SUMMARY:

• Over 10 years of diversified experience that includes, system administration, deployment and network administration, maintenance and experience with MS Windows Servers, various Linux flavors, RedHat, SCO, AIX & Sun servers.
• Root cause analysis in diagnosing troubleshooting issues during installing, configuring and deployment of different hardware, OS, and applications.
• Experience in building, supporting, maintaining complete SSO infrastructure using Oracle Identity Manager, Oracle Unified Directory, OID/OHS etc, for 80,000+ users, running on RedHat servers for Confidential entities.
• Built and managed RHEL Satellite 5 server and supported patch management and script deployments from central location.
• Configured NTP for Datacenters, Architect FTP sites, redundant systems, in process of deploying ID management for Authentication between Windows AD and Linux systems.

TECHNICAL SKILLS:

System Administration: Microsoft Windows Servers, Red Hat Linux ES., Oracle Enterprise Linux, CENTOS.

Databases: My sql, MS SQL 2008, 2005 and Oracle DB's 12g, 11, 10, 9i.

Managed and deployed Windows NT, 2K, 2003, 2008, 2012, Exchange, IIS, configured Active Directory for multiple domains, forests created users, deployed policies, VMware ES(x) Servers, PXE boot, Altiris OS/Package deployments, Windows and Linux Kick start deployments.

Hardware: Dell Power Edge servers, HP ProLiant Servers, DL 580, 380,360, Gx, HP Blade Chassis C7000, IBM X series, P series, Z Series, Sun Solaris E420, E250, Silicon Graphics, Cisco UCS, VBLOCK, SAN EMC, MAX, DataDomain, Networker 8.x, Clarion, HP EVAs, XP support, Brocade, Cisco, Foundry, F5 load balancers, Extreme IO, DataDomain

PROFESSIONAL EXPERIENCE:

Confidential, Charlestown, MA

Sr. System Administrator

Responsibilities:

• In charge of building, supporting, maintaining complete SSO infrastructure using Oracle Identity Manager, Oracle Unified Directory, OID/OHS etc, for 80,000+ users, running on RedHat and Windows servers for Confidential entities.
• Oracle Clustered RAC DB, Oracle OHS front end, WebLogic App server, Oracle OUD LDAP directory maintains and design.
• Lead engineer for technical s, built new DR environment, DEV, QA and Prod environment running on blade systems on RHEL 6.4 running on Blades VMware systems and DB Physical servers.
• Work with business groups, developers, vendors and upper senior management on various Projects and tasks.

Confidential, Southborough, MA

Linux Engineer

Responsibilities:

• Install, manage and deploy Linux RHEL 6.4 systems, manage and built templates on VMware 5.5 running on CISCO UCS B200 M3, 10 Blades 20 Cores with 256GB RAM, running manage 2.210, attached to EMC VMAX, EMC XtremeIO, using EMC networker 8.2 for backup and restoring.
• Carving out LUNs, configure Data Stores, Attached RDM disks, built and manage about 300+ systems running Linux RHEL 6.4,5.x,3.x running Oracle 11g DB.
• Supported migration from Physical to Virtual servers.
• Built and managed RHEL Satellite 5 server and supported patch management and script deployments from central location.
• Configured NTP for Datacenters, Architect FTP sites, redundant systems, in process of deploying ID management for Authentication between Windows AD and Linux systems.
• Built NFS server and configured SendMail systems.
• Support of CTRL M, Jenkins server setup for Dev/Dba/QA teams.
• Act as SME for Architect new environments, doing RCA on current issues and doing process improvement.
• Provide on - call support to Windows 2012, 2008, 2003 server systems running .Net applications.
• Support GPO mgmt. restructures AD/DNS, Domain migration and Domain upgrades.
• Utilized JIRA and Confluence.

Confidential, MA

Linux System Administrator

Responsibilities:

• Install, manage, and support Linux (RHEL, CentOS) servers.
• Currently maintaining about 130+ servers.
• Support Integration, development, test, CI, Staging and Production environments.
• Tomcat, Apache and MySQL server support running on RHEL/Centos.
• Resize LUNS, create new mounts, and deploy software patches and Setup Spacewalk server for maintaining Config management on all servers.
• VMware VSphere cluster between 2 sites, running 5.1 with Site Recovery Manager, Vcops, VEEAM Backup and Recovery, SureSync, Jenkins, JIRA for Agile Continuous Integration.
• Monitoring using Oracle SQL Enterprise monitor for maintaining about 30+ MYSQL servers.
• Configured Spacewalk 2.0 for different environments, setup config management for patch management. Manage VMware environment including vSphere, Site Recovery Manager, vCenter Operations Manager, VEEAM Backup and Recovery Setup and administer open source servers: Apache, Tomcat, and MySQL. Worked closely with clients, development teams, and colleagues to identify and resolve complex issues or problems that impact Linux, VMware, or other infrastructure environments.

Confidential

Lead Windows Engineer

Responsibilities:

• Part of SharePoint and .Net team for supporting Metlife applications on various versions running on Windows 2003, 2008 and 2012 with various MS SQL versions.
• Assisted team during deployments and resolving technical issues utilized HP Remedy Ticketing, Change Management, and utilization for maintaining and assignment of work.

Confidential

Consultant

Responsibilities:

• Supported online Confidential site for deployment of application and modeling changes on RHEL servers for Agile Continuous Integration using Subversion repositories, Branch cuts, and release management supported DEV/QA Release management.
• Utilizing JIRA, Cruise Control, ANT, on Windows and RedHat Linux servers.
• Promoted the code from Dev branch to the Integration branch.
• Actively used Continuous build and Continuous Integration tools.
• Responsible for updating the defect/bug status for all the builds.
• Setting up Automation Jobs and executing them.
• Deploy and maintain applications running on Java, Tomcat, and Apache sites, worked on Splunk, setup web checks, configure Nagios agents on machine.
• Worked on VMware VSphere-ESXi, for system build outs running Windows and Linux VMS. Servers/systems.
• Created new pools, Virtual VIPs on F5 for setting up new sites, configuration till go live.
• Verified the applications are deployed successfully, made CF engine policy changes and deployed.
• Created/Edited Visio architect diagrams to reflect new changes.

Confidential

System Administrator

Responsibilities:

• Assisted contracting firm for testing of health applications for (JMIS) Development, Testing and evaluation (DTE).
• Supported Healthcare application Dev/QA teams for implementation testing/deployment from Iraq (Theater) to USA (Garrison).
• Worked and supported (HAIMS, NCAT, BHIE, AHLTA, and CDR).
• Responsible for setting up test environments of applications for testers during SIT cycles and UAT.
• Providing support to application developers for recreating issues.
• Supported testing teams in different cycles.
• DICOMS, PACS, Metadata testing and verification, utilizing SharePoint for backend image repositories.
• Technical support for multiple healthcare applications running on AIX, HP SUPER dooms, HP blade chassis servers, ESX 5.0, 300 plus VMs servers, running SANs, DMX, EMC FIBER BROCOADE Cisco switches for clustered Windows servers running applications utilizing OpenLDAP, Open SSL.
• Worked with Project Management Office (PMO) in multiple projects for various applications throughout SDLC.
• Verified and witnessed installation and configuration applications running on Windows 2008 R2 servers IIS 7/8 for multiple .Net applications, installed SSL certs, application pool settings and testing out the application.
• HP blade 7000 chassis with blades for virtual environment implementation running VMware.
• Configured SQL 2008, Windows 2008 Servers, verified and tested applications for GOTS attached to HP and EMC SANs.
• Ran SQL queries on Oracle and MS SQL servers for data testing.

Confidential

Implementation Deployment Engineer

Responsibilities:

• Part of Level 3 support team that managed and deployed builds/patches for in house multiple Java applications utilizing Cruise Control, Ant, Subversion, on Windows, Linux RedHat OS, for Medicare, Tricare and commercial BCBSSC applications running on 3000 plus servers.
• Worked with Project Managers, Developers and testers during pre/post deployments of applications and provided support during all phases till go live.
• Supported during DR testing of Datacenter.
• Configured and supported WebSphere 6.0, 7.1 servers On AIX, SUSE Linux and deployed Portals.
• Configuration and deployment of iPlanet, Apache, IBM HTTP, Tomcat and Sun One servers and deployed apps and maintained clustered applications.
• Worked on IBM Zlinux guest servers running SUSE on Z10.Z11 mainframes for multiple apps.
• Supported MS Active Directory Tree 2003/2000 and clustered MS Exchange 2003 during migration and upgrade of Emails for BCBSSC environment for many users with MS SMS, Altiris deployments of java packages, CA DSM, Rebuilt Schemas, LDIF export/imports and managed multiple Microsoft clustered application servers.

Confidential

SAP Methodology Solution Manager

Responsibilities:

• Certified in RUNSAP Methodology, E2E 100(End to End diagnostics Root Case Analysis), E2E-300 implementing BPM (Business Process and Automation Management).
• At client sites, installed and configured SM.
• Configuring, SMD (Solution Manager Diagnostics), RCA (Root Cause Analysis), CA Wily Intro scope on solution manager 4.0 at clients sites to maintain the enterprise servers’ performance.

Confidential

System Administrator/SAN Administrator

Responsibilities:

• Supported and managed HP and Dell based Linux servers (Centos, Oracle Linux, Debian and Fedora) running Apache, Tomcat, Send mail, Oracle Databases/apps, configured EMC, HP SANS, ISCSI, Fiber HBA cards on EMC Clarion 340 series, Symmetrix series, using Navisphere, EMC Command Center, Symmetrix Management Console, HP EVA 6100 redundant system for test environment using FC FATA and SATA drives.
• Configured VMware ESX 3.5 servers, Managing LVMs mounts, Device Mappers.
• Built Host servers, utilized Wyse terminals, created images, pxe boot, configuration and management of guest OS.
• Implemented HP SIM for server environments utilizing Symantec Netbackup for backup jobs.
• Configuration of Configured Oracle 11g and ran ASM (automatic storage management), configured Oracle Enterprise manager for App and DB systems.

Confidential

System Administrator/Technical Analyst

Responsibilities:

• Maintain Global Redundant data center using Cisco gear GSLB (Global Site Selector) and CSS .
• Oversee and build upon the system and storage layer subsystems, for new server creation and maintenance Deploy all patches and upgrades on server’s HP DL 580, 380, 260, 145 etc, running Windows 2003, 2000, Linux Red hat ES4 64/32bit.
• Deployed and maintained all applications on Java, ANT, Tomcat, Apache, and IIS 6.0/5.0.
• Configured Rapid Deployment Pack (RDP/Altiris) for unattended installs of Linux and Windows servers and backup/snapshots of all critical machines in the cluster for running AAA.com. Net Appliance and HP SAN used for snap mirroring b/w sites.
• Installing and configuring CORBA Visibroker 7, JBOSS 4.04x, Tomcat, APACHE 2.0 and Web Objects.

Confidential

System Administrator

Responsibilities:

• Configured, managed 1300 servers running Windows 2003, 2000 Linux servers.
• Installing, configuring Linux RedHat ES4 servers, servers.
• Configured Altiris for unattended installations for Windows OS servers joining & maintaining the Active Directory tree, and different Linux OS.
• Setting and managing multiple clusters on Windows 2003 machines with various sans

Confidential

Sr. Network Administrator /System Administrator

Responsibilities:

• Installed & configured the complete Data Center running around 300 plus servers, 20 racks, from scratch. Responsible for building network architect from ground up for the entire data center and connecting 5 remote locations point to point.
• Installed, configured, upgraded & managed 150+ Servers running MS Windows 2003, 2000 & NT 4.0 OS and 13 Sun Solaris Servers Responsible for saving company Thousands of dollars by implementing new technologies.
• Managed cabling (Cat 5 & fiber) all over the 4 different networks in the Data Center.
• Maintained Backups using VERITAS Backup Exec 10.0 & 9.1 on DELL Power Vault 128T’s. Lead Infrastructure Support person for office and trading floor environments (NASDAQ, NYSE, CBOE, CBOT, CHX) Manage Electronic Trading Systems, both front and backend, on multiple platforms (Windows & Sun Solaris).
• Managed LAN environment consisting of 10/100/1000mb Cisco Switches and Hubs, including multiple VLAN's and wireless 802.11 support.