Thomas Gabriel Joseph
Phone: 925-876-7820
E-mail: thomasgj7@gmail.com or thomasgabrieljoseph@yahoo.com
Professional Summary
Primary focus is on the Architecture, Design, Implementation, Automation, Maintenance and Management required for
Private and Public Cloud/Virtualization Technologies.
Experience:
· 20 years of Experience in Information Technology.
Skill-sets:
· Cloud
o Public (Multi-tenant External Service Provider for External Customers ) & Private Clouds - Infrastructure as a
Service (IaaS), Software as a Service (SaaS) & Desktop as a Service (DaaS).
· VMWare
o vsphere, HA, DRS, SRM, Auto Deploy, vCloud Director, vShield Networking & Security, vCenter
Orchestrator, vCenter Operations Manager, VMWare Horizon View - Single and Multi-tenant setup, VMware
Thinapp (app. virtualization), Horizon Workspace, Cisco 1000v Virtual Switch, vDistributed Switches and
standalone switches, Raw Device Mappings (physical & virtual modes); VMWare Converter & other
Migrations (physical to virtual & virtual to virtual); NSX; vSAN
· OpenStack Cloud
o Grizzly, Havana and Icehouse versions - Services Keystone, Nova, Glance, Swift, Cinder, Neutron, Heat &
Dashboard for single & Multi-tenant setup; Ceph cluster as Distributed Shared Storage for Openstack.
·
Big Data
o Hadoop Cluster, Hbase
· Containers & Application publishing/presentation and Virtualization
o Docker, Citrix Xenapp, Oracle Secure Global Desktop and VMware Thinapp
·
Storage Virtualization
o vSAN, Ceph.
· Network Virtualization and Network Functions Virtualization
o VMware NSX, Openstack Neutron
· VBlock
o Cisco UCS Chassis with Blades, Cisco UCS Fabric Interconnects, Fiber Channel Switches, EMC VNX
Storage, Nexus Switches, Cisco UCS standalone servers, ESXi servers.
·
Storage - SAN & NAS
o Netapp 7 and Cluster Mode, EMC, Oracle, Dell.
· Operating Systems
o Windows (all services including Active Directory and the related) & LINUX Systems Administration and
Networking with Messaging, Security Systems.
· Networking
o Firewalls, Routers, Wireless Routers, Hardware Load Balancer, Switches - Ethernet, Fiber channel etc.
· Database
o Oracle DBA, ERP - Oracle 11i E-Business Suite DBA & System Administration, SQL Server DBA, MySQL
Administration.
· Applications
o Extensively experienced in deploying Various Windows and Linux Applications in physical and virtual
environments; experienced in deploying Hosted Application (SaaS - Software as a Service) setup on Cloud
and non-cloud Environments.
· Cloud Automation Tools
o Openstack Heat, VMware vRealize, Chef, Puppet
· Programming and scripting
o Python, Shell, PowerShell, vbscript, Perl, C, C++, vb.net, java.
· Other
o Hardware Assembly and Network Cabling; IT Trainer.
· Management (Technical & Non-Technical)
o Managing IT Service Operations and Projects; Managing Soccer clubs.
· Communications
o Excellent Verbal & Written skills
o MS Vizio for drawing technical plans and designs
Education:
· Master of Computer Applications (MCA)
o A 3-years Master’s Degree in Computer Applications.
· Master of Arts (MA)
o A 2-years Master’s Degree in Sociology.
Certifications:
· VMware Certified Professional – Cloud from VMware, Inc
· VMware Certified Professional – Network Virtualization from VMware, Inc
·
· Projects IN Controlled Environments (PRINCE2) from Axelos
· Microsoft Certified Systems Engineer with specializations in Security and Messaging from Microsoft Corporation.
· Cisco Certified Network Associate (CCNA) from Cisco Systems Inc. in Networking.
· Brocade Certified Network Engineer (BCNE) from Brocade
· Microsoft Certified Technology Specialist (MCTS) from Microsoft Corporation.
· ORACLE E-Business Suite 11i Applications Database Administrator Certified Professional (OCP) from Oracle
Corporation.
Information Technology Infrastructure Library (ITIL) from Axelos
· ORACLE 10g Certified Professional in Database Administration (OCP) from Oracle Corporation.
· ORACLE 11i System Administrator Certified Expert from Oracle.
My LinkedIn profile: http://www.linkedin.com/in/thomasgabrieljoseph
I suggest that you may please read the recommendations given to me on LinkedIn by different technical individuals from various
companies.
It would provide you more information on my technical abi lities from their point of view.
Professional Experience
8x8 Inc., San Jose, CA
Sr. Systems and Storage Administrator (Working mainly on Virtualization)
· VMware
May 2012 - Present
· 8x8 via its Cloud Hosting business (Zerigo) was a Multi-tenant External Cloud Service Provider (Public Cloud),
providing IaaS (Infrastructure as a Service) and DaaS (Desktop as a Service).
o VMware Multi-tenant External Service Provider (Public Cloud) with many External Customers; vBlock
VMware Cloud infrastructure at Ashburn and a second Cloud Infrastructure at Santa Clara; These
infrastructures were used for hosting IaaS and DaaS (VDI) customers including in-house VCC customer;
Done upgrades and maintenances; These setups included vCloud Director, vShield Manager, Operations
Manager, VMware Auto-Deploy, vSphere Data Protection, Site Recovery Manager; In-house physical to
Virtual and Virtual to Virtual migrations (between vmware, Zen, and Openstack).
·
vBlock
o VMware vsphere, vCloud Director, vCloud Networking and Security, Cisco 1000v Virtual Switches; UCS
Cisco Chassis with blades, Cisco 3560 switches, Cisco Nexus 5k switches, Fiber channel switches, EMC
VNX 5k storage - Managed and done VMware infrastructure and all device code upgrades as per VCE
Matrix; Maintaining the HA infrastructure.
· VDI
o Planning, design and creation of a full setup for multi-tenant VDI with VMware Horizon View. Documented
and provided to Cloud hosting team; Tested Horizon workspace (Application publishing on VMware View
Desktops) and Application Virtualization using Thinapp. Supporting external customers on VMware VDI.
Maintenance and support of all Windows Server configurations and clients included with the VDI.
· Openstack
o Created a whole Multi-tenant Openstack Cloud environment (including, DNS servers, NTP, firewalls, File
Repository, chef for managing openstack infrastructure, controllers, compute, network, ceph admin, ceph
nodes etc) Icehouse version integrated with Ceph open-source HA Distributed Shared storage on CentOS.
Tested Openstack with Havana and grizzly versions and ceph on Ubuntu. Automated provisioning of VMs,
pushing containers into the VMs and configuring of applications on VMs with Heat and Chef.
·
·
Bigdata
o Implemented and tested Apache Hadoop cluster and Hbase.
Storage
o Netapp Clustered Data OnTap 8.3; Infinite volumes; Netapp Unified Manager setup and configuration;
Netapp cluster Data Ontap inter-cluster replication (mirroring); Management of IBM Netapp 7 mode storage
systems; Managing EMC VNX.
· Other
o Experienced working with different vendor Technical Support.
o Experienced in providing help to first line of technical support and direct support to customers for Hosting as
well as cloud hosting.
BPO Systems Inc., CA (Employer)
July 2006 – May 2012
Sr. Systems/Database Administrator
Assistant Manager, California BPO Systems (BPO’s office at Hyderabad, India) from November 2006 to April 2008 (1 year
& 6 months)
Information Technology Services & Academic Research Systems, University of California, San Francisco, CA as Sr.
Systems Administrator (on contract) from May 2010 to May 2012
Experience at Information Technology Services & Academic Research Systems, University of California, San Francisco: -
· ARS & ITS was providing Multi-tenant SaaS (Software as a Service) targeting researchers.
· Clustered VMWare vsphere 4.1 infrastructure with many VMs, Linux, Windows, SAN and Network Administration
·
Implementation based on Change Control Process using Development, Test and Production Environments.
· Created and configured VMs; Cloned VMs using VMWare clone and duplicated VMs with reduced size using
VMWare converter; vmotioned VMs from one server to another in the cluster; Storage vmotion; Exported VMs as
OVA & OVF VM templates for importing it into ISU VMWare infrastructure; imported VMs from external sources.
· Active Directory issue resolution for the sdelab.local domain and creation of Additional domain controllers; upgraded
Domain Controllers to Windows Server 2008; Fixed AD replication problems in one of the Domain Controllers in the
production environment.
·
Implemented Folder redirection of each user’s My Documents folder on Terminal Servers through group policies to
another data store VM; migrating All Users My Documents with proper permissions using Robocopy; Configured
Volume Shadow Copy on NTFS partition that stores users data (Network Drive Mapping and My Documents Folder
redirection using group policies) which acts as their first level of backup; scheduled regular intervals for volume
shadow copy snapshots.
· Worked on creating a set of production Terminal Server clusters to work with Secure Global Desktop (similar
application as Citrix xenapp) for Statistical Analysis and other Applications used for Research purposes on ARS
portal known as MyResearch.
·
·
Installed Applications like SAS, STATA; upgraded Office 2010 on Terminal Servers; written vbscripts and batch files
for various Administrative functions.
Installed, configured and resolved RHEL (5.2, 5.1, 6.1), Ubuntu Linux, CentOS; configured java, apache tomcat, ant,
vnc, screen, samba, NFS exports and mounts. Extracted OS partitions from Ubuntu Linux VM to rebuild the OS with
original contents and without the big vm disk attached to it to be exported and imported into a new VMWare
infrastructure as per their requirement using Live CD when vmware tools did not work out.
· Created and configured Oracle Database 11gR2 on CentOS Linux; created tablespaces, users etc; tuned for
performance.
· Configured iscsi from the OS within the VM to connect directly to the SAN to get higher performance for Oracle (11g)
and SQL Server 2008 databases; multipath & Round Robin load balancing configured at the initiator level from the
OS to the Storage Device; JUMBO frames enabled on OS, switches and the storage device.
· Configured Oracle Secure Sun Global Desktop (similar to Citrix Xenapp) for Application access by the users;
configured SSL certificates on Oracle Secure Global Desktop.
· Created, configured & cloned LUNs on Oracle Storage 7310; resolved performance issues & fixed major problem that
impacted production VMs and users connecting to the Oracle Storage device; created users, share – cifs & nfs and
monitors storage device for performance issues.
· Tested and upgraded FTP Servers to the latest versions.
· Upgraded Redcap application and MySQL database running on Ubuntu Linux to the latest version.
· Resolved problems with MySQL Database & changed parameters to fix issues that affected production users.
· Resolved user problems as high level support with regard to ldap logins to AD via Oracle Secure Global Desktop,
User’s shares, FTP, sharepoint, Redcap etc.
· Configured NX3100 as iscsi target for VMWare infrastructure with JUMBO frames enabled and multipath Round
Robin load balancing configured.
· Configured IOMega device as CIFS and NFS shares for Backups from the servers.
· ASA 5520 (dual node with failover) & 5505 – configured VPN users; ACLs for different networks as necessary; made
changes to site to site VPN for extended network access; configured connectivity as necessary between internal and
external servers or networks; Maintain and troubleshoot Cisco 3750 and DELL switch stacks.
· Configured Dynamic Disks on Windows Server where user data resides; extends partitions without any downtime or
interruption for the server.
Quest Inc. (Quest Professional Services), Sacramento, CA (on contract through BPO Systems Inc.) - Installed and Configured
VMWare Vsphere 4 on 11 Blade Servers running on HP C7000 Blade System with VMHA (High Availability) and DRS using
VCenter Server connecting to HP Storage Works 2312fc SAN through Brocade Fiber Channel switch configured for fault tolerance.
Aircraft Technical Publishers, Brisbane, CA as Senior Systems/Network Engineer (on contract through BPO Systems Inc.) from
May 2008 to April 2010
Experience at Aircraft Technical Publishers: -
· Linux and Windows System Administration and Networking.
·
Implementation and configuration of Fiber Channel and iSCSI SAN with multipath on Oracle Enterprise Linux for
Oracle RAC with ASM using Netapps storage Appliance; NAS configuring CIFS for Windows Sharing, NFS for Linux
and setting limitations using qtree. Installing new shelf disks for storage and configuring it with dual parity. Upgraded
Data OnTap (Netapp OS) from version 7.0.5 to 7.2.6.1 for making it compatible for Fiber Channel SAN.
· Upgraded and migrated data from Bugzilla version 2.16 running on Linux with MySQL Database to latest version of
Jira on Windows Server 2003 and Oracle Database.
· Configuration of VMWARE ESX server and virtual machine instances on it.
· Reconfigured and resolved problems of Replication between Windows Server 2003 Domain Contro llers in two
locations of the ATP Company - one at Brisbane and the other at Collocation in San Francisco.
· Worked on reconfiguring Distributed File System (DFS) and DHCP. Written Shell, Perl scripts for Linux and VB script
and batch files for Windows for implementing and assigning various tasks like mapping drives, synchronizing
directories between windows and between linux and windows, deleting older files, ftp -ing data from one place to
another etc.
· Worked on rectifying problems with synchronizing the data between the ATP server and files distribution server of
akamai at remote locations; configured rsync service on Windows as needed by ATP for automatically transferring
contents between servers with different types of OS's i.e. Linux, Windows and Solaris ; configured Rsync with SSH for
synchronizing directories between ATP server and file distribution servers of level3 at remote location automatically
without passwords (by using public and private keys).
·
Installing, configuring and upgrading the Linux machines to its latest version. The latest Linux systems used were
Red Hat Enterprise Linux 5 and Oracle Enterprise Linux 5 from Oracle. Worked and resolved issues on Red Hat
versions 6.1, 7.1, 8, 9, Red Hat Enterprise Linux Advanced Server 3, Red Hat Enterprise Linux 4.
· On Linux, configured Rsync Server, Sendmail Server, Samba Server, Apache, FTP, NFS, VNC Server, iptables,
NTP, LVM on various servers for specific functions; Creating Users and groups as needed and setting up
permissions. Written Shell, Perl scripts and scheduled routine jobs using Crontab. Configured - SUDO for providing
root privileges and access to normal users, port re-direction using iptables as need by developers; automatic startup
and shutdown of certain programs including JBOSS as a service during the startup and shutdown of servers;
Installed and configured SSL certificate from Network Solutions for the website running on two node Linux load
balanced server group (Load Balanced using F5 – BIG IP).
· Used utilities like SCP, WinSCP, FTP for transferring files. Used SSH, Telnet for doing the management of Linux
Servers mostly and also used VNC Viewer for doing remote administration using GUI. Compressed and
uncompressed data as needed for ease of transferring and storing; Bonding (Teaming up) Network Interfaces for
Load Balancing and Fault Tolerance. Resolved issues with Public and Private Key for password less transfer of data
using Rsync, SCP etc;
· Resolved issues with regard to DtSearch, JBoss, Apache Jserv, java Applications servers , JDBC Thin client
connectivity to upgraded Oracle Database etc.
· Worked to identify the configuration of the network setup at ATP as all the IT staffs were newly employed. Identified
and done necessary changes on the Cisco Catalyst switches which were using different vlans.
· Made changes to the routing configuration between Brisbane Office and Collocation so as to enable proper
communication between the two locations.
· Worked on Checkpoint software Firewall running on Linux machine to make necessary changes for access from
outside and also between the Brisbane and Collocation at San Francisco. Helped and resolved connectivity and
other issues that arose with the upgradation of the Network setup including the firewall from Checkpoint to Cisco ASA
firewall with load balancing. Configured Windows IAS (RADIUS) authentication to authenticate with the Active
Directory for VPN clients connecting to Cisco ASA Firewall and for Cisco Switches and Routers login.
· Worked on re-directing the website which is called from outside on Windows. Worked on issues related to f5 (BIGip)
load balancer configured for the website.
· Worked on migration of data from Livelink (8.1.3) on Sun Solaris and Oracle 8i to Windows SharePoint Service 3.0.
· Experienced working with different vendor Technical Support.
· Experienced in providing help to first line of technical support and direct support to Research customers/users.
Direct Experience at BPO Systems Inc: -
· Contract with Quest Inc. (Quest Professional Services), Sacramento, CA for resolving an issue for their client – Resolved
the certificate issue for Apache Server on Sun Solaris from their newly configured Windows Server 2008 internal CA.
· Contract with PCS (Professional Computer Support), San Francisco, CA – Resolved the problem their clients were having
in sending emails to outside from Exchange Server 2003.
· KSEC (Kokusai Semi-conductors Equipment Corporation), San Jose, CA; ActivIdentity Inc., Fremont, CA; Andros Inc.,
CA are some of the BPO Systems direct clients that I have worked for.
·
·
Installation, configuration and maintenance of all the Servers, systems/network infrastructure, software, devices and remote
accessing tools on all the three offices (California, Hyderabad and Vijayawada)
Planning and laying of the whole Network Structure in Hyderabad Office.
· Configuration & Maintenance of Domain Network Infrastructure which includes Domain Controllers, DNS Servers, DHCP,
FTP, VPN, Certificate Servers etc. for California, Hyderabad and Vijayawada offices.
· Upgraded Exchange Server 2003 to 2007; Public Folders replicated from Exchange 2003 to 2007; Network Load Balancing
implemented for Client Access Role (which includes OWA) on Exchange Server 2007; implemented Local Continuous
Replication; implemented Microsoft Forefront Security for Exchange Server and implemented Anti-Spam feature; Exchange
Server Outlook Web Access which is called from US, India and other locations is functioning through SSL implemented using
Certificates from Company’s own Certificate Server.
·
Implementation & Maintenance of important Web Applications such as Casetracker (ASP) and Timesheet (ASP.Net) and
Company’s official Website (making necessary changes as needed on HTML coding); SSL Certificate implemented from 3rd
party CA, Verisign for Casetracker and Timesheet Applications.
· Configuration and Maintenance of Cisco PIX firewall, Netgear Firewall and Wireless Routers and Cisco/Linksys Switches and
Wireless Routers.
·
·
·
·
Installation Oracle Applications on Linux and Windows
Installation of Oracle 9i, 10g on Linux and Windows and SQL Server (into which casetracker and timesheet data are stored)
databases.
Installation of Oracle Applications on RHEL and Windows 2003 on Virtual Server, VMWare for various testing and training
purposes.
· Used Linux Kickstart for automatic deployment of linux systems repeatedly for various testing and training environments for
Oracle 11i Applications on linux over physical as well as virtual machines through NFS.
Implemented replication of SQL Server Database from California Office to Vijayawada (India) office over internet which
happens every 1 hour as part of the disaster recovery plan.
· Writing scripts for automating the functions at the OS level.
· Worked using Remote Access tools such as VPN and Remote Desktop Connection/Remote Assistance, VNC Viewer,
Humming Bird (for remotely connecting to desktops in Solaris machines), Dame Ware, gotomypc, gotomeeting etc.
· Responsible for day to day operations in BPO’s office at Hyderabad.
· Conducted a Corporate Training for DELL System/Network Professionals at Bangalore on behalf of M/s. Dash Courses, USA.
· Managed IT Service Operations and Projects with a team consisting of Systems Administrators and DBAs at California BPO
Systems (BPO's office at Hyderabad, India).
Travancore Titanium Products Ltd., Kerala, a reputed Government Company, India
Role: Systems Administrator
Responsibilities:·
·
May
1995 to July 2006 (11 years)
Implementation, Configuration and Maintenance of System/Network Infrastructure which includes Servers and Clients
(Desktop PC’s and Laptop’s) and printers (Laser, Inkjet, Dot matrix and Multifunctional Devices). Operating Systems used
were Windows Server 2003, Windows XP Professional, Windows 98, Linux Redhat 9 and Fedora.
Implementation, configuration and Maintenance of wired and wireless LAN connections covering a vast area, using Switches,
LAN Extenders, Access Points and Wireless Routers.
· Maintenance and configuration of Cisco Router for internet using DSL WAN Connection which includes setting up access lists
and IP address assignment for LAN and WAN interfaces.
· Responsible for implementing and maintaining Domain setup and Exchange Server 2003 Mailing System and VPN setup
through the router.
·
· Writing scripts for automating for automating the functions at the OS level .
· Developed programs in vb.net
Implemented, configured and maintained partial Mailing System using postfix and dovecot on Fedora Core Linux.