C

Ciena

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Ciena is a global leader in optical and routing systems, delivering adaptive networks and automation software to meet the growing demands of digital connectivity.

Hanover, Maryland

Telecommunications
5,001+ people

About

Ciena (NYSE:CIEN) is the global leader in high-speed connectivity. We build advanced networks to support exponential growth in bandwidth demand—empowering our customers, partners, and communities to thrive in the AI era. With unparalleled expertise and innovation, our networking systems, interconnects, automation software, and services revolutionize data transmission and network management.

Open positions

Embedded Software Developer (New Grad)

On-site · Ottawa

Develop low-level software components for embedded networking products and perform board bring-up activities. Manage the full software development lifecycle including testing, documentation, debugging, and maintenance of scripts and utilities.

Senior Embedded Software Engineer

Hybrid · Ottawa

The role involves developing embedded software platforms, drivers, and diagnostics for high-speed networking technologies. You will collaborate with multidisciplinary teams to support the software development lifecycle from initial design through to customer delivery.

Experienced Photonic Card Software Developer

Hybrid · Ottawa

Design and develop high-performance C/C++ embedded software for Linux and VxWorks platforms to support networking solutions. Collaborate with cross-functional teams and third-party vendors to ensure system reliability, testing, and defect resolution.

Embedded Software Developer - New Grad

On-site · Ottawa

The developer will design, implement, and debug embedded software for networking devices such as routers and switches. They will also participate in the full software development lifecycle, including requirements analysis, testing, and code reviews.

Software Developer Intern - Fall 2026

On-site · Ottawa

You will contribute to coding assignments for embedded platform software and collaborate with team members using Agile development practices. Additionally, you will create and execute tests to validate new capabilities while troubleshooting and resolving software issues.

Embedded Software Engineer, Canada or US based role

On-site

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. Ciena is seeking an engaged and high-energy Software Engineer to contribute to firmware development for Optical Network Unit (ONU) systems. This role is critical to delivering reliable, production-quality embedded so…

Embedded software engineer

Hybrid · Ottawa

Design, code, and integrate embedded C/C++ software for Linux and RTOS on SoC platforms interfacing with ASIC/FPGA hardware. Lead the full software lifecycle from requirements to delivery while mentoring junior engineers and supporting field deployments.

Experienced Photonic Card Software Developer

On-site

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. Ciena is advancing optical networking innovation through high-performance photonic card software enabling next-generation communication systems. This role contributes to the design and delivery of software that power…

Stagiaire en développement logiciel - COOP Software developer

On-site

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. L’opportunité : Stage de 4 mois: Septembre – Décembre Comment vous contribuerez : L’équipe R&D des composants photoniques à haute vitesse est située à Québec et développe des dispositifs qui constituent une partie im…

Photonics Software Engineer Intern (12 Months, Fall 2026)

On-site

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. . How You Will Contribute: As an embedded software developer in a dynamic team environment, you will help enhance the quality of best-in-class optical networking products. The team develops leading-edge photonics sof…

Embedded Software Engineer Intern (12-16 months - September 2026)

On-site

As the global leader in high-speed connectivity, Ciena is committed to a people-first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well-being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact. The Opportunity: 12-16 month co-op beginning in September 2026. How You Will Contribute: We design, implement, and maintain real-time embedded platform and application software for several of Ciena’s flagship product…

Sr. QA Engineer - IP Routing

Remote · Canada

Lead the design and validation of next-generation IP routing solutions, focusing on SR-MPLS and SRv6 technologies. Drive end-to-end testing strategies, develop automated frameworks using Python, and mentor engineers to ensure high product quality.