Quest Global · 2 weeks ago
System Validation Engineer, Wireless Connectivity
Sunnyvale, CA
Full-time
Onsite
Mid Level
3+ years expQuest Global delivers world-class end-to-end engineering solutions by leveraging deep industry knowledge and digital expertise. They are seeking a System Validation Engineer to join the Wireless Connectivity team, responsible for validating RF design and product certification across various wireless technologies and managing complex stakeholder relationships.
ConsultingInformation ServicesOutsourcingSoftware
Responsibilities
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, escalate 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
Qualification
Required
Bachelor or Master of Science degree in Electrical Engineering or Computer Science or equivalent work experience
3-5 years of relevant professional experience, specifically in the areas of cellular connectivity and GPS navigation systems in the consumer electronics industry
Deep understanding of cellular technologies: GSM, UMTS, LTE, 5G NR (including SA/NSA modes)
Hands-on experience with carrier aggregation, VoLTE, VoWiFi, 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, BeiDou
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)
Preferred
Experience with device certification for major carriers (AT&T, Verizon, T-Mobile, international operators)
Familiarity with 3GPP 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
Company
Quest Global
Quest Global is an engineering solutions company that offers a range of services in the engineering and technology domains.
10001+ employees
H1B Sponsorship
Quest Global has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (114)
2024 (93)
2023 (120)
2022 (94)
2021 (138)
2020 (607)
Funding
Current Stage
Late StageTotal Funding
$1.08BKey Investors
The Carlyle GroupChrysCapitalWarburg Pincus
2023-08-08Private Equity· $500M
2021-08-23Private Equity· $150M
2016-02-19Secondary Market· $350M
Leadership Team
Ajit Prabhu
Chairman & CEO
Rajendra Kumar Shreemal
Chief Financial Officer
Recent News
2025-12-25
Company data provided by crunchbase