Reliability Test Engineer

X4 Engineering; Union City (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

X4 Engineering in Union City, CA, is seeking a Senior Reliability Engineer to lead environmental testing programs for climatic, mechanical, and corrosion tests. You will troubleshoot equipment, drive RCAs, and ensure test systems meet regulatory standards.

The role requires a Bachelor's in engineering, 10+ years in environmental/testing roles, and hands-on experience with data analysis tools such as LabVIEW, MATLAB, Minitab, and Python.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Materials Science, or a related field.
• 10+ years of experience in environmental testing, sustaining engineering, or reliability engineering.
• Hands-on experience with climatic, mechanical, and corrosion test equipment.
• Knowledge of data acquisition, test automation, and analysis tools (e.g., LabVIEW, MATLAB, Minitab, Python).
• Familiarity with failure analysis, predictive maintenance, and statistical process control (SPC).
• Strong analytical, problem-solving, and communication skills.
• Ability to follow mechanical and electrical setup diagrams/instructions
• Basic understanding of physics, electricity, and electronics
• Experience with Microsoft Office (Word, Excel, and Outlook)
• Authorization to work in the United States indefinitely without restriction or sponsorship
• Ability to work in a fast-paced, customer-focused testing environment.

Responsibilities

• Support and maintain environmental testing equipment including climatic chambers and vibration systems.
• Troubleshoot and resolve equipment failures, calibration issues, and test anomalies to minimize downtime.
• Ensure compliance with ISO 17025, ASTM, MIL-STD-810, IEC 60068, ISTA and other standards.
• Assist in root cause analysis and corrective actions (RCCA, FMEA, FTA, Six Sigma).
• Collaborate with test engineers to optimize testing procedures and improve efficiency.
• Develop and update SOPs for equipment maintenance and test execution.
• Support regulatory audits and accreditation by ensuring test systems meet requirements.
• Lead continuous improvement in reliability testing and lab efficiency.
• Train lab personnel on test setup, operation, and troubleshooting techniques.
• Collaborate with customers to address inquiries and review test plans.

Skills

LabVIEW

MATLAB

Minitab

Python

Statistical analysis

Root cause analysis

Communication

Education

Bachelor’s degree in Mechanical, Electrical, or Materials Engineering

Tools

LabVIEW

MATLAB

Minitab

Job description

• Support and maintain environmental testing equipment, including thermal chambers, vibration tables, shock testers, and humidity control systems.
• Troubleshoot and resolve equipment failures, calibration issues, and test anomalies to minimize downtime.
• Ensure compliance with ISO 17025, ASTM, MIL-STD-810, IEC 60068, ISTA, and other regulatory standards.
• Assist in root cause analysis and corrective actions (RCCA, FMEA, FTA, Six Sigma techniques) for test failures.
• Work with test engineers and technicians to optimize testing procedures and improve operational efficiency.
• Develop and update standard operating procedures (SOPs) for equipment maintenance and test execution.
• Support regulatory audits and accreditation processes by ensuring all test systems meet certification requirements.
• Implement continuous improvement initiatives in reliability testing, lab efficiency, and process automation.
• Train lab personnel on proper test setup, equipment operation, and troubleshooting techniques.
• Collaborate with customers to address technical inquiries, review test plans, and recommend solutions for environmental testing challenges.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Materials Science, or a related field.
• 10+ years of experience in environmental testing, sustaining engineering, or reliability engineering.
• Hands-on experience with climatic, mechanical, and corrosion test equipment.
• Knowledge of data acquisition, test automation, and analysis tools (e.g., LabVIEW, MATLAB, Minitab, Python).
• Familiarity with failure analysis, predictive maintenance, and statistical process control (SPC).
• Strong analytical, problem-solving, and communication skills.
• Ability to follow mechanical and electrical setup diagrams/instructions
• Basic understanding of physics, electricity, and electronics
• Experience with Microsoft Office (Word, Excel, and Outlook)
• Authorization to work in the United States indefinitely without restriction or sponsorship
• Ability to work in a fast-paced, customer-focused testing environment.

Preferred Skills

• Experience working in an ISO 17025-accredited laboratory.
• Certification in Certified Reliability Engineer (CRE), Six Sigma, or ASQ Quality Engineering.
• Background in product validation, shock, and climate testing for aerospace, automotive, medical devices, or consumer electronics.
• Familiarity with battery testing, HALT/HASS, or accelerated life testing methodologies.
• Automotive standard (LV124, VW80000, ISO 16750)
• The right candidate could receive a senior title for this position.