Koch

Engineer, Signal Integrity

Koch  •  Shanghai, CN (Onsite)  •  5 days ago
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Job Description


Location(s)

Pudong, Shanghai, Shanghai

Company

Molex

Career Field

Engineering

Job Number

183937
What You Will Do
  • You will design, simulate, optimize, measure, and correlate high‑speed connectors (board‑to‑board, wire‑to‑board, cable, and FPC connectors). This role combines strong EM fundamentals, 3D EM HFSS simulations, and lab validation to independently complete the full development loop:  model → simulate → measure → correlate → recommend
  • You will prepare clear technical reports/presentations for both technical and non‑technical audiences.
  • You will attend customer technical meetings in China to explain SI risks/trade-offs and propose practical solutions; travel is expected (mostly within China, occasional global).

Who You Are (Basic Qualifications)
  • Native-level Chinese (Mandarin) and business-level English (spoken/written) for global technical collaboration and customer engagement.
  • Strong, practical knowledge of electromagnetics, microwave theory, and transmission line fundamentals, especially for passive structures.
  • Deep understanding of SI issues in both time and frequency domains (reflections, resonance, coupling, loss mechanisms).
  • Advanced proficiency in ANSYS HFSS, including model setup, simplification, ports, meshing strategy, boundary conditions, convergence, and results interpretation.
  • Ability to create accurate models of real hardware and clearly justify modeling assumptions (accuracy vs. complexity vs. runtime).
  • Extensive hands‑on experience with VNA, TDR, and high‑speed oscilloscopes.
  • Strong ability to correlate simulations to measurements and troubleshoot discrepancies (fixtures, launches, calibration/de‑embedding).
  • Comfortable operating in a fast‑paced, multi‑project global environment and eager to learn new tools and concepts.
  • Ability to communicate complex results clearly to both expert and non‑expert audiences.
  • Demonstrated experience in RF/microwave or signal integrity engineering for passive device design.
  • Background in electrical engineering, electronics, or a related field, or equivalent practical experience.

What Will Put You Ahead
  • Experience with board‑to‑board, wire‑to‑board, and FPC connectors.
  • Awareness of mechanical feasibility, tolerances, constraints, manufacturing trade‑offs, and geometry exchange/cleanup.
  • Experience with SI + mechanical and/or thermal co‑simulation for holistic connector design.
  • Knowledge of PCIe, Ethernet, USB, and SerDes/channel margin (eye/BER) concepts.
  • Use of AI tools to streamline engineering and reporting workflows (e.g., report automation, modeling templates, presentation generation).
  • Python scripting for simulation or measurement automation.
  • Understanding of PI fundamentals (PDN impedance, return paths, decap strategy) and exposure to PI tools.
  • 10+ years of experience in RF/microwave or SI engineering for passive devices.
  • Master’s or PhD focused on electromagnetics or microwave theory, with research emphasis in those areas.
Koch

About Koch

Based in Wichita, Kansas, Koch is one of the largest private companies in America. A diverse set of businesses and industries across the world, we work together to keep improving and exploring new ways to make life even better.

With a presence in more than 50 countries, Koch companies employ about 120,000 people worldwide, with nearly half of those in the United States. Koch offers abundant opportunities to improve life’s most necessary things – like food, clothing, water, transportation and technology.

Industry
Holding Companies
Company Size
5,001-10,000 employees
Headquarters
Wichita, Kansas
Year Founded
Unknown
Website
kochinc.com
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