Rohit Mallaya

Experience

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  WNS Global Services

  Jan 2004 - Dec 2006

  Senior IT Support Engineer

  Projects: - In-house Datacenter WNS is a leading global business process Management Company with is offices in major cities of India and also in Sri Lanka and Costa Rica. Setup in Pune consists of 200+ servers and 500+ desktops with in house team supporting the 24*7.Key Responsibilities:-• Part of a local IT support team to provide 24*7 support to servers and desktops in WNS• Worked as a Shift head for the team.• Installation and managing different OS platforms in datacenter such as Windows NT, 2000, SCO Unix, Linux, Novell Netware etc.• Hardware maintenance of different hardware vendors like IBM, Dell etc.• Responsible for Asset tracking and placing new requests.• Responsible for scheduling the backups of servers and troubleshooting backup issues during night shifts.• Single Point of Contact for the Business / Outsourced Contractors / Outsourced Engineers for this project.• Responsible for the overall performance of the Outsourced Engineer / Contractors in this Project. Show less

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  Accenture

  Dec 2006 - Aug 2007

  Unix Administrator

  Accenture, Bangalore Dec 2006 – Aug 2007 UNIX AdministratorProjects: - Morgan Stanley (US) Morgan Stanley is an American multinational financial services corporation with its datacenters available globally hosting 21000 servers and 40000 workstations of Solaris and Linux alone. Server hardware’s include IBM, HP, Dell and Sun Sparc. The entire is customized for security reason and ease of administration.Key Responsibilities:-• Key resource in Unix change team working mostly out of office hours.• Perform upgrades and scheduled maintenance tasks on Solaris and Linux servers.• Responsible for audit of performed changes by other team members.• Represent Unix team for change approval and change discussion and decision making calls.• Prioritizing the change and allocation to the resources in the team.• Ensure pre-works are done by team to avoid delays in execution during change window.• Review of the changes and pre-works.• Timely resolution to all assigned service request tickets in BAU teams.• Provide on call support for server down issues. Show less

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  Fujitsu Consulting

  Aug 2007 - Apr 2009

  SSE, Unix Administrator

  Fujitsu India / Costa Rica Aug 2007 – April 2009 Senior Systems Executive- UNIXProjects: - Alltel (US) Alltel is a wireless telecommunications provider based in Little Rock, Arkansas with a datacenter host more than 1800 Unix servers. These servers are combination of Solaris and Linux with VCS and VxVm configured. Datacenter is a combination of hardware’s of Sun Sparc, Dell, HP, IBM Blades and Fujitsu servers.Key Responsibilities:-• Work with team members to ensure 24*7 support for 1800+ servers.• Provide L3 support for all Solaris and Linux servers.• Timely resolution to all assigned service request tickets. Ensure the Agreed SLA is met when working with tickets (based on the Severity of the tickets).• Handling day to day user request and auto generated tickets in remedy.• Coordinating with respective teams and groups for quick problem resolution and initiating bridge calls for the same.• Coordinating with vendors and onsite engineers to resolve any hardware issues.• Performance monitoring and daily health checkups of critical servers.• Responsible for timely RCA of P1 and P2 issues.• Perform weekend changes and upgrades.• Work from home in case of emergency and to provide help for colleagues.• Knowledge transfer to new joiners and juniors in the team.• Technical and process documentation. Show less

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  Mphasis

  Apr 2009 - Feb 2016

   Working in Remote infrastructure management environment to support UNIX production systems for UK and Americas region. Deliver all the project work related to Solaris operating system, VCS, VxVM and Linux. Responsible for Solaris and Linux Server Build & Deployment  Planning, coordination and execution of major events i.e DR drill, SAN migration, server up-gradation, kernel patching etc. Provide documentation for all server changes, installations, and upgrades to ensure accuracy according to the company standards Parallel Patching and Live Upgrades of Solaris global zones with containers on SPARC and X86 platforms Power path, HBA Driver and HBA Firmware Upgrade. Configuration and administration of High Availability environment using Veritas Cluster Server.  Upgrading vxvm and vcs from 5.0/5.1 to 6.0.5 New file system creation on local zones and adding in VCS Performed VCS Heartbeat Remediation projects Working on Linux Kernel Patching. Working on Bonding,IP configuration, route addition on Linux servers. Working on file system expansion creation on LVM  Solaris IPMP configuration and administration. System performance administration and fine tune system for optimal performance  Working on NBU client upgrades on Linux/Solaris and AIX servers from 6.0.5 to 7.5.6 Show less Mphasis an HP Company, UK May 2011 – PresentOnsite SPOC / SME / Sr. Principal Infrastructure EngineerProjects:- British Petroleum (Globally) BP environment is a mixture of Sun Solaris 8/ 9 /10 and Linux, with SVM, VxVm and VCS configured. Zones and containers configured on almost all the servers. 300+ Solaris slices on VMware hosts. Servers are spread across different locations around the world with major servers hosted in 2 data centres in UK and 2 datacentres Americas regions with a total of 3500+ UNIX servers.Role: Onsite SPOC• First Escalation Point / Single Point for contact for the Best Shore Team Issues in India • Bridge between client and support team.• Resolution Manager for issues and escalation related to UNIX team.• Managing escalated Operational Issues & Coordinate effort between Mphasis Teams.• Reviewing BAU work & Channelize priorities.• Relationships Building with BP & HP partners.• Key presence in major Incidents & Problem management.• Review and Implement new processes that automate & improve Unix utilization.• Technical Trend analysis and forecasting.• Operational Service Review Presentation.• Project forecasting, Scheduling, Resource assignments & BAU handover• Daily Operations Review and Tracking Show less Mphasis an HP Company, India April 2009 – May 2011Operations Manager / Sr. Principal Infrastructure EngineerProjects:- British Petroleum (EMEA) Role: Operations Manager• First Escalation Point / Single Point for contact for the Best Shore Team Issues in India • Guiding / Mentoring new joiners for smoother transition into the team • Responsible for Overall Team Performance from Best Shore India • Monitor Individual Performance of the Team Members on regular basis in consultation with the Delivery Manager.• Formulate IDP (Individual Development Plan for all Team Members)• Formulate Goal Setting Exercise for all Team Members • Guide & encourage participation of Team Members into UNIX meetings.• Conduct Internal Team meetings on a regular basis.• Active participation in the appraisal of Team Members.• On time submission of Metrics on monthly basis with inputs from Team Members• Submission & follow-up of claims (related to Oncall/Shift allowance, Internet Reimbursement) for Team Members.• Pro-actively seek feedback from the corresponding sending side organization to ensure that every member is meeting or exceeding the expectations.• Ensure the team member practices knowledge sharing amongst his team members and with the Unix team as a whole.• Ensure his administrative things are taken care of ( Leave, Comp off, Reimbursements)• Ensure the Service Delivery is taken care of during Team Members absence• Ensure the team member takes advantage of the monthly calendar trainings published to improve his/her Process / Technical / Soft Skills by enrolling to take 40hrs training Show less

  • Senior Principal Infrastructure Engineer - Projects Lead

    May 2014 - Feb 2016

  • Onsite Coordinator

    May 2011 - May 2014

  • Operations Manager

    Apr 2009 - May 2011
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  Cognizant India Pvt. Ltd.

  Feb 2016 - now

  Senior Architect

  Project: Neuro – Business process automationCreate architecture design and deploy Neuro application in Cognizant`s Azure and AWS subscription with AKSand EKS cluster.Create solutions with front end application hosted on storage as static webpage and accessible using contentdelivery network.Backend application design and implementation on Kubernetes clusters.Plan and implement MongoDB Atlas cluster for database requirement of Neuro application.Vendor management – Requirement discussion with vendor and procurement team, negotiation,procurement and enabling team with trainings from vendor.Responsible for providing solution architecture design for customers deployment / Cognizant hosted SAASProject - EITADesign, orchestrate and manage Docker containers for automation tool.Create solutions using cloud PAAS offerings like RDS, Elastic Cache, S3 etc.Manage kubernetes cluster security.Build Kubernetes clusters in EKS and on-premises(K3s). Build Kubernetes from scratch using control plane binaries.Automate K8s cluster build and deployment of application stack with combination of shell scripting, Terraform and Helm.Setup multi-AZ RDS cluster for Kubernetes.Project: Technical Services Group - HealthcareResponsible for creation of requirement document, high level design document, visio design depicting architecture, client facing documents, implementation documents etc.AWS solution for AWS cloud – Tenant Model and HLD. This includes Hybrid model- integration and extending the on-prem datacenter services, Backup strategy, customer segregation, micro and macro segmentation, backup strategy and DR strategy.Provide solution for Datacenter migration of our healthcare product arm. Which includes current infra assessment, migration strategy, tool based migration tool decision (platespin), HLD and architectural design documents preparation, bill of material preparation and phases of migration.Architectural documentation as per TOGAF framework Show less