144 lines
6.5 KiB
Markdown
144 lines
6.5 KiB
Markdown
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__Programmer / Systems Administrator__
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__coydog {at} devio {dot} us__
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#### SUMMARY:
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Versatile problem solver, emphasizing security, stability, and portability.
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Broad experience with applications development and systems administration using
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BSD, GNU/Linux, Unix, free and open source software, and Microsoft platforms.
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Skilled in computer security and privacy, disk imaging, and software-based data
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recovery. Strong customer service skills. Excellent written and verbal
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communication.
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#### PROFESSIONAL EXPERIENCE:
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__Coydog Software__
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__Developer / Proprietor__
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(2012 - present)
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Developed mobile Android applications (TCP portscanner, GPL-licensed live
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wallpaper) in Java with Eclipse and Android SDK for sale on [Google Play
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store.](https://play.google.com/store/apps/developer?id=Coydog+Software)
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__Starbucks Coffee Company__
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__Barista__
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(2006 - present)
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Provided excellent customer service, focusing on internal standards compliance.
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__Pyramid Digital Solutions__
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__Software Developer / Programmer__
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(2000 - 2004)
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Maintained and enhanced a roughly 3/4 million line Win32 C++ shared codebase
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comprising CGI applications, a voice response unit (VRU), and an MFC data
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conversion application. Interfaced directly with customers on sensitive issues
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requiring close communication between developer and client.
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Developed middleware and web user interfaces in Visual Studio for SunGard EBS
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OmniPlan / OmniPlus retirement benefits recordkeeping systems. Maintained
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monolithic native C++ IIS CGI applications enabling customer service
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representatives, 401(k) plan administrators, and plan participants to view and
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modify retirement plan data. Worked closely with in-house business analysts and
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customer teams to translate domain knowledge and business needs into software
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specifications and implementations.
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* Implemented comment functionality in proprietary scripting engine for CGI
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applications.
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* Implemented event-driven finite state machine XML parser with expat to handle
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payroll input documents too large for MSXML DOM parsing.
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* Brought application XML output into standard compliance.
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* Profiled desktop and CGI applications to identify performance bottlenecks.
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* Provided user-configurable colors for graphs with GSW library.
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* Designed generic character and string sanitation / escaping / encoding
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functionality to enhance standards compliance and functionality of entire
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product suite for XML, HTML, URL, and configuration handling.
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* Implemented Dialed Number Identification System (DNIS) functionality for VRU
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using Purple Dog Software API.
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* Wrote internal and end-user documentation for all fixes and enhancements.
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* Identified and fixed GUI threading issues in Win32 MFC desktop application.
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* Tracked and documented revisions in Visual SourceSafe.
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* Maintained and enhanced in-house bug tracking and customer relationship
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management web application in ColdFusion and MS SQL Server.
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__The MATRIX, Inc__
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__Programmer / Systems Administrator__
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(1999)
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* Developed data-driven customer web sites in HTML and ColdFusion with
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SQL/ODBC.
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* Implemented secure e-commerce sites with credit card processing via web
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services over SSL.
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* Administrated HTTP/HTTPS (Apache, IIS, O'Reilly), DNS (BIND), SMTP
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(Sendmail), and POP3 (Courier) for 765 users and 192 domains.
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* Improved service availability and performance by migrating legacy Windows NT
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4.0/3.51 infrastructure to FreeBSD and OpenBSD.
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* Optimized DNS zone cache times to improve propagation of customer-requested
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changes.
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* Performed onsite network maintenance for corporate clients in heterogeneous
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environments (SCO Unix, various MS platforms).
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__Westinghouse__
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__Intern__
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(1998)
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Assisted staff with systems and network administration tasks in a Windows NT
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4.0/Cisco/Bay Networks environment. Built inventory database in MS Access. Ran
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network cable. Resolved helpdesk issues.
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#### OPEN SOURCE / COMMUNITY PROJECTS:
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__ZMap project (University of Michigan)__
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__Volunteer C programmer__
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(2013 - present)
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Ported zmap multithreaded network scanner from Linux/gcc to FreeBSD/clang.
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Replaced Linux raw sockets interface with more portable pcap API and packet
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crafting. Implemented portable protocol header structs using C99 stdint types
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to replace Linux-specific system structs.
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[Port repository](https://github.com/coydog/zmap-freebsd)
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__Gentoo Foundation__
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__Volunteer C programmer__
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(2012 - present)
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Submitted patches for legacy X11 system load monitor applications. Fixed bugs
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including data type issues on 64-bit architectures with greater system
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resources than were possible on original i386 platform, and issues with the
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ever-evolving Linux procfs API. *Not an offical Gentoo developer.* Resolved the
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following tickets:
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[404323](https://bugs.gentoo.org/show_bug.cgi?id=404323)
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[407325](https://bugs.gentoo.org/show_bug.cgi?id=407325)
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[410093](https://bugs.gentoo.org/show_bug.cgi?id=410093)
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#### Independent projects
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(1999 - present)
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* Developed audiosniff, a network monitor in C that represents network traffic
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as audio tones to aid network troubleshooting and development. Audiosniff
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intercepts traffic using pcap and outputs tones with the speaker driver of
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FreeBSD, NetBSD, or OpenBSD. Ported audiosniff to Linux by implementing a DSP
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sine wave tone generator using the portaudio library.
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[Repository](https://github.com/coydog/audiosniff)
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* Developed fouriergen, a simple DSP synthesizer capable of harmonies, to
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enable music composition using shell scripting.
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* Wrote breaknode.py, a Python script to test Node.js HTTP servers for
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vulnerability to the request pipelining denial of service attack in versions
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prior to October 2013.
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* Updated legacy ypsnarf security auditing tool for NIS+ for modern Solaris
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derivatives. Ported the tool to Linux. [Repository](https://github.com/coydog/ypsnarf-2013)
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* Developed utilities using C and Bash shell scripting for drive imaging and
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backups on Linux, BSD, and Mac OS X. Utilities wipe free space, image the
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storage device using dd, and compress with gzip or bzip2, using a
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cryptographic hash for integrity checking.
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* Conducted research into improving performance of consumer-market routers by
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offloading DHCP and DNS services onto NetBSD-current/evbarm on RaspberryPi.
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* Implemented MP3 player with web browser interface for home stereo system,
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using FreeBSD 3.4, Perl CGI scripts, and MySQL on a headless PC.
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* Wrote a portable TCP portscanner, compatible with most Unix systems, Linux,
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Windows, and VMS. [Repository](https://github.com/coydog/drunkscan)
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* Implemented an RSS reader in PHP.
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