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Power Systems Engineer, High Voltage Modulators & Power Supplies

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Applying for Power Systems Engineer, High Voltage Modulators & Power Supplies. Fields marked with * are required.

Links (optional)

LinkedIn, GitHub, Portfolio — anything that helps us get to know your work.

Clearing questions

1. Are you a U.S. person under U.S. export control laws, meaning a U.S. citizen or national, lawful permanent resident, refugee, or asylee? *
2. Where are you located, or willing to be based for this on site role? *
3. Which best describes your background? *
4. Have you personally designed, built, commissioned, or tested high voltage power electronics or pulsed power hardware operating at approximately 10 kV or above? *
5. Have you personally owned the engineering of a high voltage power supply, pulse modulator, pulsed power system, or a major subsystem, from design into hardware test? *

Technical evidence

6. The highest power hardware you personally worked on *

Give maximum voltage, peak current, peak power, average power, pulse width and repetition rate if pulsed, and your personal contribution. Use actual numbers and units.

0/150 words
7. Which have you personally designed or materially developed? *

Select all that apply.

8. You need to drive a high power microwave tube with repeatable microsecond class high voltage pulses at hundreds of pulses per second. Describe the architecture you would consider first and the key tradeoffs you would evaluate before committing to a design. *
0/300 words
9. A vacuum RF device can occasionally arc. The stored energy in the power system is large enough to damage the device if protection is too slow. How would you architect protection, and verify that the fault energy delivered to the load remains below the allowed limit? *
0/250 words
10. How would you safely characterize the rise time, overshoot, droop, jitter, and current of a high voltage pulse without corrupting the measurement through grounding or probe artifacts? *
0/220 words
11. Describe the worst high voltage or pulsed power failure you personally debugged. What failed, what was the root cause, and what design change prevented recurrence? *
0/220 words
12. What is the most technically difficult power system you have personally made work? *
0/180 words
13. What specifically about Stellios and this role is interesting to you? *
0/80 words
14. When can you start, and what compensation range are you targeting? *