Principal Systems Software Architect

Lumentum•Ottawa, ON

8d•$130,000 - $175,900•Onsite

About The Position

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. 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. The Principal Systems Software & Security Architect defines and drives the system-level software and security architecture for advanced optical transport platforms, including OCS and MEMS-based systems. This role serves as the domain authority for software and security, complementing system architects by ensuring cohesive integration of embedded software, firmware, and cybersecurity into overall system design. The position influences cross-platform architecture, long-term technology strategy, and customer-facing technical decisions.

Requirements

Bachelor’s or Master’s degree in Computer Engineering, Computer Science, Electrical Engineering, or related field.
8+ years of experience in embedded systems, system software, or platform architecture.
Proven experience defining system-level architectures across multiple products.
Deep expertise in Linux-based embedded systems and hardware/software integration.
Strong background in security (secure boot, encryption, authentication, key management).
Demonstrated ability to influence cross-functional teams and drive architectural decisions.

Nice To Haves

Experience in optical transport, telecom, or data center systems.
Knowledge of industry security standards (e.g., NIST, IEC 62443, ISO 27001).
Experience with Tier 1 or hyperscale customer engagements.

Responsibilities

Define and own system-level software architecture, including embedded Linux environments, control interfaces, APIs, and data flows.
Establish end-to-end platform security architecture (secure boot, encryption, authentication, key management, root of trust).
Drive scalable, reusable software and security frameworks across multiple product generations.
Act as design authority in architecture reviews; establish standards, best practices, and technical guidelines.
Partner with hardware, firmware, systems, and product teams to ensure cohesive system integration.
Interface with strategic customers on software architecture and security requirements; support audits and technical reviews.
Evaluate and influence third-party components and vendors for software compatibility and security compliance.
Lead resolution of complex system-level issues and guide root cause analysis for critical failures.