This role ensures product quality and reliability by designing robust test methods, developing scalable software-driven solutions, and owning the full equipment validation lifecycle, including in-house Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and IQ/OQ/PQ. Senior Manufacturing Test Engineer Job Summary: The Senior Manufacturing Test Engineer leads the development, implementation, and optimization of manufacturing test processes and advanced automated test systems.
Numbers & Facts
Location
Irvine, CA
Salary
$110–$130
Description
Senior Manufacturing Test Engineer
Job Summary:
The Senior Manufacturing Test Engineer leads the development, implementation, and optimization of manufacturing test processes and advanced automated test systems.
This role ensures product quality and reliability by designing robust test methods, developing scalable software-driven solutions, and owning the full equipment validation lifecycle, including in-house Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and IQ/OQ/PQ.
The role also drives technical leadership, standardization, and continuous improvement across manufacturing operations.
$110k - $130k
Direct Hire
Key Responsibilities:
Lead design, development, and validation of manufacturing test methods, fixtures, and complex automated test systems
Architect, develop, and maintain scalable test software using Python for data acquisition, execution, and analysis
Integrate test hardware with software platforms (DAQ systems, sensors, PLCs) and ensure system-level performance
Drive test automation, data integrity, and system standardization across manufacturing lines
Define and lead test strategy for new product introduction (NPI) and scale to production
Own and lead in-house Factory Acceptance Testing (FAT) to verify equipment functionality and performance
Lead Site Acceptance Testing (SAT), installation, and commissioning activities
Define and drive full validation lifecycle (IQ/OQ/PQ) including protocol development and execution
Troubleshoot complex system-level issues across hardware, software, and processes
Analyze large datasets using Python, SQL, or similar tools to drive yield improvement and cost reduction
Collaborate and lead cross-functional technical discussions with R&D, Quality, Manufacturing, and leadership
Develop and maintain test documentation, software scripts, FAT/SAT protocols, and validation reports
Ensure compliance with regulatory standards (FDA, ISO 13485, GMP)
Mentor junior engineers and technicians
Lead continuous improvement initiatives and test automation roadmap development
Required Qualifications:
Bachelors (Masters preferred) in Electrical, Mechanical, Biomedical, Computer Engineering, or related field
58+ years of experience in manufacturing test engineering
Advanced experience with Python programming (test automation, data analysis, equipment control)
Strong experience leading in-house FAT/SAT and validation (IQ/OQ/PQ)
Deep knowledge of test equipment and systems (DAQ, sensors, PLCs, automation)
Strong problem-solving and root cause analysis skills (5 Whys, Fishbone, DOE)
Preferred Qualifications:
Experience designing custom automated equipment and test platforms
Strong data analytics and visualization skills (Python, SQL, Pandas)
Experience with MES systems and digital manufacturing integration
Medical device or highly regulated industry experience
Lean / Six Sigma certification (Black Belt preferred)
Key Competencies:
Technical leadership and system-level thinking
Strong software + hardware integration expertise
Ownership of full validation lifecycle (FAT / SAT/IQ/OQ/PQ)
Hands-on troubleshooting across hardware and software systems
Strategic mindset with strong execution capability
Excellent cross-functional communication and leadership skills