Sundararaman M

Senior Staff Quality Engineer

ServiceNow • Vollzeit

Jan 2021 - May 2023 • 2 yrs 4 mos

Evaluated Performance and functionality of ServiceNow platform with multiple projects such as Artificial Intelligence (AI) Search integration with external tools such as OpenAI (ChatGPT) & Azure OpenAI and integration of PostgreSQL Some of my duties include: • Determined the testing scope/strategy (Performance, Functional and other NFT/NFR) for the various projects, supervised the execution with the team members and ensured the delivery of the product on time • Supervised the automation status of the testing team and made sure that the goal of automation committed was achieved for all the projects • Jmeter and Blazemeter: evaluated the performance of ServiceNow portal with HTTP/HTTPS request and created a dashboard to effectively monitor & report the performance metrics. Worked with development team to improve the performance of the AI search, Kagami, Haraka and SumoDB projects. • Loadsim: Evaluated the customer configuration by running the customer load and evaluated the performance on Search and DB projects. • Carried out various phases of testing such as Sanity testing, Regression testing, Release testing, testing of backport of patches to previous releases and internally developed tools • Developed libraries and testcases in Java, Javascript, Bash and Selenium for automated web testing using APIs • Contributed to SQL scripts for performance testing of database projects including PostgreSQL, MySQL, MariaDB and MonetDB • Functional tested and utilized various digital workflows on ServiceNow PaaS web testing including dashboard, list views, configurations and flow designer • Functional tested various database configuration such as Read replicas and Gateways for the ServiceNow web portal

Performance Engineer

Seagate • Vollzeit

May 2013 - Oct 2016 • 3 yrs 5 mos

Significant role in performance design (using Vdbench, Iometer, FIO, Sysbench, TPC-C & TPC-E), analytics, benchmarking, automation, troubleshooting, debugging and characterization of storage drives (SAS, SATA and NVMe), PCIe Nytro products and host bus adapters using Perl, Python and Bash. Involved in design, analytics, benchmarking, debugging and characterization of performance aspects of SAS drives, SATA drives, NVMe drives, PCIe Nytro products and host bus adapters. My focus was on the products used in enterprise environment. • Performance verification of SATA, SAS and NVMe SSDs Validated the performance of various SATA, SAS and NVMe Seagate flash products. These products offer different buckets of multifold performance when compared to HDDs. • PCIe Nytro Flash Accelerator Cards Validated the performance of PCIe Nytro Flash Accelerator Cards. PCIe Nytro Flash Accelerator Cards enable high performance, low latency and low CPU burden by adding cache to servers. Some of my duties include • Analysis of IOPS, throughput, histogram, latency measurements, confidence intervals and CPU utilization • Verify the behavior of SSD drives/ PCIe Nytro flash cards using workloads with Sequential/Random access, different Read/Write percentages, different Block sizes/Alignment and different queue depth • Debug the root cause of performance problem using SAS/SATA trace, block trace and xperf trace analysis • Analysis of performance characteristics of SSD drives/PCIe Nytro flash cards with different combination of servers, host bus adapters and operating system • Perform competitive analysis of SSD drives/PCIe Nytro flash cards