David Pridgen Email & Phone Number

Cambridge, Massachusetts, Us

I will be leading the effort to implement CI/CD pipeline and infrastructure for ML operations.

Armonk, New York, Ny, Us

Worked as part of a devops team developing next gen monitoring solutions for IBM's hybrid cloud infrastructure using Zabbix. Worked on automation of Zabbix deployments using ansible and kubernetes. Other tools used include vagrant and docker for local testing.

North Hills, New York, Us

Building, improving and maintaining the monitoring infrastructure for Dealertrack's family of SaaS applications. Working with the development teams to provide comprehensive instrumentation and monitoring capabilities to provide the best visibility into application performance and delivery of services.Senior Monitoring EngineerAdministration, development and support of all systems and application monitoring using Nagios, Splunk, New Relic, Datadog, BMC Patrol and other tools to provide timely alerting to potential problems in a multi stack mixed linux and windows application environment. Successfully sunsetted legacy BMC Patrol monitoring resulting in significant cost savings.Migrated existing splunk architecture from single search head and single indexer to multiple pooled search heads and indexers providing increased stability.Provided tier 3 support for all monitoring tools.Worked with software development, database, and storage teams to implement new monitoring as needed based on best practices and root cause analysis.Senior ProductionEngineerWorked for the production engineering team to implement and deploy the application infrastructure for multiple application stacks in a devops environment, maintained multiple dynamic application stacks from pre-production to production. Used multiple tools such as Saltstack, Git, and Rundeck to provide automated building of different server types in a VMware environmentProvided tier 3 linux and application support for the company’s Saas applications.

Toronto, Ontario, Ca

Part of a global team providing for the support, development, integration and management of the enterprise monitoring systems used within RBC Capital Markets. These systems include Nagios, Groundwork, Solarwinds, Netcool Omnibus, Splunk, SCOM, Cactii, Ganglia, Tibco Hawk, Managed Objects, Tidal Software, ITRS/Geneoss and others.• Learned and supported a diverse set of legacy monitoring tools across a global support environment consisting of over 6000 servers. Monitoring systems included Nagios/Groundwork, MOM, SCOM, NetIQ Managed Objects, Splunk, Omnibus, Ganglia and Geneos ITRS. • Implemented numerous improvements to existing monitoring environment including new custom developed plugins for Nagios, implementation of scripts for distribution of changes to monitoring across multiple disparate environments globally, and implementation of new global infrastructure for self service Geneos ITRS monitoring environment for various business groups within Capital Markets. • Mentored and trained new junior members of the team to provide support and development in the monitoring environment.• Developed and documented policies and procedures for global system monitoring using various tools including scripting in shell, perl, and other unix tools and documentation tools such as Jira and Confluence.• Evaluated new monitoring tools including doing proof of concept projects using the new tools. Evaluations included tools such as Splunk, Ganglia, and Groundwork 7. • Worked with integrating monitoring tools with various configuration management databases to provide automated infrastructure monitoring for newly built systems and automating the configuration of monitoring.• Provided tier 3 support for monitoring systems to business stakeholders to ensure that severity 1 and 2 events were either known about at the time of occurrence or new procedures were implemented to monitor for specific failure modes.

New York, Ny, Us

Tier 3 Support for Westhighland Remote Clients.When I wasn’t onsite with a specific client• Provided Tier 3 support for West Highland’s remotely monitored clients. This included troubleshooting and break/fix for remote customers’ RMDS and SMDS market data distribution platforms. • Designed tools and test procedures to analyze latency issues within the RMDS environment and documented procedures to institute latency monitoring. • Analyzed and correlated the results of latency testing with collected system and network statistics and wrote a technical brief documenting the results and recommendations for reducing latency with the RMDS architecture for the client. • Implemented Splunk based monitoring system for a client’s FIX based Order Routing System.• Designed and implemented network for new RMDS backbone.• Specified and implemented new network monitoring solution for the NOC (Intermapper).• UNIX/Linux system administration for remote client’s RMDS and SMDS hosts including shell scripting for process start/stops, monitoring, and other administrative tasks.• Network administration, monitoring and reporting for West Highland’s NY network and one of the clients RMDS backbone network.

New York, Ny, Us

Provided active daily remote support for a NYSE client’s hosted wombat environment including implementation and testing/troubleshooting. Network backbone in all environments was based on Voltaire Infiniband 10Gig switches, transport was WMW, utilizing multicast over Infiniband. Nagios was used as monitoring tool with custom nrpe plugin's. Feeds supported/implemented: Opra, TVITCH, UTDF/UQDF,NYSEOBAXDP, TDDS/BDBS, Hamweck Interest Rate, NASDAQLS, GIF, ICE, Superfeed • Implementation support included determination and implementation of regex splits at both the feed and MTE level for performance reasons. • Implementation of process and interrupt binding to address performance issues.• Implementation and testing of new feeds. (Opra, etc.) • Implementation and testing of translation capabilities of MTE's and interfacing with Development to resolve issues. • Updating documentation. • Creating, responding to, and updating tickets in the issue tracking system (jira based wiki) • Creating properly documented change control request for implementation of new features, or bug fixes. • Creating and updating shell and perl scripts to aid administration of the environment. • Creation and modification of existing morning monitoring scripts and nagios probes to provide additional monitoring and notification capabilities.

New York, Ny, Us

• Designed and implemented a Benchmark and Functionality project plan for Bloomberg’s new RMDS feed handler.• Analyzed and correlated the benchmark results with collected system and network statistics.• Wrote 40 page technical brief documenting the test procedures, results and findings for the client.

Boadilla Del Monte, Madrid, Es

• Planned and implemented conversion from a single flat network of over 600 devices based on 3com hubs and switches to switched/routed network based on Extreme Networks layer 3 switches and HP layer 2 switches with over 20 VLAN’s.• Migrated existing vendor private LAN connections to firewalled connections. I also implemented all new connections as firewalled connections using Cisco routers and Nokia/Checkpoint firewall appliances.• Discovered and documented entire network infrastructure including application infrastructures using Visio and various other tools. Also responsible for maintaining documentation library for auditing purposes. There was no documentation when I started.• Implemented a database based syslog server using MySQL and syslog-ng for all UNIX servers and switches. Providing much greater visibility into critical events.• Wrote and implemented application monitoring scripts for mission critical application using Perl and shell scripting to provide notification in the event of application outages.• Implemented and supported iPrism web monitoring appliance, Webshield email virus scanning appliance, and Securify Network policy management appliance. Providing much greater protection against network intrusions.• Migrated user community from SNA based ADP connectivity to tn3270 based connectivity. I also rewrote the batch processes based on the older connectivity to take advantage of the new TCP/IP based connection. Created shell based daemons to reprocess the files using nawk to provide the files to the users in the same format as they were received prior to the conversion.

New York, Ny, Us

• Consolidated Triarch market data system, reducing servers by over 50%• Implemented NetAgent monitoring system on Triarch with integration to Corporate Tivoli monitoring system.• Implemented numerous contribution systems to provide internal market data to vendors.• Implemented Global Electronic Messaging system to promote communication between business groups worldwide.• Provided 3rd tier support for all market data systems; managing a staff of four consultants at 2nd tier and achieving nearly 100% uptime.

• Increased regional sales from $1.5 million to $6 million• Established Applix Realtime as the standard Realtime spreadsheet for NY financial industry.• Managed all Application Engineers in North America.

Waterloo, Ontario, Ca

• Provided sales and development support for UNIX based Database and development products in Northeast and Northwest territories.• Assisted in developing Cleanup tracking system for Rocky Mountain Arsenal in Denver, CO.• Provided development support for Unify’s products to Defense Logistics Agency in Ogden, UT.

• Managed databases and UNIX systems for Telemarketing firm attaining 99% uptime targets.• Built and installed new systems and trained users on new telemarketing systems in Honolulu, Hawaii, and new offices in Seattle and Purdy, WA.