Overview
Work History
Timeline
Generic

Sai Kiran

Overview

14
14
years of professional experience

Work History

AWS Cloud Engineer

Cigna Group
02.2023 - Current
  • Member of Cloud Services team which controls all the clouds across the organization and acts as administrator implement cloud activities across the organization
  • Implemented infrastructure automation using Terraform and managed Continuous Integration with Jenkins, enhancing the client web experience
  • Conducted Proof-of-Concept projects to validate new DevOps solutions, ensuring optimal system performance
  • Acting as a point of contact for many application-development teams regarding their cloud issues and day to day-to-day cloud activities
  • Responsible for deploying changes, updates, creation of resources and deploying them to production accounts across different projects/environments
  • Setup and build AWS cloud infrastructure resources like EC2, EBS, S3, VPC, Autoscaling, Cloud Watch, Cloud Front, and Route 53 etc., using Terraform
  • Worked closely with cross-functional teams to architect, design, develop, test, and release system features through automation
  • Managed CI/CD pipelines using Jenkins and Argo CD for streamlined software deployment
  • Deployed and configured Elasticsearch, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambada and CloudWatch
  • Stored those logs and metric into S3 bucket using Lambda function
  • Implemented comprehensive monitoring solutions using Dynatrace, Splunk, and AWS CloudWatch to monitor the health and performance of migrated services
  • Used CloudWatch to collect and monitor log files and created alarms in conjunction with SNS to notify the resource usage and billing events
  • Responsible for creating new IAM roles, groups, users, security groups, allowing different traffic ports using terraform and other access related permission issues
  • Implemented Single Sign-On (SSO) solutions using Okta and Ping to streamline user authentication processes and enhance user experience
  • Implemented Multi-Factor Authentication (MFA) using Okta and Ping to add an extra layer of security and prevent unauthorized access to sensitive data and resources
  • Collaborated with cross-functional teams to design and implement role-based access control (RBAC) policies using Okta and Ping, ensuring least privilege access and compliance with industry regulations
  • Conducted regular audits and reviews of access policies and configurations in Okta and Ping to identify security gaps and ensure adherence to best practices
  • Creating S3 buckets and managing policies for S3 buckets and utilized for storage and backup on AWS
  • Used CloudWatch to collect and monitor log files and created alarms in conjunction with SNS to notify the resource usage and billing events
  • Used AWS Lambada to run servers without managing them and to trigger to run code by S3 and SQS
  • Configured API gateways and created CRON jobs and Batch jobs
  • Implemented and maintained AWS container technologies, such as EKS, ECS, and ECR
  • Containerized applications using Docker and orchestrated them using Kubernetes for improved scalability and resource utilization
  • Created pods and clusters using templates in Kubernetes
  • Created reproducible builds of Kubernetes applications and managed Kubernetes manifest files
  • Scheduled, deployed, and managed container replicas onto a node cluster using Kubernetes
  • Utilized DevOps tooling (GitHub, Atlassian Jira/Confluence, CloudBees Jenkins, Terraform, Ansible) to automate deployment processes
  • Implemented and maintained CI/CD pipelines, leveraging tools such as Agro CD, GitOps, Cloudbees Jenkins, Docker, Kubernetes, GitHub, and GitHub Actions
  • Supported the adoption of common vision, practices, and capabilities across teams
  • Engaged with Technical Architects and technical staff to determine appropriate technical strategies and designs
  • Collaborated with offshore team members and clients to resolve technical dependencies, issues, and risks.

Cloud Devops Engineer

State Farm Insurance
09.2017 - 02.2023
  • Collaborated with architecture and development teams to plan and execute the migration of applications and services to AWS, ensuring minimal downtime and disruption
  • Identified and provisioned all necessary dependencies and resources in AWS, aligning with operational readiness checklist and best practices
  • Setup and build AWS cloud infrastructure resources like EC2, EBS, S3, VPC, Autoscaling, Cloud Watch, Cloud Front, and Route 53 etc., using Terraform
  • Implemented Cloud migration project using AWS Application Migration Service (MGN), AWS SMS (Server Migration Service) Migration Hub, AWS Cloud Endure Migration
  • Implemented comprehensive monitoring solutions using Dynatrace, Splunk, and AWS CloudWatch to monitor the health and performance of migrated services
  • Used CloudWatch to collect and monitor log files and created alarms in conjunction with SNS to notify the resource usage and billing events
  • Configured alerting thresholds and notifications to quickly identify and respond to issues, participating in on-call rotations for rapid issue resolution
  • Continuously monitored system and application performance, identifying bottlenecks and areas for optimization, and optimizing AWS resource usage for cost-effectiveness and performance
  • Implemented AWS security best practices, including network configurations, IAM policies, and encryption, to protect data and resources, ensuring compliance with industry standards and regulations
  • Designed and implemented disaster recovery strategies, including data backup and replication, and tested disaster recovery plans to ensure business continuity
  • Monitored and optimized AWS spending using tools like AWS Cost Explorer and Cloudability, implementing cost-saving measures such as reserved instances, spot instances, and auto-scaling
  • Identified repetitive tasks and processes for automation, driving continuous improvement through the adoption of new AWS services and features
  • Setting up Auto Scaling for instance group using AWS Command Line Tools and AWS cloud for DEV/QA environments
  • Created and configured Cloudbees Jenkins pipeline jobs tailored to project requirements, streamlining the software development process
  • Effectively troubleshooted build issues across multiple applications, including MVN, Gradle, Node.js, .NET, and Python
  • Contributed in scripting with languages like Bash and Python, automating critical tasks and improving efficiency
  • Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

Infrastructure Engineer

Ferguson Enterprises
12.2016 - 09.2017
  • Worked as a Systems Administrator on Red Hat4/5, CentOS 3/4and Ubuntu (8.04, 9.04) servers
  • Worked on Applying patches, installed monitoring tools, and upgraded BIOS on HPC Clusters
  • Scheduled users to perform High Performance Computing activities on the Linux cluster
  • Installation and configuration VMware ESX/ESXi servers and vCenter
  • Create and configure virtual machines
  • Work on VSphere 5.0, 5.1 including HA and DRS
  • Create, Deploy and clone of virtual machines and templates
  • Monitored CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools like Nagios
  • Involved in Planning, building and Administration of various High Availability clusters and heartbeat checking on Sun Solaris using VCS in heterogeneous SAN environment
  • Used various networking tools such as SSH, telnet, rlogin, ftp, and ping to troubleshoot daily networking issues
  • Installed WebLogic 9.x and JBoss 4.0 Application Server
  • Configuration of domains, deployment of applications on Development to UAT environments
  • Configured pools, virtual servers, and proxies with Big IP F5 load balancer
  • Installation, setup, configuration, security administration and maintenance for flavours of servers like Active Directory, NFS, FTP, Samba, NIS, NIS+, LDAP, DHCP, DNS, SMTP/Mail Server, Apache Servers, Proxy Servers in heterogeneous environment
  • Provided technical directions to the Application team and external vendors on integration requirements and technical issues related to system rollouts
  • Monitoring and managing performance of ESX servers and Virtual Machines
  • Using Virtual centre server for HA, DRS and V motion
  • Working on Migration concepts like V motion and Cold migration
  • Creation & Troubleshooting of Virtual Network.

UC Engineer

NWN-NC
08.2016 - 12.2016
  • Giving solutions in Network Infrastructure, & solutions pertaining to IT Infrastructure
  • Implemented a new network architecture connecting client corporate office and the branch-offices
  • Deployed a multisided IP Telephony Network with Cisco Unified Communications Manager (CUCM 11.5, 10.5.2, 9.1.2) and Unity Connections (CUC 11.5, 10.5.2, 9.1.2)
  • Perform software upgrades on existing Cisco voice deployments
  • Configured and Installed VMware ESXi 5.1 hosts Publisher/ Subscriber, Deployed call manager 9.1.2, Unity connections, IM&P
  • Migrated Avaya PBX to cisco Call Manager 10.5.2
  • Managed UCS Environment and created VLANs for Cisco UCS environment
  • Handled VOSS (CUCDM)
  • Configured, administered, and troubleshoot Cisco CUBE(AS5350XM)
  • Provide remote and onsite assistance to the client with the SIP/ITSP Peering using CUCM, CUBE/SBC
  • Installed and configured Cisco IP Phone 794x, 796x, 7937’s, 8945’,8811’s
  • Worked with team of Engineers on client location for Call Manager 11.X and Voice Gateways upgrades
  • Resolved network connectivity issues determined root causes and upgraded and replaced equipment and software
  • Cisco Voice gateway configuration
  • Worked on configuring multiple CUCM 11.5, CUC 11.5, gateways, and switches in test labs
  • Worked with various service providers to report circuit outages and new circuit turn ups
  • Worked on Level 3 issues which are escalated and opened TAC cases with Cisco for further troubleshooting and resolved issues in a timely manner
  • Worked on opening and managing change requests for production changes
  • Updating low level design and network implementation documents on design changes.

Telecommunications Engineer

Knoah solutions
05.2011 - 07.2013
  • Deployment, management, Upgrading and troubleshooting of CUCM 7.0, 6.0, UCC Express, Unity
  • Configured, installed, and supported Cisco Unified Communication Manager (CUCM) 7.0, Cisco Messaging Systems (Unity/Unity Connection), Voice Gateways, Cisco routers and switches
  • Configured and installed VOIP devices and IP Phones such as 7940, 7942, 7960,7961, 7971G-Ge, 7975G IP phones of 7900 series
  • Created dial-plans, route patterns, route groups, route lists, calling search space, partitions and upgraded Cisco Unified Communications applications
  • Created Voice Mail boxes, call handlers, create and reset passwords
  • Implemented call routing, call management and IP telephony integration
  • Monitored and troubleshoot call routing, number translations and call handler issues
  • Troubleshooting IPT voice quality issues between and within locations by transcoding of Codecs
  • Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, IPS and ensuring maximum uptime during site deployment to VoIP
  • Worked with team on call rotation to handle tickets
  • Provided on Call support Cisco routers, switches including Call Manager V7.0
  • Monitored system performance, conduct feasibility studies and made technical decisions regarding system hardware and software upgrades or changes.

Network Engineer

Mahindra Satyam
08.2010 - 05.2011
  • Deployment, management, Upgrading and troubleshooting of CUCM 8.5, UCC Express, Unity
  • Configured, installed, and supported Cisco Unified Communication Manager (CUCM) 8.5, Cisco Messaging Systems (Unity/Unity Connection), Voice Gateways, Cisco routers and switches
  • Configured and installed VOIP devices and IP Phones such as 7940, 7942, 7960,7961, 7971G-Ge, 7975G IP phones of 7900 series
  • Created dial-plans, route patterns, route groups, route lists, calling search space, partitions and upgraded Cisco Unified Communications applications
  • Created Voice Mail boxes, call handlers, create, and reset passwords
  • Implemented call routing, call management and IP telephony integration
  • Monitored and troubleshoot call routing, number translations and call handler issues
  • Troubleshooting IPT voice quality issues between and within locations by transcoding of Codecs
  • Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, IPS and ensuring maximum uptime during site deployment to VoIP
  • Worked with team on call rotation to handle tickets
  • Provided on Call support Cisco routers, switches including Call Manager V7.0
  • Monitored system performance, conduct feasibility studies, and made technical decisions regarding system hardware and software upgrades or changes.

Timeline

AWS Cloud Engineer

Cigna Group
02.2023 - Current

Cloud Devops Engineer

State Farm Insurance
09.2017 - 02.2023

Infrastructure Engineer

Ferguson Enterprises
12.2016 - 09.2017

UC Engineer

NWN-NC
08.2016 - 12.2016

Telecommunications Engineer

Knoah solutions
05.2011 - 07.2013

Network Engineer

Mahindra Satyam
08.2010 - 05.2011

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