System Administrator Project

Manish Singh

+91-999******* E-Mail: **********@*****.***

Career Summary

IT Infrastructure professional with 10+ years’ experience in enterprise architecture, Linux Administration, Multi-Hypervisor Virtualized Infrastructure, Public and Private cloud administration (AWS, OpenStack, CloudStack),Software Defined Networking (SDN), Network Function Virtualization (NFV), Networking, IT Infrastructure Management, Customer Engagement, System & Network Management, Data Center Operations

Professional Experience:

Nov 2015 Design and Planning Specialist – Linux, SDN and Cloud - Nokia

Providing architectural solutions for infrastructure projects- Compute Virtualization, Cloud, Docker and Kubernetes, SDN/NFV, HA, and other offerings includes, AWS and Openstack Cloud

Conduct proof-of-concept, overcome objections and compete against competitors to achieve technical wins.

Work with alliance partners and build solutions for client requirements

Keep abreast of product knowledge and transfer knowledge to sales, SC teams, and other relevant constituents within the Nokia and Partner community.

Handle multiple infrastructure technologies based on project requirements as part of the architecture design.

Designed and Implemented POCs on Cloud Architecture, SDN, SD-WAN, SDDC, Cloudband (MANO tool), NFV

SD-WAN Integration with public cloud AWS and private cloud - OpenStack etc.

Demonstrated POC for Nuage SD-SWAN to many telco giant and enterprises

Thorough and hands-on on LAMP Stack and other Open Source technologies

Work with internal and external clients located in different time zones in APAC – India, China, Singapore, Australia.

Preparation of HLD and LLD as per client

Technologies using:

VMWare vCenter

KVM

Hyper-v

Docker

OpenStack (RHEL, CentOS, Mirantis)

CloudStack

AWS

IPv4 and IPv6, BGP, MP-BGP, OSPF, VXLAN

Linux, Windows Server

Nuage SD-WAN and SDDC portfolio

Work directly with customers to Design & Planning, deployment, Configuration, performance tuning, troubleshoot, diagnose, and resolve technical issues associated with software.

When a solution requires additional expertise, aid by escalating and reproducing the problem to internal development sources until a solution is reached.

Provide customer feedback to executive and development teams to participate in functionality roadmap planning.

Document technical articles or knowledgebase for use by other technical support personnel and/or customers and partners.

Participate in the technical support on-call rotation.

Work cross-functionally within the organization and with external partners.

Conduct proof-of-concept, overcome objections and compete against competitors to achieve technical wins.

Prepare HLD and LLD according to customer setup.

Currently managing Nuage SDN (software defined network) solution by Deployment and Integration under client environment and over Private/Private IAAS solution.

Customers handling:

Netmagic (NTT Communications), SD-WAN Customer, along their OS, Virtualization (KVM), Server Infra and DR

Mar 2015 – Nov 2015 Senior Lead Engineer, IT Infrastructure @ Global Logic

Technologies used:

Cloudstack (4.3.x, 4.5.x) XenServer (Pools, HA, DR, bonding), VSphere Clusters, Linux (Core OS, Multipathing, NFS etc.), HA, DR, EMC SAN Storage (vnx5300)

OpenStack Design, Deployment, KVM, VMware ESXi, Glusterfs, Clvm

Puppet, AWS services

Mariadb Galera Cluster (PoC), DRBD MySQL 3 Node setup

Apache WebServer, Tomcat for client application

DRBD for NFS and MySQL (3 node setup – HA and DR) under in premise infra and AWS Infra.

Amazon Infra setup: AWS EC2, VPC, AWS CloudFormation, Elastic Beanstalk, Docker, Autoscaling, RDS, Docker etc.

Elastic Beanstalk and Docker with tomcat for project

Openstack infra setup for a project – 3 Node setup, EMC storage and KVM as hypervisor

JIRA Ticketing tool

Project 1: CloudStack - IAAS Setup for IT infrastructure

GlobalLogic is now one of the IT organizations which are equipped with Private Cloud IAAS using Open solution using “CloudStack”.

Deployed and configured Apache CloudStack infrastructure in production

Citrix xenserver and vmware vsphere hypervisor and EMC storage for virtual machines

Successfully executed P2V Project involving virtual environment of over 150 physical machines; it solved space and power capacity constraint at Data Centre

Provided complete L3 support for VMware virtual infrastructures.

vSphere VMs migration to Citrix XenServer with complete accountability of planning, designing and implementation.

Configured EMC VNX 5300 SAN storage as datastore.

Project 2: AWS Infrastructure Setup and Migration

Designed and configured AWS setup for client project.

Successfully migrated applications, from colo and in-premise data center.

Setup AWS services like, EC2, S3, ELB, Autoscaling Servers, Glacier, Storage Lifecycle rules, Elastic Beanstalk, Cloud Formation, Cloud Front, RDS, VPC, Route 53, Cloudwatch, IAM & Roles, SES, SNS subscription service.

Project 3: OpenStack for Client

Installed and configured Openstack Havana with HA node setup and KVM as hypervisor, EMC as storage in production from scratch. OpenStack components used: Nova, Keystone, Neutron, Cinder, Horizon.

Project 4: OpenStack PoC for Client

Implemented Openstack Havana and kilo PoC for GL clients. EMC as storage for virtual machines and VMware ESXi as hypervisor with HA. OpenStack components used: Nova, Keystone, Neutron, Cinder, Horizon

(July’ 2013 - Sep 2014) Consultant – Product Support @ GlobalLogic

Worked at Global Logic Pvt Limited. I am expert in Linux core system administration and applications administration like Apache, MySQL, PostgreSQL and Tomcat by ensuring optimal utilization of resources. Openstack private cloud (IAAS) installation and configuration and Client project CLM (BMC Cloud Lifecycle Management)

Technology used:

RHEL 5/6, CentOS 5/6, Ubuntu 12/13

JIRA Ticketing Tool

Configuration and Software deployment – Puppet and BMC Bladelogic

Openstack Solutions (Standalone and Distributed setup) under client infrastructure

vSphere HA and DRS cluster design considerations

LAMP, Tomcat 6 and 7 with LB and Cluster

MySQL with Master-Master/Master-Slave Replication, PostgreSQL Streaming replication with HA

Shell and Bladelogic NSH Script

Open Source Application Installation and Configuration

Elastic Load Balancer(ELB), EC2 Auto Scaling

Monitoring EC2 using CloudWatch alarms, CloudWatch metrics & SNS

Creating Buckets, Uploading & Downloading from S3,

Granting Rights, Policy to specific users and group

Deploying reliable(HA) DB using Multi-AZs

Creating Delivery Methods and Content delivery Steaming using S3

Progressive Content delivery using S3

Making CloudFront delivery using Edge of S3 services

Creating hosted Zone and record set on route 53

DR setup on cloud using HAProxy ELB

Securing environment using AWS VPC and IAM roles

(From Jan 2007 to Jul 2013) Network 18 Media and Investment Pvt. Ltd.

Network18 . For them, web18 is Developing, Maintaining, and representing many LAMP based websites. Some famous products are: Moneycontrol.com, IBNLive.com, CricketNext.com, Ibnkhabar.com and so many

.

My work was to handle Server Infra, OS hardening, Patching/Upgrading, Open Source software configuration and fine tuning (LAMP), MySQL and Postgresql Database with HA, Replication, Cluster Management, LVS, Managing virtualization using VMware ESX, OpenStack (Opensource IAAS Solution – For Private Cloud), Understand different team technical requirements, Design and provide solutions with POC.

Technology used:

OS Platform: Linux (RHEL, CentOS, Ubuntu)

Web server: Apache, Nginx, Tomcat with Cluster solution

Conf. Management: Puppet

Cluster: RHEL Cluster Suite

Virtualization: Citrix Xen, VMware ESX/ESXi, KVM

Databases: Mysql and PostgreSQL

Scripting: Bash Script

Versioning Server: Subversion

Server Monitoring: Zabbix, Nagios

Mail Server: Qmail Server

Load Balancer: NetScaler, HAProxy, LVS

Ticketing Tool: JIRA

Others: DNS, LVM/CLVM, Multi-pathing, OS upgrades/Patching

Details:

Managed 400+ Linux Servers (Bare metal, Virtual)

Installation, Configuration, Tuning of LAMP and Tomcat with Clustering and Multi-Instance setup

Setup and Maintain RHEL Cluster

Openstack grizzly setup for dev and test environment

Installation and Fine Tuning of MySQL and PostgreSQL Databases

MySQL Database Management with Replication and Load Balancing

PostgreSQL with Streaming Replication 9.x, PGCluster for PGSQL v. 8.x

Configure Load Balancing with HAProxy and MysqlProxy for Apache & Mysql

Monitoring of Linux Servers, Services using monitoring tool (Zabbix, Nagios)

Deployed Citrix Xen Server, migrated all machines from VMware to Citrix xen server

Deployed Virtualization using VMWare ESX with HA and DRS

Setup and Maintenance of Subversion Repository (SVN)

Configuration of Squid, Samba, NFS, FTP

Takes regular backup of Databases using Shell Scripts

OS upgrade and Patch management

Identify, resolve problems and troubleshoot

Implement new services quickly

Shell and Perl Script for Task Automation

Help others members to Identify problems and implement new Open source products.

Project Done:

Implemented Streaming Replication on Postgresql 9.0

Deployed VMware ESX for virtualization

Deployed Virtualization using Citrix XEN on Blade Servers

Migrated Apache Web Servers from traditional Servers to New Blade Servers

Migrated Postgresql and Mysql Database server to New Blade Servers

Setup Postgresql Clustering and Replication with HA solution

Setup Mysql Replication

LVS for Apache web servers

AWS EC2, S3, Cloud Front, Route53 setup as standby/backup for websites

OpenStack Grizzly setup: Nova, Quantum, Cinder, Horizon

(July 2006 – Jan 2007) System Administrator @ Bansal Group of Companies

I was designated as System Administrator and responsible for providing support for Windows, Active Directory and mail system, to company personnel and Food Court in Mall and Hotel Section. Infrastructure were consists of 150 Computers, 4 Windows servers, 3 Linux Server.

PROJECT DONE:

1)Bansal Group: Setup Network Infrastructure of Corporate Office, Mall and Clarks Inn Hotel (Section of Bansal Group). Configure all servers including windows 2000, DC, ADC, DHCP, DNS, RIS, SQL 2005, Fedora Linux, Sendmail (Local Intranet Mail), Squid Proxy Server (with NCSA authentication), Apache Web server. Sets Group Policy for Desktop and user Restriction.

2)Pacific Taj (Bansal Group): Setup all the Network Infrastructure of Pacific Taj in Agra. Configuration of DC, ADC & SQL server, Implementing Policy and Proxy. Sets Group Policy for Desktop and user Restriction.

Professional Certifications

Red Hat Certified System Engineer (RHCE) - 120-198-791

Red Hat Certified System Administrator (RHCSA) - 120-198-791

Attended VMWare vSphere Install, Configure and Manage

Attended RHEV course

Nokia Nuage SDN, SD-WAN, NRS-1

Academic Education:

BSc. IT from Sikkim Manipal University

Pursuing MSc. IT from Sikkim Manipal University

Date:

Place: (Manish Singh)

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