Hemanth Kumar B R profile photo 1 on Tal

Hemanth Kumar B R

Ex- Yahoo | Site Reliability Engineering (SRE) | Platform Engineer | DevOps Engineer | AWS | Terraform | Kubernetes | Cloud Networking amp; Infrastructure Security

Greater Bengaluru Area

7+ years of work experience

Databook
Jun 20265 mosPresent

Yahoo
Sep 20241 yr 10 mosJun 2026

Bengaluru, Karnataka, India

- Monitored and triaged production alerts using BigPanda for critical Hadoop ecosystem components (NameNode, DataNode, ResourceManager), significantly reducing mean time to recovery (MTTR). - Managed and automated production alert workflows using BigPanda and Kafka, significantly improving triage speed and reducing MTTR. - Led end-to-end incident management, including triage, impact assessment, stakeholder communication, change coordination, and RCA documentation - Executed operational tasks including host Out-of-Rotation (OOR) and Back-in-Rotation (BIR) transitions, adhering to compliance protocols. - Diagnosed and resolved complex Apache Oozie job issues, improving workflow reliability and reducing job failures. - Orchestrated zero-downtime upgrades for Hadoop NameNode through Technical Operations Readiness (TOR) processes. - Worked with cross-functional teams (Data Engineering, Platform, DevOps) to ensure end-to-end data pipeline reliability. - Authored detailed runbooks, SOPs, and automation scripts, enhancing incident response time and reducing onboarding time for new SREs. - Collaborated with cross-functional teams (Data Engineering, Platform, DevOps, SiteOps) to maintain end-to-end reliability of critical data pipelines.
Cambium Networks
Oct 20212 yrs 11 mosAug 2024

Bengaluru, Karnataka, India

- Automated PR approvals using Jenkins webhooks to trigger unit tests and builds, eliminating manual steps and accelerating the CI pipeline. - Migrated Jenkins builds infrastructure from on-prem to ephemeral AWS instances for scalability. - Owned and maintained infrastructure for cnMaestro’s microservices, applying SRE best practices for reliability, observability, and performance. - Deployed and managed infrastructure as code using AWS CloudFormation and configuration management via Salt. - Built and maintained Dockerfiles for multiple application teams, guiding them from development to production deployment. - Developed Python and shell scripts to automate repetitive tasks, reducing operational toil and improving deployment efficiency.
L&T Technology Services Limited
Jul 20201 yr 4 mosOct 2021

Bengaluru, Karnataka, India

- Assisted in setting up and maintaining CI/CD pipelines using tools like Jenkins and Git, ensuring smooth build and deployment workflows. - Wrote automation scripts in Python and Bash to streamline repetitive tasks in testing and deployment processes.
L&T Technology Services Limited
Jul 20191 yr 1 moJul 2020

Bangalore

- Supported Linux-based development and test environments, performing system administration tasks, monitoring resources, and troubleshooting build failures. - Collaborated with cross-functional teams to streamline deployment processes and integrate automation into QA pipelines.
Skyfi Labs
Feb 20192 mosMar 2019

Bengaluru, Karnataka, India

Hemanth’s AI Stack

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Education

New Horizon College of Engineering

New Horizon College of Engineering

20154 yrs2019

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Hemanth Kumar B R on Tal

Headline

Ex- Yahoo | Site Reliability Engineering (SRE) | Platform Engineer | DevOps Engineer | AWS | Terraform | Kubernetes | Cloud Networking amp; Infrastructure Security

Location

Greater Bengaluru Area

AI stack

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Work experience

Platform Engineer (SRE) at Databook, Jun 2026 - Present · 5 mos

Site Reliability Engineer at Yahoo, Sep 2024 - Jun 2026 · 1 yr 10 mos, Bengaluru, Karnataka, India, - Monitored and triaged production alerts using BigPanda for critical Hadoop ecosystem components (NameNode, DataNode, ResourceManager), significantly reducing mean time to recovery (MTTR). - Managed and automated production alert workflows using BigPanda and Kafka, significantly improving triage speed and reducing MTTR. - Led end-to-end incident management, including triage, impact assessment, stakeholder communication, change coordination, and RCA documentation - Executed operational tasks including host Out-of-Rotation (OOR) and Back-in-Rotation (BIR) transitions, adhering to compliance protocols. - Diagnosed and resolved complex Apache Oozie job issues, improving workflow reliability and reducing job failures. - Orchestrated zero-downtime upgrades for Hadoop NameNode through Technical Operations Readiness (TOR) processes. - Worked with cross-functional teams (Data Engineering, Platform, DevOps) to ensure end-to-end data pipeline reliability. - Authored detailed runbooks, SOPs, and automation scripts, enhancing incident response time and reducing onboarding time for new SREs. - Collaborated with cross-functional teams (Data Engineering, Platform, DevOps, SiteOps) to maintain end-to-end reliability of critical data pipelines.

DevOps Engineer / SRE at Cambium Networks, Oct 2021 - Aug 2024 · 2 yrs 11 mos, Bengaluru, Karnataka, India, - Automated PR approvals using Jenkins webhooks to trigger unit tests and builds, eliminating manual steps and accelerating the CI pipeline. - Migrated Jenkins builds infrastructure from on-prem to ephemeral AWS instances for scalability. - Owned and maintained infrastructure for cnMaestro’s microservices, applying SRE best practices for reliability, observability, and performance. - Deployed and managed infrastructure as code using AWS CloudFormation and configuration management via Salt. - Built and maintained Dockerfiles for multiple application teams, guiding them from development to production deployment. - Developed Python and shell scripts to automate repetitive tasks, reducing operational toil and improving deployment efficiency.

Engineer at L&T Technology Services Limited, Jul 2020 - Oct 2021 · 1 yr 4 mos, Bengaluru, Karnataka, India, - Assisted in setting up and maintaining CI/CD pipelines using tools like Jenkins and Git, ensuring smooth build and deployment workflows. - Wrote automation scripts in Python and Bash to streamline repetitive tasks in testing and deployment processes.

Associate Engineer at L&T Technology Services Limited, Jul 2019 - Jul 2020 · 1 yr 1 mo, Bangalore, - Supported Linux-based development and test environments, performing system administration tasks, monitoring resources, and troubleshooting build failures. - Collaborated with cross-functional teams to streamline deployment processes and integrate automation into QA pipelines.

Intern at Skyfi Labs, Feb 2019 - Mar 2019 · 2 mos, Bengaluru, Karnataka, India

Education

New Horizon College of Engineering