jenkins, Docker, and AWS.