Sr Software Engineer - Embedded

Since 1985, Digi International has been a pioneer in wireless communication, forging the future for connected devices and responding to the needs of the people and enterprises that use them. Before the Internet of Things was a thing, we built M2M and IoT devices, adapted to evolving network standards, and optimized data communications around the most advanced protocols and emerging technologies.

From radio frequency modems to gateways, cellular routers, networking devices, embedded system-on-modules (SOM) and single-board computers (SBCs), Digi's solutions have continually grown to serve an extensive breadth of applications across the IoT landscape. Today, our IoT offerings include sensor-based solutions, a sophisticated platform for remotely monitoring device deployments of any size, anywhere, as well as professional design, implementation and certification teams to help you carry out your vision, no matter how large or small.

Digi International is seeking a highly skilled and forward-thinking Senior Embedded Software Engineer to lead the development of embedded software for next-generation 5G cellular routers with Wi‑Fi 7 support. This role is instrumental in delivering advanced networking features such as eSIM, 5G Network Slicing, 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 capabilities.
• Lead the implementation of key features on the product roadmap, including eSIM, 5G Network Slicing, and user experience enhancements.
• Design and optimize networking components, including IP routing, Ethernet interfaces, NAT, and firewall functionality.
• Collaborate with 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.
• Evaluate and integrate AI‑powered development tools to accelerate development and improve code quality.

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related field.
• 5+ years of experience in embedded software development, with a strong focus on networking and wireless technologies.
• Deep expertise in embedded Linux, C/C++, and real‑time systems.
• Strong understanding of 5G cellular technologies, Wi‑Fi 6/7, and networking protocols (TCP/IP, DHCP, NAT, VPN).
• Experience with Ethernet drivers, packet processing, and firewall configuration (e.g., iptables, nftables).
• Proficiency with agile development tools (e.g., Jira, Git, Jenkins).
• Familiarity with AI/ML tools and their application in software development workflows.
• Excellent problem‑solving, communication, and collaboration skills.

• Experience with wireless and network technologies.
• 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 $95,000 – $149,000. 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…