Associate Application Engineer - Tempe, AZ, United States

Originally posted 1 September 2026 by the employer.

Optimize performance of PLL devices for wireless and datacenter markets.

About the role

As an Applications Engineer, you will work directly with system architects, validation engineers, and others on the applications engineering team to configure SiTime’s timing devices focused on the wireless and datacenter markets. Your primary focus will be on performance optimization of PLL devices.

What you'll do

• Support customers with technical questions, schematic reviews, data capture, and debug.
• Support the development of collateral for New Product Introductions, including IBIS models, Evaluation board design/verification, and Application Notes.
• Automate lab routines with Python.

What you'll need

• BSE in Electrical Engineering (or similar).
• Good understanding of frequency domain signals analysis, including BODE plots, FFTs, and spectrum analysis.
• Experience using scripting languages (Python preferred).
• Experience using lab equipment such as oscilloscopes, spectrum analyzers, and function generators.
• Knowledge of PLL architecture as an example of a closed loop control system.
• Knowledge of transmission line effects and termination schemes (CMOS, LVPECL, LVDS, etc.).
• Solder and rework experience.

Nice to have

• Must be flexible and adaptable to changing priorities.
• Self-starter, not afraid to ask questions and seek guidance.
• Curious with a strong desire to grow.
• Good attention to detail.

Skills: Applications Engineer, PLL devices, timing devices, oscilloscopes, spectrum analyzers