Reliability Engineer

Efficient Power Conversion; El Segundo (CA); On-site; USD 70,000 - 90,000; Full time

Job summary

Efficient Power Conversion in El Segundo, California, is seeking a Reliability Engineer to develop and qualify next-generation gallium nitride (GaN) power transistors and ICs. The role includes reliability characterization, automated test development, and data analysis.

Ideal for early-career engineers, the responsibilities include executing test plans, analyzing results, and supporting failure analysis. Applicants should hold a BS in electrical engineering or related fields and must be authorized to work in the U.S.

Qualifications

• Hands-on experience with electronics and test equipment.
• Basic understanding of semiconductor devices or device physics.
• Familiarity with programming languages such as LabVIEW, MATLAB, C/C++, Python.

Responsibilities

• Support development and execution of reliability test plans.
• Assist with electrical characterization and stress testing.
• Track, analyze, and report reliability test results.

Skills

Hands‑on experience with electronics and test equipment

Basic understanding of semiconductor devices or device physics

Familiarity with programming languages (LabVIEW, MATLAB, C/C++, Python)

Strong analytical and problem‑solving skills

Attention to detail and organization

Education

BS in electrical engineering, materials science, or physics

Tools

MATLAB

Python

JMP

Job description

As a Reliability Engineer at Efficient Power Conversion, you will help develop and qualify next-generation gallium nitride (GaN) power transistors and ICs for high-performance power electronics applications. This role involves reliability characterization, automated test development, data analysis, and hands-on laboratory work supporting product qualification and technology development.

You will work closely with experienced engineers across reliability, product, test, and failure analysis teams developing advanced GaN power devices and packaging technologies. This position is ideal for an early-career engineer who enjoys experimental work, is eager to learn semiconductor reliability engineering, and is interested in developing strong skills in electronics, data analysis, and reliability physics.

Essential Functions:

• Support development and execution of reliability test plans by following JEDEC/AEC/MIL test standards.
• Assist with electrical characterization and stress testing of semiconductor devices.
• Track, analyze, and report the reliability test results.
• Develop scripts and tools for processing reliability data and generating reports using MATLAB, Python, JMP, or similar software.
• Support failure analysis activities and documentation.

Job Requirements:

• Hands‑on experience with electronics and test equipment (power supplies, multimeters, source measurement units, oscilloscopes, signal generators etc.).
• Basic understanding of semiconductor devices or device physics.
• Familiarity with programming languages such as (LabVIEW, MATLAB, C/C++, Python).
• Willingness to learn semiconductor reliability concepts and test methodologies.
• Strong analytical and problem‑solving skills.
• Strong attention to detail and organization.

Education/Experience:

• BS in electrical engineering, materials science, or physics or a related discipline.

Additional considerations:

Applicants must be authorized to work in the U.S.; visa sponsorship is not available at this time.

To Apply:

Send resume to [e-mail] . Place the job opening number in the subject line of the email. Provide resume in PDF format and use full name in file name.