Senior Embedded Software Designer

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Lumentum Canada was awarded the 2022 National Capital Region’s Top Employers for the 6th consecutive year and the 2022 Career Directory Canada’s Best Employers for Recent Graduates for the 5th consecutive year.

Title: Senior Embedded Software Engineer

Employment Type: Full-time, permanent

Location: Ottawa ON, onsite

Welcome to Lumentum! We’re all about harnessing cutting-edge tech to create a brighter, more connected future. We are the leaders in optical and photonic products, working at the intersection of innovation and impact.

Here’s what we’re up to:

Cloud & Networking

Powering high-speed data transmission for cloud data centers, AI/ML, enterprise systems, and communication services. Think streaming, gaming, and next-gen tech—we make it happen.

Industrial Tech

Innovating with state-of-the-art lasers used in industries like EVs, solar power, display technology, and semiconductors. We’re enabling the future of green tech and advanced manufacturing.

At Lumentum, we’re committed to collaboration, inclusivity, and empowering our team to shine. Together, we’re shaping the tech of tomorrow while supporting a culture where everyone thrives.

Lumentum is looking for a Senior Embedded Software Engineer to play a leading role in the development of software for a new generation of leading-edge LiDAR products.

What You’ll Be Doing

• Work with multidisciplinary teams to define new product requirements.
• Document and review requirements and designs with peers and stake holders.
• Develop and maintain embedded software for optical communications products.
• Document, review and execute designer test cases.
• Provide support throughout the software and product verification cycle.
• Troubleshoot low level software issues.
• Participate in code inspections.
• Provide guidance to and share technical expertise with more junior members of the software team.

What We’re Looking For

• Education: Bachelor’s degree in computer science, Computer Engineering, Software Engineering, Electrical Engineering or a related field.
• Qualifications: 4+ years of embedded C/C++ development experience. Solid understanding of multi-threaded software design. Team player with strong communication and collaboration skills. Strong problem solving, troubleshooting and debugging skills. Source code control (Git, Subversion).
• Assets: Knowledge of optical telecommunications (DWDM/Optical Amplifiers/ROADMs). Linux, SYSBIOS, FreeRTOS or other embedded OS software development. Understanding of hardware devices such as ADCs/DACs/Clocks/UART/FPGAs. Low level software development (Endianness/Bit Masking/Mutual Exclusion). Experience with interfacing to embedded devices via interfaces such as I2C, SPI, dual port RAM, RS-232. Cross compiling/remote debugging. JTAG debugging. Ability to use a schematic to understand how electronic devices are connected.

Perks You’ll Love

• Flexible time off
• Health and wellness benefits (physical and mental)
• Tuition reimbursement and career growth support
• A workplace built for you: free gym, games room, prayer room
• Subsidized meals, free coffee/tea
• Employee stock options and incentive plans
• A collaborative, innovative, and inclusive culture

Join a Team That’s Shaping the Future At Lumentum, we’re more than just a workplace—we’re a launchpad for creativity and innovation. We’re committed to celebrating your unique talents and helping you grow. Our guiding principles—Innovate, Engage, Deliver, Excel, and Win—aren’t just words; they’re the heart of what we do. Let’s Build a Brighter Future Together!

Equal Opportunity Employer Statement

We’re committed to building an inclusive workplace where everyone feels valued and empowered. We welcome applicants from all backgrounds and provide accommodations for individuals with disabilities throughout the hiring process. Your uniqueness makes us stronger, sparks creativity, and drives our success. Please contact us at View email address on click.appcast.io to request accommodation.

Join us—your future starts here!

Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.