John Caffrey Email & Phone Number

Seattle, Wa, Us

Austin, Texas, Us

Austin, Texas, Us

Austin, Texas, Us

Westlake, Texas, Us

Detroit, Michigan, Us

Lead a team of technically and globally diverse engineers across multiple time zones and countries to produce mission critical enterprise platforms capable of supporting all aspects of the business• Transitioned Hadoop from an EDW only service to a horizontal service available across all IT business functions• Maintained a wide range of technical concepts, driving design validations and challenging the team to look at all design aspects• Ensured ample capacity was available ahead of demand and updated to the latest standards by building annual roadmaps for owned technologies• Provided overall technology delivery services, supporting infrastructure planning, technical architecture, environment management, deployment and systems management• Managed partnerships with vendors across the full lifecycle, ensuring providers meet their SLA targets and that their roadmaps are in sync with our requirements• Owned the internal product roadmap and determined updates and new products would be introduced into the environment

Detroit, Michigan, Us

Lead architect for initial deployment and implementation of Hadoop as a core component of a logical data warehouse• Integration of Hadoop, ETL, Teradata and various analytics platforms into a single cohesive Data Warehouse environment• Implementation and performance optimization of multiple Hadoop clusters. Improved baseline performance benchmarks 4x from vendor delivery state• Assessed new technology offerings to ensure they meet requirements• Provided direction to vendors on roadmap prioritization and technical requirements

Houston, Texas, Us

• Defined the reference architecture for Big Data deployments, providing a scalable, reliable supportable and performance optimized platform for Cloudera, MapR and Cassandra.• Trained Deployment & Support staff on Big Data Technologies.• Led initial infrastructure deployments of both Cloudera and MapR within HP IT

Round Rock, Texas, Us

• Facilitate smooth technological integration of newly acquired subsidiaries to the Dell Services organization.• Globally responsible for technology direction, architecture, and product evaluations of Dell’s next generation SaaS Infrastructure throughout multiple data center and colo facilities worldwide.• Analyzed, designed and migrated off several thousand existing rack mounted servers to more cost effective blade/virtual systems and iSCSI storage, realizing a 70% - 80% reduction in datacenter footprint. In addition, operating margin was significantly improved while offering greater flexibility and reducing downtime. • Standardized and optimized data center infrastructure including the existing Microsoft FAST Enterprise Search infrastructure which comprises a large percentage of hardware.• Designed the next generation Fast Enterprise Search architecture with an emphasis on providing greater scalability, reliability and ease in maintainability and supportability. • Led application upgrades and rollouts for Dell MessageOne EMS product across all global data centers.• Guided software development roadmap to ensure cohesion with systems infrastructure roadmap and alignment of the Dell MessageOne product.• Collaborated with software development and customer support teams to troubleshoot and resolve customer issues assuring superior end user experience. • Engaged with executives of major customers at the Dell Executive Briefing Center.

Round Rock, Texas, Us

• Deployed multiple Oracle Megagrid’s (large scale RAC clusters) used to consolidate Dell’s Oracle database infrastructure and dramatically reduce database infrastructure requests time to deliver.• Migrated a large Sun Solaris environment (120+ servers) from Solaris to Linux on Dell hardware with minimal downtime which led to a significant reduction in support costs whilst improving performance and scalability.• Migrated data from a large (~1PB) Sun storage environment to EMC Symmetrix with minimum downtime which led to a significant reduction in both planned and unplanned downtime.• Deployed numerous large scale Oracle 9i - 11g RAC clusters on a Linux platform.• Developed a standard design and deployment methodology for Oracle clusters on Linux which lead to a reduction in delivery time and improved supportability of the platform.• Designed and implemented a production Solaris environment Disaster Recovery plan.

Round Rock, Texas, Us

• Unix Systems Engineers responsible for the design, deployment and maintenance of a large scale (4 E10K’s) enterprise Solaris environment.• Design and implementation of campus wide backup infrastructure.• Design and implementation of a Unix infrastructure for EMEA order management system providing a scalable and performant platform which allowed all users to be migrated to a single order management system.• Migration of older generation (E5K - E65K) Sun systems to E10K domains.• Implementation of Dell SAN storage on Sun Solaris Systems, dramatically reducing storage costs for non production environments.• Implementation of Oracle OPS Campus Cluster.