About Us

Red Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies that are bringing revolutionary advancements to market in three distinct practice areas: healthcare, cyber, and national security. United by a shared sense of duty and deep belief in the power of innovation, Red Cell is developing powerful tools and solutions to address our Nation’s most pressing problems.

Test Systems Engineer

Location: Minimum of 3 days a week in the office in Torrance, CA. (Hybrid role)

This role will report to: Director of Test and Operations

About Claros

Claros enables Grid-to-Chip power infrastructure solutions for next generation Data Centers. Our mission is to transform power management to meet the global energy demand created by big data, artificial intelligence and ML. Through our innovative power delivery platform, our technology helps next generation data centers implement and operate server platforms that identify, control, and optimize power and energy management systems to meet real-world end user demands. We serve government and commercial customers.

About The Team

We are open-minded, fast paced, problem solvers that value open dialogue and candor. Our passion is to challenge the status-quo and we embrace transformational thinking. Our response is never “no, but….” instead “yes, if….”. We are mindful of our personal and organizational blinders and try to build an environment where our team members are At Their Best.

About The Role

Claros Technologies is seeking a highly skilled, self-motivated Test System Engineer to help drive the development of next-generation power delivery and semiconductor technologies. In this role, you’ll design and implement automated test systems, custom PCBs, and evaluation hardware to validate cutting-edge integrated voltage regulators and high-power demonstrators. You’ll work hands-on in the lab and collaborate across design, packaging, and system teams to ensure accurate, data-driven performance validation from silicon to full system integration. This is an exciting opportunity for an engineer who thrives on innovation, precision, and solving complex system challenges in a fast-moving R&D environment.

What You Will Do

Test System Architecture & Development

Define and develop test system architecturefor validating power conversion ICs, modules, and subsystems.
Integrate hardware and software components—bench instruments, DAQs, power analyzers, load systems, and thermal sensors—into unified automated setups.
Design custom interface boards, test fixtures, and harnesses to support automated validation and reliability testing.
Establish robust test methodologies for efficiency, thermal, and transient performance characterization.
Develop scalable test infrastructurefor prototype and production-intent platforms.

Hardware Design & PCB Development

Design evaluation and control PCBsfor IVR, converter, and power module testing.
Implement features for telemetry, fault monitoring, and safety interlocks.
Ensure PCB designs comply with DFT (Design for Test) and DFM (Design for Manufacturing) guidelines.
Work with external vendors for fabrication and assembly, and lead bring-up/debug of evaluation hardware.

Test Automation & Data Systems

Develop and maintain automated test scripts using Python, LabVIEW, or MATLABto control instruments and log data.
Create test frameworks to manage multiple devices and complex test sequences.
Automate post-processing, data visualization, and report generation.
Support calibration, traceability, and repeatability across test systems.

System Integration & Validation

Collaborate with silicon, packaging, and system teams to define interface, telemetry, and control requirements.
Validate system performance—including electrical, thermal, and control loop stability—against specifications.
Contribute to reliability and environmental test plans (thermal cycling, load transients, and power-on stress).
Participate in bring-up of full demonstrator systems(e.g., embedded glass substrate modules, TTV platforms).

What You Bring

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related discipline.
4–8 years of experience developing automated test systems for semiconductors, power electronics, or mixed-signal ICs.
Hands-on experience with bench instrumentation, automated test software, and PCB design.
Proficiency in test scripting(Python, LabVIEW, C/C++, or MATLAB).
Knowledge of power conversion, analog/digital circuits, and embedded control.
Familiarity with data acquisition, communication protocols (I²C, SPI, PMBus, CAN, etc.), and control loop analysis.
Experience with hardware bring-up, debugging, and root cause analysis.

What We Offer

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.

Salary Range: $126,000-$173,000. This represents the typical salary range for this position based on experience, skills, and other factors.

We’re an Equal Opportunity Employer: You’ll receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.

Test Systems Engineer

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