Thomas Lin Email & Phone Number

Site Reliability Engineering work based on the Dynatrace toolset. As SRE, was involved in helping define dashboards that enable observability of their applications from different groups in the organization. • Created dashboards in Dynatrace for different application groups based on the SRE methodology. The dashboards include technologies like Kubernetes, Java, MongoDB, AWS, etc. • Worked on defining SLO, SLA, and SLI within Dynatrace.

New York, Ny, Us

• Maintained site reliability and resiliency by administering monitoring tools such as Splunk, Apica, Dynatrace, AppDynamics • Designed and developed graphical presentations of the environment using graphs and charts of the applications, native dashboards in different monitoring tools, and Grafana using Cortex data.• Established service level metrics (SLAs, SLOs, and SLIs) based on SRE principle. • Administered alerts and notifications indicating site-related issues and automatically opened ServiceNow incident tickets, which helped reduce the MTTR.• Helped deploy application updates to the production environment using Spinnaker and Jules to GAP and AWS environment. • Implemented rightsizing, autoscaling, and restarting applications (transactions, services, batch processing) using tools like Wolverine, Light Switch, and Janitors.• Assisted in planning, developing, and implementing automation to reduce toil.• Implemented automation for certificate renewals and restaging applications in GAP and AWS.• Maintained updated Git repositories and ensured codes were current.• Helped deploy Terraform (Infrastructure as Code) to set up AWS infrastructure. • Assisted with FinOps functions within the group to help create cost alerts and rightsizing metrics to minimize costs of AWS spend.• Completed SRE Bar-Raiser training.

Jersey City, Nj, Us

• System architecture, engineering, and administration of enterprise monitoring tool SolarWinds. Product components include NPM, SAM, WPM, VMAN, and DPA.• Set up synthetic validations to check for availabilities of the over 300 applications, of those applications which were created from various application methodologies.• Monitor infrastructure enterprise nodes which consist of 7000 or more, including servers OS, network systems (Cisco, Aristas, and Aruba), Applications, VMware, Nutanix, Amazon Web Services EC2s, and storage alleys.• Collaborate with engineering teams to develop monitoring strategies to better improve availability and proactive measures. • Work with developers and business users to design customized views into their applications and products to leverage visibility and performance analysis. • Provide monitoring metrics to maintain data centers and remote sites for high performance, ensuring that servers and applications are alive and working as intended to reduce the Mean Time to Repair (MTTR).• Set up monitors for measuring performance and capacity, maintenance tuning, and root cause analysis of mainframe technology.• Provide root cause analysis of escalated and complex incident reports to management.

Jersey City, Nj, Us

• System architecture, engineering, and administration of New Relic APM monitoring for various websites.• Migrated Rational Performance Tester and Rational Function Tester validation to Solarwinds WPM.• Migrated CA Unicenter NSM monitoring to Solarwinds monitoring.• Migrated to Compuware Client Vantage application monitor from IBM Rational Performance Tester and Rational Functional Tester.

Jersey City, Nj, Us

• System architecture, engineering, and administration of Rational products for monitoring websites (Performance and Functional testing)• Administered monitors for measuring performance and capacity, maintenance tuning, and root cause analysis of mainframe system Z technology using IBM Tivoli suite. Duties included creating notification rules and rollout of automation based on an event that occurred.• Administrated IBM Tivoli suite. IBM Tivoli suite was used to monitor all aspects of the mainframe: including CICS, MQ, DB2, mainframe storage, zVM, zLinux (Suse Linux), IBM WebSphere, and mainframe network • Worked in the UNIX support team dedicated to maintaining the UNIX environment.• Attended the IBM conference as a guest speaker for panel sessions and demonstrations.

Jersey City, Nj, Us

• System architecture, engineering, and administration of CA Unicenter NSM.• Worked as level 2 support and was on-call rotation for 24x7 support, which helped with assisting in repair during network outages. • Select, evaluate, and implement System Administration tools and other general-purpose software.

Master'S Degree

Bs/Ms, Management Information Systems