Firmware Verification / Test Engineer Resume

SUMMARY:

Embedded Software Engineer: architects, programs, tests and optimizes real - time, event-driven embedded firmware for microprocessor-controlled devices.

KEY SKILLS:

System-On-Chip (SOC) microcontroller

Embedded Device Firmware

Results-oriented

C / C++ & Assembly

PCIe, SAS and SATA

Problem solver

JTAG debugging

Agile development

I2C, SPI, UART

Hard real-time

ARM Cortex, MIPS

Dependability

PROFESSIONAL EXPERIENCE:

Firmware Verification / Test Engineer

Confidential

Responsibilities:

Used static analysis tools on avionics firmware to enhance quality by conforming to MISRA - C and AUTOSAR-C++ standards
Increased automated unit test coverage from 49% to 91% in telemetry software written in modern C++.

Principal Firmware Engineer

Confidential, Colorado Springs, Colorado

Responsibilities:

Implemented key mask-ROM programmed C-language embedded firmware on ARM A15 core for a PCIe-4 / SAS-4 / NVME storage controller under development: including secure boot, host-controlled boot, and firmware attestation.

Senior Firmware Engineer

Confidential, Colorado Springs, Colorado

Responsibilities:

Refactored a key C-language firmware component of the SFA embedded Linux application to remove obsolete firmware for a new product release.
Analyzed defects for root-cause, designed implemented and unit-tested fixes.

Embedded Software Developer & Integrated Circuit Engineer

Confidential, Rochester, Minnesota & Colorado Springs, Colorado

Responsibilities:

Analyzed controller logs and implemented robust enhancements in C-language to support multi-expander and dual-path enclosures which were previously incompatible with Confidential products.
Supervised and mentored a graduate engineer in adding enhanced event-logging capability.
Added 12Gb/s feature support, and device write cache management to Confidential Series-8 PCIe-Gen3 SAS/SATA host adapter firmware.
Added Advanced Power Management (APM) support for SAS devices, and Enhanced Power Condition (EPC) support for SATA devices to Confidential Series-7 SAS/SATA RAID host adapter firmware.
Found and fixed the root cause of a fatal exception to a defective inline C++ template class method, after only a few weeks experience with a large and unfamiliar set of firmware running on a multi-core MIPS processor running ThreadX-OS.

Integrated Circuit Engineer & Systems Programmer

Confidential, Longmont, Colorado

Responsibilities:

Individually modified customer’s working C-code so the infrastructure successfully ran on our ARM Cortex-R4 based chip rather than that of our competitors’.
This process included redefining memory usage and reconfiguring interrupt, timer and UART hardware blocks so the operating system would run.
Developed verification and validation software to test the embedded controller chips of optical Blu-Ray DVD recorders and magnetic hard disc drives (HDDs).
Customers included Western Digital, Philips Lite-on, etc.
Programmed firmware so as to meet the systems’ real-time performance deadlines. Specifically, optimized pre-existing interrupt code by cutting run time in half (from 30 to microseconds to 15 microseconds).
Reworked the circuit board to allow the simultaneous use of three different debug interfaces, depending on the hardware designers’ preference.

Embedded Software Engineer & Systems Programmer

Confidential, Longmont, Colorado

Responsibilities:

Designed functional C and Assembly-language firmware for magnetic hard disc drives (HDDs). Products designed into Tom Tom GPS units, Philips MP3 players, and Best Buy’s portable USB hard drives.
With the system’s firmware crashing 30% of the time, discovered the problem’s root cause and implemented a solution that not only resolved the problem, but also decreased run time and memory usage significantly.
Authored mask-programmed ROM code for thirteen generations of embedded controller chips with no mission-critical errors, saving millions of dollars in avoided non-recurring engineering (NRE) costs.
Customized our spindle- and actuator-servo firmware so our embedded controller chip would run the customers’ head disc assemblies (HDAs).
Trained customers in the development and debugging of Digital Signal Processor (DSP) assembly-language software.
Prior to the existence of industry debugging hardware, wrote disassembly software for a logic analyzer in order to trace the code’s execution, allowing for the discovery and repair of defects. Also developed firmware that supported breakpoint and single-step features to examine the state of the system at any specific location of the code.

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