Principal Software Engineer

CoherentHorsham, PA
Onsite

About The Position

This position is for a Principal Software Engineer responsible for software development, design, and feature creation for existing and future products. The role involves resolving bugs, collaborating with various engineering teams to enhance product performance and development processes, and ensuring firmware documentation is accurate. Additionally, the engineer will coach junior software engineers, drive coding reviews, and participate in pre and post-sales customer interactions, providing guidance to Field Application Engineers and input to the documentation team.

Requirements

  • University degree in Electrical Engineering or Computer Science.
  • 8+ years of experience in embedded software systems.
  • 5+ years of experience in the Optical Networking industry (L0 and/or L1 equipment).
  • Familiar with L2/L3 protocols (LLDP, OSPF, BGP etc.).
  • Expert in C and C++ programming in embedded systems.
  • Experience with software functions for system products, such as North-Bound Interface, Platform infrastructure, BSP and Applications such as Photonic control, alarms, PMs, Service Management.
  • Practical experience across the entire Agile development lifecycle, including continuous integration, continuous deployment (CI/CD), and collaboration through DevOps practices.
  • Experience in optical networking (ROADM, ILA) system-level features.
  • Able to work and deliver on an aggressive schedule.
  • Good written and oral communication skills in English.
  • Object-oriented design.
  • Embedded Linux multi-process design, multi-thread design.

Nice To Haves

  • Experience in Open-Source code, such as SONiC, FRRouting, Open vSwitch etc.
  • Familiar with networking protocols (Netconf, Open Config, Yang models etc.) and security protocols.
  • Familiar with virtualization and container technologies.
  • Experience in cross-site development with global teams.
  • Knowledge of Chinese is an asset.
  • Programming languages: C/C++, Go, Python.

Responsibilities

  • Design and develop software features based on high-level customer and product line management requirements.
  • Develop new features for existing and future products.
  • Resolve bugs and other sustaining issues for legacy products.
  • Work with validation and integration engineers, optical, hardware, and test engineering teams to continuously improve product performance, execution efficiency, and development processes.
  • Ensure firmware documentation is accurate and up to date.
  • Coach junior software engineers.
  • Drive coding reviews and practices across the team.
  • Engage in pre and post-sales customer interactions, providing guidance to Field Application Engineers.
  • Provide input to the documentation team.
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