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Sanmina-SCI

# Senior RF Systems/Test Engineer (N)

Tlajomulco de Zuniga, Jalisco, Mexico Senior individual contributor Operations 

Last seen on Sanmina-SCI’s official careers site on July 12, 2026; it may have closed since.
[Apply on Sanmina-SCI’s careers site →](https://careers.sanmina.com/job/717/senior_rf_systemstest_engineer_n)

[OpenNash Jobs](https://jobs.opennash.com/) / [Sanmina-SCI](https://jobs.opennash.com/companies/sanmina-sci/) / Senior RF Systems/Test Engineer (N)

## Job description

### Test Engineer 4 Role Objective

Provide expert technical support for the manufacture and test of high-volume ngFWA remote node products in the 4Ghz-6Ghz spectrum. The successful candidate will be responsible for resolving production product failures as they relate to test equipment, software, product defects, or design issues.

### Key Responsibilities
- Provide expert technical/engineering support to resolve product failures in the manufacturing test environment.
- Debug and resolve failures stemming from test equipment, software, product defects, or design issues.
- Analyze test data and metrics to identify root causes of issues.
- Develop clear test plans and procedures.
- Automate test procedures using scripting languages.
- Configure and maintain network devices (routers, switches, access points) and servers (Exchange Server).
- Use network tools (ping, tracert, netstat) to diagnose and resolve connectivity issues.

### Degree
- Bachelor's in Electrical Engineering, Electronics, Computer Engineering, Physics, or a related STEM field. Master's degree is a strong plus.

### Experience
- 4+ years hands-on experience with RF design and testing.

### RF Fundamentals
- Deep understanding of RF principles, signal propagation, antenna theory, modulation, bandwidth, and EVM.

### Test Equipment Proficiency
- Hands-on experience with spectrum analyzers, network analyzers (VNAs), signal generators, power meters, battery emulators, SDRs and GNSS

### Networking
- Fundamental knowledge of IP addressing, subnetting, TCP/IP, routers, switches, and wireless (WLAN/WiFi).

### Programming
- Proficiency in coding skills (Python, C++, MATLAB, LabVIEW) for scripting, automation, and data analysis.

### Standards
- Knowledge of wireless standards (LTE, 5G, Wi-Fi) and regulatory requirements.

### Hardware/Modules
- Experience with RF Chamber, RF Probe selection, DAQ & PLC Modules, Electrical sensors & actuators, and Electrical Safety Products.

### Protocols
- Basic communication Protocols such as RS232, I2C, and MODBUS.

### Assembly
- Basic knowledge of Soldering & Crimping techniques.

### Key Competencies
- Excellent debugging and problem-solving skills for complex RF issues.
- Strong data analysis capabilities.
- High proficiency in test automation and scripting.
- Excellent documentation skills.
- Strong communication and teamwork skills.
- Robotics and production line automation experience is a plus.
- Ability to effectively interface with customer technical personnel.

## At a glance
- Posted by the employer: Feb 16, 2026
- First seen by OpenNash: Jul 12, 2026
- Last checked: Jul 12, 2026
- Listed for: 146 days
- Location: Tlajomulco de Zuniga, Jalisco, Mexico[Apply on Sanmina-SCI’s careers site →](https://careers.sanmina.com/job/717/senior_rf_systemstest_engineer_n)

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