Karl's Résumé
(Click to download PDF version of résumé)
Work Experience
[Current] Apple Inc. (Cupertino, CA)
[2021] Mac Hardware - Senior Hardware Design Engineer
* I am a member of the team responsible for taking the Mac mini from proof of concept to mass production.
* I am directly for responsible circuit design, component selection, schematic creation, PCB layout quality,
circuit characterization and failure analysis of numerous subsystems.
* I collaborate daily with cross-functional teams (architecture, product design, thermal and performance,
software, project management) in order to ensure the project is a success and delights Apple's customers.
* Interfaces that I routinely interact with:
PCIe, USB, Thunderbolt, Display Port, USB-C PD, Ethernet, I2C, SPI, SPMI
[2021] Apple Inc. (Cupertino, CA)
[2018] SEG PMU SiVal - Hardware Engineering Manager
* I managed a multidisciplinary team of Electrical, Mechanical, FPGA, Firmware and Software Engineers.
* Produced millions of dollars worth of custom PCBs annually in order to support SEG PMU validation activities.
* Oversaw all internal design reviews: Schematic, PCB Layout, Mechanical Design and SW/FW.
* Established PCB layout, schematic, test plan and measurement methodologies for the PMU SiVal Org.
* Trained European based team members on the process and best practices of hardware creation at Apple.
[2018] Apple Inc. (Cupertino, CA)
[2016] SEG PMU SiVal - Electrical Engineer
* Second employee of newly created SEG PMU SiVal team.
* Responsible for the architecture, schematic design and manufacturing of custom PMU Silicon Validation platforms.
Platforms consisted of multiple interconnected, analog, digital, and mixed signal 12 to 24 Layer HDI PCBs.
Platforms utilized micro-controllers, FPGAs, CPLDs, custom analog circuits, and PXI test measurement devices.
* Responsible for the mechanical components of the PMU Silicon Validation Platforms.
Included the creation of custom sockets, mechanical frames, cable assemblies, thermal control systems.
[2016] Apple Inc. (Cupertino, CA)
[2013] HWTE - Electrical Engineer
* Designed custom diagnostic test devices used to validate Apple's products in factory
* Responsible for providing complete deliverables: schematic capture, PCB layout, firmware,
mechanical enclosure, manufacturing documents, factory deployment and on-site support.
* Early implementer of USB Type-C based test solutions.
This include creating the world's first widely deployed USB-C Source Measurement Unit.
[2013] CSX (Philadelphia, PA)
[2012] Communication Maintainer
* Oversaw large capitol expenditure projects to modernize CSX Railroad communication capabilities.
* Installed and maintained enterprise level networking equipment and telephone PBX systems.
* Configured Digi Cellular, and Comsat Satellite failsafe communication equipment.
* Upgraded Multi-State, high power, 161MHz RF Base stations.
[2013] BotsNBytes LLC (Wilmington, DE)
[2012] Owner, Electrical Engineer
* Designed open-source, hobby-level test equipment.
* Provided engineering consulting services to Aretech, LLC and University of Delaware ECE Dept.
[2012] Aretech, LLC (Ashburn, VA)
[2011] Electrical Engineer
* Designed, manufactured, and implemented an advanced Data Acquisition System for medical robotics.
* Redesigned a previously parallel operation into a high-speed serial solution.
* Created and implemented company wide ISO13485 Quality Management System.
* Headed up the ISO14971 Risk Management Process.
[2011] University of Delaware Department of Electrical and Computer Engineering (Newark, DE)
[2009] Applied Electromagnetics Research Assistant
* Used advanced electrical wave modeling software to analyze structurally modified composites.
* Created custom Labview instrument panels to interface motor controllers.
* Utilized Photolithography to create multiple arrays of micro-lenses and frequency selective retroreflectors.Education
[2011] University of Delaware (Newark, DE)
Bachelor of Electrical Engineering
[2008] Delaware Technical and Community College (Stanton, DE)
Associate of Science in Electrical Engineering
[2002] Universal Technical Institute (Phoenix, AZ)
Ford Accelerated Credential Training Program
Associate of Occupational Studies in Automotive Technology
Associate of Occupational Studies in Diesel/Industrial TechnologyAwards, Organizations and Certifications
[University of Delaware:] Member of Eta Kappa Nu Electrical and Computer Engineering Honor Society
Officer of the Linux User Group of Delaware
Class 5 and Class 6 Clean Room Certified
[Delaware Tech:] Received the Excellence in Leadership Award
President of the Electronics, Process Instrumentation, Computer Engineering Technology Club
[FCC:] General Radio Operator's License (GROL)Technical Skills
Software Languages Used: C, Python, Unix Shell Scripts, C++, Matlab, LabView, LaTeX
Software Packages Used: Cadence (Allegro, DEHDL, SystemCapture), KiCad, LT Spice, Siemens NX, Fusion 360
Operating Systems Used: macOS, Windows, Linux(Ubuntu, Arch, Gentoo, CentOS/REL), BSD
Communication Protocol Proficiency: I2C, SMBus/PMBus, SPI, SPMI, CANBUS, RS485/RS422, TTL UART, USB-C PDInterests and Activities
Classic automobile electronics, hobby robotics, CNC mills/routers, hiking, backpacking, marathon running, weightlifting