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Sunil Ambati - Site reliability engineer

[email protected]

Location: Dallas, Texas, USA

Relocation:

Visa: GC

Sunil Ambati Email: [email protected] Office: 469-929-9855 Objective / Goal__________________________ Be part of a growing company, helping leadership and the company achieve strategic goals. As part of IT teams delivering successful IT Projects ranging from; mid-size, to large and complex Enterprise level I have used my 16+ years of IT Leadership, Project Management and Technical experience to help companies reach their goals. Offer below Experience and Expertise as required by the role/team/leadership: o Cloud Journey Migration and Development o Infrastructure Management o Team building o IT Project Management o Maintenance and Operations o Release Management / Delivery Management o Technology Reset / Align teams for future organization needs o Middleware Consultant / Websphere administrator / Infrastructure administrator. Summary___________________________ Gather requirements, do analysis and design specification, coding, build, integration, and testing of Enterprise applications. Experience working on Azure cloud, IaaS and PaaS Services, Azure Couchbase, Azure storage and Azure Services, Microsoft AZURE Classic and Azure Resource Management (ARM) Hands on experience working with Azure Cloud technologies and knowledge on AWS Cloud, Azure DevOps, Microsoft Azurefor Analyzing, troubleshooting. Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies with Jenkins and Terraform. Experience working in Agile/Scrum environment. Over a decade of experience in Microsoft technology, with a strong focus on Azure, Azure Virtual Desktop, Azure Storage, Azure Networking, Azure Security, Azure Active Directory, Azure Monitoring and Telemetry, M365, EMS, Citrix, CVAD, and MEM. Experience in configuring and monitoring with DynaTrace Strong experience in setting up PaaS, SaaS and IaaS Experience in Container Orchestration Platform Kubernetes, including using Docker Containers Applied Architectural principles and produced successful solutions with design pattern modeling, analysis, & programming SME for real time varied projects from the design & developmental stage to implementation into production stage. Proven track record in designing end-to-end virtual desktop solutions by analyzing business requirements, evaluating existing infrastructure, and creating scalable, secure, and high-performance architectural systems. Experienced in build tools such as Apache Ant, Maven and CI Server such as Jenkins Expertise using Version Control Tools such as Sub-Version, GIT. Skilled in providing technical leadership for deploying cloud environments and developing modernization roadmaps. Experience on both Windows and Linux platforms such as RHEL, Ubuntu, Centos Experience in Installation, Configuration and Administration over a variety of Web Servers such as Apache, IBM HTTP Server, IHS, tomcat Web Servers Public Cloud Journey and identifying cloud providers like Azure Cloud, and IBM Public Cloud. Public Cloud Migration Projects experience from migrating applications from on prem Data Center to Public Cloud. Implementation and Documentation of Business Continuity/Disaster Recovery Expertise in Installation/Configuration/Administration of WebSphere ApplicationServer and Websphere Portal Server, Websphere Commerce Server, Pivotal TC Server Experience in managing other Application Servers such as Weblogic Server, Apache Tomcat, JBoss Application Servers Involved in setting up a new Production environment by creating and managing the Nodes, Application Servers, and Clusters for Load Balancing and Fail Over Experience with LDAP, SSO (Single Sign On), WebAgent configuration, CA Siteminder, and VIPs (Virtual IP address) Responsible for applying patches and fixes to WebSphere versions (6/7/8/8.5.x) to bring it up-to-date Created Horizontal and Vertical Cluster for Load Balancing and Fail-Over Scenarios Expertise in application deployment (JAR, WAR, EAR files) and troubleshooting WebSphere Application Server, Websphere Portal Server, IBM Http Server and WebSphere MQ related issues. Designed security architecture for Access Control and Identity Management and Implemented Identity Management and SSO with Active Directory, SAML,OpenID and Oauth2. Worked on various fine-tuning settings for the jvm s to report data to the monitoring tools to capture crucial data during the load tests to analyze the performance of several applications Experience in using debugging tools such as IBM Heap Analyzer, Log Analyzer, IBM Thread Dump Analyzer, Log Analyzer Expertise in providing 24/7 on call support and various procedures in escalation and outage resolution Helped to release environments from DEV through Production for various applications till date Highly skilled at solving typical problems to provide high availability for business users and customers Project Management experience in initiation, planning, execution, monitoring and delivery processes. Thorough understanding of PMI methodologies, processes, procedures, tools, techniques and best practices. Worked in Matrix and Functional organizations. Worked on Data-center operations including Azure Cloud and Government Datacenters and focused on networking operations, monitoring systems and applications. Experience in delivering Web (Internet/Intranet) Based, Business Systems Development, Client-Server, Distributed systems, Database related, Disaster / Recovery Systems, Server Migration/Upgrades, Custom IT Solutions, IT Services related, Enterprise Development and Maintenance Projects. Education / Certifications_____________________ Master of Science in Statistics and Mathematics December 2004 University of Missouri Kansas City Bachelor of Computer Science May 2000 Pydah College, Andhra University India o Certified Azure Administrator o IBM Certified Websphere System Administrator Tools______________________________ Orchestration tools:Kubernetes, Prometheus, Docker Compose. PACKAGES: MS OFFICE, MS Excel, MS Project, MS Power Point, Azure Monitoring and Telemetry, MS Visio, M365 and EMS. CLOUD ENV: IBM Public Cloud, Azure Public Cloud, HP DataCenter, Savvis Data Center, Tulsa/Plano Data Center, VzB Private Cloud, IBM Bluemix, IBM Softlayer Monitoring tools: Dynatrace, ITCAM, Log analytics, COLLAB TOOLS: Slack, MS teams, Webex, Zoom, Skype, Jabber, Skype for Business, Hangouts Middleware: IBM Websphere ND/Commerce Server, Tomcat, Apache, Websphere Liberty, Jboss, Weblogic, Frontend: NGINX, Ingress NGINX, Apache, Tomcat LANGUAGES: JACL, Ansible, Jython, Shell, Java, JSON, C#, PowerShell, Python, Bash, Terraform, YAML. PROTOCOLS: TCP/IP, FTP, HTTP, HTTPS, TLS, SSLV3 SOURCE CODE: GitHub Enterprise, Clear Case, CVS, VSS, Tortoise, Accurev. Professional Experience_________________________ Sr Site Reliability Engineer / Azure Cloud Engineer Oct 2020 Current Microsoft Corp Environment: Azure Public Cloud, Red Hat Linux, VMWare, Windows, SAN, Data Center, Public Cloud Migration, Cloud deployment, OpsView, SolarWinds, Dynatrace, AppDynamics, .NET, Java, Hibernate/Spring Framework, On-prem Data center, Azure Networking, Terraform, Azure App Services, Functions, Azure Container services, Devops Pipeline, Responsibilities: Acted as a key technical point of contact for critical customer issues, focusing on swift resolution and mitigation. Worked on Windows and Linux server support. Worked on Cloud deployment/ architecture (AWS, Azure). Expertise on System Monitoring (OpsView, SolarWinds) Application Performance Management (Dynatrace, AppDynamics, Azure cloud monitoring) Worked in Infrastructure, Enterprise & Solutions Architectures, Technical Evaluations and Solutions using Azure Monitoring in Cloud ready for evaluating applications and resolving, configuring ServiceBus Logic Apps. Worked on multiple systems, Virtual machines, Virtual Network for server backup and restore Implemented Azure Site Recovery, and Azure Backup, and secured communication between Azure services and virtual networks. Conducted in-depth analysis of complex technical problems, utilizing debugging tools, logs, and diagnostics to identify root causes. Configure security for your APIs using various authentication methods, such as API keys, OAuth 2.0, JWT validation, or client certificates. Used Azure blob Storage for storing and managing data in a scalable and cost-effective manner. Utilized Azure Automate for cloud-based process automation, configuration management, and update management. Migrated on-premises infrastructure and applications to deploy Azure, Azure Regions using Azure Site Recovery, PowerShell and Azure Resource Manager using PowerShell, Bash, terraform. Collaborated closely with product development teams to prioritize and escalate critical issues, ensuring timely fixes and updates. Leveraged Terraform and CloudFormation for server provisioning using infrastructure as code Delivered high-quality technical documentation, including knowledge base articles and best practices, to assist customers and internal teams. Provided mentorship and guidance to junior engineers, fostering a culture of continuous learning and skill development. Received [Internal Award/Recognition] for exceptional performance and dedication in resolving a critical customer issue. Provided frontline technical support to enterprise customers, diagnosing and resolving software and hardware issues across Microsoft product portfolio. Collaborated with customers via phone, email, and remote sessions to troubleshoot and resolve technical challenges. Documented support cases, detailing troubleshooting steps, solutions, and lessons learned for future reference. Contributed to the development of internal tools and resources, enhancing the efficiency and effectiveness of technical support processes. Consistently achieved high customer satisfaction scores and received positive feedback for exceptional customer service. Sr Cloud Infrastructure Engineer / Site Reliability Engineer Dec 2012 July 2020 American Airlines Fort Worth, TX. Environment: IBM Public Cloud, Azure Public Cloud, IBM SoftLayer, IBM Websphere, Tomcat, Solaris, Red Hat Linux, EMC,VMWare, Ansible, Chef, Puppet, Octopus, SAN, Data Center, IBM IAAS, VzB Private Cloud, Public Cloud Migration, IBM BlueMix, IBM Softlayer, Java, Hibernate/Spring Framework, Thin JDBC, Dynatrace Reports, , IBM IAAS, HP/EDS Data center, On-prem Data center Responsibilities: Installing, configuring, tuning, troubleshooting, and administering various application server stacks using WebSphere Application Server v7.x/8.x ,ND, Websphere Liberty, Pivotal TC server, JBOSS, IBM HTTP Server, Tomcat Web Server (web servers, application servers, caches, message queues). Expertise in Confidential Exchange Worked on High Availability Systems (clustering, load balancing, failover, disaster recovery) Expertise in Deployment systems (Ansible, Chef, Puppet, Octopus, Azure DevOps SCCM) Worked on Programming/Scripting (C#, PowerShell, Python, Bash) TSM incident management (ServiceNow, Remedy) Wrote scripts in YAML and Terraform to automate the creation of AKS cluster / Resources / deployments that include Ingress Nginx, CSI driver, Storage with private endpoints. Configure infrastructure for .NET and Java software in an agile environment using continuous integration. Coaching and mentoring other Scrum Masters on our program team. Partnering to ensure that our ways of working are consistent across teams Liaising between developers and project stakeholders; fostering quality communication between engineering disciplines Participated in house DevOps training and exposure on how future Bluemix and Cloud operation will be setup, so we can continue to manage infrastructure and databases needed for application to work normally and support data migration if change of target data storage happens. Part of Building/Maintaining AKS clusters managed by Kubernetes, GIT, Docker, on Azure (Azure Kubernetes Service). Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, testdeploy. Made all environments PCI compatible by implementing TLS 1.2 all the way from F5 to the App, which also includes enabling of two way SSL. Monitor the application using Dynatrace, check where the bottlenecks are in the code and work with developers to remediate them. Also Implemented the integration of Dynatrace on Azure Devops. Utilized Terraform for the runtime environment of the CI/CD system to build, test deploy Write scripts to handle everyday System Administration tasks such as backup procedure, system cleanup, everyday system tasks, etc. To achieve Continuous Delivery goal on highly-available andscalable environment, usedDocker coupled with load-balancing tool Nginx. Coordinate with Engineering and QA teams to provide assistance in isolating and resolving product defects Plan the migration of the Websphere application server environments to Tomcat for cost reduction as part of IAAS migration. Install, configure, deploy and manage enterprise applications using websphere/tcserver Also includes server implementation support, workload management and performance tuning of WebSphere and Webserver. Acquired good load balancing concepts and experience with highly available distributed environments, Firewalls, TCP/IP, hardware load-balancing (ideally F5). Debugged several application performance issues while supporting applications on new hardware and modified any config changes needed and recommended necessary application changes to maintain higher environments run at 50% resources available all the time for any peak situations. Migrated applications to cloud environments through automation/orchestration. WebSphere Analyst Costco Wholesale Oct 2010 Nov 2012 2001 NW Sammamish, Issaquah, WA Environment: WebSphere Application Server,Websphere Commerce server, AIX, Linux ITCAM for monitoring, ITCAM application diagnostics. Responsibilities: Installed and configured enterprise applications on IBM WebSphere Application Server V7.x, IBM WebSphere Application Commerce Server and MQ, IBM HTTP Web Server, IIS Web Server on Aix, Linux environments. Maintained development, CFG2, and UAT environments and ensured availability of supported product releases for testing. Implemented, Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server. Install, configure, deploy, and managed Enterprise applications using WebSphere Also includes server implementation support, workload management and performance tuning of WebSphere and webserver. Install, configure and maintain Tivoli application dependency manager to run discoveries, maintain the change management in Dev, QA and Prod Install, maintain ITCAM for monitoring, the health of environments and applications Performed project management activities such as planning, sizing, and scheduling activities. Responsible for analyzing problems, developing solutions and making decisions that impact projects. Software Engineer Sep 2007-Oct 2010 Trizetto Group Greenwood Village, CO. Environment: WebSphere Application Server, AIX, Windows 2000/2003, IBM HTTP Server, WebSphere Portal Server, Responsibilities: Installed and configured enterprise applications on WebSphere, IBM HTTP Web Server in AIX, and Windows environments. Implemented Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server5.x/6.x/7.x. Package, build, integrate and deploy enterprise J2EE applications on WebSphere 5.0 that involves EAR, JAR, WAR files using AAT. Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling. Migrated existing applications from WebSphere 4.0 versions to 5.0 using Waspreupgrade and Waspostupgrade tools. Developed JSP Custom tags to display Data and Graphs. Used Enterprise Java Beans to ease the implementation and development of application components. Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling, and JavaMail sessions. Deployed Session and Entity EJBs in WebSphere. Extensively used document manager, which allows portal users to store, view, edit and share documents with others. Automate application install, uninstall and application enhancements through shell scripts WSCP, JACL scripts using Cron and at job scheduling utilities. JDBC used for accessing embedded and legacy data source Responsible for application changes across different platforms- development, testing and production environments. Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity Programer Analyst Feb 2005 Sep 2007 VISA Inc San Mateo, CA. Environment: WebSphere Application Server 4.0.x/5.x/6.0, IBM AIX, SUN Solaris, Windows 2000, Linux, AIX, IBM HTTP Server, Apache Web Server. Installed and configured enterprise applications on IBM WebSphere Application Server 5.x/6.x, IBM HTTP Web Server in AIX, Sun Solaris, Linux and Windows NT/2000 environment. Implemented Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server5.1.1.11., 6.0.2.9 Package, build, integrate and deploy enterprise J2EE applications on WebSphere that involves EAR, JAR, WAR files using AAT. Worked on Tuning the Web Servers to increase the performance of the applications such as moving the static content onto the Web Server, disabling file serving on the application. Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management (WLM) including horizontal scaling and vertical scaling. Migrated existing applications from WebSphere 4.0 versions to 5.0 and 5.1 to 6.0 using Waspreupgrade and Waspostupgrade tools. Developed JSP Custom tags to display Data and Graphs. Used Enterprise Java Beans to ease the implementation and development of application components. Configured WebSphere resources including JDBC providers, JDBC data sources, connection pooling, and JavaMail sessions. Deployed Session and Entity EJBs in WebSphere. Developed Servlets to handle HTTP client requests by using ServletRequest and ServletResponse Objects Responsible for application changes across different platforms- development, testing and production environments. Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity Provided daily support 24/7 to production applications. Developed software for in house projects in C,C++, Java. Keywords: cprogramm cplusplus csharp continuous integration continuous deployment quality analyst message queue information technology ffive hewlett packard microsoft California Colorado North Dakota Texas Washington