Validation Engineer

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

Job summary

OSI Engineering is seeking an OTA Validation Engineer to join its Wireless Systems team in Cupertino, CA. You will validate wireless performance across a broad product portfolio, working hands-on at OTA test stations and translating requirements into test cases.

You will execute validation plans, debug RF issues with engineering teams, and contribute to evolving wireless characterization methodologies as new cellular technologies emerge.

Qualifications

• BS degree in Electrical Engineering or related field.
• Hands-on RF testing experience and antenna work.
• Familiar with LTE and NR FR1.
• Experience with OTA validation and RF test equipment.

Responsibilities

• Drive wireless performance validation across carrier and industry certification test setups.
• Translate requirements into actionable test cases for certification and performance criteria.
• Define and execute validation plans for custom software features.
• Own and improve test setups and lab calibration for next-gen product testing.
• Contribute to evolving wireless characterization methodologies as new cellular technologies emerge.

Skills

Antenna design & testing

RF test equipment

CMX/UXM/MT8000A

LTE NR FR1 knowledge

PHY/MAC familiarity

Strong communication

Lab troubleshooting

Education

BS degree (Electrical Engineering)

Tools

Keysight

Rohde & Schwarz

Job description

A globally leading consumer device company is looking for OTA Validation Engineer to join their Wireless System Engineering team. You will be responsible for validating wireless performance across product portfolio. Working hands-on at OTA test stations, you will translate carrier and industry requirements into test cases, execute OTA validation plans and debug wireless performance issues alongside engineering teams — building deep expertise across wireless technologies and RF systems alongside some of the best engineers in the industry.

Responsibilities:

• Drive wireless performance validation across carrier and industry certification test setups, ensuring products meet the highest conformance standards.
• Translate carrier, regulatory, and industry requirements into actionable test cases, ensuring product validation covers all certification, performance, and compliance criteria.
• Define and execute validation plans for custom software features.
• Own and continuously improve test setups, ensuring lab environments are calibrated, reliable, and ready for next-generation product testing.
• Contribute to evolving wireless characterization methodologies as new cellular technologies emerge.

Minimum Qualifications:

• BS degree (prefer in Electrical Engineering)
• Hands-on working experience with antenna design and testing, RF test equipment, and Radio Communication tester (CMX/UXM/MT8000A).
• Solid understanding of RF component characteristics and behavior.
• Solid understanding of LTE, NR FR1.

Preferred Qualifications:

• Understanding of PHY Layer and MAC/application layer protocols.
• Hands-on working experience related to Over-the-Air performance validation such as TRP/TIS on handheld or tablet devices with different wireless communication systems such as LTE, NR FR1.
• Hands-on experience with RF test equipment from industry-leading vendors (e.g., Keysight, Rohde & Schwarz).
• Familiarity with OTA test standards and methodologies (e.g., CTIA, 3GPP).
• Exposure to AI tools and workflows (e.g., LLMs, AI coding assistants, automation platforms) to boost productivity and engineering efficiency.
• Strong communication and organizational skills with the ability to multitask across various disciplines.
• Analytical curiosity and a structured approach to diagnosing complex RF and wireless performance issues.
• Excellent communication skills required, both written and verbal.