Manufacturing Test Engineer III

Mercury Systems•Oxnard, CA

About The Position

Mercury Systems is seeking a highly skilled Manufacturing Test Engineer III to design and develop test procedures for execution by test technicians on the manufacturing floor. The role supports production through process improvements, debugging unhealthy Work-In-Progress (WIP), and leading Root Cause and Corrective Action (RCCA) initiatives. The engineer helps ensure the efficiency, quality, and reliability of advanced electronics and RF products used in national defense. The position develops test procedures for RF and electronic assemblies, supports production teams in improving processes and reducing cycle times, resolves WIP issues, and conducts RCCA investigations. It also contributes to automated testing solutions, maintains technical documentation, collaborates with cross-functional teams, and ensures compliance with applicable aerospace, defense, and high-reliability manufacturing standards. Mercury Systems describes its culture as casual and enjoyable, with opportunities to learn and grow, communication and transparency, and comprehensive skills training and tuition reimbursement. The company is an equal opportunity employer. This position requires the applicant to have or obtain a government security clearance, which may only be granted to U.S. citizens.

Requirements

Bachelor’s degree in electrical engineering, manufacturing engineering, or a related technical field, or equivalent years of hands-on experience in lieu of a degree.
Typically, at least 3 years of experience in manufacturing test engineering, RF module testing, or related roles in high-reliability, aerospace, or defense electronics manufacturing.
Proficiency in RF/microwave, analog, digital, and mixed-signal circuit testing at module and component level.
Experience with RF test equipment such as signal generators, network analyzers, and spectrum analyzers.
Demonstrated ability to design and implement test procedures for production environments.
Familiarity with process improvement methodologies and RCCA investigations, such as 5 Whys and 8D.
Experience with data analysis tools such as MATLAB and statistical process control (SPC).
Ability to obtain a DoD Secret Clearance; government security clearance eligibility is limited to U.S. citizens.

Nice To Haves

Master’s degree in Electrical Engineering or a related field.
Experience with automated test development and programming production processes, including ATP and ESS.
Familiarity with failure analysis methods such as X-ray, CSAM, SEM/EDS, and visual inspection.
Knowledge of high-reliability manufacturing standards, including MIL-PRF-38535, NASA workmanship standards, J-STD-001, IPC-A-610, or similar.
Proficiency in Product Lifecycle Management (PLM), Manufacturing Execution Systems (MES), and Quality Management Systems (QMS).

Responsibilities

Create and refine test procedures and methodologies for RF and electronic assemblies, aligned with production requirements and quality standards.
Collaborate with manufacturing teams to identify and implement process improvements, reduce cycle times, and enhance production efficiency.
Troubleshoot and resolve issues in unhealthy Work-In-Progress (WIP) to support on-time delivery and product quality.
Perform Root Cause and Corrective Action (RCCA) investigations to address manufacturing defects and improve processes.
Assist in developing and implementing automated product testing solutions with cross-functional teams.
Create and maintain detailed test documentation, including specifications, processes, and reports.
Work with engineering, operations, program management, and technical project teams to integrate test solutions into production workflows.
Ensure adherence to applicable aerospace, defense, and high-reliability manufacturing standards, including MIL-PRF-38534 and MIL-STD-883.