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, a…
Skills: C, C++, Linux Kernel Drivers, Embedded Software Development, BSP Development
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, a…
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, a…
Skills: Analog Circuit Design, CMOS, BiCMOS, Cadence Virtuoso, Calibre
Belfast, Northern Ireland, United Kingdom · Hybrid
Senior+
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, a…
Skills: Supply Assurance, Supply Planning, Master Scheduling, Customer Order Promising, Order Fulfillment
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, a…
Skills: Automated Test Systems, Design For Testability, C#, TestStand, Python
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, a…
Skills: Capacity Planning, Production Planning, Power BI, Data Analytics, Supply Chain Management
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, a…
Skills: Team Leadership, Embedded Software Development, Vendor Management, RTOS Device Drivers, Linux
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, a…
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, a…
Skills: Global Tax Planning, Tax Strategy, International Structuring, Mergers and Acquisitions, Capital Allocation
Belfast, Northern Ireland, United Kingdom · Hybrid
Senior+
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, a…
Skills: Supply Assurance, Supply Planning, Master Scheduling, Customer Order Promising, Order Fulfillment
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, a…
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, a…
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, a…
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, a…
Fall 2026 Optical Modem Hardware Intern (8-12 months)
Ottawa, Ontario, Canada · On-site
$25/hr–$34/hr
Entry level
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, a…
Skills: Electro-optical Circuit Design, Hardware Verification, Cadence Allegro, High-speed Design, Transmission Line Theory
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, a…
Skills: Digital Signal Processing, ASIC Design, FPGA Application, Matlab, C++
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, a…
Skills: Test Automation, C#, Python, TestStand, Lua
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, a…
New Providence, New Jersey, United States · On-site
Senior
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, a…
Skills: Optical Characterization, High-speed Opto-electronic Testing, DSP-based SerDes Configuration, Integrated Photonics, Analog IC Characterization
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, a…
Skills: ASIC Design, Digital Verification, System Verilog, UVM, Verilog
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$86k–$137k/yr
Full-time
bachelor degree
Medical, Dental, Vision, 401(K) With Company Matching, DCPP With Company Matching, Employee Stock Purchase Program (ESPP)
Posted 39d ago
~40 hrs/week
Responsibilities
Design and implement embedded C software on Linux to configure ASICs and manage hardware resources for optical transport and switching. Collaborate with engineering teams across the product lifecycle to deliver technical specifications and functional software architectures.
Requirements
Requires a Bachelor's degree in Electrical or Computer Engineering and 2+ years of embedded software experience in networking or telecommunications. Must be proficient in C/C++, Linux driver development, and datacom concepts like TCP/IP and DWDM.
Full job description
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.
Senior Software Engineer, WaveLogic Modem Software Development plays a critical role in delivering next-generation optical transport and switching capabilities at Ciena. This role contributes to embedded software that enables high-performance Layer 1/2 networking across advanced hardware platforms. The work directly impacts product quality, scalability, and customer adoption.
How you will make an impact:
Design embedded software in C running on Linux to configure ASIC and hardware components
Implement software to manage hardware resources and meet data path requirements for transport and switching applications
Collaborate with local and remote engineering teams to plan, estimate, and track development activities
Contribute across the product development lifecycle including definition, design, planning, implementation, and testing
Review product requirements and customer use cases to inform software design decisions
Prototype and evaluate alternative solutions on target hardware platforms
Deliver functional specifications and technical design documentation for embedded software architectures
The must haves:
Education: Bachelor’s degree in Electrical Engineering or Computer Engineering
Experience: 2+ years of experience in an embedded software development role within a networking or telecommunications environment, including building applications using C or C++
Application of BSP development, security features, and board bring-up
Development of Linux kernel drivers and user space drivers
Application of embedded systems concepts including Linux operating systems, mutual exclusion, synchronization, interrupt handling, and inter-process communication
Background in datacom and telecom concepts such as DWDM, OTN, Ethernet, and TCP/IP
Debugging using tools such as GDB and Valgrind
Verbal and technical writing skills
Nice to haves:
Experience designing embedded systems using microservice architecture on real-time operating systems
Ability to interpret CPU hardware architectures, hardware functional specifications, and hardware timing diagrams
Linux as a software development environment
Exposure to CLI, TL1, SNMP, NETCONF, REST, and gRPC
Use of development tools including Git, Eclipse, JIRA, Confluence, GDB, and Yocto
YANG modeling language and related toolchains
Scripting using Python, Go, or Bash
Pay Range:
Pay range information for this position, in USD is:
85,900.00 - 137,000.00
#LI-JD
Pay ranges at Ciena are designed to accommodate variations in knowledge, skills, experience, market conditions, and locations, reflecting our diverse products, industries, and lines of business. Please note that the pay range information provided in this posting pertains specifically to the primary location, which is the top location listed in case multiple locations are available.
Non-Sales employees may be eligible for a discretionary incentive bonus, while Sales employees may be eligible for a sales commission. In addition to competitive compensation, Ciena offers a comprehensive benefits package, including medical, dental, and vision plans, participation in 401(K) (USA) & DCPP (Canada) with company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company-paid holidays, paid sick leave, and vacation time. We also comply with all applicable laws regarding Paid Family Leave and other leaves of absence.
At Ciena, we are committed to building and fostering an environment in which our employees feel respected, valued, and heard. Ciena values the diversity of its workforce and respects its employees as individuals. We do not tolerate any form of discrimination.
Ciena is an Equal Opportunity Employer, including disability and protected veteran status.
If contacted in relation to a job opportunity, please advise Ciena of any accommodation measures you may require.
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.
Offices: 7035 Ridge Road, Hanover, Maryland 21076, US · 385 Terry Fox Dr, Ottawa, ON K2K 0L1, CA · 2351 Boulevard Alfred-Nobel, Montreal, QC H4S 2A9, CA · 505 Boulevard du Parc-Technologique, Québec, Quebec G1P 4S9, CA · 154 Middlesex Tpke, Burlington, Massachusetts 01803, US
Converged Packet-OpticalPacket Networking and Carrier EthernetOptical TransportSoftware and ServicesData Center InterconnectSoftware Defined Networking (SDN)Cloud NetworkingSubmarine Networkingand InternetOptical Communication
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.
Offices: 7035 Ridge Road, Hanover, Maryland 21076, US · 385 Terry Fox Dr, Ottawa, ON K2K 0L1, CA · 2351 Boulevard Alfred-Nobel, Montreal, QC H4S 2A9, CA · 505 Boulevard du Parc-Technologique, Québec, Quebec G1P 4S9, CA · 154 Middlesex Tpke, Burlington, Massachusetts 01803, US
Converged Packet-OpticalPacket Networking and Carrier EthernetOptical TransportSoftware and ServicesData Center InterconnectSoftware Defined Networking (SDN)Cloud NetworkingSubmarine Networkingand InternetOptical Communication