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Technical interview question about System Reliability for Mid-Level Electronics Engineer

How do you ensure the reliability of electronic systems in harsh environments?

Electronics Engineer

Technical

Asked at

Lockheed Martin

Difficulty :

Medium

Explanation

This question evaluates your ability to design systems that can operate reliably in challenging conditions, such as extreme temperatures or high vibration. Recruiters want to see your understanding of environmental testing, material selection, and design considerations. A strong answer includes specific techniques, tools, and examples. Avoid vague responses or neglecting to mention validation processes.

Answer Example

I ensure reliability by selecting components rated for harsh conditions, using conformal coatings for protection, and conducting environmental testing like thermal cycling and vibration tests. For example, I designed a power module for aerospace applications and validated it through MIL-STD-810 testing, ensuring it operated flawlessly in -40°C to +85°C environments.

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