(last updated - 2017/12/12) Dennis Towne 6709 McPherson Blvd Fl. 1 Pittsburgh, PA 15208 Tel: 716-462-8270 email: firstname.lastname@example.org email@example.com Recruiters - 2017/12/12 I am not interested in working outside the greater PIT area. Do not contact me for work in California. Work Experience Aug 15 - Current; Google, Inc. Site Reliability Engineer - Google Play, Google Ads Duties/experience: - SRE for Ads backends and pipelines - Help keep Android Play running - SRE Service owner for Play Games - C++ and Java backend maintenance work - Build tooling and infrastructure for Android backend services - Developer education and teaching for SRE-EDU Apr 03 - Apr 15; Vocal Technologies Associate - electrical engineer/ lead programmer Languages - C, various DSP assembly languages Duties/experience: - Linux development - ARM/MIPS/x86 device drivers, application layer, boot scripts, debugging, etc. - SIP protocol stack implementation - Cryptography - create specification for patient unique identifiers for Maryland State Health Care Commission (MHCC) - Design and implement AES/CCM cryptography subsystem as Linux device driver for ad-hoc mesh network packet radio - Implement MIL STD 16/32 kbps CVSD vocoder from specification - Develop signal processing library for medical artery elasticity measurement device - TI and ADI Blackfin DSP hardware bringup - ADI, TI, ARM, Microchip, and other DSP programming - Subband-based AEC (Acoustic Echo Cancellation) development - G168 echo cancellation algorithm development - Implement software encoder/decoder for (16x11)^2 turbo product code using extended Hamming subcodes - Data modulation maintenance and porting, V.21, V.23, V.22, V.32, V.34, V.90 and related data protocol schemes - Fax protocol and pump maintenance, V.27, V.29, V.17, V.33, V.34HD, T.30, T.31, T.32, T.4, T.6, and more - ILBC floating point to fixed point conversion - Voice coder performance optimization - PSTN FXO/FXS hardware design and bringup - Narrow band FM/FSK modulation/demodulation for RF links - RF hardware design (400 and 800 MHz range) - ATA hardware and software development Jan 95 - Current; Dentinmud Internet Services Owner - privately held company Languages - C/C++ Duties/experience: - Design, create and maintain multi-server MMO codebase in C/C++ - Develop and maintain cross platform libraries for Win32, MacOSX, and Linux - Creation and maintenance of cross platform GUI client - Responsible for web site, content additions, online servers - Manage backups, upgrades, and security fixes on servers - Design new additions and content - Improve accessibility for visually impaired users - Manage staff of ~20 volunteer builders Jun 97 - Sep 02; IBM, eServer division Software engineer for iSeries OS/400 operating system. Languages - C/C++, PPC assembly, PL/MP Duties/experience: - Design, add, and debug core operating system routines including interrupt handlers, process management, synchronization primitives, and low level statistics collection - Implementation of hardware multithreading support - Use DEV/2000 RCS as part of a strict defect process - Performance and systems analysis of OS/400 workloads Apr 96 - Apr 97; Geography Department at Utah State University Lead programmer for Mojave Georeferenced Bibliography Database. Languages - C/C++ Duties/experience: - Design and build a georeferenced database for research data, along with parsers for adding new entries and an HTML interface for access to the database. The majority of this project was written in GNU C++, and was ported to a number of operating systems, including AIX, ULTRIX, Linux, SunOs/Solaris, and Windows 95. May 94 - Sep 95; Utilities Department at University of Alaska Fairbanks Full time temporary assistant to site electrical engineer Duties/Experience: - Experience with Allen-Bradley Programmable Logic Controllers, wiring and installation of Square D 'PowerLogic' networking system. Was responsible for setup and programming of Square D circuit monitors and maintaining/upgrading network. Extensive work on General Electric switchgear and 10 MW steam turbine. Troubleshooting of ground faults, static excitation system, and control/metering circuits. Dec 93 - Jan 94; Professor Leroy Hulsey Assembly language programmer Languages - x86 Assembly Duties/Experience: - Write, test and debug assembly language library for use with Lahey Fortran. Routines included interfacing with HardLock security devices attached to printer ports, interrupt handling, disk I/O, writing mouse routines, and direct screen buffer access. Was responsible for final packaging of a product, and security on said product. Help facilitate upgrade of software to run under Windows 95. Miscellaneous Skills Extensive experience with C and C++ Experience with other languages, including a number of assembly languages and scripting languages such as Perl, PHP, and Bash Algorithm optimization Signal processing, including telephony, voice, and data modulations Cryptographic system design and implementation Hardware bringup of new custom boards RF hardware bringup/troubleshooting/analysis Algorithm implementation using fixed point math Creation of cross platform, end user GUI applications using WxWidgets Unix/Linux system administration Unix network and systems programming Education Spring 1997; Utah State University BS in electrical engineering, computer emphasis. Minors in math, physics, and computer science.