Circuit Design Engineer

1 day ago

Bayan Lepas, Penang, Malaysia Aemulus Corporation Sdn Bhd Full time $60,000 - $120,000 per year

We are seeking a passionate
Circuit Design Engineer
to join our R&D team in developing load boards, probe cards, interface boards, socket boards, and other supporting electronics for semiconductor device testing. The role requires strong knowledge of high-speed digital, analog, mixed-signal, and power circuit design, with a focus on achieving robust signal integrity, manufacturability, and test performance.

Here's where you will come in:

Roles & Responsibilities

  • Design complex PCBs such as multi-site load boards, probe cards, DUT boards, adapter boards, and interface boards for characterization and production testing.
  • Develop schematics and ensure PCB layouts meeting electrical, mechanical, thermal, and manufacturing constraints.
  • Collaborate with outsourced PCB layout vendors to ensure compliance with design constraints and guidelines
  • Create layout design guidelines for internal and outsourced PCB layout engineers
  • Select appropriate components including drivers, power devices, relays, connectors, and high-speed signal components.
  • Familiar with stack-up design, controlled impedance routing, length matching, and high-speed layout as required.
  • Analyze high-speed digital, analog, and mixed-signal paths to ensure signal integrity.
  • Perform SI/PI simulation and analysis (e.g., crosstalk, EMI/EMC, noise sensitivity).
  • Optimize routings and grounding strategies to minimize distortion, improve return paths, and enhance board performance.
  • Work closely with Applications Engineers to ensure load boards meet all customer test coverage requirements on Aemulus ATE platforms.
  • Manage production documentation including:
  • Schematic BOMs
  • Functional test requirements
  • Document assembly instructions when deviations or board mismatches occur
  • Support root cause analysis for boards failures, performance issues, or bring-up challenges.

Requirements

  • Bachelor's degree or higher in Electrical Engineering, Electronics Engineering, or related field
  • Strong understanding of:
  • High-speed digital design
  • Analog and mixed-signal circuits
  • Power supply and distribution design
  • Proficiency with schematic and PCB design tools such as Mentor PADS, Altium, Cadence Allegro/OrCAD.
  • Familiarity with SI/PI analysis tools such as HyperLynx, ADS, LTSpice, etc.
  • Experience with semiconductor ATE platforms
  • Knowledge of high current test structures, Kelvin measurements, thermal management, and pogo/probe interfaces.
  • Experience in designing within mechanical limits of probe cards or load boards
  • Basic scripting experience (Python, C#, etc.) for automation and hardware characterization.
  • Strong attention to detail and commitment to design quality.
  • Effective communication and clear documentation practices.
  • Ability to manage multiple parallel design tasks under tight schedules.
  • Independent problem-solving mindset with hands-on debugging capability.
  • Fresh graduates with strong circuit design knowledge are encouraged to apply

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