Cellular Connectivity Tester

OSI Engineering, Inc.; Cupertino (CA); On-site; USD 34,000 - 55,000; Full time

Job summary

OSI Engineering, Inc. is seeking a cellular test technician to support field testing for next-generation smartphones and devices. The role involves driving field tests, collecting data, and reporting findings to the team.

You will travel to local and nearby sites, analyze cellular logs, and adapt quickly to evolving test scenarios. A background of 1–5 years in cellular testing with LTE/5GNR knowledge and strong communication is required.

Qualifications

• 1-5 years of cellular testing experience (5G/LTE Stack).
• Knowledge in cellular domain wireless with basic to good understanding in 5GNR and LTE protocol stack.
• Experience troubleshooting common technical setup issues in the field.
• Cellular baseband Log analysis is required with limited to good hands-on experience.
• Good analytical skills and judgement while executing test campaigns.
• Ability to quickly adapt and learn.
• Excellent written and verbal communication skills.
• Must be detail oriented and focused on problem identification.

Responsibilities

• Drive field testing for cellular connectivity on next-gen smartphones and devices (4 days in the field, 1 day in the lab per work week).
• Travel to testing locations up to 1 hour away for full-day sessions, up to 4 days per week; transportation provided.
• Communicate technical issues clearly and judge testing data to determine next steps without external prompts.
• Report findings, describe problems, and adapt quickly to changing testing conditions.
• Mentor or train non-experts and learn rapidly as needed in wireless domains (LTE, 5GNR).

Skills

Cellular testing

5G/LTE knowledge

Field testing

Analytical skills

Communication skills

Tools

Baseband log analysis

Job description

• You will be driven to local and non-local in short notice to test Cellular connectivity of next-gen smartphones and devices (4 days in the field, 1 day in the lab per work week)
• You will travel to testing locations up to 1 hour away for the entire day, up to 4 days out of the week.Transportation/Driver will be provided.
• You will communicate if there is a technical issue and have strong fundamental skills and judgement skills
• You will judge the testing/data and should be able to move forward without asking for help and be able to adapt quickly
• Not necessarily looking for experts, but candidates with 1-5 years’ experience with developed fundamental skills
• Strong analytical skills/good at identifying problems (should be able to judge testing conditions/if testing is going well and how to move forward with the next step instead of constantly calling for help)
• Able to report back with data, describe technical problems and are easily adaptable
• If the candidate is not an expert, you will get trained as long as you have fundamental knowledge in wireless domains (LTE, 5GNR)

Requirements:

• 1-5 years of cellular testing experience (5G/LTE Stack)
• Knowledge in cellular domain wireless with basic to good understanding in 5GNR and LTE protocol stack
• Experience troubleshooting common technical setup issues in the field
• Cellular baseband Log analysis is required with limited to good hands‑on experience
• Good analytical skills and judgement while executing test campaigns
• Ability to quickly adapt and learn
• Excellent written and verbal communication skills
• Must be detail oriented and focused on problem identification
• Able to travel local and non-local in short notice
• Ability to look at cellular log for on-field debugging is highly desired
• Recent field‑testing experience highly preferred