SUMMARY

• 12+ years of experience in System Administration with operating systems in Confidential AIX (4.3/5.x/6.1/7.1).
• 9 years of experience as Technical Lead / Account Focal managing a team of up to 10 Administrators.
• 9+ years of experience as Systems Security Specialist with skills in Directory Server (TDS), Access Manager (TAM/ISAM), Directory Integrator (TDI) and Federated Identity Manager (TFIM).
• Support complex environment with strong skills in TDS/LDAP, Confidential DB2, Websphere Application Server, Confidential HTTP Server, Tivoli products like Tivoli Access Manager (TAM/ISAM), Tivoli Directory Integrator (TDI), Tivoli Federated Identity Manager (TFIM) on AIX and Linux platforms.
• Strong background in Java based tools like wsadmin (jacl and jython) for web application system administration.
• Strong experience in Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Disaster Recovery, Performance and Fine - tuning of AIX systems.
• Experience in installation and configuration of Virtual I/O Server and Clients through HMC and configured Logical Partitioning (LPAR/DLPAR) on p5-570s and p5-590s using NIM.
• Strong experience in clustering with Confidential HACMP software.
• Well versed with various concepts and key features of Storage Area Networks. Skilled in Configuration SAN with EMC Symmetrix. Fiber interface cards configured on AIX Servers to attach through SAN switch.
• Sharp skills on Scripting (Shell - Bourne, Korn, C) and Perl.
• Design & Implementation of System Security Administration Policies. Perform installation, periodic maintenance updates and apply APAR fixes.
• Experienced in corporate Disaster Recovery Planning and procedures and testing.
• System Performance Monitoring & Tuning. Experience in Installation and Configuration of TCP/IP for LAN/WAN on AIX servers.
• Hands on experience on Network Trouble shooting using ndd, traceroute, netstat, ping, ifconfig and snoop etc.
• Have excellent communication skills, trouble shooting skills and ability to work as an individual and also part of team.

PROFESSIONAL EXPERIENCE

Confidential, Rosemead, CA

Senior IT Infrastructure Engineer

Responsibilities:

• Working as Senior IT Engineer in Identity Management Team at SCE with expertise in TAM/ISAM and TFIM.
• Working as focal for TAM, TFIM and TDS Support for SCE.COM account. Maintain and support Production (Live and DR sites) and 5 Non-production environments.
• Working on TAM Webseal server and middleware migration project for a data centre move.
• Worked on migration of Access Management environment from TAM 6.1 to ISAM 7.0, across 2 production and 7 non-production landscapes.
• Set up failover sessions across multiple webseal servers in each location (Primary and DR).
• Working on improving performance, time-out errors and other application related issues specific to webseal hosted applications.
• Trouble-shooting Identity Management solution issues in current environment after TIM 5.1 migration.
• Help configure WebSphere Application Server clustering using IHS Plugin and enable global security.
• Work on daily LDAP steady state activities, which includes cuistom data pull, function/bind ID creation setup.
• Work on implementing multiple applications to integrate with SSO setup in Internal SCE space.
• Working on SCE.COM account for TAM, LDAP and TFIM account.

Environment: AIX, Linux, TAM 6.1/ISAM 7.0, TIM 5.1, TDS 6.3, TFIM 6.2.2

Confidential, Boulder, CO

Systems Management Specialist (AIX, Security)

Responsibilities:

• Worked as a Lead Focal for multiple accounts in Global Directory Services team at Boulder, CO. Team provides support for Confidential Global Corporate Directory Infrastructure which are used for Authorization and Authentication services.
• Build and support approx. 150 servers in 7 different geographic locations across the world.
• Server support includes hardware maintenance in Boulder. For all servers - AIX support and all middleware support including LDAP/TDS Masters and Replicas, DB2 Server and Client, TAM Policy/Webseal/Authorization Servers, Websphere Edge Load Balancer, Confidential HTTP Server, Websphere Application Server, Tivoli Directory Integrator, MQ Server and Client, Tivoli Federated Identity Manager.
• Install, support and maintain LDAP servers with Peer Masters in Boulder and POK and replicas across other GEOs. LDAPs currently on TDS v6.1 with DB2 v9.1, with plans to migrate to TDSv6.3 and DB2v9.7 in end of 2013.
• Work on support and upgrades for multiple Tivoli Directory Integrator v6.1 instances with custom developed Java/J2EE based assembly lines involving LDAP instances and MQ server/client setup.
• Install, support and maintain TAM Policy servers in Boulder and TAM Webseal’s across all SSO sites. Full working knowledge of pdadmin commands/utility. Maintain delegated user authority in TAM environment with sec master authority to our team and less privileges authority to application boarding teams.
• Been working on TFIM installs and support for last 5 years which includes AIX, IHS, WAS and TAM components as well. Currently maintain 3 separate TFIM environments which each provide services as Identity Provider (IDP), Service Provider (SP) and Replying Party (RP).
• Support and maintain the backend TFIM servers which provides authentication and authorization mechanism for multiple SAML and OpenID protocol applications.
• Good working knowledge of SAML 1.1, 2,0 and OpenID protocols.
• Installation, implementation, upgrading, performance, security, patching and monitoring of WebSphere Application Server Network Deployment (WASND) environments, with experience in both versions 6.1 and 7.0.
• Maximizing availability and performance for all WASND and Confidential HTTP Server Plugins and Confidential HTTP Server systems. Deploying custom web based Java applications on Websphere clusters.
• Strong working knowledge in Java based tools like wsadmin (jacl and jython) for web application system administration.
• Configured high availability clustering environment using HACMP Cluster software.
• Developed Perl and Korn shell scripts for admin tasks like customizing user environment, performance monitoring, platform independent wrapper scripts, pushing changes through cron, security management etc.
• Evaluating security controls on new and existing AIX servers to access compliance to policies and standards and practices for the industries.

Environment: Confidential AIX 6.1,5.3 (P-570, RS/6000), LDAP/TDS, DB2, Tivoli Access Manager, Tivoli Federated Identity Manager, Websphere Application Server, Confidential HTTP Server, TDI, Perl, Korn Shell, SAN, Power HA.

Confidential, Durham, NC

AIX Technical Team Lead

Responsibilities:

• Working as an AIX Technical Lead for up to 10 Administrators under the Service Development and Test Team for ERP Hosting Project to provide a GSK strategic, centrally hosted ERP hosting solution for SAP across GSKs business landscape.
• Written System Test cases (STC) to perform Non-Functional Acceptance Testing (NFAT) and Local Instructions (LIN) to perform Operational Acceptance Testing (OAT).
• Performed tests and written procedures for the entire Environment including AIX LPAR, HACMP, NIM Server, VIO Server, Veritas NetBackup, EMC Symmetrix, SRDF and Tape Library.
• Involved in documenting the entire corporate Disaster Recovery Planning procedures.
• Performed Disaster Recovery Tests at the Standby site using SRDF/A and customized GSK scripts.
• Documented and performed Oracle Database and SAP Volume Group restore from tapes using Replication Manager (BCV) and brrestore tools.
• Involved in implementing and testing the DSSU (Disk Staging Storage Unit)for Oracle archivelog backup and restore procedure across the entire fleet of ERP Hosting Database LPARs.
• Documented and performed procedures for startup and shutdown of Database, Application, NetBackup, NIM, VIO, and HMC Servers including their corresponding applications.
• Document procedures to take HACMP cluster snapshot and cluster failover using different options like smitty clstop, quorum failure, system dump, halt - q.
• Responsible for scheduling day to day activities for the team members and representing the team in various discussions with UNIX Support, EAS Basis, ACS Data Center Operations, Incident Management and Windows teams.
• Lead/involve in the daily Test Review Board (TRB) meeting with Management including Q&C to review anomalies identified NFAT/OAT Testing.

Environment: Confidential AIX 5.3 (p595, p570, p550), Oracle, SAP (R/3, BW, APO, EP, SRM), Veritas Net Backup, EMC Symmetrix (BCV, ECC, SRDF/A), ADIC Tape Library, Brocade switch, Cisco switch, Tivoli Work Scheduler, BMC Patrol, Virtual I/O, NIM, HACMP.

Confidential, Midland, MI

AIX System Administrator

Responsibilities:

• Administered multiple Confidential machines (p5-570, p5-590, p630, p670, p690) running AIX 5.1/5.2; Co-ordinated application team to Upgrade AIX 5.1 to AIX 5.2; Created and configured LPAR/DLPAR’s on p5-570s and p5-590s.
• Used the DLPAR to dynamically add, remove and reassign physical and virtual resources to the client partitions without restarting the AIX.
• Configured the HACMP clusters to keep the high availability applications running on Confidential pSeries (p690’s)
• Involved installation of the Standard Operating Environment using Network Installation Manager (NIM).
• Assisted other Unix administrators when help was needed (i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc).

Environment: Confidential AIX 4.3.3, 5.1 (RS/6000), 5.2, Tivoli Storage Manager, p5 - (590, 570), p690, p670, p630, Korn Shell, NIS, NFS, HACMP software.