Nagaraj Chilivery - Cloud Architect |
[email protected] |
Location: Remote, Remote, USA |
Relocation: |
Visa: H1B |
Nagaraj Chilivery
Cloud Architect 404-537-7516 [email protected] H1B SUMMARY: Over 13+ years of IT industry experience with background in Infrastructure and Cloud/DevOps engineering. AWS Certified Solutions Architect. Experience with Cloud Deployments and migrations. Implemented Business continuity and disaster recovery solutions. Experienced in Continuous Integration, Continuous Delivery and Deployment models. Experience with Kubernetes and Docker Swarm environment. Worked with CloudFormation, Terraform, Ansible and Puppet. AWS Core services exposure: EC2, S3, EBS, VPC, Route53, ELB, Auto Scaling, AWS RDS, serverless and AWS Migration Services. AWS EKS Cluster configuration and Terraform module development for deploying clusters. Configure EKS clusters with Istio, EBS CSI drivers, datadog, Spire. Excellent comprehensive exposure on different types of storage solutions, data lakes, analytics. Contribute in developing best practices for infrastructure as code (eg : Puppet, Shell scripting), software build tools (Maven, ANT, Shell ) and continuous integration tools (Jenkins, Hudson), and infrastructure automation (VM Ware, Puppet, Chef, etc). Rolling out new versions of applications using different deployment strategies. Demonstrated success in performing work and managing complex and large consulting projects. Functional expertise spans Data Center Solutions Design, Cloud Services and Disaster Recovery solutions. Design cloud services and setting up infrastructure considering load, security, high availability, and redundancy. Worked on data science project, with various machine learning models and data analytic tools. Hands on experience in development of utilities using Shell and Python scripting to automate processes. Lift and shift Migration experience of on-premises infrastructure to AWS using CloudEndure. Helped customers to build scalable and high-performance applications on AWS Automate disaster recover strategies and documented architectural best practices for building systems on AWS. Preparation of operational procedures and technical documentation of all Storage and SAN related projects and follow proper change management procedures. TECHNICAL SKILLS: Cloud Services EC2, Lambda, S3, Elastic IPs, EBS, Security Groups, Route 53, VPC, Elasticache, Elastic Beanstalk, RDS, DynamoDB and Cloud Formation, SNS, CloudWatch and more. Storage Arrays VMax3, VMax2, XtremIO, DMX-4, DMX-3, Isilon, Unity, VNX2, Hitachi USP/VSP and CLARiiON CX4-960/480/240, CX3-80, CX700, CX600, NetApp FAS, Data Domains. SAN Switches Brocade Director Switches, McData and CISCO MDS series. Management tools SYMCLI, Unisphere Manager, Navisphere Manager, Brocade CLI, Cisco Fabric Manager, Cisco Device Manager, DCNM, Oncommand Insight, Hitachi Hicommand, storage Navigator, ViPR, Avamar, Business Continuity Solutions EMC Symmetrix based Time Finder-Mirror/ Clone/ Snap, SRDF/S, SRDF/A, SRDF/AR, EMC CLARiiON based Mirror View/A/S, Snap View Clone/Snapshot, Netapp based SnapMirror Migration Tools CloudEndure, Server Migration Service, Database Migration Service. Operating Systems AIX5.3/6.1, Solaris 8/9/10, HP-UNIX 11/11i, Linux and Windows 2k/2k3/2k8, ESX i5.5 Hardware Emulex HBA s / QLogic /SUN Fire/ HP9000 Series and IBM P Series. Employment History: Astir IT Solutions (Apr 2019 to Till date) Cloud Architect Environment: AWS EC2, Lambda, EKS, S3, EBS, EFS, RDS, DynamoDB, Glue, Athena, ElasticSearch, API Gateway, Load balancers, CloudFormation, Kubernetes, Migration services, EMR, RedShift, IAM, Cognito, Detective, GuardDuty. Responsibilities: Hands on experience with AWS services: EC2, Lambda, S3, Glacier, EBS, IAM, Detective, GuardDuty, ELB, SNS, SQS, RDS, Dynamodb, VPC, Route53, CloudWatch, EKS. As Architect, design and propose solutions for setting up infrastructure and operations in cloud. Build and publish Terraform Modules to be used by Team. Work and build Automation around day-to-day Cloud operations. Analyze and troubleshoot production issues. Work in multi-account environments with setup and configuration of baseline standards. Developed and maintained Cloud Formation scripts, automated the provisioning of AWS resources (IAM, EC2, S3, SNS, RDS, ELB and Auto Scaling) Propose and design EKS cluster configuration at organization level. Worked on Spire Zero Trust Framework for containerized workload on EKS. Strong working knowledge of SPIFFEE and spire implementation on Kubernetes clusters. Configure Splunk connect for Kubernetes clusters, monitoring with Grafana and datadog. Work with gp2 and EBS CSI drivers on EKS clusters. Wrote Terraform modules to setup EKS clusters to be used with terraform enterprise workspace. Deployed Istio service mesh and Nginx ingress Controller. Propose and deploy versions of applications using different deployment strategies. Experience with CI/CD using Jenkins, AWS CodePipeline and Integrity. Hands on experience in working with product owners in developing products using serverless services such as lambda, api gateway and Dynamodb. Extensive experience with AWS Systems Manager and OpsWorks. Experience in developing data pipelines using pyspark on AWS EMR. Worked in developing data processing tasks using pySpark such as reading data from external sources, merge data, perform data enrichment and load in to target data destinations. Deploy spark applications to dynamically provisioned EMR cluster. Data ingestion and processing with data pipeline using kinesis firehose, Glue, lambda. Continuous integration and deployment of applications. Used configuration management for different applications running on all environments and manage the production release process that ensures the reliability and availability. Upgraded EKS Kubernetes version. Experience in deploying infrastructure using CloudFormation, Ansible, puppet and python (Boto3) Develop cloud formation templates to provision resources on cloud. Cost mitigation by analyzing the existing infrastructure spending at various resource level. Setup secure, robust, and resilient resources for applications. Design high availability applications on AWS across availability zones and Regions. Working closely with PMO, Developers and QA team from building the infrastructure and application troubleshooting. Technical point of contact to plan, debug and navigate the operational challenges of cloud computing. Extensive knowledge and experience with VPC, subnets, NAT instance, security groups and NACL. Orasys LLC ( NYC HRA) (Jan 2017 to Apr 2019) Cloud Architect Created an AWS Identity and Access Management (IAM) role for specific privileged groups with cross-account access to resources in AWS Account. Plan and implement strategies to migrate applications and databases to AWS Infrastructure. Prepared the Cloud Micro Analysis Document to access the Application Migration Readiness Played key role in migrating on-premises Applications to AWS with Racemi and AWS SMS. Migrate big data and analytics workload to AWS. Spark to EMR Migrations. Setup the AWS Application Discovery Services to discover the environment, dependencies. Configured monitoring and alerting using custom metrics, alarms and automate reactions to events using EventBridge. Extensively worked on Version Control Systems like Sub Versioning SVN and GIT. Worked with HDFS, MapReduce, Spark. Worked on data science project with No-SQL(Cassandra), Python, ML Frameworks TensorFlow and SageMaker. Performed statistical data cleanup, analysis. Developed and performed machine learning models training and testing. Good knowledge of Machine learning, SQL and Datalake. Independent Consultant (GVK Bio, Vimta Labs) (Aug 2015 to Dec 2016) Good hands on with various AWS services and not limited to EC2, S3, RDS, DynamoDB, EBS, Route 53, VPC, Elastic cache, and Cloud Formation templates. Architect and deploy Backup, Archiving and Disaster Recovery in AWS Cloud. Good experience and understanding of various instance classes, AMIs, setting up highly available and fault tolerant EC2 instances using Autoscaling and Elastic Load balancers. Manage servers and applications on cloud. Backup and Disaster Recovery in Multi Region setup. Provide solution for Account and Tag Structure for AWS Resources. Architect and implement Splunk with AWS. Writing code using python, ansible and CloudFormation. Worked with data visualization tools like Tableau and PowerBI. Expertise in version control system tools like GIT. Utilized configuration & automation tools such as Chef and Puppet. Experience with Jenkins deployment and build management system. Good working experience on scripting lang like Shell, Perl, Python, power shell, Ruby, Bash. Good understanding of networking communications in IP address, DNS, DHCP and LDAP. Installed/Configured various services like SSH, HTT, RPM a YUM package management. Awareness of testing process in various tools like SE- (Selenium and JUnit). Knowledge on all phases of SW Development lifecycle (SDLC) and Agile methodology. Hands on experience in managing outages with BMC remedy, Service Now Ticketing Tools. Provisioning of storage from VMAX3 arrays using the SLOs. Planning and execution of end-to-end project to migrate multiple IBM V7000 storage arrays to Hitachi G1500/G1000 and EMC VMAX. As part of tech refresh, worked on Migration and decommission of HP 3Par storage. Replacing EOSL Brocade 48K switches with new DCX switches. Provision Virtualized Oracle FS1 storage through VSP to hosts. Experience with IBM XIV and SVP. Good understanding of performance troubleshooting and compression at storage array level. Integration of ViPR SRM with servicenow. Implementing ViPR SRM discovery for monitoring and reporting on storage infrastructure. Used ViPR SRM for troubleshooting and capacity planning. As Part of Datacenter consolidation project, lead a team in designing and performing storage side process for decommissions. Identifying end of life products and migrate them to latest enterprise arrays depending on their business criticality. Upgrade storage from various legacy arrays. Used EMC's Open Replicator, to execute data migrations from existing Clariion, DMX, Hitachi to new VMAX storage arrays. Experience in Migrating storage various arrays to VMAX using Open Replicator and PPME. Configured, created, pull and push sessions to migrate devices. On VNX Created/Bind LUN's to Storage Group. Manage Quotas on VNX. Configure Control stations and Data Movers. Implemented and Configured Business Continuity Solutions using Time finder BCV/Clone/ Snap for Symmetrix DMX and VMAX2. Verizon Data Services (Nov 2011 to Jul 2015) Specialist Systems Engineer Environment: EMC VMAX, VPLEX, DMX-4/DMX-3, Cisco MDS series, Brocade 48K, 12K, 4900, SYMCLI 7.x, Clariion CX4-120/240/480/960, CX3-40, NS 704/NS 480SMC 7.0, Navisphere Manager6.x, EMC Power Path, AIX 5.3, Solaris 8/9, HP-UX 11.i, Windows 2000/2003 and RedHat ES3/ES4 Linux. Responsibilities Performed request-based provisioning, configuration changes using Symcli, SMC, and Navisphere. Allocated storage to variety of operating systems comprising of Unix, Vmware ESX and Wintel machines using Thin Provisioning and Auto provisioning features on the VMAX. Provisioning of storage from EMC VMAX, DMX, NetApp, Hitachi Storage arrays. Implemented Virtual Provisioning from VMAX array to hosts by creating Data devices, thin devices, Thin Pool, binding Thin devices to Pool and masking Thin devices to the host. Experience with RecoverPoint replication appliances for off-site data replication and disaster recovery. On VPLEX Configure Distributed devices, expose a virtual volume to hosts, manage consistency groups. As Part of Datacenter consolidation project, performed storage side process for decommissions. Identifying end of life products and migrate them to latest enterprise arrays depending on their business criticality. Upgrade storage from various legacy arrays. Used EMC's Open Replicator, to execute data migrations from existing Clarrion, DMX, Hitachi to new VMAX storage arrays. Experience in Migrating storage various arrays to VMAX using Open Replicator and PPME. Configured, created, pull and push sessions to migrate devices. Implemented FAST for Virtual Pools (FASTVP) on VMAX2. Created FAST Policies, TIERS, associated storage groups with different policies. Perform Health checks, monitor performance and load balancing workloads on VPLEX. Worked with Netapp SnapMirror for data replication. Performed change activities and worked on Service requests routed to the storage team. Analyzing Grabs and Heat Reports for Pre-migration. Used Elab navigator to check end-to-end software compatibility for san components. Implemented Auto provisioning by creating Initiator Groups, Port Groups, Storage Groups, and Masking Views for the V-MAX system. Allocated storage from VMAX, DMX4, DMX3 and ClariionCX3-40, CX4-480, CX4-960. Virtualize and allocate storage through VPLEX. Used EMC Grabs and prepared migration scripts to migrate data using Open Migrator, Open Replicator, and SanCopy. Upgraded hosts as per the HEAT report and installed / upgraded and configured Power Path for AIX, Solaris and Windows Operating Systems before migrating to the new storage arrays. Migrated TB s of data using Open Migrator/Open Replicator from DMX-4 to VMAX and SANCopy to migrate data from CX4-120 to CX4-960. Created Thin luns and Meta luns based on the application requirements using SYMCLI, Navisphere Manager. Implemented Virtual Provisioning in VNX 5700, CLARiiON CX-4 using Unisphere and Navisphere Manager 6.x respectively. Provisioning from HDS USP and VSP arrays. Used TSM and UVM for migrations. Responsibilities also include registering hosts, creating RAID groups, binding LUNs, and adding luns to Storage groups using Navisphere and NaviCLI for various UNIX and windows hosts. Experience of using ViPR SRM for generating reports for the management. Used SRDF for Disaster recovery and have tested restore from R2 to R1 after establishing SRDF links. Supported near-time data replication to disaster recovery/failover sites using RecoverPoint. Configured and allocated storage for VMware hosts from DMX-3/DMX-4 and Clariion including configuration of port flag settings for FA ports. Performed Brocade Switches Code upgrades. Configured Zoning on Cisco switches MDS 9513. Experience with EMC Data Domain backup Strong Knowledge of EMC Avamar concepts, Good understanding of Avamar process flow & error codes. Good understanding of software development life cycle methodologies and operating models (agile and waterfall) Winsor Systems (CtrlS Data Centers) (Oct 2008 Oct 2011) System Administrator Environment: EMC Clariion/Symmetrix, Navisphere, NaviCLI, Networker, SnapView, MirrorView, Powerpath, BCV, SRDF, Zoning, TimeFinder, McData switches/directors, Brocade Directors, EMC control center, EMC Recover Point, Emulex, Qlogic HBA, Microsoft Windows, Linux, AIX servers. Responsibilities: Implemented SAN with CLARiiON Series, created Storage groups, assigned LUNs to Hosts using Navisphere manager, ECC and NaviCLI. Monitoring & troubleshooting hardware & software issues. Designing and Implementation of SAN & NAS Storage solutions in WINDOWS & UNIX Environments. Installed and configured the NaviSphere Agent/CLI on UNIX and Windows Servers. Create SANCopy Sessions using NaviSphere Manager to perform migration. Configured Snapview Snapshots and Snapview Clones on CLARiiON CX Series Sub-Systems. Performed configuration changes with SYMCLI. Implemented and managed switches/directors. Managed switches with vendor specific GUI. Most of the switches configured are EMC Connectrix family. Knowledge of Connectrix manager and Fabric manager. Data growth analysis and storage resource forecasting also comes under my responsibilities. Experience in Clariion, DMX, ECC support, Storage provisioning and decommission support Experience with Connectrix Manager and data Fabric manager, Zoning, LUN allocation, Storage allocation to Host groups. Installed and support Navisphere MGT software for storage allocation Experience in binding Luns, Naming, and resizing, Unbinding Luns through Navisphere. Experience in creating zones and zone sets and fabric configuration Installed and maintained Clarion CX 700,500 3-20, 3-80 and LUN masking and Zoning and Hosts configurations. NAS quota Management, near store Administration, NFS exports, Data migration administration and Ontap Upgradations on FAS3000 & FAS6000 series. Network Appliance Data ONTAP running on NetApp FAS6000 in fail over configuration. Creating Filesystems, CIFS shares and NFS Exports NAS Administration, Net apps filers installation, on tap upgrades, snap mirror and quota, qtrees Administration. Fabric Manager, Connectrix Manager Administration for Zoning Work Flow ticketing systems, Change management, incident management and Break fix issues follow up and support Supervise network monitoring standards, security, Health checks, resource utilization and stability. Installed and configured Secure ssh software to provide secure login, shell and data transfer with the support of ssh1, ssh2, telnet, and serial connections. Responsible for day-to-day System Administration on Sun Solaris servers. Monitoring system resources, logs, disk usage, scheduling backups and restore. Installing operating systems, patches, hardware, vendor software packages, system customization and documentation of all departmental UNIX, PC-based workstations and terminal. General system administration including NFS, NIS and DNS Active Directory configurations and maintenance. Worked closely with DBAs to ensure optimal performance of databases and maintain development applications and databases. Assembling the systems and installing operating system and application software. Installing Operating Systems and Application. Installed Solaris and Linux and created user logins, administered the system performance and monitoring user activities. Installed VERITAS volume manager and implemented various RAID levels, logical volume creation, mirroring and file systems. Management and support of internal DNS, and NIS servers. Maintaining system securities. Professional Trainings: Amazon Web services Microsoft Azure RedHat OpenShift Cloud Computing SNIA Storage Area Networks fundamentals EDUCATION: Master s in computer science 2008 (University of Illinois at Springfield) B.Tech in Electronics and Communications Engineering 2006 (JNTU, Hyderabad) LinkedIN: https://www.linkedin.com/in/raj-c-813802152/ CERTIFICATION: AWS Certified Solutions Architect Associate. EMC Proven Professional (EMCPA) - Storage Technology Foundations (E20-40) Candidate ID: EMC184786(2008) Keywords: cprogramm continuous integration continuous deployment quality analyst machine learning user experience sthree information technology hewlett packard Arkansas Idaho |