Embedded Software Engineer

🕒 April 21

🍂 Massachusetts – Remote

🍂 Massachusetts – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

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Ciena

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1985

📡 Telecommunications

🔧 Hardware

💰 Series C on 1995-12

Telecommunications • Hardware • Networking

Ciena is a global leader in optical and routing systems, services, and automation software. We build the world’s most adaptive networks to address ever-increasing digital demands for richer, more connected experiences for all users. For three-plus decades, we’ve brought our innate sense of humanity to our relentless pursuit of innovation.

📋 Description

• 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.

🎯 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