Position Title: Senior Embedded Networking Developer

Employment Type: Full-time, Existing vacancy

Location: Ottawa ON, Onsite

At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing.

We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.

Lumentum is seeking a Senior Embedded Networking Developer to design and develop next-generation Optical Circuit Switch (OCS) platforms. In this role, you will play a key part in defining system architecture, implementing embedded networking software, and mentoring other engineers as we build high-performance, scalable optical networking solutions.

• Collaborate with cross-functional teams (systems, hardware, firmware, and test) to define product requirements and software architecture.
• Design, develop, and maintain embedded software for OCS platforms.
• Document and review software requirements, designs, and interfaces with peers and stakeholders.
• Develop, review, and execute designer test cases.
• Support software integration, system bring-up, and product verification activities.
• Troubleshoot and debug low-level software issues across hardware and software boundaries.
• Participate in and lead code reviews and design inspections.
• Provide technical leadership and mentorship to junior engineers, sharing best practices and domain expertise.

Bachelor’s degree in computer science, Computer Engineering, Software Engineering, Electrical Engineering, or a related field.

• 4+ years of professional experience developing embedded software in C/C++.
• Strong experience with embedded Linux development.
• Solid understanding of multi-threaded and concurrent software design.
• Experience using source control systems (Git).
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication skills and ability to work effectively in a team environment.

• Experience with Ethernet switches and networking protocols such as TCP/IP, IPv6, DHCPv6, VLAN, ECMP, LLDP, LAG, and LACP.
• Experience with Secure Zero Touch Provisioning (sZTP) and BootZ.
• Familiarity with hardware/software interfaces such as PCIe, I2C, and SPI.
• Cross-compilation and remote debugging in embedded environments.
• JTAG-based debugging and board bring-up experience.
• Ability to read schematics and understand hardware connectivity and system-level interactions.

• 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

The salary range for this position is $110,625 - $149,675 CAD.

Final compensation will be determined based on factors such as experience, skills, and qualifications. In line with our commitment to being a great place to work, Lumentum offers competitive total rewards which may include annual bonus, equity, and comprehensive health and welfare benefits.

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!

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 talentacquisition@lumentum.com to request accommodation.

Join us—your future starts here!