Protocol reverse engineering, and writing parsers and dissectors.

High performance C++ server software, Python and Golang client tooling and data analysis, large-scale batch / scheduling systems. Responsible for keeping the batch job scheduling system running 24x7.Developed Kafka data pipelines. Spent 9 months in South Korea, assisting in the bring-up of a production software system.Recipient of “Cheers for Peers” recognition for excellent customer service.

GNU Make build system speed improvements, Python and Go (golang) tools for data analysis, set up of Git and Jenkins infrastructure.

Develop, deliver, and maintain a software system for hunting Advanced Persistent Threats.Big data with Elasticsearch, using Python and Go (golang) in a Linux-based AWS cloud environment. Managed terabytes of data.Maintain a Windows client in C++, modifying both user space and kernel drivers.Maintain a Python, Flask, and jQuery-based web portal.Streamline the continuous integration system, using buildbot and cloud services.Engineering Employee of the month, Jan 2016, for service excellence to a customer

Improving developer productivity by implementing Electric Cloud's Electric Accelerator (emake) build tool for building embedded operating systems. Working with engineering leads to craft the best user experience for easily using emake.Agile scrum architect for virtualization team and commit automation team.Improve user experience of developers and testers by providing Python-based tools to manage virtual Cisco hardware and virtual topologies.Create software development solutions for Cisco's engineers.Designing and enhancing build systems and software tool systems to make them more robust and faster for 6,000+ engineers.Improved software development productivity by solving a SDLC metadata problem with a Python-based REST-API database service. Work on low-level Python and C-language utilities manipulating ELF files, comparing binaries, analyzing builds, etc.Member of two software tools architectural boards, and build system board, guiding the vision and direction of the software tools department.Instrumental in improving the software development methodology across teams in Cisco.Lead investigations and analyses into process issues regarding tools distribution and interaction, and workflow issues faced by Cisco's engineers.Wrote many tools like instmake, as well as others, to analyze and improve the builds for engineers.Re-engineered the IOS build system to remove race conditions and improve the efficiency of multi-image builds.Spent two years on an international assignment in Bangalore, India, leading a project and developing skill-sets in the department. For six months I was as interim manager of an SCM team developing Clearcase-related tools.

Developed software build systems.Maintained GNU Make system and ran weekly builds on AIX, Solaris, Windows, OS/2, and HP-UX.Developed new build tools in Perl and Python.Entered Python-based build tool in Software Carpentry competition; received honorable mention.

Database programmer in FoxPro.Wrote data analyis prorgrams in SAS and FOCUS on MVS (IBM mainframe)Tools writer, manipulating datasets in Perl and C++.Unix admin (AIX, Linux)Windows NT and Novell NetWare adminNetwork admin, including using packet sniffers to diagnose problems

Database programmer in FoxProUnix admin (SunOS)General troubleshooter for all Windows and Mac machines for a small research group.