Sr Principal Software Engineer, Sr Principal Embedded Software Engineer

Digi International (Digi) is a leading global provider of mission‑critical and business‑critical machine‑to‑machine (M2M) and Internet of Things (IoT) connectivity products and services. We help our customers create next generation connected products, deploy, and manage critical communications infrastructures in demanding environments. Our embedded modules and off‑the‑shelf routers, gateways and network products are designed for relentless reliability and deliver unquestioned performance and security.

Our cloud‑based software and professional services help customers put their connected products and assets to work across a broad range of mission‑critical industry applications. Founded in 1985, we have helped our customers connect over 100 million things and growing.

Preferred location for this role:
Hopkins, MN (Hybrid)

Senior Principal Embedded Software Engineer

We are seeking a highly skilled and forward‑thinking Senior Principal Embedded Software Engineer to lead architecture and development of embedded software for next‑generation 5G cellular routers with Wi‑Fi 7/8 support running an Linux Operating System. This role is instrumental in delivering advanced networking features such as eSIM, Dual SIM, Dual Standy/Active, and enhanced user experiences, while ensuring high standards of software quality, agile development, and AI‑driven productivity.

• Architect and develop embedded Linux software for 5G cellular routers with integrated Wi‑Fi 7/8 capabilities.
• Lead the implementation of key features on the product roadmap, including eSIM, 5G Network Slicing, Dual SIM / Dual Standy/Active, and user experience enhancements.
• Design and optimize networking components, including IP routing, Ethernet interfaces, NAT, and firewall functionality.
• Lead cross‑functional teams to ensure seamless integration of software with hardware, cloud services, and user interfaces.
• Drive agile development practices, including sprint planning, code reviews, and continuous integration.
• Champion software quality through automated testing, static analysis, and robust CI/CD pipelines.
• Integrate AI‑powered development tools to accelerate development and improve code quality.

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering or related field.
• 10+ years of hands‑on software engineering experience.
• Proven expertise programming in C for real‑time embedded systems or Linux/FreeRTOS platforms.

• Experience with wireless (5G, Wi‑Fi, GNSS, BT) and network technologies.
• Experience with Qualcomm software architecture (ex. SDX
  35, SDX6x, SDX7x platforms).
• Knowledge of containerization, virtualization, or edge computing in embedded environments.
• Exposure to Dev Ops practices and CI/CD pipelines for embedded systems.
• Contributions to open‑source networking or embedded projects.
• Please note that we are unable to provide visa sponsorship for this position. This includes, but is not limited to, work visas, employment‑based visas, or residency sponsorship. Candidates must have valid work authorization in the United States at the time of application. Visa applications of any kind will not be considered.

Digi International offers a distinctive Total Rewards package including a short‑term incentive program, new hire stock award, paid parental leave, open (uncapped) PTO, and hybrid work environment in addition to our competitive medical, health & wellbeing and compensation offerings.

The anticipated base pay range for this position is $134,000 – $210,000. Pay ranges are determined by role, job level and primary job location. The range displayed reflects the reasonable range we anticipate paying for this position and reflects the cost of labor within several U.S. geographic markets. The specific salary offered within the range will depend on various factors including, but not limited to the candidate’s relevant and prior experience, education, skills, and primary work location.

It is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each position. Pay ranges are typically reviewed and updated annually.

At Digi, we embrace diversity and inclusion among our teammates. It is critical to our success as a global company, and we seek to recruit, develop and retain the most talented people from a diverse candidate pool. We are committed to providing an environment of respect where equal employment opportunities are available to all applicants and teammates. Digi is committed to building a diverse and inclusive team.

We welcome applicants from all backgrounds.