Mark Susol

Data Engineering • Data Visualization • Data Science


Data Infrastructure Engineer, September 2015 – Present
Google Inc., Mountain View, CA

Software Engineer, September 2013 – September 2015
Cognizant Technology Solutions, San Ramon, CA

    Cloudfire Platform Engineering at Symantec Global HQ (Mountain View, CA)
    • Developed Django app/dashboard with REST API for displaying CPE Service Health Status and Metrics.
    gTech Engineering Business Intelligence at Google Global HQ (Mountain View, CA)
    • Developed software in Javascript, Python and Go using Test Driven Development (TDD).
    • Conversion of operational ETL pipeline from Python workflow to Pipewrench (PatchPanel) workflow.
    • Added, Modified, or Deprecated multiple ETL processes to include MapReduce in Python and Go.
    • Enhanced Third Party data through Exploratory Data Analysis (EDA) using Google search in ETL pipeline.
    • Conversion of operational ETL binaries from Sawzall to Go lang (~10k lines of code).
    • Build internal Business Intelligence tools using Google’s App Engine integrated with Google Data Services.
    • Developed visualization dashboards using Aplos and Google’s Dashboard for ETL pipeline quality monitoring.
    • Experienced with Google’s internal bug tracking, code review, and version control software for each project.
    • Worked directly with Third Party data vendors to establish FTP acquisition and ETL pipeline data importation.

Software Engineer, February 2012 – September 2013
REI Systems, Sterling, VA

    Enterprise System Development Office (ESDO) at US Department of Homeland Security (District of Columbia)
    • Supporting the 13 federal agencies inclusive of DHS in Drupal Website-Content-Management-as-a-Service (WCMaaS)
    • Deploying and maintaining Testing, Staging and Production environments on the CGI Federal Cloud.
    • Experienced with continuous integration systems (Bamboo) and version control/management (Git).
    • Onboarding new tenant technologies through linux server installation and configuration (Tomcat, MongoDB, Node.js)
    • Daily operations and maintenance support of tenants through JIRA issue tracking software.
    • Working remotely from REI office with travel to DHS HQ, Daily SCRUM and tenant/consultant meetings by phone.
    GovDashboard, Software-as-a-Service (SaaS) for Business Intelligence Visualizations.
    • Development of open source SaaS for REI’s performance analysis tool extending the core Drupal CMS platform.
    • Developed OOP software in Python for Predictive Analytics; Logistic & Multivariate Linear Regression Regression.
    • Developed interactive data visualizations using AJAX, Drupal’s restAPI, HighCharts and D3.js graphing libraries.
    • Developed custom drupal module for FISMA security policies for REI’s federal agency sites.
    • Experienced with continuous integration systems (Hudson) and version control/management (Subversion).

Web Developer - Owner, July 2003 – January 2012
dba Ultimate Creative Media, Frederick, MD

  • Founded a marketing business for the development of advertising media for small businesses.
  • Designed business identities and media presence through a partnership with experienced Graphic Artist.
  • Developed and maintained business websites for information, e-commerce, forums, and blogging.
  • Provided website hosting services and maintenance for business websites including HTTPS.
  • Deployed, administered and troubleshot Linux (SuSE) production server for large personal phpBB site.

Web Developer - Owner, January 2000 – December 2011
dba, Frederick, MD

  • Founded a phpBB forum for Dressage enthusiasts that has grown into one of the largest available social communities.
  • Developed custom modifications allowing for subscriptions based registration and classified advertising.
  • Social Media Banner Ad advertising deployed using OpenX ad server integrated with phpBB.
  • Installation and remote maintenance of Linux based (SuSE) production server through collocation.


Meetup: Data Science for Sustainability, Big Data Developers Silicon Valley, Silicon Valley Big Data Science, 2014-2015
Meetup: Data Science DC, Data Visualization DC, Hadoop-DC, NOVA-Python, Statistical Programming DC, 2013
GitHub Repositories: Study and Development Projects, 2013-2015
Coursera: Regression Models, Brian Caffo, PhD, Roger D. Peng, PhD, Jeff Leek, PhD, Johns Hopkins University, 2015
Coursera: Getting and Cleaning Data, Roger D. Peng, Jeff Leek, & Brian Caffo, Johns Hopkins University, 2014
Coursera: Exploratory Data Analysis, Roger D. Peng, Jeff Leek, & Brian Caffo, Johns Hopkins University, 2014
Coursera: R Programming, Roger D. Peng, Jeff Leek, & Brian Caffo, Johns Hopkins University, 2014
Coursera: Algorithms: Design and Analysis, Part 1, by Tim Roughgarden, Stanford University, 2014
Coursera: Introduction to Data Science, by Bill Howe, University of Washington, 2013
Coursera: Machine Learning, by Andrew Ng, Stanford University, 2013


Web Developer - Board of Directors, January 2000 – December 2005
CDCTA - 501(c)(3), Culpepper, VA

  • Responsible for the design and development of the organization’s website using PHP & MySQL technologies.
  • Developed an extensive custom CMS allowing each board member to control website content through user authentication.
  • Additionally developed e-mail based marketing and e-newsletter program through the CMS programming.
  • Awarded “Volunteer of the Year” in 2005 for these contributions to the organization.


  • Masters of Science, Applied Physics 1995 : University of Maryland Baltimore County
  • Bachelor of Arts, Physics 1992 : University of Maryland Baltimore County


  • Bakhshai A, Soika V, Susol MA, Takacs L. J Solid State Chem 2000;153:371.
  • Takacs L, Susol MA. J Solid State Chem 1996;121:394.
  • Takacs L, Susol MA. Mater Sci Forum 1996;225-227:559.
  • Susol MA. MS thesis, Univ. Maryland, Baltimore County, 1995.