Tom Chisholm Email & Phone Number

Portland, OR, US

Minneapolis, Minnesota, US

Arlington, Virginia, US

Vernon Hills, IL, US

Wisconsin Rapids, WI, US

Part of an international team responsible for multi-year project migrating Renaissance applications from DC to AWS. Heavy emphasis on data engineering and data delivery. Agile shop.Regular duties: Tier 1,2,3 support for Linux and Windows nodesOverseeing code deployments to Production Source management (including GitFlow)Environment management (dev.

Chicago, IL, US

Part of a small team dedicated to automating client installations and monitoring of all RDBMs. Duties include: Tier 2 and 3 database support for 27 discrete production environments. Tier 1 and 2 Linux administration. Nagios administration. Puppet development and administration. Server build-out and monitoring. Extensive Powershell and Puppet automation.

(Contract) Ground-floor work on designing AWS VPC, building image templates for developers, and work on CD/CI pipeline. Tools used: EC2, S3, RDS, VPC, OpsWorks, MongoDB, SQL Server,.NET/Open Source Stack.

Lake Oswego, Oregon, US

• Database and Infrastructure responsibility for a 24x7 IT production environment supporting real-time payment processing systems. Environment spans 5 datacenters, over multiple geographical locations. Included is.
• Management and oversight of all datacenter infrastructure server and SAN systems. Includes: -Multiple VMWare farms for production and back-office systems -All SAN and NAS storage, enterprise-wide -All physical.
• Ensured customer SLA and up-time requirements were met
• Introduced and hosted the daily company-wide Standup—an operations-focused open meeting concentrated on solving current issues, operational challenges, current IT projects, and upcoming code deployments. Typical.
• Merged and integrated storage and DBA teams to improve transactional performance through coordinated vertical tuning and monitoring. Increased efficiency of snapclones by creating collaborative engagement between SAN.
• Implemented IT workflow tool (Trello) for planning, tracking, and visibility of Infrastructure and DBA projects

Lake Oswego, Oregon, US

• Responsible for the overall management, security, robustness, stability and policies governing the global 24/7 production database services. Manage team in addition to serving as an individual contributor. No external.
• Ownership of all data servers in Production, UAT, QA and Development environments, in one local and three remote datacenters. Included HA clusters, standalones, virtual and physical
• Provided services and SLAs to internal business owners. Includes: Finance, Marketing, Engineering, DevOps, Risk Management, Security and QA
• Designed and built-out HA data layer in three separate remote production sites
• Designed and implemented data layer for enterprise-wide Disaster Recovery solution between remote production sites
• Successfully migrated all production databases from standalones to clusters over a period of eight months

Lake Oswego, Oregon, US

• Performed functional and performance testing for production database code drops; responsible for testing of all fraud detection code
• Participated in monthly production maintenances and after-hours code deployments; worked closely with production DBAs to verify functionality and performance of post-deployment code
• Reduced total testing time for code drops by introducing database snapshots as an integrated part of QA testing.
• Researched, tested and oversaw production data server upgrades and database migration from SQL Server 2000-2005.
• Designed and executed test plans against three separate storage vendors using SQLIO and Iometer; built database to capture, aggregate and analyze test data; presented test results to management to guide purchase.
• Regular collaboration with remote development and QA teams

• Responsible for daily, weekly and monthly maintenance cycles on 8 database servers, 50+ databases. Includes off-site backups, transactional backups, replication, log file maintenance, and index maintenance.
• Designed and developed a publish-on-demand import system utilizing File Transport Protocol, SQL Server DTS and integration with Google Maps API. Application allowed graphical representation of client retail outlets.
• Optimized clients’ databases through SQL query optimization, normalizing data structures, indexing, and routine profiling
• Created import ETL processes that import, process and distribute client records in a timely, accurate and secure manner. Export ETL processes created for client sales affiliates, distribution centers, offline database.
• Gathered business requirement reports and use cases for physical/logical data modeling. Designed and developed OLTP databases for online e-commerce clients.
• Designed and developed data structures for CRM, invoicing, and data warehousing modules.