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