mmWave HW Design Engineer

Seoul, Seoul-si, Korea (Republic of)


Role Number:200039012
Imagine what you could do here? At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. The people here at Apple don’t just create products - they create the kind of wonder that’s revolutionized entire industries! It’s the diversity of those people and their ideas that inspires the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts. As the mmWave HW DesignEngineer , you will work on-site at a vendor as our local technical expert and be responsible for guiding and training the vendor as well as technical R&D campaigns such as bring up, characterization, debugging and design improvements.

Key Qualifications

  • Fundamentals of digital communications, wireless protocols, transceiver design, semiconductor electronics, and applied electromagnetics
  • Probe station systems, custom probe card design, wafer-level and board-level measurements, and TRL, LRM, and SOLT calibration techniques, and advanced probe test fixtures
  • RF/mmW test equipment such as vector network analyzers, spectrum analyzers, signal generators, AWGs, load/source pull tuner systems, compact ranges, anechoic chambers, shield boxes, one box testers, and call boxes
  • RF performance criteria and concepts such as EIRP, G/T, TRP, TIS, noise figure, sensitivity/desense, phase noise, EVM, ACLR, spectral mask, spurious, harmonics, intermodulation, s-parameters, Smith charts, and tuning networks
  • Hardware bring-up, bench evaluation, and troubleshooting involving general lab equipment
  • Wideband characterization and modeling of dielectric material properties
  • Schematic, layout, and signal integrity design tool suites from Cadence
  • Linear cascade analysis tools such as ADS, MWO, or MATLAB
  • EM analysis tools such as HFSS, MWS, Sonnet, or Momentum
  • Programming and scripting languages such as C, Java, Python, MySQL, or MATLAB


- Collaborate closely with, train, guide and strengthen the technical capabilities of the local on-site vendor - Board design and optimization using EM simulation tools such as HFSS - RF bring up campaigns and subsequent RF debugging and design improvement - Design of de-embedding structures and companion test structures - Design, implement, correlate, maintain and further develop advanced test systems - Execute measurement campaigns, analyze, and report data - Support up to 15% travel to collaborate with international teams and support factory builds

Education & Experience

BS EE/Physics with 5 years of relevant work experience. MS EE is preferred.

Additional Requirements

  • - RF system design, requirements flow-down, link budget analysis, cascade analysis, and propagation modeling
  • - Front end architectures and component technologies employed for WiFi/BT and cellular systems, including emerging technologies using millimeter-wave spectrum
  • - Phased array system principles, beam forming, calibration, and array analysis/synthesis
  • - PCB substrate design, material sets and properties, and manufacturing processes
  • - Design, simulation, and validation of lumped and distributed passive networks, including transmission lines, transitions, couplers, splitters, resonators, baluns, and radiating elements
  • - Planar radiating element implementations, concept of operation, and test methods
  • - General EE fundamentals, embedded systems, microcontrollers, voltage regulation and conversion, oscillators, high speed communications (PCIe, DP, USB3, HSIC), low speed interfaces (I2C, SPI, UART, GPIB, SCPI, SPMI)
  • - Mechanical design and modeling tools such as Solidworks, NX, or SpaceClaim
  • - Statistical analysis of high volume production data
  • - Excellent verbal and written English communication, fluent in Korean
  • - Successful track record of delivering highly innovative communications products
  • - Organized, flexible, and efficient operation in a dynamic lab work environment