System Validation Engineer, Wireless Connectivity

System Validation Engineer, Wireless Connectivity

Join to apply for the System Validation Engineer, Wireless Connectivity role at Quest Global

Quest Global delivers world‑class end‑to‑end engineering solutions by leveraging deep industry knowledge and digital expertise. By uniting technologies and industries and the contributions of diverse individuals, we solve the most critical and large‑scale challenges across aerospace & defense, automotive, energy, hi‑tech, healthcare, medical devices, rail and semiconductor industries.

Join the Wireless Connectivity System Validation team supporting AR and wearable products. You’ll validate RF design and product certification across Cellular, Wi‑Fi, Bluetooth, GPS, and NFC, and drive automation, data analysis, and reporting.

• Develop and execute test plans for RF validation (Cellular, Wi‑Fi, Bluetooth, GPS, NFC) and regulatory standards (FCC, IC, CE, JP, KR).
• Operate and maintain advanced RF test stations and lab equipment.
• Build Python scripts for test automation, data analysis, and reporting.
• Generate clear, actionable validation reports for internal and external stakeholders.
• Communicate clearly and proactively with cross‑functional partners, including RF architects, systems engineers, electrical design engineers, and factory test teams.
• Present findings and updates in meetings and written reports; document lessons learned and best practices.
• Effectively manage multiple stakeholder DRIs, drive alignment, resolve conflicts, and ensure timely delivery.
• Prioritize tasks, escalates blockers, and deliver results in a fast‑paced environment.
• Mentor and coach team members, contributing to team growth and knowledge sharing.
• Demonstrate organizational efficiency by simplifying work, streamlining operations, and maintaining high standards of quality and inclusivity.

• Bachelor or Master of Science in Electrical Engineering or Computer Science or equivalent work experience.
• 3‑5 years of relevant professional experience in cellular connectivity and GPS navigation systems for the consumer electronics industry.
• Deep understanding of cellular technologies: GSM, UMTS, LTE, 5G  (including SA/NSA modes).
• Hands‑on experience with carrier aggregation, VoLTE, Vo Wi Fi , and eSIM testing.
• Familiarity with SIM card profiles, APN configuration, and network registration procedures.
• Knowledge of RF performance metrics: RSSI, RSRP, RSRQ, SINR, throughput, handover, and call setup.
• Experience with field testing, drive testing, and lab‑based cellular network emulators (e.g., Anritsu, Rohde & Schwarz, Keysight).
• Strong knowledge of GNSS systems: GPS, GLONASS, Galileo, Bei Dou.
• Experience with GPS receiver validation, including TTFF (Time To First Fix), accuracy, sensitivity, and multipath mitigation.
• Familiarity with GPS simulation tools and signal generators (e.g., Spirent, Rohde & Schwarz).

• Experience with device certification for major carriers (AT&T, Verizon, T‑Mobile, international operators).
• Familiarity with 3
  
  GPP test cases and conformance testing.
• Understanding of SAR, OTA, and regulatory requirements for cellular devices.
• Experience with troubleshooting network interoperability issues in multi‑vendor environments.

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