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Sr. Staff Engineer, HW/SW Module Integration

Ayar Labs
San Jose, CA, USA
USD 180k-223k / year
Posted on Feb 20, 2026
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  Position: Sr. Staff Engineer, HW/SW Module Integration  
     Location:   San Jose, CA  
  
  Job Id: 543  
  # of Openings: 0  
    
 Sr. Staff Engineer, HW/SW Module Integration
 
Location: San Jose, CA (onsite)
 
Ayar Labs is shattering AI data bottlenecks by moving data at the speed of light. As pioneers of co-packaged optics (CPO), we are using light instead of electricity to move data faster, further, and with a fraction of the energy needed to fuel the explosive growth of AI models. Backed by industry giants like NVIDIA, AMD and Intel and manufactured in partnership with the world’s leading semiconductor ecosystem, Ayar Labs’ co-packaged optics solution is key to unleashing next-generation AI scale-up architectures. As part of our marketing team, you won’t just be managing a brand—you’ll be the voice of a paradigm shift that defines the future of global AI computing architecture.
 
 We are seeking a highly skilled Electrical & Firmware Engineer to design, develop, and support embedded electronic systems from concept through production. This role combines hands-on hardware design with low-level firmware development to deliver reliable, high-performance products. This role will also be responsible for defining high-performance laser driver architectures, control loops, and monitoring firmware to meet aggressive requirements for linewidth, RIN, power stability, and reliability in datacenter and telecom environments.
 
 The ideal candidate is comfortable working across the full product lifecycle, including prototyping, testing, debugging, and cross-functional collaboration. This role operates at a system-architecture level and partners closely with laser device, optics, packaging, reliability, and manufacturing teams.
 
 
 Key Responsibilities 
Design and develop analog and digital circuits, including schematic capture and pcb layout support 
Select and integrate components such as microcontrollers, sensors, power systems, and communication interfaces 
Develop embedded firmware in C/C++ (or similar) for real-time systems 
Implement and maintain device drivers, bootloaders, and communication protocols (SPI, I2C etc)
Perform hardware bring up, debugging, and root cause analysis using lab equipment
Collaborate with mechanical, system (rack/chassis) electrical, manufacturing and test teams to ensure successful product integration, both on-site and offsites in Asia 
Conduct design verification, validation, testing, and documentation
Optimize designs for performance, reliability, manufacturability, and cost 
 
 Required Qualifications 
Bachelor’s or Master’s degree in EE, Computer Engineering, or related fields
5+ years industry experience 
Experience in embedded systems development and electronics design 
Strong understanding of digital and analog fundamentals
Experience with microcontrollers and hardware debugging 
Familiarity with communication protocols and real-time systems 
Ability to troubleshoot complex hardware and software interactions 
Scripting skills (Python, MATLAB etc.)
 
Salary Range: $180,000 - $223,000
 
 NOTE TO RECRUITERS:
 Principals only. We are not accepting resumes from recruiters for this position. Remuneration for recruiting activities is only applicable subject to a signed and executed agreement between the parties. Please don’t send candidates to Ayar Labs, and do not contact our managers.
 
 Ayar Labs is an Affirmative Action/Equal Opportunity Employer and is strongly committed to all policies which will afford equal opportunity employment to all qualified persons without regard to age, sex, national origin, race, color, ethnicity, creed, religion, gender identity, sexual orientation, disability, veteran status, or any other characteristic protected by law. It is the policy of Ayar Labs to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. Veterans are more than welcome and encouraged to apply. 

 
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Sr. Staff Engineer, HW/SW Module Integration
