Kiruthiga Rengasamy
Cloud Engineer
Coimbatore
Summary
Dedicated Cloud Engineer with 9+ years’ experience in Telecommunication domain specializing in Networking and Virtualization technologies. Competent in deployment, administration and troubleshooting OpenShift, Openstack, and VMware infrastructure. Deployed production scale RedHat Openshift clusters for hosting telecom applications. Expertise in container based application deployment on Kubernetes clusters. Strong experience as Linux administrator and provided production support of various applications on Red Hat Linux, CentOS and Ubuntu operating systems. Adept troubleshooter consistently focused on identifying, isolating, and resolving technical issues, assessing risk, and developing mitigation tools. Familiarity and experience in the areas of orchestration, containerization and virtualization.
Overview
10
10
years of professional experience
4
4
years of post-secondary education
Work History
Senior Member of Technical Staff
Mavenir Systems
5 2022 - Current
- Working with research & development team to design and deploy digital cloud automation framework used for seamless 5G and 4G container based application deployments.
- Responsible for design, deployment and implementation of RedHat openshift clusters which hosts core and radio applications of telecom service providers.
- SME in operating RedHat Openshift clusters - Life cycle management of clusters using RedHat Advanced Cluster Management.
- Preparation and validation of helm charts used to deploy cloud-native applications.
- Hands-on experience in installing, configuring, operating, and monitoring CI/CD pipeline tools - Helm, Keycloak, Gitea, Harbor and ArgoCD.
- Familiar with monitoring tools like Prometheus and Grafana, to collect and analyze metrics from telecom applications.
- Experience with automation and configuration management using Ansible.
- Hands-on experience in cluster scaling and sizing of production-scale deployments of gigantic telecom providers.
- Competent in deployment and configuration of portworx storage, PVs, PVCs used by containers for persistent storage, backup and disaster recovery operations.
- Experience in configuring role based access, SSO authentication using Keycloak for various GUI based portals.
- Mentored junior team members in technical concepts, fostering a collaborative work environment.
- Collaborated with cross-functional teams for seamless integration of new features and functionality.
Technology Analyst
Infosys Technologies Limited
10.2017 - 05.2022
- Deploy container based applications on Kubernetes clusters using helm charts.
- Test Infrastrtucture Orchestrator GUI to verify Kubernetes cluster lifecycle management and application deployment capabilities.
- Provision on-demand AWS EC2 instances using Terraform - Infrastructure as a software tool.
- Automate Linux operating system installations using kickstart and preseed files.
- Deployed network services from Ericsson Orchestrator and verified its network connectivity in Openstack.
- Designed and deployed Canonical OpenStack - Workstation model.
- Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting.
- Design and Implement virtualization solutions based on VMware vSphereESXi, ESX platform, vCenter.
- Install and manage Red Hat Enterprise Linux based infrastructure in the cloud environment.
Senior Systems Engineer
Infosys Technologies Limited
07.2015 - 09.2017
- Deployed Openstack cloud and configured its components: Keycloak, Glance, Nova, Neutron, Horizon, Cinder, Swift, Heat and Ceilometer.
- Installed multiple VMware hypervisors, configured virtual private networks and managed the virtual instances.
- Written automation scripts for creating resources in OpenStack Cloud using Ansible playbooks.
- Automated local user provisioning in instances created in OpenStack cloud through Ansible playbooks.
- Composed Flow table entries of Openflow protocol to manipulate packet flow in OpenvSwitch. Created service function chains using Openflow protocol.
- Onboarded numerous Virtual Network Functions (VNFs) onto Openstack cloud through HP orchestrator.
Systems Engineer
Infosys Technologies Limited
06.2014 - 06.2015
- Managed IT infrastructure - Active Directory, Domain Name Server, Dynamic Host Configuration Protocol and Virtual resources.
- Migration of virtual machines without any data loss from hypervisor.
- Automated routine server administration tasks like backup, user management, etc., using shell scripts.
- Actively involved in troubleshooting network and production issues and performed root-cause analysis.
- Configured and maintained network services, including backup and recovery and maintaining web servers in Linux environment.
- Lead the team for development and demonstration of proof-of concept use cases.
- Installed and integrated Openstack and VMware cloud to Red Hat CloudForm Mangament Engine (CFME).
Education
Bachelor of Technology -
PSG College Of Technology
Coimbatore, TamilNadu 07.2010 - 05.2014
Skills
OpenStack deployment and administration
undefinedAccomplishments
- Received 2 SpotLight awards in consecutive years which is rewarded to employees within organization for excellency in performance.
- Successfully deployed complex end-to-end business intelligence solutions that delivered business value to functional organizations.
- Facilitated effective working relationships between client, partners and project teams throughout project lifecycles.
- Designed clear, concise, and understandable courses that were utilized by trainers throughout the company in office locations worldwide.
- Received INSTA award for implementation of CFME and its integration with cloud components within the expected time
- Received INSTA award for testing and analysis of complex scenarios in VOA solution
- Received ENG pinnacle award - "Bright spark" which is awarded for freshers who ramped up quickly and met delivery requirements.
Timeline
Technology Analyst
Infosys Technologies Limited
10.2017 - 05.2022
Senior Systems Engineer
Infosys Technologies Limited
07.2015 - 09.2017
Systems Engineer
Infosys Technologies Limited
06.2014 - 06.2015
Bachelor of Technology -
PSG College Of Technology
07.2010 - 05.2014
Senior Member of Technical Staff
Mavenir Systems
5 2022 - Current
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