paycor
Contractor – Sr. Electronics Test Engineer
Redwire Space Missions
Littleton, USA
Contract, Temporary
Senior Level
Onsite
USD 50-95 hourly
Discovered 1 weeks ago
Free
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- Perform board‑level bring‑up, functional and design verification testing on spacecraft power electronics boards.
- Methodically troubleshoot issues using schematics, layouts, component data, and design intent.
- Analyze anomalies and drive root‑cause identification (component failures, layout concerns, firmware interface issues, power sequencing errors, etc.).
- Use bench instrumentation to validate power rails, heater drivers, analog front ends, digital interfaces, and protection circuits.
- Execute tests in situations where procedures are evolving; develop and refine test steps as required.
- Document findings clearly and provide actionable feedback to design engineering teams.
- Support failure analysis, corrective actions, and re-testing as needed.
- Collaborate with software, systems, manufacturing, and other functional teams to ensure design maturity and production readiness.
- BS Degree in Electrical Engineering.
- Minimum 8+ years of hands-on experience testing and troubleshooting complex electronic PCBs.
- Proven ability to isolate and diagnose hardware issues down to component-level root cause.
- Direct experience testing power electronics (e.g., DC/DC converters, power sequencing, protection circuits).
- Strong familiarity with standard bench instrumentation (oscilloscopes, SMUs, electronic loads, DMMs, power analyzers).
- Comfortable working onsite in a lab environment with flight hardware.
- Experience working with SMPS, Load Switches, Op-Amps and Comparators.
- Experience with FPGA, microcontroller, or microprocessor-based control and telemetry interfaces.
- Ability to travel as needed, up to 10% on average.
- Master’s degree in Electrical Engineering.
- Strong proficiency interpreting and working directly from schematics and board layouts.
- Ability to work with incomplete test documentation and adapt procedures during bring‑up.
- Experience testing or bringing up spacecraft power modules (PCU, PDU, BMS/BCPM, heater drivers) or similar flight‑class power systems.
- Demonstrated expertise troubleshooting high‑reliability power electronics, including nuanced failure modes (e.g., control‑loop instability, sequencing transients, marginal component derating).
- Experience diagnosing complex mixed-signal interactions, such as analog front-end drift, ADC sampling artifacts, logic‑level timing collisions, or firmware handshake issues.
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