Avionics Reliability Engineer - HALT/HASS & Testing

Castelion; Torrance (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Castelion is seeking an Avionics Reliability Engineer to own environmental qualification and reliability validation across our avionics hardware. This role focuses on developing reliability test strategies, including HALT/HASS campaigns, and driving improvements through failure analysis.

You will work hands-on with avionics design and manufacturing teams to mature flight hardware, specify test equipment, and document results and ECOs to ensure long-term performance and compliance.

Qualifications

• Bachelors degree in electrical, mechanical engineering or related field.
• Hands-on experience with environmental or reliability testing of electronic hardware.
• Experience troubleshooting complex hardware systems in a lab environment.

Responsibilities

• Develop reliability validation strategies for avionics hardware, including environmental and stress testing methodologies.
• Design and execute HALT/HASS campaigns to identify failure modes and accelerate hardware maturation.
• Specify, procure, and commission environmental test equipment and chambers.
• Oversee and conduct environmental testing, including vibration, thermal cycling, and stress screening.
• Perform live troubleshooting and root-cause analysis on hardware under test.
• Translate test findings into actionable design improvements and engineering change orders (ECOs).
• Partner with avionics design engineers to improve robustness and manufacturability.
• Support manufacturing by developing and implementing screening procedures, authoring and verifying acceptance test procedures, and establishing reliability best practices to ensure product compliance and long-term performance.
• Create and maintain clear documentation of test procedures, results, and reliability metrics.
• Drive continuous improvement of reliability processes and test infrastructure.

Skills

Environmental testing

Reliability testing

Root-cause analysis

Lab instrumentation

Cross-functional collaboration

Python scripting

Hardware troubleshooting

Education

Bachelor's degree in electrical or mechanical engineering

Tools

Oscilloscope

Data acquisition systems

Environmental chambers

Job description

Castelion is seeking an Avionics Reliability Engineer to own environmental qualification and reliability validation across our avionics hardware. This role focuses on developing reliability test strategies, including HALT/HASS campaigns, and driving improvements through failure analysis.

You will work hands-on with avionics design and manufacturing teams to mature flight hardware, specify test equipment, and document results and ECOs to ensure long-term performance and compliance.