
Principal Firmware Engineer
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At a glance
Requirements
Credentials this posting asks for.
Job overview
Coherent seeks a Principal Firmware Engineer to design and develop embedded firmware, control algorithms, and testing processes for optical amplifier modules and related products, while collaborating with cross-functional teams and mentoring junior engineers.
Skills & qualifications
Skills
Qualifications
Full job description
Join Coherent to develop firmware for advanced optical amplifier modules, optical transport subsystems and micro-optics products.
You will develop new products while supporting existing platforms, working closely with customers and cross-functional engineering teams to define requirements and deliver effective technical solutions.
What You’ll Do
Firmware Development – 80%
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Design and develop embedded firmware, control algorithms and reusable features across multiple optical products.
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Create firmware test processes and perform functional, unit and robustness testing.
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Improve code reusability, execution efficiency and product performance.
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Maintain accurate and up-to-date firmware documentation.
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Collaborate with optical, hardware and test engineers to improve firmware and development processes.
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Clarify customer requirements and recommend appropriate technical solutions.
Technical Leadership and Support – 20%
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Mentor junior firmware engineers and provide technical guidance.
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Lead code reviews and promote consistent coding standards.
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Support customers, New Product Introduction and manufacturing teams.
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Resolve sustaining issues, fix legacy-product defects and implement new customer-requested features.
About You
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Degree in Electrical Engineering, Computer Science or a related discipline.
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Eight or more years of experience developing embedded and real-time control systems using microcontrollers and FPGA-based hardware.
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Advanced embedded C++ programming and object-oriented design experience.
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Knowledge of NIOS, ARM and GNU toolchains.
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Practical Agile development experience, including CI/CD and DevOps practices.
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Experience using laboratory debugging tools, including oscilloscopes and logic analysers.
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Knowledge of digital signal processing and control theory, including filters and open- and closed-loop systems.
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Strong analytical, structured problem-solving and communication skills.
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Ability to work independently, manage priorities and deliver against demanding schedules.
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Experience working within global, cross-cultural teams.
Experience in optical communications and assembly-language programming would be advantageous.
Our ICARE Values
Everything we do is guided by our ICARE values:
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🤝 Integrity – Create an environment of trust.
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✨ Collaboration – Innovate through the sharing of ideas.
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🎯 Accountability – Own the process and the outcome.
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🌍 Respect – Recognise the value in everyone.
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🚀 Enthusiasm – Find a sense of purpose in work.
ABOUT US
Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.
Job Identification: 2013338
Degree Level: Bachelor's Degree
Job Schedule: Full time
Pay Scale: $96,888 - $188,892 per Year
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