Wireless Systems & Coexistence Engineer

OSI Engineering, Inc.; Cupertino (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Cupertino-based, globally leading consumer device company seeks a Wireless Systems and Compliance Engineer to advance CoEx performance testing and qualification.

You will run NPI tests, triage issues, and collaborate with 3rd‑party labs while managing RF test setups, scripts and equipment. Domestic travel up to 10% is required.

The role requires a BS in Electrical Engineering with 5+ years in multi-radio coexistence, RF test instrumentation, and RF test automation.

Qualifications

• Bachelor’s degree in electrical engineering with 5+ years relevant work experience.
• Experience with testing system performance of multi-radio coexistence for various wireless technologies (e.g., Cellular, Wi-Fi, BT, GNSS) in throughput, MOS, glitches, carrier-noise.
• Foundational knowledge of artificial intelligence with hands-on experience.
• Hands-on knowledge of RF lab equipment including spectrum analyzer, network analyzer, signal generator and sniper.
• Programming experience of RF test automation
• Knowledge of wireless architectures including front-end, antenna sharing, link budget.
• Ability to travel domestically up to 10%.

Responsibilities

• Execute NPI WiFi/BT CoEx performance testing for NPI devices based on defined coverage. Maintain test stations on calibration, scripts, config files and equipment.
• Perform first-level issue triage for conducted and radiated performance testing using sni?er, validate CoEx policies, identify internal OS regressions.
• Post-process RF CoEx performance data and generate quality reports on throughput, MOS, and GPM e.g., audio test for Glitch Per Minute (GPM) detection, Adobe Audition/POLQA for MOS scores.
• Execute competitor study first-level issue trouble-shooting with 3rd-party labs to ensure data accuracy for WiFi/BT/Cell/GNSS CoExistence.
• Provide onsite technical support at 3rd-party labs to assist in new test bring-up, test setup maintenance to resolve execution issues.
• Track competitor study test progress across 3rd-party labs to ensure timely data delivery and on-demand test needs.
• Manage vendor logistics and PR/PO processes, including tracking vendor BPO balance, procuring competitor devices and RF equipment/accessories.

Skills

RF testing coexistence

Coexistence testing

RF test automation

Wireless architectures

Travel readiness

Foundational AI

Laboratory measurement

Education

Bachelor’s degree in Electrical Engineering

Tools

Spectrum analyzer

Vector network analyzer

Signal generator

Sniper RF tester

Job description

Cupertino-based, globally leading consumer device company seeks a Wireless Systems and Compliance Engineer to advance CoEx performance testing and qualification.

You will run NPI tests, triage issues, and collaborate with 3rd‑party labs while managing RF test setups, scripts and equipment. Domestic travel up to 10% is required.

The role requires a BS in Electrical Engineering with 5+ years in multi-radio coexistence, RF test instrumentation, and RF test automation.