Hybrid Cloud Platform - Solution Architect

Nsquare Technologies, Inc.

Emerging technologies in the Cloud (multiple stacks) and Devops/Automation Toolsets.

Cloud Consultant

Using DevOps skillset/toolsets to maintain and automate the infrastructure of CGI's Global Wealth Clientele

Senior Consultant (DevOps/Systems)

*  Lead evangelist in the senior enterprise cloud architectural team for Managed Private Cloud, using multiple HPE products for financial institutions and banks; Leadership role for global support teams
*  As Cloud Engineer (Principal) released a MPC 5 based cloud infrastructure for a top 3 bank in Canada; and continuing to maintain this private cloud for the bank.
*  Maintain multiple HPE core products (both hardware and software), using various enterprise-level automation tools.
*  Document Operations Management process.
*  Troubleshoot complex “private cloud infrastructure” integration issues; resolving issues related to the “private cloud” and AWS/IBM SL (“public clouds”) integration.
*  Hands-on working experience with HP Blade infrastructure CS700, HP rack servers, HP Cloud System 9, Vmware vSphere 5.5/6, and a large repertoire of ‘cloud tools’ [HP CSA/OO/Helion OpenStack]
*  Worked on a PoC utilizing Redhat OpenShift platform [includes Docker/Kubernetes] within the MPC private cloud, in a heavily firewalled environment.
*  Worked on the "design solutioning" for AWS integration with MPC; and the orchestration/management control of IBM SL via MPC.

Cloud Engineer (Principal)

Proofpoint

*  Maintained VMware ESXi/Redhat KVM machines
*  Maintained multiple core products using automation tools (Puppet 2.6/2.7)
*  Prepared runbooks as well as use pre-prepared runbooks for Operations Management
*  Performed upgrades to products 
*  Performed migrations from VMware ESXi virtuals to Redhat KVM virtuals

Linux Systems Administrator

*  Installed and configured Postgresql 9.0.18 HA cluster over Redhat Enterprise Linux 6.5
*  Performed “requirements analysis” of existing private client’s international data center requirements; thereafter, I setup a new infrastructure using VMware vSphere 5.5 (bare-metal hypervisor)
*  Setup Microsoft Windows Server 2012 (virtual) based Active Directory/DHCP/DNS/WSUS and Microsoft Windows 7 Enterprise/Professional desktops (both physical and virtual)
*  Migrated over 8000 virtual machine appliances into the new VMware vSphere 5.5 based environment
*  Setup AWS-based “hybrid” cloud for client – migrating from on-prem to the AWS cloud
*  TCP/IP parameters optimized for the entire new infrastructure
*  Installed and Configured Wordpress for large scale hosting [Specifically catering to AGILE teams]
*  Installed/Configured Puppet/Jenkins/Splunk/Zabbix; reconfigured Puppet for newer businesses [AGILE methodologies]
*  Troubleshoot and repair Solaris 10 based server environments (firmware upgrade, OS fine tuning)
*  Installed and configured Nagios/Cacti/Zabbix for very large environments (over 5000 servers) [AGILE process]
*  Reinstalled XenServer 6 (misconfigured environments)

Senior Consultant (Linux/Virtualization)

Production/Operational and Project Level support to a very large North America based enterprise client in the following environments:
*  Hardware – HP Blades BL470/BL620 family on HP C7000 enclosures {configuration/troubleshooting}
*  OS – VMware ESXi 3.5/4.1/5.1 (bare metal); Redhat Enterprise Linux (virtual farm)
*  Other – (a) Installed Linux-based security appliances; (b) Installed/Configured HP VMA appliances for HP Operations Manager; (c) Troubleshoot and fix Microsoft Windows Server 2008 active-active cluster for VMware vSphere 5.1; (d) Worked together with other specialized SME teams (Windows Desktop, Windows Server, SAN/Storage, ITIL processes, Project Management, SAP, Database, HP Hardware); (e) Large numbers of virtual machine migrations using sVmotions between clusters spread in multiple data centers in North America; (f) Repair of virtual machines; (g) Worked with HP OpenView and HP OM (Operations Manager) software.

Senior Unix/Linux/VMware Administrator

Performed IT infrastructure “requirements analysis” for a variety of small and medium sized clientele in Boston[Cohen Law Services] and New York City, USA[Dr. Polson’s Clinic].  Accomplished the following:
*  Implemented OpenBSD/PF firewall and routing system for an office of 200 workstations
*  Implemented File Server (SAMBA) with encryption on a SuSE Linux server
*  Setup VoIP using Asterisk PBX
*  Setup Zabbix monitoring using Rackspace Hosting (cloud systems monitoring) [AGILE teams]
*  Implemented High Availability Storage on a FreeBSD cluster [AGILE staff]
*  Installed and configured Zabbix/Nagios/MRTG [AGILE teams]
*  Implemented Microsoft Windows Server 2008 R2 based Active Directory/DNS/DHCP/WSUS
*  Implemented Microsoft Exchange Server 2010 (mailbox only)
*  Configured Wordpress on Rackspace and AWS [AGILE process]
*  Implemented Puppet Enterprise for Vmware-based infrastructure [primarily for AGILE DevOps]
*  Reconfigured splunk to reflect and improve network-related delays [for AGILE DevOps]

Networking Consultant/Administrator

Dominion Voting Systems

Joined this company during its startup phase and moved it to a regular medium-sized organization IT department, having achieved the following:
*  Manual inventory of IT infrastructure; thereafter, automating the process by implementing Lansweeper software
*  Migrated Microsoft Windows Small Business Server 2003 to Microsoft Windows Server 2008 R2 (Active Directory/DHCP/DNS/WSUS for main office in Toronto and 6 branch offices in USA/Europe
*  Implemented Microsoft Exchange 2007 on Microsoft Windows Server 2003, and migrated existing emails to the new environment
*  Introduced and Implemented Citrix XenServer 5.5/5.6, consolidating over 20 critical IT servers into 3 physical machines (initially) and, thereafter, building up a “private cloud” for the expanded “Developer Team”
*  UAT Testing and Implementation of VMware ESXi 3.5 (server side) and VMPlayer (workstations)
*  Installed and configured a wide variety of operating systems (FreeBSD, Redhat, CentOS, Ubuntu) for developer workstations (physical and virtual) as well Microsoft and Apple; as well as LAMP stack for the developers [AGILE team]
*  Installed and configured middleware (JIRA, Clearspace/JiveSBS, Gits, Svn) and databases (PostgreSQL, MySQL, Microsoft SQL 2008) [for AGILE operations staff]
*  Hardware troubleshooting and maintenance of Laptops, Routers, Switches; as well as Microsoft Windows XP/Vista/7 desktop users and Apple Mac users
*  Rebuilt Asterisk PBX server
*  Installed/Configured Wordpress for in-house IT helpdesk [AGILE staff]
*  Setup puppet enterprise for the engineering task force (quick turnaround for specific Line of Business) [AGILE]
*  Provided ongoing support for LAN users in Toronto, and remote users in other branch offices across NA/Europe/Far East Asia using Yugma, LogMeIn Rescue, Webex, and TeamViewer
*  Designed/executed an email subsystem combining Qmail-Fetchmail-Microsoft Exchange 2007; as well as a Qmail-powered ‘subscriber mailing list’ [For developers using AGILE frequently]

Senior IT Administrator

Ishtihaar

•	Remotely managed the office LAN migration (from old office building to new office in New Delhi, India)
•	Re-configured all servers and firewalls
•	Remotely installed a new SAMBA-based file server machine (migrating from an existing older machine to handle the business expansion related data)

Independent Consultant

Senior Enterprise/Solutions Architect[Multi-Clouds/MicroServices/few more]: 10+ years of intense experience with various "clouds" (private, public, hybrid, multi), DevSecOps, Automation (Saltstack/Puppet/Chef/Ansible/Terraform), Container Orchestration (Kubernetes, RedHat OpenShift), Coach for DevSecOps, Thought Leadership in Digital Transformations (US $3m +).  Curator of GenAI, AI, Technical and PMA content.  Ardent life learner.

Taplio

Rajkumar Andrews's Linkedin Analytics

Rajkumar Andrews

What is Rajkumar talking about?

Want to drive more opportunities from LinkedIn?

Taplio

.css-1jgreyo{background-image:linear-gradient(284deg, rgba(39,43,72,1) 0%, rgba(33,47,183,1) 100%);color:transparent;-webkit-background-clip:text;background-clip:text;}Rajkumar Andrews's Linkedin Analytics

Rajkumar Andrews

What is Rajkumar talking about?

Want to drive more opportunities from LinkedIn?

Rajkumar Andrews's Linkedin Analytics