Colin Holzman

Warren MI
resume@sl.holzman.ch
(248) 635-4943

Experience

Relativity Space
August 2023 to Present

Responsible engineer for Terran R avionics bootloader, firmware update, and firmware configuration systems.
Responsible engineer for Terran R automated flight safety system software.

Relativity Space
October 2021 to August 2023

Responsible engineer for Terran 1 thrust vector controller (TVC) firmware.
Moved TVC firmware from buggy prototype to launch ready initial release.
Implemented PID controllers, digital filters, and vector motor control firmware.
Regularly worked with hardware engineers using DMMs, scopes, CAN monitors, and other tools to debug firmware/hardware issues.
Contributed to in house developed scripting language, Novascript, including adding support for generic functions.
Lead TVC inertial test platform operations and developed data collection, synchronization, and visualization software.
Regularly supported integration and test operations through on-call rotation.

Hot Melt Technologies
August 2013 to May 2018

Responsible for all electronic components at Hot Melt Technologies.
Led ETL safety certification project for the majority of HMT's product line.
Wrote low level C and C++ programs for 8 and 32 bit AVR, ARM, and PIC microcontrollers.
Supervised and mentored a junior embedded systems engineer and an engineering technician.
Managed production of wide array of industrial control electronic assemblies including in house and contract assembly.
Designed new electronic products from the ground up involving PCB design/prototyping, firmware, and mechanicals.
Built automated test fixtures for PCB assemblies.
Used SPI, I2C, Ethernet, and USB protocols for product development.
Developed firmware and corresponding Android and iOS apps for prototype WiFi connected hot melt equipment.
Reverse engineered 20+ PCB designs including firmware to bring HMT's electronics in-house.
Established test program for board assemblies including test fixture hardware, firmware, and desktop control application.
Implemented PID temperature controller algorithms and user interfaces for 8 bit microcontrollers using C and C++.
Created a hierarchical state machine description language to C code translator for use in HMT products.

US Army TARDEC
Summer 2012

United States Air Force (Active Duty)
July 2007 to March 2011

Lawrence Technological University
May 2018

Lawrence Technological University
December 2013