Aarat Nathwani
DevOps / System Administrator / System Engineer with 12+ Years Experience.

System Administrator Having Proficient Hands-On Experience on Various Technologies Like Linux / Windows / Cloud Computing / Python Scripting.

Summary

Devops Engineer Having 13 Years of Proficient Experience in Technologies Like Ubuntu / Debian / Redhat / Cent OS Servers, Windows Servers, Microsoft Exchange, Microsoft SQL Server, SharePoint Server, Novell Netware 5, Zimbra Mail Collaboration Suite, Citrix Xen Server, VMware ESXi, Amazon AWS, Python and Shell Scripting.

The Key Strengths That I Possess for Success in This Position Includes but are not Limited to The Following

  • A Self Starter, Highly Motivated, Analytical and Detail Oriented.
  • Experience with IT Automation on Python / Shell Scripts and Ansible.
  • Experience with Containers like LXC, Docker & Vagrant.
  • Have Successfully Managed and Supported On-Premise Client/Server, Virtualization and Cloud Based Systems.
  • Experience with Mission Critical and Disaster Recovery Environment
  • Experience with Various Source Control Management Technologies like SVN and GIT.
  • Experience with Large Scale SAAS (Software As A Service) Environment.
  • Experience in Chat + Emails + Telephonic + Remote support to Worldwide Clients.
Experience

May 2014 - Present

Casting Networks
Sr. Systems Engineer
  • Point of contact for Emergencies related to Production / Corporate Environment.
  • Implemented Ansible Playbooks for various Linux roles like Nginx, Redis & common Linux services like apt, yum, syslog, snmp etc.
  • Responsible for code release and liasing with Quality Assurance team for testing and remediating errors after analyzing errors and application logs.
  • Responsible for IT Process Automation using Python scripts / Django Web Framework.
  • Responsible for Production Environment Monitoring Using Various Network Monitoring Tools like Intermapper, EventSentry, New Relic, Syslogs.
  • Created Custom Command Line / SNMP Probes to Monitor RabbitMQ, Redis, PowerMTA, Double Take, Backup Exec and Dell Equallogic.
  • Responsible for Managing Disaster Recovery Environment.
  • Created Open VPN Appliance along with the client deployment packages with embedded VPN configurations for Microsoft Windows and Mac OS X.
  • Integrated Open VPN with Microsoft Active Directory.
  • Setup MRTG Graphs for Various Devices like Firewall and WAN Switches.
  • Responsible for Troubleshooting Client / Server VOIP issues across Global Geographic Locations.
  • Responsible for Supporting Production infrastructure based on Citrix Netscaler, Nginx, IIS, AWS CloudFront, AWS S3, AWS VPC.
  • Responsible for Documenting Technical Procedures and Creating SOP (Standard Operating Procedure) on Internal Wiki (Media Wiki).
  • Responsible for Redis Server Management on Development / Test and Production Environment.
  • Responsible for Internal IT Hardware Requirements and Vendor Negotiations.
  • Assisting Globally Located Users with the Issues Related to IT.
  • Responsible for various other IT projects related to IT Environment Monitoring and IT Automations.
  • Participate with routine Monthly Maintenance which includes Windows / Linux Updates and Firmware Updates for Various Devices.

May 2013 – April 2014

SSL Store
Sr. System Administrator
  • Assisted Global Customers for issues related to SSL Certification Installation.
  • Responsible for Documenting Process For Installing SSL Certificates on Various Servers.
  • Providing Live Support Over Chat and Calls using Remote Support Tools to Customers.
  • Assisting Customers to Choose the Most Suitable SSL Certificate according to their Requirements and Servers.
  • Responsible for Managing Sandbox Servers, Development Servers and Production Servers.
  • Successfully Migrated Corporate Users from Exchange Server Environment to Rackspace Hosted Email.
  • Responsible for Monitoring Various Production Servers.
  • Migrated Servers from On-Premise to Amazon EC2.
  • Responsible for Managing Servers Hosted on Amazon EC2 Environment.
  • Responsible for Production System Backups.
  • Worked Closely With Software Development Team for issues related to IIS, Microsoft SQL Server and Windows Servers.

May 2011 - April 2013

ECS Infotech India Pvt. Ltd.
System Administrator
  • Responsible for Managing Corporate Email Communication on Microsoft Exchange / Zimbra Collaboration Suite.
  • Migrated 200+ Users From Microsoft Exchange Server to Zimbra Collaboration Suite.
  • Setup Scalable and Redundant IT infrastructure with IBM DS Series Storage, IBM Blade Servers, Dell Rack Servers, Sonicwall and L2 / L3 Cisco / Nortel Switches.
  • Virtualized The IT Infrastrcutre with Citrix Xen Server consisting 100+ Virtual Servers.
  • Responsible for supporting 70+ Branches across nation for VOIP, VPN and ILL ( Internet Leased Line).
  • Responsible for Oracle Database creation / backup / management on RHEL servers.
  • Setup Microsoft Remote App Terminal Servers for ERP / POS Purpose.
  • Setup and Managed Microsoft Active Directory infrastrcure.
  • Responsible for monitoring servers with WMI / SNMP using ManageEngine OPManager.
  • Responsible for Installation / Maintenance of Plesk WebHosting servers running on CentOS
  • Setup Terminal Server running on Ubuntu with Clients using PXE Boot ROM to connect to Terminal Server.
  • Responsible for supporting VOIP infrastructure running on Asterisk.

December 2009 - May 2011

eClinicalWorks India Pvt. Ltd.
System Administrator
  • Responsible for Supporting Healthcare Professionals Across USA for SAAS ( Software As A Service) Environment.
  • Responsible for Managing Windows Server Environment consisting of Active Directory, Microsoft SQL Server, Microsoft Windows Clustering Service, WSUS Servers.
  • Responsible for Backups of Various Windows / Linux Servers with BackupExec and R1 Backup.
  • Responsible for Monitoring and Maintenance of Servers in 15+ Datacenters with 450+ Servers on Each Datacenter.
  • Responsible for Managing Disaster Recovery Environment located between various Geo-locations.
  • Responsible for Manging and Maintenance of Various Production Services like FTP, IIS, Apache Tomcat.
  • Responsible for Management and Maintenance of VMWare ESXi Environment for Updates, Vmotion And Storage LUNs.
  • Responsible for Setting up Production Infrastructure Monitoring on WhatsUp Gold and Creation of Custom Probes for Custom Production Service Monitoring.
  • Responsible for Managing Network Security Infrastructure consisting Sonicwall and Cisco ASA.
  • Responsible for Assisting Customer’s IT for Creation and Troubleshooting of VPN Tunnels.

May 2009 To December 2009

VCM Partners India Pvt. Ltd.
System Administrator
  • Responsible for Managing Windows 2003 Clusters, Cisco RV Series VPN Routers, WSUS Server, Forefront Client Security, SharePoint Server, MS project, IIS Server, FTP Server Blackberry Enterprise Server, SQL 2008 Cluster, XMPP Chat Server (Open fire), Microsoft Virtual Server, and Microsoft System Centre.

June 2008 To May 2009

Universal Software
Network Engineer
  • Responsible for Managing Active Directory with 50+ Computers Running Windows 2000 And Windows XP with Windows 2000.
  • Day to Day Management for Various Infrastructure Service Like Microsoft DNS Server, Wireless LAN, CISCO client VPN, SonicWALL VPN and Microsoft Windows L2TP / PPTP VPN clients
  • Responsible for Setting Up UTM Rules on Microsoft ISA Server for Outbound Internet Access
  • Setting up Proxy Server for accessing various VPN URLS
  • Assisting Users with Microsoft Remote Assistance Service
  • Working on Client’s Server for Setting up and troubleshooting issues related to FTP, IIS and Microsoft SQL / Oracle Database Servers.
  • Assisted Customers for the issues related to product.

July 2003 To June 2008

AVANI Enterprise
Network Engineer
  • Worked as an Engineer for Providing On-Premise Solutions Like Active Directory, Wireless LAN, Hot Spots, Firewalls, Installation, Internet Email and Gateway Server (VPOP3) and Configuration of IBM and HP Servers.
  • Worked on Numerous IT Projects Pertaining to Small Businesses.
  • Did Pre-Sales of IT Products according to Customer’s Requirements.

Reach Me:

Key Skills

Ansible

Created various plays / playbooks for automating various repetitive tasks with the help of various Ansible modules. Also contributing to ansible community for adding features to modules / bugs.

Ubuntu / Linux

Managing stack of 50+ and growing Ubuntu Linux servers. Responsible for Various maintenance things like security fixes, updates, configuration changes etc.

AWS

Experience with Various AWS Services Like EC2, S3, CloudFront, SES, and VPC. Created Various python scripts to automate AWS operations.

Virtualization

5+ Years of Excellent Experience with Large Scale Virtualized Infrastructure with Vmware ESXi and Citrix XenSenter.

Python

Experience with IT Automation Using Python Scripting and integration of the scripts with various platforms.

ELK Stack

Experience with ELK ( Elastic Search / Log Stash / Kibana) Stack configuration with beats, logstash plugin. Used it for gathering logs for postfix, nginx, apache2, syslogs and custom CSV data.

Django

Experience in creating web applications using Django Framework for IT Automation Process.

LAMP / LEMP

Considerable Hands On Experience with LAMP / LEMP infrastructure.

Infrastructure Monitoring

Experience with infrastructure monitoring tools like MRTG, New Relic, Intermapper and WhatsUp Gold etc. Created custom probes for various monitoring purposes and implemented automated actions based on the alerts.

Zimbra

Configured Zimbra for email collaboration. Good experience with security hardening techniques.

Postfix

Configured various email configurations with the help of postfix. Experience with Postfix Security Hardening.

RabbitMQ

Experience with RabbitMQ Basics, configuration. Created custom rabbitmq monitors for monitoring queues.

Open VPN

Experience with Open VPN Integration and custom hooks creation. Successfully integrated Open VPN with Active Directory and Access Lists based on User's Active Directory Group Membership.

SonicWall / Cyberoam

5+ Years of Experience with Firewalls like Sonicwall / Cyberoam. Excellent Setup and Troubleshooting Skills.

Micorosoft Windows Server

Over a decade of experience with Various Versions of Microsoft Windows Server. ( Windows 2012, Windows 2008 R2, Windows 2003).

Microsoft Exchange Server 2010

5+ Years of Experience with Microsoft Exchange 2010 Servers.
Hands-On Experience with High-Available Multi-Server Microsoft Exchange DAG Environment.
Multi-Site Replication Experience for Co-Location / Disaster Recovery Purpose.

Backup Exec

Experience With Backups using Symantec Backup Exec.
Used Backup Exec services for File servers / Microsoft Exchange Backup.

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