Principal Firmware Engineer

CoherentHorsham, PA
Onsite

About The Position

This role focuses on firmware development, including the design and development of control algorithms, features, and firmware test processes across multiple products. The engineer will perform unit functional tests and robustness tests, continuously improve code reusability, execution efficiency, and product performance, and ensure firmware documentation is accurate and up-to-date. Collaboration with optical, hardware, and test engineering teams is essential for improving firmware performance, execution efficiency, and development processes. Additionally, the role involves coaching junior engineers, driving coding reviews and practices, and supporting customer, NPI, and manufacturing needs by resolving sustaining issues, fixing bugs in legacy products, and implementing new customer-requested features.

Requirements

  • University degree in Electrical Engineering or Computer Science
  • 8+ years of experience in embedded systems real time control systems development with microcontrollers and FPGA hardware
  • Expert on C++ programming in embedded system
  • Experience in Object Oriented design.
  • Practical experience across the entire Agile development lifecycle, including continuous integration, continuous deployment (CI/CD), and collaboration through DevOps practices.
  • Experience in lab bench debugging tools oscilloscopes, logic analyzers.
  • Should be able to work and deliver on an aggressive schedule.
  • Knowledge and experience on NIOS, ARM and GNU tool chains.
  • Self-starter, highly motivated, dedicated and teamwork oriented.
  • The ability to work independently with less guidance from supervisors.
  • Creative, analytical and structured problem-solving capabilities
  • Strong communication skills and experience working in cross-cultural and global team environments

Nice To Haves

  • Experience in Optical Communication industry is preferred.
  • experience on assembly programming language preferred.
  • Knowledge of digital signal processing and control theory, including the design of various filters as well as open-loop and closed-loop control systems.

Responsibilities

  • Design and develop control algorithms, features and f/w test processes used across multiple products.
  • Perform unit functional tests and robustness tests.
  • Continuously improve code reusability, execution efficiency and product performance.
  • Ensure firmware documentation is accurate and up to date.
  • Work with optical, hardware and test engineering teams to continuously improve firmware performance, execution efficiency, and development processes.
  • Coaching junior engineers on firmware developing.
  • Drive coding reviews and practices across team.
  • Responsible for resolving sustaining issues, fixing bugs in legacy products, and implementing new customer-requested features.

Benefits

  • Regular use of a computer and other office equipment is necessary
  • Interaction with team members and external contacts is a regular part of the job
  • May require occasional overtime and flexibility in work hours to accommodate the executive’s needs.
  • Sitting for extended periods while working on a computer or conducting meetings.
  • Use of hands and fingers for typing, writing, and handling documents.
  • Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
  • Ability to communicate verbally and in writing.
  • Mobility within the office environment to attend meetings
  • All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
  • Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
  • Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.: I ntegrity – Create an Environment of Trust C ollaboration – Innovate Through the Sharing of Ideas A ccountability – Own the Process and the Outcome R espect – Recognize the Value in Everyone E nthusiasm – Find a Sense of Purpose in Work
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service