Hemanta Sharma Email & Phone Number

Orlando, Fl, Us

Campbell, Ca, Us

Campbell, Ca, Us

Cloud: AWS | SoftLayer Automation: Chef | Cloudformation | Terraform | Jenkins | Travis Ci | StackStorm Containers:Docker | Kubernetes | Quay | ECSMonitoring: Sensu | CloudWatch | Pingdom | Logentries | Graphite | MonitisStorage:S3 | Glacier | EFSScripting:Ruby | BashData:AWS RDS | ElasticSearchSource Control & Project Management:Git | Jira | Confluence | Bitbucket CI / CD:Jenkins | Travis | AWS Codebuild | Github ActionsFirewall (VPN):Fortigate | AWS VPN | Open VPNTeam contact for SOC Audit

Uncasville, Ct, Us

- Hardware: Dell PowerEdge M series Blades, Dell Compellent SAN storage & PowerVault, IBM Power Series, SataBeast Storage- OS: Linux / Unix (RHEL 5,6,7 / Centos 5,6,7 / AIX 5,6 / Oracle Linux, Debian, Ubuntu)- Management: Satellite 6, Red Hat Identity Management, ManageIQ, OpenStack, Spacewalk- SAN: fibre channel & iSCSI- High Availability: RHEL Cluster, Pacemaker, Oracle Grid / RAC, - VMWARE: ESXi 5 + VDI- Backup/Restore: Commvault, Red Hat Storage, Glusterfs- Enterprise Monitoring / Alerting: SNMP Config, SLA compliance.- Middleware: IBM Websphere Application Server, MQ & IBM HTTP Server (IHS) / JBOSS- ESB: Mule Enterprise Edition- Enterprise Job Scheduling- Monitoring: Nimsoft, AppDynamics, Dell FogLight

• Responsible for planning, installation, configuration, administration and troubleshooting of Windows and Unix / Linux Operating systems in x86 architecture.• Migration of existing system to VMware ESX, ESXi within vSphere 4 and 5 environment with VCenter management which include installation, confirmation and management of Virtual environment.• Cisco switches installations and configuration• System and Network monitoring.• Install, configure and maintain CPANEL/web severs – Apache, MySQL, PostgreSQL, Mail, DNS, GIT• Manual and automated backup, monitoring of servers and services employing wide range of devices and protocols.• Maintain Web Content Management Systems with millions of pages using WebEngine CMS.• Configuration of Cross platform connectivity between Database, Content and production servers.• Installation, activation and configuration of firewalld and SE-Linux on Linux systems and Policy rules in Windows servers against using commercially available security systems as per Client requirement.• Used shell scripting to script cron jobs enabling different automated processes. Environment: RHEL 4/5, CentOS, Fedora, Solaris 9, VMware ESXi, VMotion, Oracle 10g, MySQL, PostgreSQL, Dell PowerEdge Servers, Cisco Catalyst 2900, Shell Scripting, GIT Repository

Us

• Responsible for installation, configuration, and administration of Windows and Unix / Linux Operating systems in x86 architecture.• Installation and maintenance of DBs and Accounting information using VMWare ESX.• Installation of PowerEdge Dell Servers, Watchguard Firewalls, Cisco Catalyst Switches at the datacenter.• Installed and maintained security using Dtrace, Tripwire, Nmap, SSL, SFTP, SSH for Linux and Windows Servers hosted at the Datacenter.• Shell scripting and cron for backup and performance optimization.• Worked on various VoIP related software and tools including PortaOne, Asterisk, VoIPSwitch and Nextone.• Performed daily housekeeping functions such as establishing new accounts, creating and resetting pin numbers, performing system backups and installing upgrades and patches.• Coordinated with PortaOne and VoIPSwitch support for upgrades and maintenance and moving of databases to other servers.• Managed datacenter backup and recovery using R1Soft.• Installed and Upgraded servers at the datacenter.• Watchguard Firebox Firewall configuration and monitoring.Environment: RHEL 4, Solaris 9, Fedora, CentOS, MySQL, Watchguard Firewall, Dell PowerEdge Servers, Cisco Catalyst 2900, R1Soft, Portaone, Asterisk, Cisco IP Phones, VoIPSwitch, Nagios, IP KVM, VMWare VShpere, ESX, Shell Scripting

• Responsible for installation, configuration, and administration of Windows and Unix / Linux Operating systems in x86 and SUN SPARC Servers.• Installed and maintained security using Dtrace, Tripwire, Nmap, SSL, sftp, SSH for SUN & Linux servers.• Troubleshoot various problems on different environments such as development, QA, Staging and Production by analyzing log files.• Creating and Controlling of automatic installation files using AutoYast in the kernel parameters.• Installed and Administered Veritas volume manager 3.5 on Ultra Sparc E250, E450, Sun E3000 machines and configured RAID 0, RAID 1, RAID 0+1 and RAID 5. • Installation and configuration of VERITAS Storage Foundation Suite, Cluster Servers & VERITAS File systems (Vxfs).• Created vmdisks, plexes and volumes using the volume manager according to the requirements and replaced failed disks using vxdiskadm.• Managed Backup and recovery using VERITAS Netback up tool. • Also involved in Performance tuning of Weblogic server with respect to heap, threads and connection pools with the SUN Content Delivery Server.• Managed data center backup and recovery operations utilizing StorageTek tape libraries and building oracle database servers for data redirection.• Key participant in implementation and integration of three new data centers including physical, logical and application level testing and support.• Played a key role to segment and effectively secured infrastructure (Frame Relay and Point-to-Point T1) circuits and satellite (VSAT) WAN communication mediums and security appliances (i.e., Cisco PIX and Mikrotik RouterOS firewalls). Environment: RedHat Linux 4, Fedora, Debian, Suse, CentOS, Sun Solaris 7/8/9, CPANEL MySQL, Oracle 10g, Cisco Router 2600/2800/3600/3700/7200/7600, Cisco Pix, Dell PowerEdge Servers, Cisco Catalyst 2900/3750/4500, Mikrotik Router OS, Comtech Satellite Modem, VSAT Connectivity, 802.11a/g network, VERITAS, Cluster, StorageTek, NETAPP, VMWare ESX, Kickstart, cfengine

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• Installation and configuration of Sun Solaris OS 8 on Sunfire V880/V480/V240, Sun Blade X6220, Sun Fire 6800/4800/3800• Installation, configuration and administration of various Linux servers (Redhat, Fedora, CentOS, Debian etc)• Providing On-call and Remote Support for 24/7. • Coordinating with Application & Storage Team for Application Issues.• Configured load balancer as per the network attached storage and network servers.• Server health monitoring and alerting.• Performance / Capacity Planning.• Installation and configuration of Windows Servers for various ISP related services including RAID configuration.• Upgrading of Storage systems according to client requirements and implementing high availability standards like RAID implementations.• Scheduling backups and analyzing failed backups to maintain automated backups.• Involved in the maintenance of Windows Servers and Workstation, Linux Servers, Wifi/VSAT Networks• Patch and Package Management. • Deployed script for any alert.• File System Management.Environment: RedHat Linux 4, Fedora, Debian, CentOS, Sun Solaris 8, MySQL, Cisco Router 2600/2800/3600/3700, Dell PowerEdge Servers, Shell Script, Cisco Catalyst 2900, Mikrotik Router OS, Comtech Satellite Modem, VSAT Connectivity, 802.11a/g Wireless Networking, MSSQL, NETAPP, Kickstart, Linux Clustering. RAID, Nagios,

• Monitoring of Sun servers through a centralized monitoring server that sends error messages on threshold.• Structured cabling, racking, stacking, patching of the various servers of Unix and Windows• Monitoring the status, scheduling and taking corrective action on VERITAS backup. • User accounts management, developing shell scripts for various system performances monitoring purposes and troubleshooting.• Performed problem determination and restored service using standard procedures, Security measures blocking unnecessary ports and restricting user’s remote logins.• Involved in setting up of DNS Server, DNS Client and troubleshoot DNS network issues.• Configured Solaris, HP-UX, installed and configured AIX and RedHat Linux Operating System and Used Admintool to Manage Users, Groups, Software, Hosts and Printers.• Installed and configured Windows NT with PDC and BDC.• IT consultant for Primus Europe Ltd, London through ITNTI• Datacenter and ISP management on central level for 9 European countries acquired by Primus Europe Ltd.Environment: RedHat Linux, Sun Solaris, Shell Script, VERITAS, Windows NT Server, DNS, HP-UX, AIX, Desktop Support, PDC, BDC, LAN, Cabling, Racking, iptables, PPP, E1 digital lines, US Robotics Access Servers, Apache, BIND, ISDN