Engineering Manager across several teams, including the Cultural Knowledge team (via Spotify acquisition of The Echo Nest)- Apache Crunch for MapReduce pipelines- Apache Solr for real-time data insights and analysis- Apache Cassandra for distributed data services- Migration of Big Data on-premise infrastructure to Google Cloud Platform, including Dataflow (via Beam/Scio), BigQuery, Dataproc, BigTable, etc...

- Leader of a development team managing the stability and scalability of core “big data” assets- Responsible for setting data architecture design direction- Managing multiple critical performance enhancement and reliability improvement projects- Responsible for entire suite of customized Solr servers, MySQL servers and read-through Redis caches

- Algorithm design, implementation and performance optimization and scaling of custom Java Solr / Lucene search and similarity components- Prototyping Cassandra-based strategy for multi-datacenter, high-rate event store with a custom Java event summarization component that also leverages MySQL and Redis data sources- Contributed code back to Open Source projects, including Solr and Cassandra's Python driver- Creation of realistic statistical-user-model-based performance test suite for API-facing load generation and performance testing- Creation of massively scalable, variable-rate log playback performance test suite for backend server load generation

- Visualization team lead for software integration and development effort, managing requirements, estimation, scheduling and tasking for a team of five developers along with mitigating the difficulty of 3rd-party “dynamic” code-base integration- Lead of an in-house “AppStore” / Code-Exchange project from inception, through requirements solicitation, planning and development and on to its current pilot-production status, managing a small but frequently changing team of contributors and developers and taking responsibility for budget and resource management of the project- Co-lead of the ‘Software Engineering at Lincoln’ study and discussion group for fostering the practice of Software Engineering in a challenging, government R&D focused environment- Planning board member for Lincoln’s annual ‘Software Engineering Symposium’ to promote best practice adoption and knowledge transfer among our growing number of developers- Java message processor for ingesting and augmenting high-rate record receipt for MySQL storage and retrieval, based around personal contributions made to the Apache Camel project and utilizing BeanIO and MyBatis for message parsing and database interaction- Java development for Lucene/Oracle based custom software designed to ingest, index and provide faceted search and custom analysis capabilities for large amounts of textual data- Java enterprise messaging integration, bridging custom XML backend processing with front-end JavaScript development of multiple visualization tools to display high-rate, mission-critical sensor data in a customizable user facing web-portal, including experimental use of CometD based WebSockets for efficient browser/server messaging- Java and C++ development of custom mobile Android applications focused on enabling robust and delay-tolerant ad-hoc mesh wireless networking (patent pending)- Java and JSP customization of Liferay Java-based open source content management system

- Research and analyze new methods for provisioning, grooming and adding resiliency to large high-speed optical networks, including generation and verification of OPNET simulations and traffic models- Responsible for designing and managing a high-speed SONET backbone network including the use of specialized link emulators that induce typical satellite characteristics such as Doppler, delay, jitter and BER - Review, test and make recommendations towards the development of custom hardware and networking protocol design proposals, including ensuring compliance with various current and upcoming standards- Program, automate and analyze the results of extensive testing procedures to ensure that custom designed hardware and protocols conform and perform to stated requirements as well as relevant standards and RFCs- Design, implement and maintain both production networks as well as various lab and test networks

- Facilitated classroom and lab assignment learning, managed student records, and contributed to curriculum- Maintained large networking lab of Ethernet, ATM, ISDN and PDH interconnected routers and switches

Voice Engineering: IP Telephony Research and Implementation - Summer/Winter Intern 2002/2003Data Warehousing: Oracle PL/SQL and MS Access / VB - Summer Intern 2001

Responsible for linux system administration of web hosting, DNS, mail infrastructure as well as network administration of dialup MUX, ISDN and T1/PDH equipment