Justin Tullos Email and Phone Number
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Website: thedisassemblingdad.comProgramming Languages: C, C++, Python, R, Assembly, VHDL/VerilogInstruction Set Architecture (ISA) Proficiencies: x86/64, Arm, MIPS, PPC, RISCVFrameworks and Databases: Zephyr RTOS, PyTest, MySQL, Oracle, Bluetooth/BLE, Memfault SDK with AWSTools/Extras: Git, Ghidra, IDA-Pro, Xilinx Vivado/Vitis, GDB, Altium PCB, oscilloscopes, logic analyzersActive TS/SCI
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Embedded Systems Reverse EngineerParallax Advanced Research Mar 2023 - PresentBeavercreek, Oh, Us● Client-facing role reverse engineering satellite, radio frequency (RF) communications, analyzing RF protocols, interfacing with software defined radio (SDR) devices, and the embedded/mobile devices associated.● Experienced in conducting vulnerability analysis on hardware and software; developed Python and C software tooling to research, find, test, exploit, and deliver multiple vulnerabilities to primary gov’t sponsor.● Generated custom signatures for multiple ISAs for IDA Pro and Ghidra; hunted down legacy compilers, linkers, and software IDEs from early 2000s using the Internet Archive/Wayback Machine; created databases and repositories for said downloads to use in future projects; developed a web crawler that hunted additional legacy software tooling from the Internet Archive.● Senior technical expert and Subject Matter Expert (SME) on the team; deconstructed gov't sponsor's primary problem into smaller steps in order to achieve goal within 2 months of starting; trained 5 additional vulnerability researchers hired by the prime contractor for the project; brought them up to speed on history and progress.●Establishing Parallax's first reverse engineering lab. Created $30K budget for initial equipment. Bought and refurbishing a JEOL scanning electron microscope (SEM) and energy dispersive x-ray spectroscopy (EDS) system providing a wider gov’t proposal search and submission capability. -
Reserve Ima Officer, Milcomm & Pnt Engineering, SscU.S. Air Force Reserve Apr 2023 - PresentRobins Afb, Ga, Us -
Director Of OperationsUnited States Air Force Jun 2022 - Mar 2023Randolph Afb, Tx, Us -
Assistant Director Of OperationsUnited States Air Force Mar 2021 - Jun 2022Randolph Afb, Tx, Us -
Graduate StudentUnited States Air Force Aug 2019 - Mar 2021Randolph Afb, Tx, Us● Earned Master of Science Electrical Engineering degree with a specialization in the Software Engineering program. Excelled with 3.942 out of 4.00 GPA; awarded the Lieutenant Edwin E. Aldrin Sr. school award for exceptional leadership and academic accomplishment. ● Authored statistics paper which pioneered a new method to evaluate embedded hardware, titled “SPARC: Statistical Performance Analysis with Relevance Conclusions”; accepted and published by peer-reviewed IEEE journal. ● Thesis titled, “Characterizing Security Monitor and Embedded System Performance Across Distinct RISC-V Intellectual-property Cores”. Customized and implemented 3 soft-core open-source processors (the RISC-V Instruction Set Architecture) and a security monitor (Keystone) on multiple FPGAs to benchmark their performance. Two of the processors had never previously been integrated with a security monitor; required extensive embedded development and Linux Operating System integration. ● Established year-long research relationships with teams at the University of California, Berkeley, Princeton University, Columbia University, ETH Zürich, and the Indian Institute of Technology Madras to overcome RISC-V embedded system development challenges. Identified 26 software bugs and RISC-V processor design flaws, provided the teams with fixes. At the Indian Institute of Technology Madras, the Shakti RISC-V processor team personally requested help on implementing their processor on a new FPGA platform; work is featured on their Gitlab page.● Wrote publication on embedded hardware security, developed a model to analyze secure processor performance that leverages queueing network theory to simplify analysis. Accepted by peer-reviewed conference, presented findings at the 16th International Conference for Cyber Warfare and Security. -
Chief EngineerUnited States Air Force 2016 - Aug 2019Randolph Afb, Tx, Us● Manage a team of 16 engineers in the planning and implementation of aircraft modification projects, analysis of functional and performance test results and deficiencies, and performance assessments for more than $4.2B in U.S. Air Force test aircraft, assets, and equipment ● Oversee all aspects of professional development for each member of the squadron, with responsibility for drafting performance and promotion reports and recommending individuals for decorations and awards, including eight subordinates receiving prestigious awards and acceptance to competitive Air Force programs● Directed a critical F-15E operational test evaluation on satellite communications in a remote area of the Middle East, including leadership of technical analysis meetings with outside parties and working with users to develop test requirements, resulting in a 65% increase in communication ability for 84 aircraft in the region● Managed limited communications security crypto equipment in eight offices to ensure all aircraft were able to communicate with each other and with ground control, and developed a 30-day schedule for more than 115 personnel to optimize disbursal of equipment without impacting flight and test schedules● Led a total overhaul of the squadron’s engineer and analyst training program, including creation of a $150,000 budget and planning of a syllabus with six aircraft military training organizations, enabling participants to complete training six months ahead of schedule while utilizing them 25% more on tests -
Program Manager & Training Operations OfficerUnited States Air Force 2015 - 2016Randolph Afb, Tx, Us● Developed the United States training program for Afghanistan’s national army and national police force for fiscal years 2015-19● Managed five Afghan and U.S. personnel in all aspects of the implementation of the $22MM training program for more than 360 Afghan defense and security personnel, including background screening and vetting of Afghan trainees and creation of training programs to address identified shortfalls in Afghan procedures● Identified more than $18MM in forfeited training over a period of eight years and authored two policies to address Afghan government corruption and lack of qualified students, reducing FY 2017 training program losses by $2MM● Created and coded a relational database for entering Afghan student information to automate data entry and improve the process of selecting students for training, saving coworkers up to ten hours per week in manual data entry while significantly reducing input errors● Directed the security and transport of more than $200,000 in cash for Afghan soldiers and airmen, including coordinating secure transportation to and from a U.S. finance building across a terrorist city, with zero discrepancies or loss of funds -
Project ManagerUnited States Air Force 2014 - 2016Randolph Afb, Tx, Us● Led a 15-member team in the conversion of a vital $10MM satellite terminal ground station from contractor operations to internal Air Force operations for the Air Force Space Command Headquarters, completing the project two years ahead of schedule and saving more than $1MM in contractor costs ●Managed a three-member contractor training team in creating materials and conducting training for the operation of a $14B Advanced Extremely High Frequency Satellite system● Directed a 35-member satellite terminal program delivering protected and secure nuclear command and control for the President and more than 600 warfighters in the field● Oversaw 16 successful nuclear technical maintenance reviews for satellite terminals, saving more than $1MM by identifying earlier opportunities for technical reviews with the contractor, resulting in a shorter timeline for project completion and reducing contractor overhead charges -
Lead EngineerUnited States Air Force 2012 - 2014Randolph Afb, Tx, Us● Managed a ten-person integrated test team in the verification of more than 400 system requirements for a $9.9B communication satellite program, with responsibility for approving system test plans, policies, procedures, certifications, and equipment for 1,800 contractor personnel at 11 facilities● Directed a $129MM research and development laboratory contract in support of satellite and mission control development, as well as three major Advanced Extremely High Frequency satellite factory tests with more than 100 contractors -
Lead Software EngineerWevibin May 2021 - Jan 2023● The Lead Firmware/Software Engineer for a startup company, WeVibin, which is releasing a consumer product to address attention-deficit/hyperactivity disorder (ADHD). Designed the software architecture for the product and prioritizes features and code fixes with CEO. ● Programmed Bluetooth Low Energy (BLE) features in product for upgrading firmware over-the-air via mobile application. ● Developed custom bed-of-nails automated test fixture in Solidworks that is 3D-printed and executed by python code; provided circuit board-level automated testing after manufacturing. Reduced a manual board test process from 5 hours to 3 minutes and provided a new method to debug hardware.● Created revised PCB in Altium with upgraded Nordic BLE chip and updated layout. Redrew signal/power traces based on new chip pinout and added 5 previous board errata/manual rework fixes. -
Test EngineerWoodward, Inc. 2011 - 2012Fort Collins, Co, Us● Performed independent evaluation, selection, and application of standard engineering techniques for a defense contractor supplying complex electronics boards used in five in-flight aircraft systems● Analyzed a range of procedures, including testing, operating, and flight system procedures to recommend adaptations and modifications to products and test equipment● Investigated an issue causing a recurring fault with flight control boards received from an airline client, traced the issue to a problem with production line personnel, and developed a new soldering procedure to prevent future occurrences, resulting in an improved product for the client and eliminating $1MM in warranty costs● Provided technical electrical engineering advice during the investigation of potential issues with electronic flight boards and applied basic control theory to simple and complex components and systems
Justin Tullos Skills
Justin Tullos Education Details
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U.S. Air Force Institute Of TechnologyElectrical Engineering/Software Engineering -
University Of Illinois ChicagoComputer Engineering
Frequently Asked Questions about Justin Tullos
What company does Justin Tullos work for?
Justin Tullos works for Parallax Advanced Research
What is Justin Tullos's role at the current company?
Justin Tullos's current role is Embedded Systems Reverse Engineer / AF Reserve Officer.
What is Justin Tullos's email address?
Justin Tullos's email address is ju****@****rch.org
What schools did Justin Tullos attend?
Justin Tullos attended U.s. Air Force Institute Of Technology, University Of Illinois Chicago.
What skills is Justin Tullos known for?
Justin Tullos has skills like Program Management, Electrical Engineering, Project Management, Ca Top Secret, Cross Functional Team Leadership, Team Leadership, Multi Cultural Team Leadership, Training, Troubleshooting, Relational Databases, Wireless Networking, Java.
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