Arun Kumar

About Arun Kumar

Information Technology graduate of 2008 with 17+ years of rich hand-on experience has witnessed and adapted the major IT shifts from traditional ways of deployment, from virtualization to the rise of cloud computing. An advocate for \"Everything as Code\" mindset, expert in architecting scalable, secure AWS solutions and robust DevSecOps pipelines. Currently, as a senior leader navigating the AI shift, I am actively exploring and advocating for the use of AI Agents and tools like GitHub Copilot etc.

Experience

1. Devops Engineer

   S&P Global

   Jan 2022 — Present · Gurugram, IN

   Partnered with senior leadership to establish a service-centric DevOps roadmap, integrating ServiceNow for governance, security-by-design principles, and observability to mitigate risk and ensure alignment with business objectives.migration initiative from on-prem to AWS cloud for projects discovered under the program focused on cloud journey within organization. Setting up end to end IAC pipelines to deploy infrastructure in AWS using terraform modules. Created and contributed into writing end to end terraform code. Release deploy configuration using Octopus deploy which includes controlled deployment to various sets of environments. Automated setup of AWS cost anomaly notification over MS teams. Multiple AWS CloudWatch based monitoring and alarms integrated to Pagerduty and SNOW. Log and Infrastructure observability setup using Splunk and signalFX. AWS lambda creation using terraform with python runtime to perform multiple automation. Design, develop and implement a completely automated DR.Leading day-to-day cloud operations, including cost optimization, post-migration automation, and implementation ofcloud-native security measures in collaboration with development teams and AWS Cloud Custodian. IAM Governance: Designed and enforced least-privilege IAM roles/policies with resource-specific access controls. Data Security: Implemented customer-managed KMS keys for encryption of sensitive data at rest and in transit. Network Hardening: Optimized security group rules based on Cloud Custodian reports to minimize exposure. Threat Monitoring: Proactively monitored threats using AWS GuardDuty and centralized findings via AWS Security Hub. Tag Compliance: Enforced resource tagging policies for cost allocation, security, and operational tracking. Cost Optimization: Identified and remediated cost anomalies through AWS Cost Explorer and automated alerts.

Education

• Institute Of Engineering and Technology, Alwar, Rajasthan

  Bachelor's of Engineerng, Information Technology

  2004 — 2008

• Delhi Tamil Education Association Senior Secondry School Janakpuri Delhi

  Science, Science

  1999 — 2003

Skills

• Maven
• Ibm Websphere Commerce
• Jython
• Ibm Tivoli
• Jboss Application Server
• Unix Shell Scripting
• Perl
• Websphere Message Broker
• Sql
• Linux
• Hudson
• Service-Oriented Architecture (Soa)
• Apache Ant
• Websphere Portal
• Websphere Mq
• Sso
• Ldap Administration
• Middleware
• Ssl
• Endeca
• Shell Scripting
• Cvs
• Databases
• Java
• Solution Architecture
• Ibm Http Server
• Apache Ivy
• Apache
• Soa
• Ldap
• Red Hat Linux
• Application Servers
• Jenkins
• Websphere Application Server
• Web Servers
• Websphere Process Server
• Ant
• Cq5