Site Reliability Engineer (SRE) and Performance Engineer focused on improving the reliability and performance of MarkLogic clusters and healthcare.gov. Manage over two dozen MarkLogic clusters, and a production cluster of over 180 servers serving Internet scale traffic. Developed and maintain Splunk and New Relic dashboards and alerts to support operations and monitoring, incident response, and performance engineering efforts. Conduct code reviews for all XQuery maintained on the program.Previously, a systems architect and developer for an effort to migrate applications from Oracle to MarkLogic. Developed custom REST endpoints, XQuery and XSLT modules, and improved the throughput of client data migration and ETL into MarkLogic to be 20 times faster.

Technology consultant providing programming and systems engineering for a variety of government clients in the DoD and Intelligence Community and numerous intelligence production and dissemination systems.• Data ingestion lead for a team of ten engineers to configure hundreds of disparate data sources using Pentaho Kettle ETL to load data into an Accumulo data store and index into Solr Cloud.• Technical lead for a team that developed automation solutions utilizing Java, XSLT, SharePoint, and Word VBA for a US Government intelligence production and dissemination division.• Led a team in the design and development of a system to provide a catalog of finished intelligence products providing full-text and fielded search, leveraging Oracle, Solr, and Java to expose web services and a dynamic website leveraging Ext JS.• Developed a service to convert IC-HTML metadata into schema and schematron validated PUBS.XML format for registration in the Library of National Intelligence.• Developed and maintained W3C schema and schematron validation rules for Intelligence Community and DoD data standards for enterprise data exchange.• Technical lead for a development team that managed SharePoint portals on multiple classified networks to improve data discovery and information management capabilities. Greatly reduced data storage requirements and developed automated solutions for populating site content.• Lead software engineer for an enterprise web service to provide metadata extraction and semantic enrichment of unstructured text to produce OWL/RDF and PUBS.XML output. Developed a web interface to visualize and interact with the extracted entities.• Developer and engineer for an XML authoring environment for the production of analytic intelligence production. Developed XSLT stylesheets to render HTML and PDF.• Instructed a weeklong course on the application of XML, XPath, XSLT, and XSL-FO.

Provided on-site development and technical support for an application to review and process public tips for a US Government customer. Developed application enhancements that included workflow, auditing, automated Word document creation, search, and user interface enhancements.

Provided technical consulting on a temp-to-perm basis. Converted to full-time ATS employee.

Lead support engineer for a public real estate website and internal applications. Responsible for resolving issues and making improvements to applications comprised of ASP, VB COM, SQL Server, and Exchange.

Full lifecycle developer for an Application Service Provider in a three-tiered environment. Developed ASP pages using JavaScript and VB Script, VB COM components, and stored procedures and triggers in SQL Server.

Provided Windows NT administration to ensure security, Y2K compliance, and data migration activities of a complete trust multiple domain network.