Key Responsibilities:

• Plan, set up, and execute test campaigns on the solar simulator, including thermal receiver characterization, material testing, and sub-system validation
• Design and build test fixtures, instrumentation setups, and data acquisition systems to capture high-quality experimental data
• Operate and maintain the simulator and supporting lab infrastructure , lamp arrays, optics, cooling, controls, and safety systems
• Perform flux mapping, spectral characterization, and calibration to ensure test conditions are well-understood and repeatable
• Instrument test articles with thermocouples, pyrometers, flow meters, flux sensors, and related diagnostics
• Develop data acquisition and control scripts (LabVIEW, Python, or similar) and automate repetitive test sequences
• Analyze test data, identify anomalies, and communicate results clearly to R&D, engineering, and leadership stakeholders
• Partner closely with design engineers to translate test findings into design improvements
• Write test plans, procedures, and reports; maintain rigorous records of configurations, calibrations, and results
• Enforce and continuously improve lab safety practices for high-flux, high-temperature, and high-voltage work
• Support troubleshooting and root-cause investigations on prototype hardware

Required Qualifications:

• Bachelor's degree in Mechanical, Aerospace, Electrical, or a related engineering field
• 3+ years of hands-on test engineering experience in a lab or prototype environment
• Experience designing and executing test plans, including instrumentation selection and test fixture design
• Proficiency with data acquisition tools (LabVIEW, Python, MATLAB, or similar) and common lab instrumentation
• Strong understanding of heat transfer, thermodynamics, or thermal-fluid systems
• Comfort working with high-temperature, high-voltage, or otherwise hazardous equipment, and a demonstrated safety-first mindset
• Clear technical writing and the ability to communicate findings to technical and non-technical audiences

Preferred Qualifications:

• Experience with solar simulators, high-flux testing, or other high-intensity optical systems
• Familiarity with thermal receivers, heat exchangers, or high-temperature storage materials
• Experience calibrating optical or thermal instrumentation (pyrometers, flux gauges, radiometers)
• Background in mechanical fabrication, machining, or hands-on prototype assembly
• Previous work in a fast-moving hardware startup environment

Additional Information:

What We Offer:

• Competitive salary and equity options
• Comprehensive benefits package, including health, dental, and retirement plans
• A dynamic work environment that fosters creativity and innovation
• Opportunities for professional growth and development in a rapidly evolving industry
• Relocation assistance

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Key tasks include:

Leading the development of groundbreaking microelectronics packaging for Nvidia Networking Business Unit's future products Collaborating with world-leading vendors to develop highly ambitious packaging solutions Joining and leading task forces to investigate and support production excursions, failure analysis, and reliability issues Failure investigations and production support for High volume products

To succeed in this role, you will need:

MSc or equivalent experience in Mechanical Engineering / Materials Engineering or similar At least 5 years of experience with development of complex processes (warpage, heat, optics, Adhesives, etc) Experience co-working with subcontractors and vendors Vision and focus for projects and team Curious and creative problem solver as well as organized and multi-tasker Team oriented, able to move and motivate peers. Strong interpersonal skills (verbal and written) High awareness of quality, manufacturability and project schedule

If you have a proven record in packaging development and background in semiconductor manufacturing processes and optical systems, you will stand out in this role.

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