RAM MAREPALLY
Haymarket
Summary
Results-oriented DevOps and Cloud Engineer with extensive experience in Kubernetes (AKS, EKS) and cloud services (Azure, AWS). Expertise in automation with Ansible and Terraform, alongside CI/CD pipeline implementation using GitLab and GitHub. Demonstrated success in Kubernetes migrations and AWS Windows server deployments, complemented by strong monitoring skills using Datadog and a solid foundation in VMware vSphere.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Infrastructure Engineer
CIOX Health
New York
10.2022 - Current
- Upgraded approximately 30 Azure Kubernetes Service (AKS) clusters to ensure compatibility, security, and optimal performance, following best practices for minimal downtime and seamless integration with existing infrastructure.
- Provisioned AWS EC2 instances and Application Load Balancers using Terraform modules.
- Executed Helm chart upgrades with ansible job tags for efficient application deployment and management, ensuring seamless compatibility with Kubernetes clusters.
- Migrated Kustomize deployments to Helm charts, streamlining application management and enhancing deployment consistency across environments.
- Developed and updated Ansible playbooks for automated Linux server patching, establishing workflows and schedules in AAP Tower to enhance operational reliability.
- Sized deployments appropriately by analyzing DataDog (DD) metrics, optimizing resource allocation based on observed CPU, memory, and workload demands to maintain high availability and performance.
- Developed dashboards and monitors to track storage capacity for Azure Blob and NetApp volumes using Datadog.
- Improved system reliability by upgrading Red Hat Satellite and Capsule to current versions.
- Implemented AWS FSXN solution for on premises to cloud storage migration.
Infrastructure Engineer
NTT Cloud Communications
Ashburn
11.2019 - 10.2022
- Provisioned AWS EC2 instances and Application Load Balancers with Terraform modules to enhance deployment efficiency.
- Upgraded EKS Anywhere clusters to the latest supported version and ensured all associated plugins were updated for compatibility and enhanced functionality.
- Migrated clusters from an old Rancher instance to a new one, ensuring seamless transition and minimizing downtime for critical workloads.
- Evaluated free capacity using PowerShell scripts for 10,000 VMs and executed Storage VMotions to optimize resource allocation.
- Migrated clusters from an old Rancher instance to new one, ensuring seamless transition and minimizing downtime for critical workloads.
SAN Engineer
Kforce Inc
Cranbury
04.2019 - 11.2019
- Replicated Storage from XtremIO Gen2 from Production site to DR using XtremIO Native Replication.
- Configured CIFS/NFS shares on VNX, VNX2 series, creating storage pools, carving LUNs, and adding to file storage group for data mover access; created filesystems, joined CIFS servers to domain, established VDM and interfaces for exports, and set file capacity notifications.
- Performed Troubleshooting and Administration on the Isilon Nodes – X410, X210 and OneFs-6.5, 7.1, 7.2.
- Experience in managing Node Pools, adding Tiers, configuring File pool Policies and managing default I/O optimization settings using SmartPools.
- Configure SmartConnect Service IP, zone names to different Pools. Configure FQDN for delegated zone name and associate to Smart Connect Service IP.
- Configure different policies using Smart Connect Advance Settings - Multiple IP allocation policy, connection policy and Dynamic rebalance policy.
- Set up quotas, usage notifications, and file share permissions on Isilon shares using SmartQuotas to ensure compliance and resource management.
- Provisioned AWS EC2 instances and application load balancers using Terraform modules to streamline infrastructure deployment.
- Assigned IAM roles to Amazon EC2 instances deployed in an Auto Scaling Group.
Solutions Architect
Novisync Inc
Boston
10.2017 - 03.2019
- Executed cross vCenter migration using Swing Host Migration from vCenter 6.0 to 6.5 on vBlock 540, ensuring seamless transition of workloads.
- Worked on Brocade to Cisco Switch Migration by configuring equivalent zones from Brocade on Cisco, splitting existing storage VNX 8000, XtremIO and UCS environment across different fabrics while following best practices.
- Worked on Cross vCenter Migration using Swing Host Migration from old vCenter 6.0 to new vCenter 6.5 on vBlock 540.
- Configured equivalent zones from Brocade on Cisco during the switch migration.
- Implemented DAE expansions for VNX series array, installing drives, creating and expanding storage pools, creating LUNs, binding them to storage groups, and registering HBAs using Unisphere and manual methods.
Storage Resource, Deployment and Installment Team
Novisync Inc
Boston
10.2016 - 10.2017
- Played a key role in the deploy and implementation team as a storage resource, executing physical and logical builds for EMC vBlock – vB340, vB540, vB720, vB740. Deployed vBlock through rack and stack, cabling, powering up, configuring, and testing the storage arrays EMC VNX, EMC VMAX3, VMAX All Flash, and EMC XtremIO, while creating runbooks on VMware and SAN administration and troubleshooting procedures.
- Engaged in DAE expansions for both physical and virtual implementation, installing DAEs/drives to the VNX series array, creating and expanding storage pools, establishing LUNs, binding them to storage groups, and registering HBAs using both manual methods and Unisphere Host/Server utility agents.
- Created FAST policies and tiers, bound storage groups to tiers, and monitored tier/storage group usage to optimize performance.
- Worked on the FAST and FAST Policies - creating Policies, creating tiers and binding storage groups to the tiers and associations to policies, monitoring the Tier/SG usage.
- Configuring, Deploying and designing Cisco UCS – Creating UUID Pools, MAC Pools, WWN and WWPN Pools, Server Pools, Service Profile Templates, Service profile from templates, Boot Policy, Management Policy, Local Disk Config Policy, vNic Templates, vHBA Template accordingly.
- Facilitated NIC teaming by adding network adapters to VSS in vCenter, created port groups, and assigned VLANs for cluster hosts.
- Acquired experience in VNX storage expansion by managing storage disk layout, adding disks to the storage pool, creating RAID devices, and laying out hot spare devices while adhering to EMC best practices for storage provisioning.
Education
Master of Science - Computer Science Engineering
Northern Illinois University
DeKalb, ILBachelor of Technology - Computer Science Engineering
Jawaharlal Nehru Technological University
IndiaSkills
- Kubernetes management
- Azure Kubernetes Service
- Terraform provisioning
- Ansible automation
- Helm deployment
- Infrastructure automation
- Cloud infrastructure management
- Cloud migration
- Containerization technologies
- Virtualization technologies
- Performance tuning
- Team building
Certification
- Certified Kubernetes Administrator (CKA)
- Microsoft Azure Solution Architect
- Microsoft Azure Administration
- Microsoft Azure Fundamentals
- Storage ISMV3
Timeline
Infrastructure Engineer
CIOX Health
10.2022 - Current
Infrastructure Engineer
NTT Cloud Communications
11.2019 - 10.2022
SAN Engineer
Kforce Inc
04.2019 - 11.2019
Solutions Architect
Novisync Inc
10.2017 - 03.2019
Storage Resource, Deployment and Installment Team
Novisync Inc
10.2016 - 10.2017
Master of Science - Computer Science Engineering
Northern Illinois University
Bachelor of Technology - Computer Science Engineering
Jawaharlal Nehru Technological University