Director, Embedded Software Engineering 1/23 – PresentAs the company grows, strategic project planning and execution has shifted from a single department manager to the senior engineers who had a hand in getting the product to where it is now. Have the same responsibilities as the Embedded Software Engineering Manager role plus increased autonomy and accountability.Embedded Software Engineering Manager 10/21 - 12/22Lead 9 person team that creates new features, upgrades old ones, and fixes bugs in Linux kernel, Android, User Space, and Web Management Interface.Mentor and assist in professional development of team members.Assist Engineering V.P. with project planning and execution. Title changed in 2021 but had same duties since 2017.Embedded Software Engineer 7/13 - PresentDeveloped code to implement Height Above Ellipsoid/MSL altitude calculations. Balanced resource requirements against accuracy.Developed and integrated configuration, communication, and status code for FLIR Recon III IR ranging binoculars.Lead engineer on effort to port web based device control and configuration interface to Next Generation System running Android Operating System.Found and fixed multiple bugs in tracker antenna positioning subsystem. Modified open source software for iperf, a network performance tool. Increased reliability and robustness. Found and fixed long standing segmentation fault in audio daemon.Initial user/debugger/enhancer for new, internally developed software for configuration, variable management, and embedded API with over 47,000 lines of multi-threaded, multi-forked C++. Found and fixed multiple bugs and added new features.Integrated OpenSL for Android in to audio subsystem code.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_persistent_systems

Software Team Lead, responsible for performance evaluations, career development, and mentoring of six junior members of software group.Lead Software Engineer for LSTAR radar, a 360 degree air surveillance radar.Lead Software on TRES (Threat Radar Emitter Simulator), radar receiver.Lead Software Engineer for PAWSS, a chem-bio detection and reporting system.Lead developer on Northrup Grumman LN270 based motion compensation system for a mobile radar system.Designed, developed, tested, integrated, and documented C++ ASTERIX message protocol interface.Wrote C++ program that interfaced with Microsoft Flight Simulator to generate detection data for testing a tracker.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_src for more details

Primary embedded C developer for Orion project IAPDB (Image Acquisition, Processing, & Display Board). IAPDB is a single PCI board solution for acquiring, processing, displaying at 30 fps, and transferring 1024X1024 12 bit digital x-ray images to a PC based host computer.Wrote PCI device drivers for image processing. memory, data storage, and device control boards.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_infimed for more details.

National Library of Medicine Visible Human ProjectEdge detection and feature extraction on 2D, 24 bit color anatomical images.Designed, built, programmed in C++, and installed control system for proprietary cryogenic macrotome. Designed and programmed a library for accessing volume data on CRAY, SGI, SUN, and PC platforms.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_uchsc for more details.

Wrote motion control code and operator interface for a multi-axis, user programmable robotic fixture.Lead software engineer for the company's main product line. Supervised three programmers.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_akron_standard for more details.

Wrote machine control for two tire test machines.Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_firestone_tire for more details.

Wrote software to analyze Antarctic weather data. 9/84 - 11/85Research Assistant for expedition to Ice Stream B, West Antarctic Ice Sheet. 11/85 - 2/86Visit https://charlesgrush.com/OnlineInterview/OnlineInterview.html#bm_antarctica for more details.