SUMMARY:

• 15+ years of experience in IT with Specialization in Linux Administration (RHEL 6.X/7.X) / Cloud Engineering with AWS (Amazon Web Services), GCP (Google Cloud Platform) / Tech Lead and extensively working on all flavours of Linux , Dev. OPS & HADOOP BIGDATA Technologies as well.
• Highly experienced with Redhat Enterprise Linux Administration, Enterprise Hardware Troubleshooting, implementation, and support.
• Worked on SAP HANA Appliances configuration and performance fine tuning.
• Managed virtual machines using VMware, Docker & Kubernetes and AWS.
• Implemented RHEL HA Cluster using CMAN, RGMANAGER on RHEL 6.4
• Implemented AWS and having good experience in AWS Compute with EC2, Elastic Beanstalk, AWS Lamda, EC2 Container services etc.
• Configured AWS Storage with S3 (Simple Storage Service), Elastic Block Storage (EBS), Elastic File Storage (EFS), AWS Glacier, Snowball etc.
• Troubleshooting experience with AWS CloudTrail, CloudWatch and AWS Network configuration experience with VPC, API Gateway, Direct Connect, IAM etc.
• Supported RDS, Redshift, and DynamoDB configuration with AWS Environment.
• Having Good experience with Handling GCP Compute with Cloud Engine, App engine, Cloud Functions, Kubernetes Engine etc.
• GCP Storage with Cloud Storage, Persistent Disk, Storage Classes and Cloud Spanner etc.
• Supported GCP (Google Cloud Platform) with DB team with the Cloud SQL, BigQuery, and Bigtable etc.
• Architecture Experience of IaaS, PaaS, SaaS with Cloud Environment AWS & GCP.
• Experience in Big DATA Technologies including of CLOUDERA Hadoop Manager Etc.
• Managing the Application Deployments using Chef and Redhat Ansible etc.
• Involved in complete Administration tasks on RHEL /UNIX and maintain the documentation for Many applications including CATIA, ENOVIA, NEWS, 3DX etc.
• Experience in LVM, KVM Partitions and configurations for REDHAT Linux
• Installing DRAC, ILO, and DIGI for all Linux and Unix Servers.
• Experience in Auto Server Builds for DEV / Prod / Test Environments of RHEL Linux using KICKSTART etc.
• Worked on GCP and AWS Network configuration with VPC, Load Balancing, Cloud CDN, Cloud Interconnect, Cloud DNS, API Gateway, Direct Connect, IAM etc.
• Maintenance of all Remote consoles including of ILO, DIGI, DRAC, NETMGT etc.
• Installed and configured DNS, DHCP, Quest, NFS FTP Server on Linux / Unix
• Fine - tuning Kernel for optimization on RHEL 5.x/6.x/7.x etc.
• Administering internal firewall based using IP Tables, Port scan, SEOS, SELINUX etc.
• Having the production experience in supporting Middleware of deploying to web application servers such as WebSphere, Apache Tomcat server etc.
• Good understanding of configuration of routers, switches, TCP/IP and firewalls
• Experience in Installation/administration, maintenance, tuning Apache web services.
• Monitoring Production Servers through Foglight, NAGIOS, IBM TIVOLI etc.
• Experience in Handling the Fusion-IO card Installation and Configuration etc.
• Experience in KSH and BASH scripting to automate the admin process
• Experience of web server operations, load balancing and high-availability systems.
• Outstanding verbal and written communication skills.
• Strong project planning and management skills for DATA CENTRES Architectures
• Ability to prepare, organizes, and conducts user .
• Experience in Disaster Recovery systems and procedures.
• Experience in VMWARE ESX 6.5, P2V migrations, VCENTER 6.0/6.5, VMOTION, VCB (VMWARE Consolidated Backup), Storage VMOTION, DRS and HA in VMWARE Technologies etc.
• Troubleshooting Experience with GCP Stackdriver Logger, Stackdriver Monitoring etc.
• Worked on Data Centre Migration with all DELL, HP Servers etc.
• Managing the Linux/ UNIX ext3, UFS, File systems by using LVM, VERITAS etc.
• Administered shell interfaces, groups/user accounts, login scripts, and kernel patches & updates.
• Experience in AWS /GCP with Compute, Networking, Storage and databases etc.

TECHNICAL SKILLS:

Operating Systems: Linux(RHEL 5.x,6.x, 7.x, Centos SUSE), Windows, Windows 10 / WINDOWS 7 etc.

Hardware: HP PROLIANT DL 380s and 580s, HP Smart Array, Dell PS 6000 NAS Storage Array X9300, Backup Devices, Ethernet Hubs, Cisco Routers 2960, 6500E, Printers DELL POWEREDGE 1650, 2850, 2950, 6400,R720, R920, DS8000, Automated Tape Library MSL 6000, Brocade, SUN Enterprise 450,3000, 5000 SUNFIRE V440, V880, V480, E420R, E450, E250, IBM p-Series 520, 550, Fusion IO, E-Server etc.

Cloud Computing: AWS with EC2, Elastic Container Service, Batch, S3, Glacier, CloudWatch, CloudTrail Service manager, VCP, Direct Connect and GCP Cloud Engine, App Engine, Cloud Functions, Kubernetes, Stackdriver Logger, Stackdriver Monitoring etc.

Storage: EMC Symmetric, Hitachi Arrays, Sun Storage D1000, 6130, 6140, A5000/5200, SAN, NETAPP, IBM TSM, Dell PS 6000 NAS Storage Array etc.

Networking: NIS, QUEST, TCP/IP DNS, NFS, SAMBA, SENDMAIL, Novell Netware, AUTOFS, LAN, WAN, SELINUX, Firewalls protocols like DHCP, SMTP, SNMP, IPVP4, IPV6, FTP, FIPS etc.

Web Server, Virtualization: Apache Tomcat/http server, IIS, IBM Web Sphere, KVM, ESXi, VCENTER, VMOTION, POWER VM, VMWARE NSX etc.

Languages, File system: Shell Scripting ( KSH, CSH, bash, SED, AWK, python ), DTRACE Tool Kit, C, COBAL, HTML, and JAVA, UFS, ZFS, NTFS, EXT3,EXT2, VFS etc.

RDBMS: Oracle 7.x/8.0/9i/10g/11g and Oracle RAC, Fusion IO etc.

Cluster Services: Red Hat Cluster Suite, HADOOP Cluster, GREENPLUM and Cloud etc.

Tools: Service NOW ( SNOW), Cherwell, Peregrine, KEON, HP OPSWARE tool, VERITAS NETBACKUP 3.5/4.0/5.1 and 6.5, VCS, and BMC Patrol, SEOS, LISTS, CACTI, Squid Proxy, NAGIOS, RSA, Sun, Sun-Guard, EMC etc.

Third Party s/w AND Virtualization: LDAP, TSM, JDK 1.7,1.8 ESX VMware, VCENTER 5.5/6.5, Hammer Load Balancing Tool, CATIA, ENOVIA, 3DX etc.

PROFESSIONAL EXPERIENCE:

Confidential, BALTIMORE, MD

Linux Engineer

Responsibilities:

• Worked on REDHAT LINUX servers Migration from Dev /Stg/ UAT/ Prod to AWS Environments.
• Supported on EJBCA Configuration and Implementation on Dev/ Stage Environments
• Supported RHEL, WILDFLY, MARIADB and Java configuration on EJBCA.
• Supported on EC2 Instances creations, Configurations supported from Old Environments to New Environments etc.
• Monitored the patching with kernels and upgrades for all Dev/ Prod Linux servers in the existing environments.
• On-call production support (24X7) and troubleshooting problems related to all System issues etc. and handled tickets etc.
• Involved in Infra Build and deployment for Workers Portal and Consumer Portals servers using RHEL 7.x etc.
• Monitored the GitHub, Bit bucket, Splunk configurations and logs.
• Worked on REDHAT Satellite and managed the subscriptions etc.
• Involved in Project planning, continue Integration Version one etc.
• Monitored Tomcat/ Apache web Servers configuration and logs.
• Worked on REDHAT Satellite Repository with subscription mgt.
• Worked on Squid Proxy configuration and Implementation on RHEL
• Supported SFTP Servers configuration and Implementation on Dev. Environments etc.
• Supported FIPS enabling, SELINUX, Security Patches, etc.
• Worked on SMTP servers using POSTFIX configuration and Implementations etc.

Confidential, PLANO, TEXAS

Linux Engineer

Responsibilities:

• Worked on REDHAT LINUX servers patching with kernels and upgrades for HYPERION Appliances and servers.
• Managing the patching, HA clusters for TIPCO PROJECT
• On-call production support (24X7) and troubleshooting problems related to all System issues etc. and handled tickets via ITSM / SNOW / ITIL process.
• Supported container management tools Docker, AWS ECS etc.
• Involved in Build and deployment for many application servers using RHEL 6/7 etc.
• Worked on Redhat Satellite Servers build and configuration etc.
• Project planning completed for GCP cloud Environment etc.

Confidential, OHIO

Linux Engineer

Responsibilities:

• Worked on REDHAT LINUX servers patching with kernels for 500 servers.
• Managing the patching, HA clusters, SAP HANA appliances Production support etc.
• On-call production support (24X7) and troubleshooting problems related to all System issues etc. and handled tickets via ITSM / SNOW / ITIL process.
• Supported container management tools Docker, AWS ECS etc.
• Involved in Build and deployment for many application servers using RHEL 6/7 etc.
• Implemented AWS and having good experience in EC2, EC2 Container, Elastic Beanstalk, AWS LAMbda, S3, EBS Glacier, AWS CloudWatch, AWS CloudTrail etc.
• Worked on migrating 400 AIX servers to Redhat Platform etc.
• Implemented RHEL HA cluste r for five different projects.
• Worked with DB team for managing the ASM, San Hitachi Storage, REDHAT Clusters application servers .
• Storage architecture and technologies supporting with NETAPP and HITACHI
• Associated with DB2 / Oracle team for implementing the DB servers.
• Worked on NIS, quest authentication, DHCP, DNS, routing, firewalls, Load balancers and network security issues.
• Co-ordinated with Netapp, Hitachi Storage configuration for provided Space to RHEL Linux Environment with NFS/Native Multipathing as well.
• Managed all LINUX workstations and Blades with all connectivity etc.
• Worked on Vmware NSX with virtual load balancing and firewall etc.
• Security - Access Management, Key Management etc.
• Cloud Architectures and design and Automation on AWS and GCP etc.
• Managed Integration/Deployment concepts using SCRUM / KANBAN Agile Methodologies etc.
• Worked on HDLM configuration and implementations for Hitachi storage
• Implemented kickstart, PXE and YUM repo servers configurations
• Maintaining remote console access with vsphere, IDRAC, ILO etc.
• Application Isolation and Rapid Deployment using Dockers & Containers
• Handled various file system issues, Script execution analysis etc.
• Worked on configuring and supporting AWS VPC, API Gateway, Direct Connect, IAM , AWS Migration Hub etc.
• Worked with various app support team while patching and managed all UNIX / Linux servers.
• Supported the Work plan, work execution plans, pre configuration and analysing the pre configuration script for REDHAT LINUX using BASH etc.
• Configured and supported ITSM tools like Service Now (SNOW), Remedy and CMDB Tools, DevOps tools like GIT, CodeCommit, and Jenkins etc.
• Worked with user Management, AD LDAP with access issues etc.
• Tested the Google Cloud Platform with IAM & Security, Containers, Data Storage Services, and Virtual machines Implementation etc.
• Worked with SUDO access for oracle team and app team for DB & Access
• Installed & configured the network eth along with VMware tools.
• Worked RHEL / Cent OS servers builds, configuration and supports etc.
• Configured Google Cloud Platform in Test Environments.
• Application Deployments configuration using Chef and Ansible.
• Supported Network team with GCP and AWS Network configuration with VPC, Load Balancing, Cloud CDN, Cloud Interconnect, Cloud DNS, API Gateway, Direct Connect, IAM etc.
• Tested Azure cloud stuff in the test Environment.
• Experienced to Enhance Developer Productivity, Server Consolidation and Management, Application Isolation, and Rapid Deployment using Dockers.
• Maintaining and administering the source code repositories, Patches using RHEL Satellite and Spacewalk, MAVEN etc.
• Supported Agile methodologies like Scrum, Kanban etc.
• Worked on Data Centre Migration with all DELL, HP Servers, network, storage, security etc.

Environment: Dell R / HP Proliant Servers, Dell Blade, Dell EQUALOGIC, HP NAS, HITACHI, NETAPP etc.

Confidential, New York

Senior System Administrator

Responsibilities:

• Work closely with the Architecture team to provide input to new technology strategies.
• Installed and managing more than 600 RHEL Servers for BIGDATA Project.
• Worked on RHEL (REDHAT ENTERPRISE LINUX) / SOLARIS Server Build using Kick-start, Jump-Start and did the post Installation which includes of KEON (LDAP), Tivoli and ESM configuration etc.
• Worked on LSI Raid Installation and configuration with MEGACLI tool for all the dell and HP servers.
• Configured the Ganglia, NAGIOS, and FOGLIGHT for UAT and PROD BIGDATA servers.
• Configured and supported DevOps automation tools from OS side for GIT, CodeCommit and Jenkins and Jarvis etc.
• Experience in setting up the secondary name node, commissioning and decommissioning the data nodes etc.
• Worked on KVM Installation and configuration including of Virtual Manager, Virtual View, LIBVIRT hypervisor and QEUE command line utilities.
• Worked on UNIX shell scripting to automate the patching, log rotation etc.
• Installing and Configuring of both Apache HADOOP and CLOUDERA Manager
• Installed and Configured Kerberos in HADOOP CLUSTER etc.
• Managed CLOUDRA HADOOP cluster for 50 nodes with CLOUDRA MGR.
• Worked on VMWARE ESXi hosts, VSPHERE, P2V, KVM, V2P, Private Cloud, Clustering, creating the virtual machines, cloning, snapshot and performance tuning etc.
• Worked on Virtualization environment design & development, maintenance techniques with various processes.
• Tested the AWS with EC2 Instances configuration etc.
• Worked on AWS and having good experience in AWS Compute with EC2, Elastic Beanstalk, AWS Lamda, EC2 Container services etc.
• Worked on Setting up Policies with regards to quotas, Backup, privileges and performance related issues.
• Supported Agile methodologies like Scrum, Kanban etc.
• Automated the system related tasks for monitoring the file systems, log rotation, disk utilization using Bash shell script.
• Installed Control-M and CRON Schedule in Linux (RHEL) /Solaris servers etc.
• Worked with DELL and HP, LSI and FUSION IO for all hardware related issues and firmware related issues.
• Supported Network team on GCP and AWS Cloud Network configuration with VPC, Load Balancing, Cloud CDN, Cloud Interconnect, Cloud DNS, API Gateway, Direct Connect, IAM etc.
• Worked on NAS, NFS and Samba configuration for UAT and Prod servers.
• Worked on Patch MGT, BIOS Firmware, ILO, DRAC Firmware update etc.
• Configured the SELINUX, IP TABLES, NFS, and SAMBA Configuration etc.
• Worked on CHEF Automation tools and Bash Scripting for server automation and Admin related tasks.
• Worked on Apache tomcat to configure the ganglia and other application
• Supported for backup with HP NAS backup for the RHEL Servers.
• Experienced in Handling the HP Blades, DELL Firmware Updates, DRAC, ILOM, ILO configurations etc.
• Worked on Fusion IO card , Micro partition with LSI configuration etc.
• Experienced in Peregrine Ticketing System for App requests.
• Worked on KEON, SEOS, Kernel configuration for System Authentication Security related issues
• Worked on XFS, EXT4 and JBOD, ZFS file systems for Cloudra and HADOOP production and development Servers.
• Experience in VERITAS Clustering, NETBACKUP Configuration on Linux Servers

Environment: Dell R720xd, HP Blade c3000/c7000, Dell Blade, Dell EQUALOGIC, HP NAS, EMC, HP NAS, HADOOP, CLOUDRA Sun Enterprise Servers M5000/Fire 440/480, Cisco 6500, 2960, HP PROLAINT, Dell Power edge servers, RED HAT Linux 5.5/6.2,Solaris 10.0, Dell Blade server VMWARE ESX etc.

Confidential, Protection, FL

Team lead

Responsibilities:

• Managing a Unix Team and Resolving all FTP, UNIX, DNS, LIST Tickets
• Worked on NFS, NIS (LDAP), SAMBA, LDAP, Mail, and SVN Project Repository in REDHAT Linux (RHEL) / oracle Sun Solaris servers.
• 24/7 on call monitoring Environmental Protection applications
• Administering the Mail server, LIST Server based on send mail, postfix in Linux.
• Configuring the IMAP, POP3, SMTP etc. in send mail, Postfix etc.
• Managing the DNS Bind Network for the Unix/Linux Servers.
• Worked with SSL Implementation for web Applications by using VERISIGN, GODADDY Authority
• Worked with EMC backup HP NAS backup for the Linux/Solaris Servers.
• Experienced in Handling the HP Blade, DELL Firmware Updates and ILO configurations.
• Worked on windows -2008 installation and configuration on DL-380 Servers
• Managed the DNS, ACTIVE directory for windows servers.
• Involved in New Server Build with REDHAT (RHEL) / Solaris Servers with LVM and VERITAS compatible file Systems.
• Configuring and managing the SAMBA Share with Windows Servers.
• Managing the NFS shares, ZFS, UFS, EXT3, VXVM file systems for Linux (RHEL) / Solaris / Windows Servers.
• Worked on Security, IPTSBLES, Port Redirections , PREROUTING, POSTROUTING SEOS, CA Directory configuration and implementation.
• Tested AWS with EC2 Compute, VPC Networking, S3 Storage and RDS database etc.
• Worked with squid Reverse proxy (RP, IPMP) for web applications
• Involved with HP-UX, HP NAS, EMC SAN configuration and Implementation etc.
• Patch Management with REDHAT LINUX 5.6, 5.8, 6.0 / Solaris 10.0 / SUSE / DEBIAN
• Worked on IIS, Apache Tomcat, WEBLOGIC, WEBSPHERE installation and configuration for OPENNODE and other various applications.
• Writing scripts by using KSH, BASH to automate admin and other backup process.
• Managed Linux (RHEL) installation and file systems with LVM root and app Partitions.
• Experience in handling the VMWARE ESX Server 4.1 and 5.0 with VCENTER 4.0/5.0 in a External and Internal Cluster.
• Worked on Unix shell scripting to automate the ILO upgrade and log rotation.
• Worked on Hive, MAP REDUCE, ETL tools support configuration etc.
• Worked on CLONING, TEMPLATE CREATION, SNAPSHOT, Migrating the VM from one cluster to another cluster.
• Involved in Automated Storage Management (ASM) for EMC SAN, HP NAS, VERITAS
• Experience in handling the VMOTION, P2V, V2P, KVM configuration and Installation VCB (VMWARE consolidated backup), Storage VMOTION, DRS, HA (High Availability) in VMWARE Environment.
• Worked on CHEF /CFENGINE for Server Automation and Admin related tasks.
• Involved in Hardware replacement on Sun/Hp/dell/IBM platforms
• Performance tuning and monitoring by using CATCI, NAGIOS, FOGLIGHT etc.
• Managing the Unix/Linux/ftp/SSL/mail/security Tickets Cherwell Ticking Systems.

Environment: HP Blade c3000/c7000, Dell Blade, Dell EQUALOGIC, HP NAS, EMC, HP NAS, Sun Enterprise Servers M5000/Fire 440/480, Cisco 6500, 2960, HP PROLAINT, Dell Power edge servers, RED HAT Linux 4.0/5.0,Solaris 8.0/10.0, Dell Blade server VMWARE ESX etc.

Confidential, Dallas, TX

Sr. Linux System Engineer / Tech Lead

Responsibilities :

• Provide 24/7 on-call support for Unix/Linux Server prod/non-prod environment etc.
• Interacting with Business Analyst & Client to understand the business requirement
• Auto Server Builds for DEV /Prod/ UAT Environments of and REDHAT LINUX 3.x/4.x/5.x / Solaris 9.0/10.0 using KICKSTART, JUMPSTART etc.
• Worked on NFS, NIS, SAMBA, Mail, and SVN Project Repository in Linux (RHEL) / UNIX servers.
• Administering the Mail server based on send mail, postfix in Linux (RHEL).
• Configuring the IMAP, POP3, SMTP etc. in send mail.
• Worked on Multi-client Server Design Pattern, client-dispatcher server design pattern, gathering the information from the client etc.
• Worked on Implementing the HADOOP Cluster in Lab Environment.
• Tested Cloud Computing using AWS Components .
• Troubleshoot to completion issues in the deployment of software in various environments Includes troubleshooting networking, operating system, application typically by phone, pager, email, online, and onsite.
• Configuring the DHCP / DNS configuration on RHEL / Solaris servers.
• Configured the REDHAT LINUX HAPOOP and RHEL Linux Cluster suites
• Worked on VERITAS NETBACKUP 6.0/6.5
• Internet and intranet network design and IP allocations
• Worked on IBM HMC and System Director Management Console mgt.
• Worked on LINUX/AIX / HP-UX patch management and server build etc.
• Worked on global Zones, Local Zones, default zones/Containers ZFS in Solaris non-prod machines.
• Worked on SSL, SSI, Security, SEOS, CA Directory configuration and implementation
• Experience in Installing and configuring of Mac OS X 10.3/10.4/10.6 etc.
• Worked On J-boss- configuration and installation on prod machines for IEX app.
• Worked on IIS, Apache Tomcat installation and configuration for NEXIDA application.
• Writing Shell Scripting by using KSH, BASH to automate admin and other backup process.
• Managed Linux installation and file systems with LVM root and app Partitions
• Experience with external storage SAN / NAS configuration and maintenance worked on VXASSIST, VXVOL, VXDG, VXDISK, VXEDIT, VXTASK, VXPRINT, VSDISKADD in VERITAS volume manager 5.0 (VVM)
• Implementing the Oracle quires by using Oracle / Pl/SQL
• Knowledge in REDHAT/SUSE Linux / Solaris boot process, run levels, paging & swapping, device drivers and file system concepts
• Disk File system Mgt. through VERITAS Volume Manager, Logical Volume Manager.
• Managed DELL Poweredge-1000 blade server with VMware ESX with REDHAT Linux cloning, configuration, network assignments etc.
• Installed and Configured and maintenance of Sun Solaris 9.0/10.0 etc.
• Managed User accounts, developing KORN and bash shell scripts for various system performances monitoring purposes and troubleshooting in UNIX
• Having Very good knowledge in LAN/WAN, Network Administration
• Experience in HADOOP and LDAP configuration and implementation
• OS network configuration and troubleshooting of IP addressing and basic routing.
• Firewall operation, including network and port translation troubleshooting.
• Experience in handling the VMWARE ESX Server 4.3 and 5.0
• Experienced in configuring the proxy, Naming services and LDAP etc.
• Experience in Jumpstart/kick-start Installation and procedure in Solaris/ Linux
• Implemented the SAMBA Server for Interacting with Windows server/ Linux.
• Configuring the LDAP Services in Linux and implementing the directory services.
• Hard disk Usage statistics and reporting, Systems installations and upgrades etc.
• Managed the MULTIPATH, SAN, NAS Configuration for storage etc.
• Worked on HADOOP configuration and implementation
• Worked on FC controllers, HBA, JBOD'S, SCSI, SAN ARRAYS, and RAID-5 etc.
• Worked on P2V migrations, VMOTION, VCB (VMWARE consolidated backup), Storage VMOTION, DRS, HA (High Availability in VMWARE Technologies etc.
• Managed Virtualization environment design & development for IEX application.
• Completion and close of trouble tickets for online operational issues.
• Worked with DBA for oracle 10G and 11i Installation and DB configuration etc.
• Experience with external storage SAN / NAS configuration and maintenance.
• Experience in configuration and maintain NAGIOS, hammer Load balancer with monitoring tools.
• Installing and managing the windows-XP, windows-7 OS in the client side etc.
• Hardware replacement on Sun/HP/dell/IBM platforms .
• Was Involved in the data centre move and was a huge success
• Worked on server builds with REDHAT LINUX (RHEL) / SOLARIS / AIX etc.
• Worked on configuration of routers, switches and firewalls
• Administered shell interfaces, groups/user accounts, login scripts, and kernel patches & updates
• Coordinated with 3 rd party vendors like Sun/HP/Dell/Oracle/VERITAS for Escalation and unresolved Issues.

Environment: Sun Enterprise Servers M5000/Fire 440/480, x86, Storage 6140/6180 IBM- P Series, Cisco 6500, 2960, HP PROLAINT 540, 380, 360, Dell Power edge servers, RED HAT Linux 4.0/5.0,Solaris 8.0/10.0, HP NAS x9300, EMC, HP Blade server C7000 etc.