Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 1 of 10

ROGER K. TOMKINS, BSEE

Phone: 407-***-**** (Orlando, FL) email: ad39tn@r.postjobfree.com OBJECTIVE

Staff Electrical Engineering Position with a Market Leader involving leadership in Hardware Design developing and perfecting Creative Solutions through Systems Modeling, Analysis and Simulation FUNCTIONAL HIGHLIGHTS

20+ years as an Electrical Engineer, eight years Principal Engineer, six as Research Staff Engineer, five as Senior Electrical Engineer; 15 years Lead Electrical, four as Software Lead.

Skilled ANALOG, DIGITAL, Design and Test Engineer, designing instrumentation hardware, computer interfaces, and power supplies using Mentor Graphic Design Architect, MATLAB, SPICE, OrCAD

Skilled Project Engineer, responsible for all phases of product engineering & mgmt.: requirements, architecture, algorithm development, design, purchase, integration, installation, modification, validation and documentation

Development Environments and Tools: Outlook, Gmail, Excel, Visio, LTSpice, Matlab/GNU Octave, Access, Promis E, DOORS, OrCAD, Siemens/Mentor Capital Logic & HarnessXC, NFPA 70 (NEC), NFPA 79

DataComm Knowledge: RS-232, 422, 485, IEEE-488 (GPIB), Ethernet 802.3, TCP/IP, J1939 CANbus, STANAG-4156, MIL-STD-1553, SPI, USB, DVI, ARINC429

Documentation Expertise: MS Word, Project, Visio, AutoCAD, NotePad++, CMPro, SmartSheets, PLM

Graphics Expertise: Visio, Power-Point, AutoCAD, AutoLISP, (President of Central Florida AutoCAD User's Group 1988-89), SL-GMS Graphic Modeling System programming for X-Windows based graphics and GUI / HMI development, ViewMate (Gerber file viewer), GIMP, Adobe Acrobat Pro, Electrical and P&ID schematics

Language Proficiency: C, Assembler, FORTRAN, Linux/UNIX scripts and Kernel Development, Cscope, Ada, and VBA; SEI Level III Certification, Windows PowerShell

Operating System Platforms: Linux/UNIX, MS Windows, Mac OS-X, Solaris

UNIX Systems Administrator: Ubuntu, Linux, Oracle Solaris, Cygwin, Oracle VirtualBox

Certifications: Eng.-in-Training (EIT), ISO9000, ISO14000, ESD, HazMat, Hazardous Voltage,

Clearance: Active Secret

FUNCTIONAL SKILL DECOMPOSITION

Engineering

Function

Profile Embedded

Specific

Experience Domains

Analog Design 20% 60% Avionics, Space, Marine, Land, Support, Simulation, Medical Digital Design 15% 40% Avionics, Space, Marine, Land, Support, Simulation, Medical Software Design 15% 60% Avionics, Space, Land, Support, Simulation Power Engineering 15% 40% Avionics, Space, Marine, Land, Support, Simulation, Medical Mechanical Design 15% 20% Avionics, Space, Marine, Land, Support, Simulation, Medical Systems Engineering 10% 40% Avionics, Space, Marine, Land, Support, Simulation Integration & Test 10% 40% Avionics, Space, Marine, Land, Support, Simulation, Medical RELEVANT EXPERIENCE

Luminar Technologies, Orlando FL 06/2021-9/2023

Controls and Electrical Engineer (Lead Electrical) Contract through Triple Crown Technical Professionals, Austin, TX Designed and constructed controls and wiring for manufacturing assembly & test stations, from inception, incubation, specification development, commissioning, training and documentation - for manufacture of leading Automotive LIDAR apparatus for the World’s Number One Driving Lidar manufacturer Achieved: drying and vacuum processes, gas flow control, balancer and PIOD debug, Leak Check, pneumatic vacuum & motion ctrl.; Lead Design Engineer for Final Customer Configuration:1) Glare Shield install, 2) Cable- to-PCB testing requiring algorithm development; highest priority to operator safety, generated system Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 2 of 10 requirements, Work Instructions for Thermal Control Units (TCU); requested and reviewed accelerometer analysis to adjust for and maintain 50g impact for “best” Glare Shield placement and bonding, P&ID schematic Tools: Arena (PLM), Visio, Excel, SmartSheets, Slack, GNU Octave (MATLAB), LTSpice, Solid Works & Vault, OneNote, VOM, Loop-Calibrator, O-Scope, Arbitrary Waveform Generator, Relay & PLC logic and programming, BOM and purchasing, CLICK (AutomationDirect) and RSLogix500 PLC (AllenBradley) apps and git (RCS) Boeing, Boeing Defense Systems (BDS) – Tinker AFB, Oklahoma City, OK 11/2017-11/2020 Electrical Engineer – Level 5

Contract through Apollo Technical Professionals, St. Louis, MO Project: Airborne Warning and Control System (AWACS, E-3) – Royal Saudi AWACS Modernization Program, NATO Final Lifetime Extension Programme, and UK WedgeTail (AEW&C, E-7) Tasks Scope: Air Vehicle Electrical Wire Design - RF Communications, Crypto and AV Power Design Developed Air Vehicle Generated Electrical Load Analysis (ELA) MIL-STD-7016; developed high confidence list for equipment reuse and new equipment; MIL-STD-704

Developed Interconnect Design for RF Comm. Equipment, ICD contributor/editor, integrated Common Secure Voice Equipment, implemented cabinet TEMPEST and EMI mitigation, small signal analysis, Link 16 Created and Released 1) Wiring Block Diagrams, 2) Cable Formboards, and 3) WIRS database release SEIT ICD Committee for ICD technical improvement, maturity and design guidance Tools: Siemens/Mentor Capital products: Logic and HarnessXC, ProgeCAD (AutoCAD), Acrobat Pro, Word, Excel

(pivot tables for analysis, forms and VBA), WIRS (Boeing aircraft wiring release database), CMPro SME for MIL-STD-1553B HW & Conveyance, developed BOEING Training Short Course Baran Gaseous Technology Corporation – Jackson, WY 11/2016-01/2017 Principal Hw/Sw Electrical Engineering

Contract through Imperial Technical, Austin, TX

Developed control electronics to leverage blended fuel system with existing fuel system for diesel tractor engines, for transportation sector; to operate mechanical components in synchronization to existing ECM/CCM, monitoring and control, cam and crank shaft pickups, and a variety of other sensors Systems development for application of blended fuel optimization, augmenting compressed natural gas (CNG) Migrating existing product to higher performance, algorithm-based blend control and trim Redesign for unique fleet model transportation tractor, attachment and control to Cummins Diesel power plant Green project, reducing carbon emissions artifacts related to fleet diesel operations Tools: KiCad schematic capture, Vivado FPGA design and circuit layout, MATLAB/GNU Octave to analyze and optimize fuel mass displacement for a spectrum of environmental conditions Cobham Aerospace Communications – Prescott/Phoenix, AZ 04-10/2016 Staff Electrical Hw/Sw Engineering Generalist

Contract Electrical Engineer through Zoom Technical, Boston, MA Products included Radio, Cockpit/Crew Audio, and Media Transmission for In-Flight Entertainment; FAA certified product lines

Provided expert problem solving/trouble shooting for Digital and Software Controlled Avionics Communications Equipment

Content Provider and Cognizant Engineer for ECR development and implementation for obsolesced products/components, through Documentation and Configuration Management expertise, dealing with high priority situations, Line Stop and “Aircraft on Ground” troubleshooting tasks Saved company over $9M in restoring health to a problematic lifetime buy processor with high failure rate Provided expertise in resolving an IBIT Analog/Digital Hw/Sw line-stop; independent problem resolver Tools: Excel, Notepad++, Oscilloscopes, Logic analyzer, ATS-1 Audio Generator and Analyzer, VOM, product specific Test Stands, MS-Access, MS-SharePoint internal web based ECR utility, Paint.net Aerosonic – Clearwater, FL 08/2015-01/2016

Staff Electrical Engineer

Contract Electrical Engineer through RoKWare Labs International, Orlando, FL Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 3 of 10 Circuit Design to Upgraded Air Data Computer for ARINC429 channels, lightning protection size reduction modeled with circuit simulation, contacted vendors for specific component SPICE parameters, evaluated for component power and thermal effects, with self-monitoring (loop back) on Tx channels, worked closely with component manufacturer; layout outsourced, daily report to FAA Designated Engineering Rep. (DER) Leveraged legacy reuse with upgraded components, to develop full software support (non-SW role) DO-160 compliance: EMI and Lightning protection, Level 4 Table 5A source lightning simulation; IPC-160 Class C compliant ECB layout and construction of Mil. Temp. TMS320F2xxxx series DSP Simulated Lightning Waveforms protection with LTSPICE for power and energy analysis Tools: OrCAD 16.6, LTSpice, PADS, ViewMate, MATLAB r2014, Borland StarTeam Config. Mgmt. app. Continuing Education – Wind Tunnel Performance, Calibration and Sensing BAE Systems - Land and Armaments, Minneapolis, MN or York, PA 02/2013-06/2014 Principal Electrical Engineer

Contract Electrical Engineer through Advantage Tech, Baltimore, MD Designed 600Vdc Gimbal (Azimuth and Elevation) Motor amplifier rack for Risk Reduction Project, including USB, CANbus, SPI bus and RS-422, interface with MATLAB xPC Target controller and operating system Developed connector based ATE CCA board testing specifications for circuits in Army program Paladin Integrated Management (PIM) Electrical Servo Control (PESA), testing: filters, FPGA firmware, ESD protection characterized by SPICE and Fourier analysis

Architect and Principal Engineer for development of test platform for M109A7 HV power generator, distribution and converters for vehicle component destructive shock evaluations, 480VRMS, 610Vdc, 28Vdc, E-Stop ladder logic design, high isolation, load-bank design, speed vs power vs heat tuning, site-survey, government and multi-IPT communications, electrical, mechanical, 60hp 480VRMS motor and hydraulic mounting stands, spline shaft to shock coupling, thermal analysis for 30kW delivery, research and design, HV protective cable construction, testing and neutralization amongst; detail given to human operator safety and isolation, effects isolation, contamination containment, Relay Logic and P&ID schematics Mitigated 4-month late delivery of axial coupler interface to 2-day repurchase-to- installation Investigated bolt torque-shear vs “hold” and galvanic interaction/capabilities on fastener & frame materials Investigated cable “wear” problem and mitigation

International Chairman’s Design Award of the Year nomination Tools: MSWord, Excel, Visio, Notepad++, LTSpice, OrCAD, PTC Creo & Windchill Training: High Voltage Awareness level II, Arc Flash Farasis Energy, Hayward, CA 02-10/2012

Principal Embedded Systems Electrical Engineer

Embedded Electrical Engineer responsible for development of an Energy Management System PC104 System on a Stack using Intel Atom processor for minimal power requirement; running Ubuntu (Linux) platform with ports supporting CAN bus, digital, analog and isolated input and output Developed C based code on Linux system; System acquired data from remote intelligent modules, tracked, recorded

(data logging), trend and textual and graphically present monitored activity Developed simulator for control logic and algorithm development, enhanced time compression Tools: gcc, cscope, ctags, vim, Excel, Word, JTAG, VSCom CAN to USB, Eclipse IDE, Skype, Webex, Ubuntu, Oracle VM VirtualBox, Octave

Mindray, Mahwah, NJ 01-03/2012

Principal Investigating Analog Electrical Engineer Contract Electrical Engineer through Black Diamond Networks Inc., MA Investigated thru Circuit Stimulation and Evaluation, Recommended and prepared ECN to CCA for increased discrimination between organic and inorganic acquired biometric signals Proved solution through SPICE modeling and applying a developed (programmed) waveform (HP Arbitrary Waveform Generator) simulating degraded input

Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 4 of 10 Tools: Cardiac simulator, HP 33120A Arbitrary Waveform Generator and associated waveform generator Waveform Generation Software, LT-SPICE, OrCAD, Visio, paint.net, Excel, Skype Lockheed Martin, Orlando, FL 11/2007-10/2008 & 07-08/2011* Principal Investigating HW/SW Electrical Engineer

Contract Electrical Engineer through DCR Inc., FL

Developed* LM-STAR Test Stands for 1) JSF (F-35) Electro-Optics Test Rack, Gimbal actuation and evaluations, and worked to prepare 2) wiring interconnect diagram for eCASS variants for ship based testing and repair of airborne naval avionics and systems

Developed* extended USB and Digital Video (DVI) cable sets for remote touch screen monitor, mouse and keyboard; reduced Intersymbol Interference (ISI) and attention given to simplified unpowered solutions Worked directly under Principal Architect, STS-Maritime Systems, US Naval Missile Destroyer DDG-51 Machinery Control System (MCS) and fleet electronics

Principal engineer in the design of 5-console Legacy SVS (Software Validation System) System and Console Power Management Units: included gathering requirements, specifying power supplies, developing control electronics, and simulation control panel, leading System Requirements Review, Preliminary Design Review and Final Design Review. Directed efforts of two staff; Saved program money by scavenging older systems and cables for reuse. Principal investigator on Proprietary VME Data Communication card for a Marine Data Messaging System using STANAG-4156; analyzed and debugged signal protocol timing and state machines, used logic analyzer and reverse engineered ABEL and C compiled PROM code

Investigated FET and steering diode failures on regenerative braking on a digital controlled rechargeable cart, Moving Armor Target (MATS) making 10 issue engineering guidance recommendation including braking algorithm definition, motor technology change and other speed and reliability enhancements Principal investigator on instrumentation error in analog circuits for servo-control hydraulics Propeller Pitch Control; constructed precision analog circuits for calibration, recommended algorithms parameter enhancement Principal investigator on MS NT flash based embedded display system upgrade Principal investigator on Grounding study on a 6,000 signal interfaces instrumentation systems Developed Naval Open Architecture (NOA) elements for Machine Control System proposal, Researched and designed class to instruct management and program personnel on NOA & OACE, its importance, impacts, affects and ramifications

Tools: MSWord and Power Point for presentations, analysis in MSExcel, HP Logic Analyzer, SPICE to develop analog control logic, used Promis e for chassis and harness wiring; PTC-Creo & Windchill Hamilton Sundstrand (div. of UTC), Rockford IL 08/2010-03/2011 Electrical Circuit Design Engineer

Contract Electrical Engineer through Arnold Hannifin, Boca Raton, FL Project: Orion CEV for NASA subcontractor Lockheed Martin, to build Remote Power Controller (RPC) High density SMT CCA contained 20 remote channels with current limit and trip capability and 8 remote controllable switches; contained nearly 2,000 components, including FPGA for board personality, interaction and control, main and various test connectors, controlled through serial ports and various discrete signals, Power FET based switches use individual analog logic for thermal and circuit control, for current limit and trip of 120Vdc power

Debugged buffer hold up problem, margin analysis of 3.3V Opto-coupler circuits, density problems with components touching using 3D modeling and using various Nomex thermal hi-dielectric paper for FET metallization gapping of solder strain during card-flex while in high-g launch event Teamed with Test Engineering Group to ensure developed test stand application(s) met scope and capabilities for all RPC boards; leveraged skeleton Acceptance Test Procedure (ATP) to develop detailed testing procedure Used SPICE to model circuit and develop margin analysis and corrective actions and for design assurance, developed board component database for 3-segment card build: 1) Power, 2) Analog, 3) Digital and external I/F Created product construction marking and inventory system Conducted research, fabrication and debugging of PWA in Power Lab and Engineering Development Center using a Digital Storage Oscilloscope, DC supplies, and Multi-kW floor model variable power supply for channel power Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 5 of 10 ProActive Technologies LLC, Orlando, FL 11/2008-11/2009 Staff HW Electrical Engineer

Hardware Maintenance Contract for the E-3 (AWACS) at Tinker AFB, Oklahoma City, OK All work performed at ProActive Corporate Headquarters in Research Park/Quadrangle, Orlando, FL Performed Engineering analyses, design, implementation and testing of equipment Trainer Modernization Engineering Change consisting of 42 Distributed smart (PC-104 based) controllers with variety of cockpit instrumentation displays, conformal in appearance and functionality, performing local BIT diagnostic, simulated start up and Ethernet based functional data synchronization to platform host command and mission or scenario database

Designed console equipment to simulate TTU-205F Static & Pitot Altitude/Air Speed Calibration system, developed Risk Analysis for OEM vs. engineered components, integrated functionality of all front panel controls and displays with sound track of “working device” vacuum pump with audio response of 80Hz to 10kHz through internal bookshelf 3.5in woofer 2-way speaker and 20W power amplifier Developed dual 208V 3Φ power management racks including 400Hz for Flight Deck Trainer proposal Design Simplification for Rabbit Processor based (2 ECA) simulated SATCOM control panel for control enhancement and luminance tuning of three 7-segment and twelve component LED displays Project Engineer for development of 4-workstation classroom system and all electrical and rf design, housing Airborne Integrated Terminal Group (AITG) (software defined radio) for DAMA Orderwire Channel Controller Trainer/Simulator (DOCCT/S), developed Architecture, CDR and PDR Designed Interface for Radio Receiver audio output to both Student and Instructor specialized Bose E-3 Headsets, with independent user Volume Controlled outputs of 20 to 80dB (SPL) at 15dB per turn Project Engineer on Power Monitor and alarm system, monitoring 400Hz and 200V 3Φ stability Tools: Word, Excel, AutoCAD 2009, Power Point, Spice, ViewMate for Gerber file design validation SPX, Owatonna, MN 05-08/2007

Project Electrical Engineer

Contract Electrical Engineer through System Pros Inc., North Billerica, MA Developed Engineering Requirement Specification for an embedded CCA, pocket sized, Multi-bus Automobile Diagnostic Interface with the capabilities to simultaneous support of multiple CAN based bus communications and interface with either 1) a company developed HMI Tablet with a cavity in the rear to cradle the device, or 2) a host PC or workstation/terminal via Wi-Fi, USB, Ethernet 802.3 through hard-wired RJ-45 Combined System Specification and FPGA Specification Device supported expandable memory via SDIO slots

Developed Super Capacitor circuit to sustain 28s of operation during battery replacement Supported development of PCB board including interfaces with external data ports and a carrier board which supporting mezzanine processor board; defined Altera FPGA interface for a 324 BGA and associated driver circuits SYMVIONICS, Orlando, FL 11/2006-05/2007

Lead Hardware Electrical Engineer

Contract Electrical Engineer through Aerotek, Orlando, FL Naval non-motion simulator for the T-45 Required Avionics Modernization Program (RAMP) Developed all designs, schematics and functional block diagrams with ambitious “6-month to fly” schedule Integrated 18-slot National Instruments DAQ (PXI) chassis for signal interface, with an assortment of AI, AO, DI/O and instrument and power relay cards

Developed all power schemes, control and UPS support of 225A at 208Vac 3Φ power, including "one-touch" system shutdown and startup

Developed parameters and specified Pulizzi power control units with Ethernet interface Specified all power supplies for instrument power, 5Vdc, +/-10Vdc, +/-15Vdc, 28Vdc, and a 4-channels remotely programmable voltage outputs to support dimmer circuits Used MS Excel to perform thorough power load analysis utilizing power factor and supply efficiency calculations for all trainer instrumentation movements, lighting, and electronic components Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 6 of 10 Designed all power distribution and steering circuits, instrument wiring sizing and color coding scheme, terminal block functionality, power wiring sizing with NEC compliance Designed and implemented all system dc and ac breakers for distribution protection wire sizing Assigned and maintained all reference designations from unit level to component, leveraging and complementing legacy trainer equipment REF DESs with additional components Designed all component-mounting panels, for wiring and fit efficiencies, and appropriate cooling capabilities, maintaining appropriate cable bend radius

Developed avionics MIL-STD-1553 interface using Omnibus Ethernet to 1553 Interface Designed avionics video distribution interfacing Mission Display Processor to HUD, MFDs and camera Designed 4-channel audio system, amplifier and speaker selection Specified connectors and harness development to support avionics and instrumentation, reduced 8-week product delivery delay to 4-days,

Developed quick MS Excel implemented algorithm to estimate harness size Datametrics, Orlando, FL 09-10/2006

Lead Analytical Test Engineer

Contract position through Roger Tomkins Consulting, Orlando, FL Provided Electronic Test Engineering and Support, analyzed circuits and developed pre-integration testing documentation for 4 CCA system for 25Vdc 20A Switched Mode Power Supply used in nuclear industry; developed two 6-page 78-step hardware test procedure including VOM, Oscilloscope, Variable Power Supply through analysis schematics of legacy design using SPICE to determine appropriate criterion; tests included visual inspection, polarity tests and 30kHz voltage signal injection EATON Aerospace, Sensors and Control div., Sarasota, FL 02-08/2006 Lead Electrical Engineer for Aerospace Arc Fault Circuit Interrupter (AFCI) Contract position through Midcom, Inc, Torrance, CA Product: Analog and Processor Controlled Aerospace Circuit Breaker/Circuit Interrupter, for 1 and 3 120Vac@400Hz and 28Vdc, 3 products were digitally controlled with PIC Processor Skill: Analog Electrical Engineering, use of OrCAD with PCB design, validation and product documentation Time integration algorithm of load shorts performed by op-amp or microcontroller configurations in 120Vac@400Hz and 28Vdc sources Arc-Fault (AFCI) trip, spec. driven sensing 7 arc-events within 100ms, co-located AFCI control electronics in preexisting thermal breaker product line for ease of aircraft upgrade, 4 CCA product scope, manufacturing, design and layout with SMT components Performed Documentation duties for release, fabrication and assembly of CCAs: from schematic capture using OrCAD, BOM to artwork and PCB fabrication to assembly. Worked with vendors to acquire components, validate and approve PCB layouts Developed cost saving improvement providing a 25% cost reduction in board fabrication and test Trilectron Industries (div. of Illinois Tool Works), Palmetto, FL 03-11/2005 Project Engineer - System Integration and Hardware Engineering Contract position through TechniPower, Inc, Atlanta, GA Product: Joint Strike Fighter (JSF) Digitally Controlled Power Generation Ground Support cart, producing Sub- System Power Development and Air Conditioning, and involved in the development and 2 EMI cabinets containing controller and associated I/O

Technology: Power Generation Capability: 460Vac at 450A (180kW); Delivery: 270Vdc at 260A, 28Vdc at 125A, 115Vac and 24Vdc power conversion; Utilization: 30hp, 15hp, and 8hp motor control, ac to dc power conversion and stability, Involved design of J1939 bus for motor control Develop Lockout between Diesel Power Generation and Ground supplied Facility Power, and harvesting 7% full load capability during 13-minute initial engine startup and idle mode to operate 13kW heater blanket for low temperature ( –20 F) compressor pre-heating cycle, defined cable sizing and fuse application and selection Developed High Amperage 28V 125A supply, control and monitoring for Flight Test Instrumentation, and buses structures

Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 7 of 10 Evaluated, Selected and authorized the purchase of components, used company Access database to locate company standard parts where applicable

Was supported by staff of Engineers, Draftsman, Technicians, Electricians and Assemblers; worked 60+ hours per week to accomplish an unprecedented task of engineering a completely new design from cradle to delivery in 22 weeks, a “production ready”, deliverable, first article Tools: AutoCAD 2000, MS Word, MS Excel, and MS Access (no Access development) General Dynamics Land Systems - Advanced Electrical Systems, Muskegon, MI 01/2003-06/2004 Project Engineer

Contract position through EPCOM, Troy, MI

Technology: Hybrid Electric Vehicles

Skill: Power Electronics Systems Concept Electrical Engineer for a 600Vdc system Project: Future Combat Systems (FCS)

Major Performer for Power Vetronics Engineering supporting two vehicle variants, 1) Reconnaissance and Surveillance Vehicle (R&SV) and 2) Command and Control Vehicle (C2V) Responsible for Development of Power Architectures for each vehicle including following products Developed and maintained Power Architecture and Vehicle Power Schematic Block Diagrams for Power Load Balance development using Visio used as guidance for interface development; Power Load Lists in Excel; Vehicle Functional Context Diagram using Visio: 1) Mission Module Aux Power and Power Distribution and Management Subsystems, and 2) Mission Module Alternative Energy Storage Subsystems; “Silent Watch Mode” Systems Analysis and recommendations using Visio

Participated in Thermal working group, presented modeling of expected thermal loading of all vehicle components/equipment, requested analysis for mitigation of solar heating effects, served to leverage lessons learned from Comanche (see Lockheed Martin) to promote cold wall liquid cooling of computer and power management chassis; contributed to Trade Study

Created Decomposition Matrix for 1400 element Operational Requirement Directive (ORD) specification, partitioned with respect to Engineering Discipline, Component System and designated value based relevance and complexity

Developed Preliminary Vehicle Power Distribution and Management Specifications using Visio, and Vehicle Estimated Power Timeline Analysis using Word & Excel Collaborated with others using MIL-STD-704E and MIL-STD-1275 as guidance to develop an “FCS specific” power standard specification for FCS equipment

Lockheed Martin Incorporated, Missiles and Fire Control, Orlando Florida 01/1999-04/2002 Research Staff Electrical Engineer

Project: Comanche Army Helicopter Electro-Optic Sensor System (EOSS), Electro-Optical Target Acquisition and Designation System (EOTADS) and Night Vision Pilotage System (NVPS) Responsibilities: design and development of all Analog Networks including chassis cables and all inter-LRU cables, for a 33 Line Replaceable Unit (LRU) system including SADA II 2nd Gen. FLIR powered by 270Vdc high voltage, 3.3Vdc power supply and conveyance, and significant contributor to Gimbal harness, FLIR Window Anti-Ice power management and a high speed/high density 24-layer backplane using Ultra High Density (UHD) connectors supporting SIMD or SIME sub-modules and two backplane I/O connectors, Designed CCA to prevent obsolescence of two major electronic chassis by reducing from 44 to 12 the required leads for two 3A circuits of 3.3V, the 44 would have required an extra connector on each chassis; thermal analysis was required to place off board circuits, mounted CCA on the chassis provided sufficient cooling, and placing inline resistor to remove nearly 5W of heat from board based regulator circuit Aided in development of zone based power and thermal management to IR window anti-fog/anti-ice implementing a 270Vdc to 28Vdc power module to mitigate obsolescence and thermal issues Involved in Fiber-Optic cable & connector and twist cap development and implementation Leadership: task lead for 3 engineers, 3 students

Project: Wind Corrected Munitions Dispenser (WCMD) as sustaining electrical engineer for an awarded 40,000-device program, consisting of a single CCA cluster bomb smart tail kit Discovered failure prone resistor production lot by performing Aging Resistor research under 20-year equivalent aging tests; variables included conformal coating, resistor manufacturer, resistor value and SMT package size; designed resistor CCAs, developed BASIC program to acquire, multi-reading delay, reduce, record, trend, compare, and Roger K. Tomkins HW/SW/System/Project Electrical Engineer Page 8 of 10 provide best two-out-of-three voting, VOM readings using GPIB, used DITMCO programmable switch to sequence or automate the evaluation of 1760 resistor over 40 CCAs, with multi-locus measurements during the 20 year equivalent exposure, maintaining on-time at-cost criteria using MS-Project Performed Debug and testing of CCA with Labview software and ATE type test stand/brass board Hardware: TMS320C32 DSP controlled tail kit, MIL-STD-1553 on a MIL-STD-1760 interface, 3-phase motor control, Inertial Measurement Unit (IMU) interface, and squib fire control, 160V and 100V battery Component Engineering: specializing in TI DSP and Xilinx FPGA products Applications: Mentor Graphics v8 Design Architect and Layout, Apollo Mentor Graphics v7, FrameMaker, MS PowerPoint, MS

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