Position Title: Software Designer – Embedded SecurityEmployment Type: Full-time, Existing vacancyLocation: Ottawa ON, OnsiteAbout LumentumAt 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.What You’ll Be DoingDesign and implement secure boot architectures Implement SSD/data-at-rest encryption (key hierarchy, provisioning, rotation, secure erase, performance tradeoffs)Design and integrate gNSI security services and commands (authz, credential rotation, cert management, pathz, authz, secure RPCs)Implement and harden TLS stacks for control, telemetry, and management planes (mTLS, cert lifecycle, crypto agility)Integrate hardware security primitives (TPM, secure elements, eFuses, PUFs)Partner with hardware, platform, and manufacturing teams to operationalize security at scaleDrive security validation, automation, and support internal/external security reviewsWhat We’re Looking ForEducation:Bachelor’s degree in computer science, Computer Engineering, Software Engineering, Electrical Engineering, or a related fieldExperience:5+ years embedded software experience with a solid focus on securityExpert Python/Go for embedded systems; familiarity with C/C++Hands-on experience with secure BIOS/bootloaders, cryptography (ECC/RSA, AES, SHA-2/3), and PKIx86 platform security experience, including BIOS/UEFI, measured boot, and firmware trust chainsTCG Opal experience (self-encrypting drives, disk encryption, pre-boot authentication)TPM 2.0 integration and usage (measured boot, key sealing,



attestation)Knowledge of secure supply chain practices, SBOMs, and device identity at scalePractical experience implementing TLS/mTLS and certificate lifecycle managementUnderstanding of network device security and management interfaces (gRPC/gNMI/gNSI)Experience with Linux-based embedded platforms and/or RTOS environmentsStrong debugging skills Asset/Nice to HaveExperience in telecom, networking, or optical systemsKnowledge of secure manufacturing, provisioning, and RMA flowsPerks You’ll LoveFlexible time offHealth and wellness benefits (physical and mental)Tuition reimbursement and career growth supportA workplace built for you: free gym, games room, prayer roomSubsidized meals, free coffee/teaEmployee stock options and incentive plansA collaborative, innovative, and inclusive cultureSalary RangeThe salary range for this position is $110,625 - $149,675 CAD (Flexible).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.Join a Team That’s Shaping the FutureAt 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 heartof 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 to request accommodation.Join us—your future starts here!

📌 Software Designer – Embedded Security - C$110,625 - C$149,675 A Year (Toronto)
🏢 Lumentum
📍 Toronto