Vivek D Singavarapu ********@*****.***
Status: Greencard
M.Sc., B-Tech. Mobile and Distributed Computer Networks.
Brentwood, CA
Qualifications
IT Systems engineer offering 18 years of hands-on experience working as a Server Support Engineer professional. Has been directly responsible for leading technical teams both locally and global offices and has expertise in escalated support issues. Certified and trained in many technologies like Exchange, Windows, F5, AD, VMware, AWS, Azure, GCP, and Citrix Cloud. I have a depth of experience in the design, architecture, installations, upgrades, and maintenance of Citrix farms, NetScalers, and Data encryption software. Experience with the Citrix XenApp and XenDesktop technologies. Worked on NetApp, EMC, SAN, and NAS CIFS Storage as well. Worked on end-to-end Infrastructure projects, Server farms and Data-Center site builds. Automation is my main motive going forward. Worked on SDN via Chef/ Puppet/ Python/ PowerShell and bash source-controlled code.
Experience
Client: UCLA
Employer: Dynamic Tech work
Sr Systems Engineer. 03/2019 - Present
Los Angeles, CA
§Managed UCLA Citrix VDI Cloud Infrastructure. Build and configured all Citrix components from Delivery Controllers to XenApp servers. Managed the infra via Citrix Studio and Director, Cloud Connectors.
§Hands on exp on Citrix Storefront servers, NetScaler’s and F5’s, Citrix GPO’s and images
§Citrix PVS provisioning and building gold vDisk images. Publishing apps and delivery groups.
§Citrix UPM and AppSense profile management experience and Citrix L3 SLA tickets.
§Manage Infrastructure on AWS, GCP, and other cloud services using DevOps orchestrating software.
§VMware ESXi 5.1 experience including Site Recovery Manager (SRM), vCOP and vCloud Director Worked on VMware vSphere 6.7 and 7.0 - hands On Experience working on Site Recovery Manager, VROps, vRA, vRO and vSphere Replication
§HandsOn experience on Service Now, SCCM, Citrix XenApp, Splunk, Azure Portal, Exchange, Windows and Linux OS, Patching, Tickets SLA, and Service Delivery.
§Worked on Azure Cloud and GCP cloud to deploy and maintain (IAAS / PAAS) services.
§Create Resource group, managed images via terraform, Configured VPN tunnels, and managed the Cloud instances for our clients.
§Other networking techniques from the standpoint of implementing appropriate IT security and isolation techniques across IT security zones.
§Deployment of security patches to test environments than to production (Infra servers), and following up after the deployment to ensure success rates are high, fixing any problems where they arise with Azure and GCP Cloud.
§Provide support to IT projects, making sure any changes to the
§Managed and implemented Windows and Linux infrastructure.
§Lead a team of six technical analysts, spread across the globe to make sure the project meets its timelines.
§Worked on Azure Cloud and GCP cloud to deploy and maintain (IAAS / PAAS) services.
§Create Resource group, managed images via terraform, Configured VPN tunnels, and managed the Cloud instances for our clients.
§User multiple data encryption NordLocker to be HIPPA compliant for all health care needs
§Managed Elastic and Public IPs for all our gateways and load-balanced all web services.
§Other networking techniques from the standpoint of implementing appropriate IT security and isolation techniques across IT security zones.
§Deployment of security patches to test environments than to production (Infra servers), and following up after the deployment to ensure success rates are high, fixing any problems where they arise with Azure and GCP Cloud.
§Provide support to IT projects, making sure any changes to the Server Environment are built in a measure and controlled manner
§Escalate any Incidents to third-party vendors.
Client - Facebook,
Enterprise Engineering InfraServices.
Employer – Global Infotech 03/2015- 03/2019
VDI Team - CSM
Menlo Park, CA
Managed and implemented Citrix infrastructure at Facebook, both On cloud and Onprem.
Managed AWS instances for our VDI Infra and create and deploy EC2 instances via code.
Senior DevOps role in Citrix infra. Migrated entire virtual desktop infra to code defined.
Managed advanced AWS Components like EC2, CloudFront, RDS, Lambda, and Elastic Beanstalk.
Broad skills and experience in deploying, debugging, and managing systems in cloud environments such as AWS.
Data encryption technologies like AxCrypt and Crypt Forge to be compliant and secure.
Ability to build and maintain continuous integration (CI) and continuous deployment (CD) systems for complex, distributed applications, using tools like Jenkins.
Manage and architect XenDesktop 7.X/ Storefront 3.X / Delivery Controllers / NetScaler’s.
Worked on Cypherix SecureIT data encryption for security.
Worked on both Windows and Linus operating systems virtual machines.
My main responsibility was automating all our tasks with Chef recipes and cookbooks.
Submit Chef diff to a Source controlled environment to make any changes to the env.
VPLEX Data Mobility and Migration: Implementing Planning and Best Practices
Supported the NetApp array and documented the VPLEX support matrix.
NetApp is configured as an ALUA array.
Documented Encapsulation procedures of NetApp specifically.
Data Mobility (Data Migration) is covered in the VPLEX Product Guide.
Implementation and configuration of NetScaler features including Load Balancing, Content Switching, SSL Offloading, URL Rewriting, Responder, Global Server Load Balancing (GSLB), GSLB Routing Methods, Content Filtering, Coaching/Compression, and firmware/version updates.
Authentication systems integration (DUO and RSA tokens/RADIUS)
preparing and maintaining documentation, policies, and instructions, and helping the team with a wiki that includes operational procedures.
Maintain the day-to-day operations of our MDM solutions (i. e. MobileIron, etc.) including application deployment and settings distribution
Administered 2Fac authentication protocols like DUO.
Work as the escalation point between various support teams for issues on the client platform
Worked on AppSense / Norskale UPM (Profile Management software)
Write scripts/cookbooks that automate application and settings distribution using internal tools
Sr. Systems Engineer
08/2014 – 02/2015
Client: Cargill
Employer: Fidelis Group
Minneapolis, MN
Senior systems engineer for Common Apps team supporting global SAP network.
Support Tartan Citrix Environment with PVS and XenApp 6.5 2008 servers.
Working with NetScaler and load balancing the Citrix infrastructure
Working on NetScaler SSL offloading, PCI reporting, and monitoring. Configured NetScaler to client-specific farm needs.
Drive business decisions through data using tools like Splunk and Tableau
Identify internal process and automation improvements and deploy scalable technical solutions
Integrate with other internal systems and tools
Manage transition plans for major upgrades or patches
Administer client system management tools (i. e. Chef, Puppet, Antivirus, Encryption, & Backup)
Managed advanced AWS Components like EC2, CloudFront, RDS, Lamda, and Elastic Beanstalk.
Broad skills and experience in deploying, debugging, and managing systems in cloud environments such as AWS.
Worked on App-Flow/ App Expert and auditing on Citrix NetScaler
Performing Engineering and operational procedures.
Maintenance of backups and run daily/ weekly and yearly backups for data recovery procedures, run regular restoration and recovery of backed up data, and enforcing security and integrity controls
Managing the database systems and upgrades, such as debugging, tracking, reproduction, logging, and resolving all identified problems
Managed a team to UAT approve quality testing scripts, procedures, and processes
Created production images for Windows 8, Server 2012, and Wintel stack servers. All images are loaded with licensed software and other tools/utilities
experience scripting/coding in either Python or Ruby
experience with version control software
Client - Beazley Group,
Employer - Fidelis Group 11/2011- 07/2014
Infrastructure Engineer
Farmington, CT
Worked as an Architect for the WTP Project (Workspace transformation Project)
Lead a team of six technical analysts, spread across the globe to make sure the project meets its timelines.
Knowledge and experience in the following NetScaler areas, Virtual IP addresses, VLANS, Reverse Proxy, DMZ, Network Address Translation (NAT)
Other networking techniques from the standpoint of implementing appropriate IT security and isolation techniques across IT security zones.
Deployment of security patches to test environments than to production (Citrix and Desktops), and following up after the deployment to ensure success rates are high, fixing any problems where they arise
Provide support to IT projects, making sure any changes to the Desktop Environment are made in a measure and controlled manner
Maintain the Citrix Access Gateways for users to access from across the globe
Install and configure SSL certificates for the web-based portal
Test and publish maintained build to the production environment when required
Check its health and run regular reports to make sure they are working as expected
preparing and maintaining Operational documentation
Maintain Group policies and installation instructions
Recording and detailing operational procedures and system logs and events.
Leading the team to achieve business targets and timelines.
Employer - Fidelis Group
9/2010 – 5/2011
Systems Engineer
Little Ferry, NJ
IT Systems Engineer handling the company’s 100+ servers and also handling 30+ hosted networks for the client.
Worked on VMware, vSphere 4.0. dealt with ESX, ESXi servers
Design and Implementation of a VMware vSphere environment using VCenter 3.5 and ESX 3.5
Upgraded firm-wide Citrix environment, Upgrading AG 4.5.7 to 5.0.4. and XenApp Version Upgrade
Upgraded the Citrix servers, all hardware, and operating systems into a Citrix farm
Experience in design, deployment, and maintenance of NAS environment using NetApp and EMC Celerra
Strong experience with Business Continuity Solutions using SnapView Clone/Snapshot, SANcopy (CLARiiON)
Worked on Update Manager to schedule automatic updates on VMs
Designed and implemented a true monitoring solution using (SCOM) Systems Center Operations Manager and SiteScope
troubleshooting and providing service support in diagnosing escalated issues.
Resolving and investigating server-related RCA’s and hardware and software malfunctions, encompassing workstations relaying infrastructure
Proficient with Apple/Macintosh workstation/laptop clients
Experience with operating system administration, support, and design including Windows 2003, Windows 2008, Active Directory Forests, Citrix Servers, and Group Policies management.
SharePoint 2007, 2010 and Windows SharePoint Services, MOSS administration
Worked with Cisco 6500s and 3560 access layer switches
Hands-on experience on Windows Latest OS and can troubleshoot high-level issues
Good knowledge and understanding of IIS 6.0 and the latest 7.5 Tools, ASP.NET application deployment and troubleshooting and managing IIS servers, Apache and MYSQL servers
Configured conversion tools such as VMware VCenter converter and guided consolidation services
Experience HA/replication using XOSoft
Administration of multiple varieties of Linux, and Windows in a multi-vendor environment
Deployed monthly Microsoft security patches to both servers and workstations via WSUS
Created production images for Windows desktop and server OS. All images are loaded with licensed software and other tools/utilities
William Hill Organization
10/2007 – 6/2010
Windows System Administrator
Leeds, UK
Created and maintained accounts, groups, and policies in two different environments: Active Directory Forests and eDirectory
designing and maintaining database architecture for control apps.
Managed the File and Print environment on Netware 5, Netware 6, Windows Server 2000, & Windows Server 2003 systems.
troubleshooting and finding RCA’s.
Providing service support in diagnosing, resolving, and repairing server-related hardware and application-related issues.
Used event logs, performance monitor, and Memory utilization to manage Windows desktop and server OS
GE Consumer Finance
5/2004 – 8/2007
Desktop Support/Network Administrator
Leeds, UK
Traveled to various sites to manage IT support-related issues
Provided Remote support to all users across UK, Dublin, Gibraltar, and Spain
Supported Citrix and windows servers and WinTel Servers
Worked on VMware on P2V conversations for ESX servers on entry-level
Raised estate-wide notifications for high-priority issues
Provided second line Remote technical support to estate-wide users
Provided Remote support for Executive Directors and Management team across all sites
Diagnosed technical and operational software problems on installed systems
Diagnosed and solved hardware problems, working with our vendors as applicable
Planned and scheduled installations of new server hardware, and associated supporting peripherals
Meet project deadlines (Priority for meetings and sporting events)
Thorough knowledge of Microsoft desktop and networking operating systems Windows desktop and server OS
Thorough knowledge of the Microsoft Office suite, with emphasis on Microsoft Outlook when configured with Microsoft Exchange Server.
Experience in the deployment of desktop and laptop PCs via manual rebuild and automated images
Education Details
Masters – M. Sc - Mobile and Distributed Computer Networks - Leeds University, Leeds UK
Bachelors – B-Tech – Electronics and Communication Engineer – J.N.T.U, India.
MCSE, CCNA, MCDST, VMware, Splunk, CHEF.io, F5, Citrix, Python, Ruby, PowerShell, Scripting, AppSense, Microsoft apps, Linux, shell scripting, ITIL, TPM, Analytics, InfraServices, End User Computing, Networking, AWS, Azure, Cloud computing, SAN, NetApp, EMC, VMware, Virtualization, Hyper-V, Azure, AWS.