Grant Walker Email & Phone Number

Perth, Australia

Provide direction and leadership of a team developing an airborne geophysical survey instrument (Gravity Gradiometer) for mineral exploration (14 UWA/Rio Tinto direct reports)* Monthly development of work plan and project sponsor reporting* Quarterly review of intellectual property strategy * Preparation and negotiation of contracts and budgets* HSEC Risk register and HSEC project plan (IPMP)* Leading team during aircraft trials including onsite HSEC controls and aviation engineeringElectronic engineering lead* Managing hardware/software development for Current Pumping System* Integrating differential Dual GPS for flight location monitoring

Perth, Australia

Management* Contract management of two development teams for bespoke data acquisition and control solution with Australian and Indian companies:Managed development budget, Engineering specification, development management and customer acceptance testing* Contract management for development of stabilisation platform: Engineering specification, development management and customer acceptance testing* Prepared Emergency Response Plans for Jandakot Airport * Prepared Safe Work Procedures for VK1 HSEC system Electronic engineering* Modelled and tuned control system for three axis inertial stabilisation control and multiple temperature control loops (PID)* Designed and commissioned all custom electronics for VK1 Gradiometer system: Current amplifiers, analogue boards, electronic ring power supply, shadow sensor interface, filter boards (Altium), Super conducting circuitry, Wiring harness * Programmed servo control and data acquisition systems (DSP, Labview, C++, Matlab, Igor, JavaScript)* Programed custom windows DLL’s (C++)

Perth, Australia

Custom electronic development for Microsoft Xbox360 development team * Designed Xbox 360 prototype wireless game pads (multiple projects)o PC and Embedded Software development (C++/C/C#)o USB driver/stack development in windows and on embedded deviceso RF design and analysiso CPLD/FPGA design using VHDL/schematic capture * Developed end of line test o Instrument control for RF test design via GPIB/Serial port* Two site visits for board delivery/debug/contractor meetings – Microsoft Seattle, USA

Perth, Australia

Development of new audio encoder/decoder for remote radio broadcast * Completed implementation of multi-rate AAC (audio) encoder/decoder on Texas instruments embedded platform

Perth, Australia

Development of mobile communications for trucking contractor (Geologic) in USA (US$3.5 million)* Developed messaging interface from Motorola trunking (DataTAC) to remote GPRS radio* Developed over the air software update for remote GPRS radio* Embedded C/C++, iptables, GPRS radio development, TCPIP/PPP, Motorola backend interface specificationImplementation of software defined digital radio to replace two hardware systems as part of a cost reduction strategy* Prepared Software Defined Radio Specifications and Design documents detailing architecture and algorithms to meet low power design requirements (UML)* Designed and implemented Software Defined Radio (DataTAC 4 level FSK, Mobitex GMSK, AGC frequency tracking loops, Matlab) on Texas Instrument s C5471 fixed point DSP processor.* Modelled BER/multipath fading/SNR/frequency tracking loops using Matlab and bit true fixed point C modules* Designed hardware for ADC, anti-alias filter and DAC interfaces

Farnborough, Uk

Design and development of firmware for test equipment (2055 Impedance analyser)* Developed digital signal processing firmware for acquisition and analysis of captured data (channel equalisation, interpolation, signal generation, FFT and correlation, Matlab) on Texas Instruments TMS320C6711* Designed test and calibration procedures for sub-assemblies and complete products.* Applied standards (UML) for the specification, design and quality assurance to all software developed

London, United Kingdom

Sole IT support manager for training company of 30 staff/60 computers/2 servers* Administered Windows 2000 fileserver and mail server * Managed Redhat Unix v2.2 fileserver * Administered Sonicwall gateway and telephony service

Perth, Australia

Development of spread spectrum data radio for use in developing countries* Adaptive digital filter design using C, Xilinx development, V25 protocol implementation

Perth, Australia

Design of mineral sands process flowsheet for use in simulation and tuning of Tiwest Synthetic Rutile Kiln * Programmed flowsheet in Visual Basic Excel using Limn excel tools* Multiple site visits to kiln to collect essay samples

Perth, Australia

Government IT department supporting 1500 staff across 30 sites* General IT support of network (TCPIP)/telephony/individual computers* IT training for Microsoft products* Multiple programming development in Visual Basic