Lead Consultant Resume
Falls Church, VA
EXPERIENCE SUMMARY:
- 10 Years of Experience as LINUX/ VMware/Cloud/Solaris Admin.
- Experience in design and engineering of midrange hardware and operating system platforms. Supported large Production/Dev/Test infrastructure of SUN/HP/IBM/Dell Enterprise class servers running Linux (REDHAT,CENTOS,SUSE and Ubuntu), VMware,VCloud Director and Solaris providing midrange infrastructure. Thorough understanding of the software product development and maintenance process. Experience in the new data center setup and old data center relocation process. Solid understanding of technology components in the midrange software stack, including middleware, messaging and database software including SAN infrastructure. Skillful in virtualization and local/remote data center recovery techniques, standardization of products/processes. Has successfully Implemented PMDB (Problem Management Database) to record all problems faced and their RCA (Root Cause Analysis) report to track the issues in system & the storage repository of solutions to known problems to ensure defects. Primary responsibilities are to administer in - house Linux servers, virtualization environment and assist with project specific configuration setup and troubleshoot.
- Working experience on CSC BIZ Cloud Enterprise which has partnered with Cloud Service providers to deliver cloud services to Enterprise customers. Working with cloud Employers and Cloud service providers for providing solutions to Global customers.
- My specialties included setup of all LINUX Server environments, single and hierarchal domain structures, LDAP for testing with LabManager, vCenter, vSphere and vCloud Director.
- Design and build multiple Linux Infrastructure with EnterpriseDB. Tune and configure all elements required for performance and resilience, including configuring, testing, building and deploying customized application packages.
- Deploy and Smoke-Test the application in to all Test/Performance environments, as well as in Production and DR environments, on internally-hosted systems, on Rackspace cloud servers, and on the customer's hosting provider's servers. Knowledge with typical DevOps tools such as Git, Maven, Jenkins, Puppet and Bash.
- Understanding of Backup and recover a few, dozens, or even hundreds of Linux, Solaris, Windows, VMware as well as databases and applications, using web-based management console. Data can be stored on tape, disk, optical devices, or online storage (public or private storage clouds). VERITAS Net backup (5.0), Amanda Enterprise 3.0, Symantec, EMC Networker and IBM TSM
- Ability to Launch Linux Cloud Servers on VCLOUD Director services and Amazon EC2
- Ability to Install Linux OS flavors
- Ability to understand Cloud Data Centre architecture and its components
- Ability to design IaaS and Platform-As-A-Service, Storage-As-A-Service and Backup- s-A-Service
- Ability to install 3 hypervisor software (VMware ESX, Citrix Xen, Microsoft Hyper-)
- Ability to create Virtual Machine, Install Guest OS, Install Guest machine tools
- Ability to create VM snapshots, VM Templates
- Ability to Configure High Availability of two Physical hosts clustering
- Perform Live migration of the One Virtual Machine from One physical host to another host
- Ability to Install Open stack Public Cloud and Create service catalogue
- Create cloud networking and install Cloud Management dashboard
- Perform Cloud Administration functions on Open stack cloud.
- Understand Cloud Computing Foundation concepts (Deployment and Service Models)
- Understand Cloud Security and Compliance concepts.
- Building new Linux/SUN servers using jumpstart/kickstart installation method, ISO image installation, Installation of ISO images on VM guest host.
- Installing, Managing and upgrading Kernels, patches and packages and firmware upgrades.
- Management of system security, user and group privileges, Software patches and package management.
- Disk management, Process management, file system management, mount issues and free space issues.
- Configuring VCS and administering Solaris Zones and Containers on Sun Solaris 10 operating system.
- Implementation of RAID levels 0, 1, 1+0, 0+1, and 5, root disk mirroring using VVM, SVM and LVM.
- Knowledge on VERITAS Volume management (VxVm) and VERITAS file systems (VxFs), Logical Volume Manager ( LVM )
- Creating a Vxfs file system, Growing & shrinking a file system.
- Managing the systems in 24/7/365 High Availability (H. A) Environment with VERITAS (VCS 4.0 & 5.0 & VxVm 4.0 &5. 0)
- Systems Troubleshooting H/W ranging from PC to Enterprise Servers and network including IBM Blades, HP prolient, Dell Power edge hardware.
- Console handling ILO (HP); DRAC (Dell); RSC (IBM) controllers using web based interface.
- Change Management with ITIL frame work.
- Designing and implementing fully automated server build, management, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins Nodes/Agent, Chef, Puppet, VMWare, Xen, Amazon EC2 etc
- Design, integration, deployment and administration of J2EE Application servers - JBoss, Tomcat, WebSphere (Portal, BPM, MQ, ESB, Application Server, IIIS and Data Stage) and WebLogic.
- Application Server configuration on Linux platforms.
- Performed SAN Migration for critical production servers
- Linux Virtualization (XEN/VMware):
- Installation and managing virtual domains by sharing the resources like Hard disks, CPUs, Memory and NICs etc.
- Configuring VLANs, Bridges for the virtual domains such as VLAN tagging for UNIX environments. ( Solaris and Linux )
- Installing, configuring, upgrading and troubleshooting hardware components like Memory modules, power supply, CPU’s, HBA’s, NIC’s etc.
TECHNICAL SKILLS:
Operating System: Redhat Linux (RHEL 5 & 6), CentOS 5,6,7 verions, Sun OS (5.8,5.9,510), UBUNTU, Oracle Solaris 11, Suse(9-10) and AIX
Languages: C, C++, HTML, XML, SQL, MySQL, Python, Perl, Unix shell.
Scripting: Shell scripting, Perl scripting
Database: RDBMS Oracle 10g, 9i and 8i, Oracle SQL Navigator, DB2
Hardware: HP, IBM, Enterprise, SUN chassis and blades.
Web application servers: Tomcat, Jboss, Apache, Apache Geronimo, WebSphere
Network services: DNS/Bind, NFS, IPV4/6, TSM, LDAP, NIS, SSH, DHCP, TFTP, iSCSI
Monitoring products: Openview, Insight Manager, SNMP, Sysstat, NIMSOFT, OpenNMS
Security Products: SELinux, Iptables, TCPdump, Wireshark, Snort, IPfilter, SSL
Email Services: Postfix, Sendmail, SpamAssassin
Disk Suite: VERITAS Volume Manager (VxVM), LVM and SVM
Backup Technology: Backup and recover a few, dozens, or even hundreds of Linux, Solaris, Windows, VMware as well as databases and applications, using web-based management console. Data can be stored on tape, disk, optical devices, or online storage (public or private storage clouds). VERITAS Net backup (5.0), Amanda Enterprise 3.0, Symantec, EMC Networker and IBM TSM
Cluster Technology: VERITAS Cluster, SUN cluster, Redhat cluster
Tools: Nagios, NetDB, RANCID, Squid proxy, Falcon, Putty, HP-Serviceguard, Remedy 7.0, USD, VMware ESX (4.1,5.0), Citrix, Yantra, openVPN, MRTG, Samba windbind, OCSInventory.
PROFFESSIONAL EXPERIENCE:
Confidential, Falls Church, VA
Lead Consultant
Responsibilities:
- Managing UNIX operations with a team size of 20 24X7.
- Building new servers for projects which include Linux stand alone, VM guest Hosts on ESX servers, SUN servers and configuring and patching zones.
- Installing operating system using kickstart/jumpstart, ISO images and completing post build work as per the project requirement.
- Installation and configuration of LINUX machines on VCD (V Cloud Director) and Amazon EC2.
- Design, implementation, and documentation of VMware vSphere 5, vCloud Director 1.5 and 5.1, Cisco UCS systems, EMC SAN, HP Storage Protector.
- Creating new file systems and growing online under VxVm, LVM & VMFS.
- Managing servers to communicate to RHN.
- Decommission of Production boxes in phased manner.
- Coordinating with the vendors HP, IBM, Dell and Sun for hardware replacement and also with Operating System vendors Oracle Sun, and Red Hat for troubleshooting and OS fine tuning.
- Scripting in multiple languages on UNIX, LINUX - Perl, Java, Korn, Bash etc
- Java Virtual Machine (JVM) and Application Server Tuning, Monitoring and Alerting on Linux (REDHAT,CENTOS,SUSE and Ubuntu) and Solaris 10
- Verification of Multipathing on SAN environment like HITACHi, EMC after Up gradation of frames in SAN using Veritas dymanic multipathing, VXVM and EMC Powerpath
- Communicate with external data providers and consumers to report any unresolved issues & complete other duties as assigned.
- Providing L3 support and generating reports and does the follow-ups.
- Handling complex projects and rapidly evolving requirements.
- Lead the Team Engineers in IT infrastructure activities and handled 3rd level of Escalation ticket; handled problem tickets generated via ticket tool.
- 24x7 Unix Global Support team; handled user management/ package management/ patch management.
- Functioned as an in-charge of problem and change management; created change records.
- Attended scheduled outages and conducting DR tests.
- Monitoring the performance of operating systems and processes to debug processes and systems, effectively manage system resources, making system decisions, and evaluating and examining systems using - NAGIOS/SMARTS tool.
Confidential, New York, NY
System Administrator
Responsibilities:
- Managing Outbound & Inbound Unix operations.
- Report on daily trouble ticket activity.
- Follow up and escalate unresolved tickets.
- Publish shift status reports as directed by procedure.
- Communicate with external data providers and consumers to report any unresolved issues & complete other duties as assigned.
- Generating reports and does the follow-ups.
- Installing operating systems from pxeservers.
- Creating new file systems and growing online under VxVm
- Configuring VCS and administering Solaris Zones and Containers on Sun Solaris 10 operating system
- Adding and deleting VCS resources.
- Changing kernel parameters as per the change management request.
- Maintaining groups (Unix Groups, Net groups, Mail groups)
- Decommission of Production boxes.
- Coordinating with the vendors for hardware replacement.
- Responsible for monitoring and managing 5000+ Servers and Desktops.
- Preparing performance reports using TOP, IOSTAT & VMSTAT.
- Providing L2/L3 support.
- Troubleshooting problems pertaining to System Performance & Application Conflicts.
Confidential
System Administrator
Responsibilities:
- Installations, Maintenances and Troubling shooting of around 60 SUN servers and 100 desktops.
- Performing special preventive activities like updating Patches.
- Basic Hardware troubleshooting for SUN/Intel Desktops and Servers.
- User management and administration for Solaris under NIS environment
- Dealing with Vendors relating to SUN hardware issues.
- Management of system security, user and group privileges
- Disk management, Process management, file system management, mount issues and free space issues.
- Software patches and package management.
- Complete customer calls efficiently regarding hardware, software & networks.