Network Tester

Location: Berkeley Heights, NJ
Salary: $32.00 USD Hourly - $35.00 USD Hourly
Description:
Job Title: Network Tester

Location: Berkeley Heights, NJ 07922
Duration: 6+ Months Contract (Extension possible based on performance)
Schedule: Normal Business Hours - Onsite Monday-Thursday, Remote Friday
About the Role

We are looking for a highly motivated Network Tester to join our field engineering and wireless network validation team. In this role, you will test mobile devices and network features across live 4G/5G environments, execute drive tests, analyze network logs, and ensure high-quality device performance and user experience.
You will collaborate closely with cross-functional teams to troubleshoot issues, validate features, and provide insights for network optimization.

This is an excellent opportunity for early-career professionals interested in telecom, mobile networks, and field testing.
Minimum Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
• 0-2 years of experience in:
  • Field network testing
  • Mobile QA
  • Telecom engineering
• Familiarity with 4G/5G fundamentals.
• Strong communication and analytical skills.

Preferred Qualifications

• Hands-on experience with testing tools such as QXDM, QCAT, TEMS, Nemo, or similar.
• Basic understanding of LTE/NR architecture (RAN, Core, IMS).
• Ability to analyze KPIs such as RSRP, SINR, CQI, throughput, and call processing logs.
• Coding experience in Python or SQL.
• Ability to communicate in Korean (not required, but a plus).
• Experience conducting drive tests and working in live network environments.

Responsibilities
Field & Lab Testing

• Execute field and mobility test cases for development, maintenance releases (MR), and new feature validation.
• Conduct field and lab testing for devices and network features across 4G, 5G NR, VoLTE, and mobility scenarios.
• Prepare devices for testing, including software setup and tool configuration.

Network & Performance Analysis

• Capture, analyze, and troubleshoot issues observed in field sites, customer labs, and live networks.
• Perform drive tests to measure coverage, throughput, latency, call stability, and mobility KPIs.
• Review and recommend improvements to RAN performance based on trend analysis.

Documentation & Reporting

• Document test results and prepare clear, standardized reports.
• Log defects in tracking systems (e.g., PLM) and follow through on resolution.
• Provide daily summaries of field test progress and findings.

Cross-Functional Collaboration

• Work closely with development, QA, operators/carrier partners, and field engineers to resolve issues.
• Support pre-sales or technical evaluations with insights from field performance.
• Create and refine test cases, processes, and documentation.

Safety & Compliance

• Follow all safety procedures while operating vehicles and test equipment.
• Ensure compliance with corporate and local field operation guidelines.

Skills & Competencies

• Strong problem-solving and analytical thinking.
• Excellent communication and teamwork abilities.
• Ability to work independently, prioritize tasks, and adapt to fast-paced environments.
• Attention to detail with a commitment to high-quality work.
• Strong focus on safety and responsible equipment handling during field operations.

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Contact:

This job and many more are available through The Judge Group. Please apply with us today!