Senior Engineering Lab Technician

Claros is a power management solutions company that is innovating at the intersection of power and compute to make AI more sustainable and widely available. By driving down the cost and complexity of power delivery and leveraging innovative hardware and software, the company seeks to decrease energy consumption, optimize power delivery, increase compute performance, and maximize the efficiency of AI operations. Location: Torrance, CA (Onsite) About the Role: We are seeking a highly skilled Senior Engineering Lab Technician to support advanced hardware validation, power electronics testing, and lab operations for next-generation semiconductor and power delivery systems. This role is ideal for a hands-on technician with strong lab discipline, excellent troubleshooting skills, and experience supporting hardware bring-up in a fast-paced R&D environment. The Senior Lab Technician will work closely with PMIC designers, systems, and test engineers to execute validation activities, maintain lab readiness, improve test efficiency, and support production-readiness efforts for next-generation power delivery and semiconductor systems. Key Responsibilities: Hardware Bring-Up, Validation & Debug Support board-level bring-up of power electronics and semiconductor-based hardware. Execute validation, characterization, and reliability testing based on engineering test plans. Assist engineers with debug of power converters, evaluation boards, test fixtures, and prototype hardware. Capture, organize, and summarize test data, waveforms, and observations clearly and accurately. Identify abnormal behavior, document issues, and support root-cause investigation. Soldering, Rework & Prototype Support Perform fine-pitch soldering, component replacement, board rework, and prototype assembly. Support engineering change implementation on prototype boards and test fixtures. Inspect boards and assemblies for workmanship, damage, solder defects, or handling issues. Coordinate with engineering on rework priorities and documentation. Lab Test Execution & Automation Support Set up and operate lab equipment including oscilloscopes, DMMs, power supplies, electronic loads, function generators, and data acquisition systems. Support automated test setups using tools such as Python, LabVIEW, MATLAB, or similar platforms. Help improve test throughput, repeatability, documentation, and lab workflow efficiency. Build, modify, and maintain test fixtures and evaluation setups. Lab Operations & Infrastructure Own daily lab operations, including equipment setup, organization, calibration tracking, maintenance, and troubleshooting. Maintain a safe, clean, and ESD-compliant lab environment. Manage lab inventory including cables, probes, fixtures, components, tools, and consumables. Support incoming hardware inspection, labeling, tracking, storage, and controlled checkout/return processes. Help define and enforce best practices for lab usage, equipment handling, safety, and documentation. Cross-Functional Collaboration Partner closely with chip designers, power electronics engineers, test engineers, digital designers, and operations teams. Support engineering validation and production-readiness activities. Help establish disciplined lab practices. Communicate clearly on test status, lab constraints, equipment issues, and technical observations. Required Qualifications: 3-5+ years in hardware lab or R&D environment Strong hands-on experience with lab equipment such as oscilloscopes, DMMs, power supplies, electronic loads, function generators, and thermal test equipment. Experience supporting hardware bring-up, debug, validation, or characterization. Strong soldering, rework, and prototype modification skills. Familiarity with at least one automation or data analysis tool such as Python, LabVIEW, MATLAB, or similar. Ability to read schematics, follow test procedures, and understand basic electrical measurements. Strong troubleshooting skills and attention to detail. Comfortable working with high-current, low-voltage, and sensitive electronic hardware. Strong organizational skills and ability to maintain lab discipline in a fast-paced environment. Preferred Qualifications: Experience with power electronics, voltage regulators, DC/DC converters, semiconductor devices, or power delivery systems. Experience with semiconductor evaluation boards, device characterization, or application engineering labs. Exposure to ATE systems, bench automation, or production test environments. Basic understanding of DFT, reliability testing, and production screening concepts. Experience with ESD controls, calibration systems, inventory tracking, and lab safety procedures. Startup or fast-paced product development experience. Experience supporting EVT, DVT, qualification, or production-readiness programs. Salary Range : $100,000-$145,000. This represents the typical salary range for this position based on experience, skills, and other factors. Our Red Cell Partners Benefits: Career track opportunity with potential for rapid advancement with strong performance as the firm grows 100% employer paid, comprehensive health care including medical, dental, and vision for you and your family. Paid maternity and paternity for 14 weeks at employees' normal pay. Unlimited PTO, with management approval. Opportunities for professional development and continued learning. Optional 401K, FSA, and equity incentives available. Applicant Data Disclosure By submitting an application, you acknowledge that Red Cell Partners, LLC ("Red Cell") uses third-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (collectively, "Hiring Platforms"). Your application materials, including your résumé, cover letter, work samples, responses to application questions, and any other information you submit, may be transmitted to and processed by these Hiring Platforms for the following purposes: Managing and administering your application throughout the hiring process; Verifying the accuracy and authenticity of application materials, including by cross-referencing information you provide against publicly available sources and proprietary databases; Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories. Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from further consideration. If you have questions about the status of your application or the evaluation process, please contact talent @redcellpartners.com . Red Cell requires its Hiring Platform providers to process your information solely for the purposes described above and in accordance with applicable law. Your information will be retained only for as long as necessary to fulfill these purposes and any applicable legal obligations, after which it will be deleted in accordance with Red Cell's data retention policies. For more information about how your data is used, please refer to our Privacy Policy and Applicant Privacy Notice .

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