Embedded Software Engineer
Location
Massachusetts
Posted
39 days ago
Salary
0
Seniority
Senior
Job Description
Embedded Software Engineer
Ciena
• Develop and maintain embedded Linux firmware on OpenWrt based ONU systems. • Implement and extend PON subsystem software: XGS-PON registration, OMCI agent, eOMCI, Active-Active coordination, and MIB synchronization. • Integrate and configure the Ethernet switching subsystems on Ciena hardware, VLAN operations, port management, QoS (traffic classification, scheduling, shaping), and LACP. • Develop U-Boot bootloader extensions, firmware upgrade flows, and firmware version management. • Implement and maintain security features: TPM 2.0 integration, Secure Boot, OMCI-level PON encryption. • Write and maintain OpenWrt package Makefiles, custom feeds, and build scripts. • Develop and apply patches to the OpenWrt/prplOS base for platform-specific capabilities. • Participate in code review, write unit and integration tests, and debug issues from lab bring-up through field deployment. • Maintain technical documentation and component-level design notes.
Job Requirements
- Bachelor's or Master's degree in Computer Engineering, Electrical Engineering, Computer Science, or a closely related field.
- 3–5 years of relevant professional experience in embedded software or firmware development.
- Proficient in C for embedded/systems programming; familiarity with C++ a plus.
- Hands-on experience with embedded Linux (kernel drivers, device trees, init systems, cross-compilation).
- Familiarity with OpenWrt or a comparable embedded Linux build system (Yocto, Buildroot).
- Working knowledge of networking fundamentals: Ethernet, VLANs, QoS, LACP, TCP/IP.
- Experience with bootloaders (U-Boot preferred) and firmware lifecycle management
- Comfortable using Git, Make, and Linux command-line toolchains.
Benefits
- 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
- vacation time
- comply with all applicable laws regarding Paid Family Leave and other leaves of absence
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