Title Senior Embedded Software Engineer Employment Type Full-time, permanent Location Ottawa ON, onsite About 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. 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. What You’ll Be Doing Work with multidisciplinary teams to define new product requirements. Document and review requirements and designs with peers and stakeholders. 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 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). Experience with 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 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 to request accommodation. #J-18808-Ljbffr