Position Title: Software Designer – Embedded Security

Employment Type: Full-time, Existing vacancy

Location: Ottawa ON, Onsite

About Lumentum

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.

What You’ll Be Doing

- Design 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 scale
- Drive security validation, automation, and support internal/external security reviews

What We’re Looking For

Education:

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

Experience:

- 5+ years embedded software experience with a strong focus on security
- Expert Python/Go for embedded systems;

familiarity with C/C++
- Hands-on experience with secure BIOS/bootloaders, cryptography (ECC/RSA, AES, SHA-2/3), and PKI
- x86 platform security experience,



including BIOS/UEFI, measured boot, and firmware trust chains
- TCG 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 scale
- Practical experience implementing TLS/mTLS and certificate lifecycle management
- Understanding of network device security and management interfaces (gRPC/gNMI/gNSI)
- Experience with Linux-based embedded platforms and/or RTOS environments
- Strong debugging skills

Asset/Nice to Have

- Experience in telecom, networking, or optical systems
- Knowledge of secure manufacturing, provisioning, and RMA flows

Perks You’ll Love

- Versatile 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

Salary Range

The 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 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 jus

📌 Software Designer – Embedded Security (Toronto)
🏢 Lumentum
📍 Toronto