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Principal Hardware Engineer

Job in San Jose, Santa Clara County, California, 95199, USA
Listing for: Lumentum Operations LLC
Full Time position
Listed on 2026-09-04
Job specializations:
  • Engineering
    Hardware Engineer, Electronics Engineer, Systems Engineer, Electrical Engineering
Salary/Wage Range or Industry Benchmark: 134750 - 192500 USD Yearly USD 134750.00 192500.00 YEAR
Job Description & How to Apply Below

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

About Lumentum

At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing. We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.

Why

You’ll Love This Role

Our Cloud and Networking Optical Module R&D team is a world-class group of international engineers dedicated to designing and developing advanced optical transceivers and related technologies. We focus on delivering high-performance, energy-efficient, and cost-effective solutions that propel cutting-edge telecom and data center applications. As a Principal Hardware Engineer, you will be recognized as a subject-matter expert (SME) in hardware design, opto-electronic packaging, and materials science.

You will mentor and guide technical leads as well as junior team members, ensuring that next-generation products are delivered on time and at the highest standards of quality.

What You’ll Be Doing
  • Subject-Matter Expertise in Hardware Design:
    Serve as a recognized SME in optical transceiver hardware design and development with a deep understanding of hardware theory and its application to real-world challenges. Provide high-level guidance and mentorship to cross-functional teams, ensuring best practices are consistently implemented.
  • Opto-Electronic Package Leadership:
    Act as a go-to expert on cost-effective opto-electronic packaging, component design, and integration strategies that meet or exceed performance and cost objectives. Offer strategic input on complex packaging challenges and lead high-impact initiatives to optimize product reliability, manufacturability, and budgetary constraints.
  • Standards & Compliance Authority:
    Demonstrate expert knowledge of design specifications, compliance requirements, and qualification standards (e.g., Telcordia). Provide guidance to technical leads for testing and analysis of complex hardware systems, ensuring product designs align with industry and regulatory standards.
  • Advanced Materials Science Expertise:
    Recognized as a SME in materials science, applying a deep understanding of material properties and behaviors to resolve complex hardware development issues. Provide expert-level advice on material selection, testing and analysis methodologies to support robust and reliable hardware solutions.
  • Hardware Testing & Troubleshooting:
    Lead the planning and execution of advanced testing and analysis on complex hardware systems and components, diagnosing issues swiftly and implementing innovative solutions. Oversee continuous improvement initiatives, driving new test methodologies that elevate product performance and reliability.
  • High-Speed Circuit & PCB Design:
    Continue to own and innovate on PCB design, focusing on high power efficiency, low noise, small footprints, and seamless integration with high-speed components (e.g., DSPs, drivers, TIAs). Collaborate closely with CAD engineers and cross-functional teams to ensure holistic design approaches.
  • Cross-Functional & Global

    Collaboration:

    Provide technical leadership for cross-disciplinary projects involving firmware, test, materials, and manufacturing engineers, championing effective communication and alignment. Partner with global teams (US, Europe, Asia) to share expertise, drive continuous innovation, and deliver industry-leading products.
What We’re Looking For
  • Education:

    BS, MS, or PhD in Electrical Engineering, Photonics, Physics, Materials Science, or a related field.
  • Proven Industry Expertise:
    Extensive background in designing high-speed electronic or optical systems, with a demonstrable track record of successful product releases and significant design ownership.
  • Subject-Matter…
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