John Lim Email & Phone Number

Atlanta, Georgia, United States

Atlanta, Georgia, United States

Enterprise Data Pipeline - Team Management, Architecture, and Administration- Responsible for the design, performance, implementation, scaling, and upgrades of a Splunk/Cribl hybrid implementation, servicing Security and Operations teams.- Proficient in the architecture, engineering and day-to-day operations of data pipelining solutions, with the goal of driving business value through data filtering and enhancement.- Day to day management for a team of Splunk/Cribl Administrators, Knowledge Managers, and Data Onboarding Specialists to ensure the delivery of best practices and standards to users.- Responsible for driving long term projects and maintaining relationships with diverse internal stakeholders, in order to align platform deliverables with business requirements.- Implementation of ingest control monitors and processes for efficient data intake, change control, and license compliance.- Hands-on installation, configuration, and maintenance via CLI for Splunk/Cribl platform components in a distributed deployment.- Proficiency in a wide range of data ingestion and transport processes. - Proficiency in writing Cribl Stream queries for data routing and pipelining.- Ability to deconstruct and debug complex Splunk queries to provide observability and correlation.- Experience managing hundreds of Universal Forwarders through complex deployment server configurations.

Greater New York City Area

Splunk Data Pipeline Administration- Proficient in forwarder troubleshooting through the use of Splunk diagnostics, knowledge of .conf files, and researching _internal logs. - Reduced on-premise Splunk host footprint through data migration projects, through migrating users and all their data to Enterprise Splunk Cloud. - Proficient in both universal forwarder and HTTP Event Collector data onboarding for specialized container technologies such as Docker (Logging Driver) and Kubernetes (Splunk Connect). - Worked with onboarding different kinds of logs from disparate sources including CSV, nested JSON, XML, and regular text files.- Created proper index-time parsing rules for custom sourcetypes (time stamping, time format, time zone, line merge and breaking)Splunk IT Service Intelligence (ITSI) Administration:- Proficient in guiding customers on their Service Decomposition journey for ITSI onboarding (Glass Table Exercise).- Experience with multiple facets of an ITSI implementation, including creation/modification of ITSI components such as Services, Deep Dives, Entities, KPI Base Searches, and KPI Threshold Templates.- Created and operationalized Glass Tables/Service Analyzers through setting proper thresholding via customer specifications.

Greater New York City Area

- Strong proficiency in Splunk Search Processing Language (SPL) and custom query creation.- Customized, tested and deployed functional Splunk alerts and dashboards (by product) for operations monitoring based on internal customer requirements.- Created and maintained complex Splunk Knowledge Objects (lookup tables, field extractions, macros, tags, and event types) for various operational use cases.- Managed thresholds and elimination of false alerts in Splunk to ensure that it is accurate and up to date for operations purposes. - Created targeted Splunk-based lookup tools to assist in first level troubleshooting and reporting for enterprise operations engineers.- Provided Splunk expertise to development teams to design and customize dashboards, alerts and data queries for staging, QA, and development Splunk environments.- Creation, tracking and resolution of incidents and service requests for the Cox Automotive suite of applications, first point analysis on tickets and assigning them to L2/L3/other service lines based on the scope.- Prepared high severity and time critical outage notifications for timely communication to business and external clients.

Great Neck, Ny

- Responsible for the day to day management of basic network operations, overseeing trouble ticket maintenance, distributing and managing troubleshooting duties among personnel, interacting with VoIP affiliates, communicating with subdealers on their specific needs, and directly working with customer service to ensure voice quality. - Directly worked in conjunction with internet service providers to integrate their IP addresses, call rates, and relevant technical information into the company’s routing system for wholesale business telephony, and conduct route testing based on the affiliates’ needs.- Technical expertise in the general configuration, deployment, and troubleshooting of VoIP/telephony devices, including the Linksys and Grandstream VoIP adapters.- Monitoring telephony vendor/customer quality, maintain stable voice routes and adjust call rates/profit margins.- Overseeing migration projects between routing systems, ensuring the migration is done on a step by step basis, and responsible for accomplishing project checkpoints in a timely manner.- Assisting in the design and implementation of a working e-commerce portal for company purposes as well as complete technical training for new subdealer technical departments and overseeing their progress.

Electrical Engineering, 3.57

Activities and Societies: Albert Dorman Honors College Dean's List

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