Senior GaN Power Test & NPI Engineer (Rad-Hard)

EPC Space LLC.; Andover (MA); On-site; USD 110,000 - 140,000; Full time

Job summary

EPC Space LLC is seeking a Sr. Test and Product Development Engineer to advance WBG GaN power devices for space and defense applications. You will develop and support test hardware, drive yields, and manage back-end packaging qualifications through production.

Reporting to the VP of Engineering, you will lead NPI qualifications, collaborate across design, process, and quality teams, and help implement continuous improvements in reliability and test programs.

Qualifications

• Knowledge of power semiconductor products and testing techniques.
• Proficiency in test development, including custom fixtures and dedicated bench test setups (hardware + automation).
• Familiarity with reliability testing and standards.
• Strong problem-solving, project management, and communication skills for internal collaboration.

Responsibilities

• Test Development and Support: Develop and oversee test hardware/program development for ATE, ensuring coverage for functional, parametric, and system-level testing.
• Yield Improvement and Optimization: Analyze assembly and test data to drive yield enhancements, reduce defects, and optimize processes in internal facilities.
• Product Lifecycle Management: Oversee the full back-end process from wafer receipt through assembly, testing, and packaging qualification to volume production and sustainment.
• New Product Introduction (NPI): Coordinate qualification of new devices, including process development, test program validation, and ramp to high-volume manufacturing.
• Quality and Reliability Engineering: Perform failure analysis, root cause investigations, and reliability qualifications.
• Cross-Functional Integration: Work with design, process integration, fab operations, and quality teams to resolve issues.
• Sustaining Engineering: Monitor production metrics, handle excursions, implement corrective actions, and support end-of-life or portfolio management.

Skills

Power semiconductor testing

Test development

Reliability testing

Project management

Communication

Education

Bachelors in Electrical Engineering

Masters in Electrical Engineering

Job description

EPC Space LLC is seeking a Sr. Test and Product Development Engineer to advance WBG GaN power devices for space and defense applications. You will develop and support test hardware, drive yields, and manage back-end packaging qualifications through production.

Reporting to the VP of Engineering, you will lead NPI qualifications, collaborate across design, process, and quality teams, and help implement continuous improvements in reliability and test programs.