Candidates About

                         

                        Joon Chi                                                                                           

 

CAREER SUMMARY:

 

IBM pSeries AIX system virtualization utilizing extensive knowledge of AIX, NIM, VIOS ,VLAN, vSCSI, NPIV technology to troubleshoot, problem-solving in all Unix infrastructure, SAN fabric, IBM & EMC Storage servers and Tivoli Storage Manager backup solution. Hands on technical skills in IBM pSeries VIOs, client LPAR deployment/decommission, configure and support PowerHA SystemMirror(. HACMP), Tivoli data protection(TDP), Oracle database/RMAN online backup strategy. Enterprise level system disaster recovery skills from years of system recovery experience thru IBM BCRS facilities and Corporate Disaster Recovery data center. Performance tuning, shell scripting as needed with background in various software development, programming experiences in Account Receivable/Payable, General Ledger. Proven technical leadership, interpersonal and organizational skills with the ability to train all levels of IT staffs.

 

EMPLOYMENT HISTORY:

 

Present - 2/2016     Sr. Infrastructure Engineer: SITA, Atlanta, GA

IBM pSeries 8205-E6B, IBM 9113-550, IBM DS3524 Storage server, IBM DS4500, IBM DS4800, McData 4500 Fiber switch, 3584 LTO tape library, IBM System X 3650, HP ProLiant DL380 Gen9, FAS8040 

AIX 7.1.x, PowerVM VIOS 2.2.1.x, VMware ESXi 5.5.0/6.5.0, VMware vSphere 6.5, VMware vCloud Director, EFC manager, IBM Spectrum Protect (Tivoli Storage Manager, TSM ) 7.1.7.x

 

l   Troubleshoot PowerHA 7.2 cluster issue with IBM storage servers’ Enhanced data mirroring on MQ v8.0.x queue managers.

l   Created virtual HMCs with HMC V8.8.6.0 OVA file on vSphere VM environment.

l   Applied Spectre and Meltdown patches and updated system firmware level to the latest AL730_157 on CECs

l   Applied TL4 updated to AIX 7.1.3.6 for preparation of Spectre & Meltdown issue resolution.

l   Managed p7 AIX virtual environment on 2 geographical locations, Atlanta and Singapore with 4 data centers. 

l   Upgraded 30+ production AIX 6.1.7.x LPARs to AIX 7.1.3.6 using NIM

l   Upgraded AIX to 7.1.3.6 and migrated PowerHA 6.1 clusters to PowerHA SystemMirror 7.2.0.1 on WMQ clusters.

l   Built 3 new AIX 7.1.3.6 NIM LPARs for preparation of migrating all AIX 6 servers.

l   Managed AIX servers’ SAN zonings to migrate LPARs from p5 to p7

l   Troubleshot and repaired p7 directly attached IBM DS 3524 storage devices in U.S and Singapore data centers.

l   Migrated servers and decommissioned SAN attached IBM DS Storage servers: DS4500s, DS4700s and DS4800s.

l   Built/decommissioned 40+ LPARs on dual VIOs, vSCSI configured 5 IBM p7 CECs.

l   Upgraded 2 IBM Tivoli Storage Manager Enterprise backup system (TSM) from 5.4.3.0 to IBM Spectrum Protect 7.1.7.100

l   Performed scheduled Production NTS, Messaging WMQ system switch overs, DR site alternation or troubleshot procedures.

l   Built Redhat 7.2 VMs using vSphere 5.5/6.5 on HPs and vCloud Directors on ATI cloud.

l   Participated in ATI vDC Cloud Integration & vDC builds since beginning of 2017.

l   Participated in Daily OPs calls at 9:30am.  I’m the only AIX system administrator in SITA.

l   Tracking of pSeries trend thru IBM pSeries User Group quarterly meetings (PUG) @IBM, Sandy Springs, Atlanta, GA and online virtual User Group meetings(VUG).

 

 

2/2016 – 6/2015   Unix team Lead: IBM, Sandy Springs, GA

IBM pSeries 9119-FHB, 9117-MMC, 9119-FHA, 9117-MMA, 8202-E4B, 8203-E4A, 9119-595, 9119-590, AIX 6.1.x/7.1.x, VIO 2.2.x, HMC 7.7.x, powerHA 6.1.x, EMC driver 5.6.x/6.0.x., SDD PCM driver 2.6.x, IBM 2145 & SVC, TSM 6.1.x, Sysback 6.1.x, Coca Cola Service Now(CCSN), Dell Quest Authentication (QAS) , Quest ARS(Active Roles Server)

 

l   Coca-Cola Unix system administration group outsourced to IBM GTS in June 2015. Since then, worked as an IBM Sr. Unix admin consultant managing IBM pSeries servers.

l   As IBM Unix focal responsible for CCR account, supported entire 550+ virtual AIX LPARs at CCR Atlanta data center.

l   Lead Unix Knowledge Transfer sessions to IBM offshore team since outsource.

l   Provided AIX 7.1.x Migration, newer TSM server build plans to IBM Service Availability Managers.

l   Troubleshot WebMethods performance issues; Participated in WM Architectural Review & Work sessions.

l   Reconfigured proc, mem, entitlement on production servers - SAP application servers and database servers.

l   Implemented EMC SAN Storage Flash Copy proxy server, to backup Business Warehouse DB2 database servers.

l   Restored crashed QB1 AIX LPARs caused by Flash Copy/Restore.  

l   Provided AIX system security Audit reports to CCR Security management teams.

l   Configured new AIX 7.1.3.5 NIM resources, as part of AIX 7.1 deployment/migration project.

l   Built 2 new TSM servers on p7 770 CEC to run AIX 7.1.x backup as part of AIX 7.1 deployment/migration project.

l   Provided Webmethds tier-1 nmon data, perf analysis to Application owners.

l   Corrected sftp, user ID setup issues etc. and trained procedure to Security/AD team members.

l   Troubleshoot failed NFS mounted NAS file systems with Network, Storage teams.

l   Trained recent hires, Jr. to Intermediate level Unix offshore staffs from IBM, India.

l   Resolved QAS/AD authentication, sudo access issues on multiple Unix servers.

l   Assisted Offshore Unix primary On-Call staffs as a backup 2^nd line support.  

l   Participated in Application owners’ meeting requests as AIX system Architect/Lead.

l   Lead daily huddle meetings, M-F with offshore Unix team.

l   Provided RCA(Root Cause Analysis) for P1,P2 incidents.

l   Report monthly CCR account’s Accomplishment to IBM management.

 

 

6/2015 – 8/2007   System Support Specialist IV: The Coca-Cola Co. ( Coca-Cola Refreshments, Coca-Cola Enterprises), Atlanta, GA

IBM pSeries 9119-FHB, 9117-MMC, 9119-FHA, 8202-E4B, 8203-E4A, 9119-595, 9119-590, 9117-MMA, 7028-6C1/6C4

AIX 5.3.x/6.1.x/7.1.x, VIO 1.5.x/2.2.1.x, HMC 7.6.x/7.7.x, powerHA 6.1.x, TSM 6.1.x, Sysback 6.1.x, Remedy, Tivoli Service Request Management(TSRM), Coca Cola Service Now(CCSN), Dell Quest Authentication (QAS) , Quest ActiveRolesServer

 

l   Provisioned p7 NPIV or p6 vSCSI virtual LPARs on IBM pSeries CECs; Frequently revised p7 LPAR build procedures.

l   Decommissioned numerous p7 NPIV, p5 or p6 vSCSI virtual LPARs as part of OPEX reduction.

l   Responsible for Creating, managing AIX 6.1.x, VIOS 2.x NIM resources for LPAR deployment and imaging the servers.

l   Built WebMethods servers - TSA/HADR LPARs with IBM provisioning toolkit 3.x.

l   Installed/reconfigured/upgraded 6.1.x powerHA clusters frequently on both prod and non-production systems.

l   Migrated p5 virtual LPARs to p7 NPIV or p6 vSCSI environment.

l   Performed new SAN replication disaster recovery exercises in Savvis DR site.

l   Updated SDDPCM device drivers on p5, p6 VIOs for SAN Storage server upgrade project.

l   Installed new IBM p750 TSM servers to replace older backup/restore systems.

l   Troubleshot, remediated constant sysback job failures on nearly 550 LPARs for TSM team.

l   Created Yr-2013 AIX server command-line QAS AD upgrade procedures for consultant to implement on all Unix servers.

l   As a project lead, Completed Yr-2011-2012 VIO server refresh project: Updated system firmware, device microcode and SDDPCM device drivers and applied 2.2.1.1 FP25 to all IBM p6 dual VIO CECs .  

l   Tech lead on ftp Remediation project: Disabled ftp daemon on 600 LPARs by providing alternative methods such as NAS or sftp.

l   Provides users with system price Quotes for new LPAR builds.

l   LPAR builds/NPIV migration to power 7 LPARs with new EMC VMAX storage sever since 2011.

l   Tested, created IPSEC configuration procedure; Applied to WebMethods servers where ftp still being used.

l   Completed Unix lab system - total of 8 VIOs with 4 p6/p7 CECs - within 3 week project time.

l   Configured nmon data collections on apprx. 600 Unix LPARs.

l   Participated in WPAR, Live Partition Mobility projects.

l   Configured IBM power 6 and 7 Virtual I/O (VIOS) LPARs; Patching, upgrading, monitoring, performance/tuning and problem determination and Level-3 troubleshoot/resolution ( Coca-Cola Enterprises )

l   Supports 550+ IBM pSeries virtual AIX LPARs in 19 pSeries CECs.

l   Participated in Gemini project, out sourced Coca-cola Enterprises’ European business servers to IBM Sterling Forest in 2010.

l   Initiated, planned, and successfully completed OneSAP system migrations from older 7028-6C4 machines to 9119-590 LPARs.

l   Completed HACMP 5.4 upgrade/migration project on SAP Portals, R/3 servers.

l   Installed and supported License Metric Tool (LMT) 7.2 on Unix LPAR for license management report.

l   Trained peers to perform TSM backup/restore, DNS/firewall rule changes, Ethernet configurations, NIM operation etc.

l   Participates in 24x7 Unix on-call shift and Unix monthly maintenance work.

 

 

08/2007 – 09/2006   System Engineer III : Graphic Packaging International, Atlanta, GA

IBM p5 Series, IBM McData ED 6064, TSM 5.3, 4560SLX, TS3200, ADIC100 SCALAR tape libraries, IBM 3584-L32 LTO1/LTO2 tape libraries

AIX 5.2/5.3, DB2, DLPAR, EFC Manager 7.x, TSM 5.2/5.3, HACMP 4.x/5.x, Windows 2000, Windows XP: VPN client, MS Outlook

 

l   HW/SW support on all aspects of AIX system administration in IBM p5 Series 9117-570, 7040-61R and ESS 2105-F20 storage server SAN environment. Support on daily operations, upgrades and data migration in financial system.  

l   Performed business critical data server disaster recovery tests using TSM at IBM’s Maryland, Colorado BCRS facilities.

l   Performed Quarterly DB2 database server and db recovery test at remote locations.

l   Managed 12 TSM backup servers on both AIX and Windows 2003 servers in 10 regional remote locations. Analyzed & fixed Disaster Recovery Module, on-going daily processing issues. Taught intermediate system administrators to take over and to run back/restore operations.

l   Completed Corporate SOX compliant project on HR / Financial, DB2 database servers. Enforced security issues on critical production servers.

 

09/2006 – 05/2001   AIX SP System Administrator : The Great Atlantic & Pacific Tea Company (A&P), Montvale, N.J

 

IBM p4/p5 Series, SP Frames, IBM 3494 ATL, 3581 LTO2

AIX 5.2/5.3, Oracle 9i/11i, PSSP 3.x, LPAR/DLPAR, HMC, EFC manger 7.x, FastT Storage Manger, TSM 5.2/5.3, SSA-RAID

Windows 2000, XP: VPN client, BMC Patrol agent, BMC Control-M, MS Outlook mail, Reflection, Peregrine Service-Center

 

l   Completed SCON project to reduce H/W, S/W maintenance cost & performance issues. Setting up SPLPAR on new p5 Series p505, p520Q, p630, p550Q, p560Q servers, and DS4100 data storages.

l   Supported AIX 4.3/5.1/5.2 installation, migration upgrades on 50+ 9076-270 WinterHawk-2 SP nodes, 15+ stand-alone 7017-S7A/S80/P680, 7026-M80/6M1, 7038-6M2, 7039-651, 7028-6C4 servers in Production environment.

l   Supported 7014-T42/T00 FastT DS4000/4500 with 500/700/900 data storages, 2105-F20 with ESSs(14 TB) on McData ED-6064, Sphereon ES-3016/ES-4500 SAN environment in Headquarter data center in  Montvale, NJ & remote data backup site in Columbia, MD.

l   Contacted IBM software/hardware support to resolve any issues on daily basis.

l   Configured DRM on Tivoli Storage Manager; Managed Operations group to support TSM function and offsite tape storage management.

l   Installed & supported and managed Tivoli Storage Managers with 2 IBM 3494 ATL, 18/8 3590-E1A tape drives in local and remote data centers. Migrated older TSM servers from 4.2 to 5.2.7. 24x7 Level-1 support on enterprise Disaster Recovery/Oracle Database Cloning issues if requested by Operations Dept. Hired & trained numerous TSM administrators in 5 years of service.

l   Performed numerous enterprise level Disaster Recovery tests, mainly with Tivoli Storage Manager 5.x.

l   Completed Corporate DR project at IBM’s Sterling Forest(Business Continuity and Recovery Services Unit in NJ) in July, 2005

l   Supported oracle database/application product installations on multiple nodes. Set up RMAN oracle database backup, Tivoli data protection for oracle on IBM Retek RMS/RDW products.

l   Configured IBM MQ Series 5.2.x/5.3.x, MQSI 2.1.0.x, CommerceQuest and EVOKE products.

l   Have extensive experience in application installations, configuration and upgrades : BMC Patrol 7.x, Patrol Enterprise Manager(EM), Control-M/EM enterprise scheduler, Control-M for Oracle, WebSphere for MQ etc.

l   Installed and supported HACMP configurations on 7026-H70 servers.

l   Troubleshot & repaired h/w s/w problems in daily basis.

 

2001 – 1998   System Administrator : HANJIN SHIPPING North America Head Office, Paramus, N.J

 

RISC 6000: AIX 4.3, Oracle database 7.3.4, HACMP, RAID, SSA, PL/SQL, ADSM, Korn shell, Awk/Sed

Windows NT, LINUX 5.2: Firewall, DHCP, PPP, Work Flow Internal Message System

 

l   Installed new production servers (7026-H50), HACMP, Tivoli Storage Manager (ADSM) and Versatile Storage Server (VSS) for the merger of two companies, Hanjin and DSR-Senator in 1999.

l   Configured DNS/BIND, POP3 and Sendmail on Email server (7013-59H, 7135-210 RAID) for 50+ branch offices, serving 1000 users, in U.S and South America. Installed Linux Email server for DSR-Senator.

l   Customized EDI servers (7015-R40) with HACMP, SSA configuration for various EDI data transfers.

l   Set up ADSM Distributed Storage Manager. Operated, scheduled daily/weekly archive backups for NIS (New Information System) business application, Oracle Database and EDI data in random mode.

l   Upgraded AIX Operating System to V4.3.2, applied patches released as well as AIX OS installation. Installed various S/W packages including ORACLE RDBMS, MQ series etc.

l   Managed Corporate Year 2000 Compliance Project – customer & vendor contact, system and communication equipment H/W, S/W upgrades in North America operation territory.

 

1998 – 1994   Assistant Manager : LG ELECTRONICS USA, INC, Englewood Cliffs, N.J

                        

HP 9000: Oracle Database, Personal Express, Financial analyzer, shell scripts

SUN SPARC: Solaris 2.5, email server

IBM 4381: Structured COBOL, OS/MVS, OS/JCL, Command CICS, VSAM, IMS/DLI, TSO/ISPF, SAS

PC/LAN: Novell, windows 95 & NT environment

 

l   HP-UX Unix system configuration, PC/LAN and NOVELL support for 100+ users.

l   Data conversion from IBM 3590 Mainframe Service Production to HP-UX NEW-VISION oracle application.

l   Developed Warranty Claims system for Service Division, redesigned Import Tracking System for Production Division, implemented Sales Analysis and Moving Sales Forecast System, and numerous changes to all subsystems in Mainframe environment.

l   Made extensive modifications and enhancements to service production application system on mainframe that significantly improved system efficiency, and on call support of 24 Hrs/day.

l   August 1996, created Zenith O.E.M part distribution system in Service Production Division, modified from existing system, to fit Cooperates’ new business needs.

 

1994 – 1991   Banking System Consultant: I.M.S. BUSINESS SYSTEM, New York, N.Y.

               

RISC 6000, AIX 3.2, SCO UNIX: Progress 4GL/RDBMS, C, Shell programming

 

l   Developed commercial loans, L/C, general ledger, trade finance, financial reports in Progress 4GL RDBMS. Modified system to support currency/language to fit Eastern Europe bank clients.

l   UNIX (AIX) system installation and contract maintenance for 10+ bank clients.

l   Responsible for error corrections, disaster recovery, backup and Month/Year Close support on banking system. 

l   Technical support of Eastern Europe accounts that include Poland, Latvia and Lithuania.

l   Installed, customized house developed banking system in VILNIUS bank, Lithuania and Rigas bank, Latvia in 1993.

 

TRAINING:

 

Current – 2017   ASPE DevOPs Implementation Boot Camp

2016 – 2006        IBM formal classroom and onsite trainings related to AIX system administration (20+)

                            IBM Virtualization classroom trainings, Atlanta, GA

                            IBM technical University

    IBM pSeries User Group(PUG) meetings

Virtual User Group(VUG) meetings

2005 – 2001            IBM SP System Administration classroom trainings

2001 – 1998            IBM System Administration & HACMP classroom training, Oracle DBA classroom trainings

1998 – 1994            Oracle Financial classroom trainings

                IBM Cobol DB2 CICS programming

 

EDUCATION:

 

1/1992 – 6/1989      M.S in Computer Science, Polytechnic University, Brooklyn, N.Y

1/1988 - 3/1984       B.S in Computer Science, K.B. National University, South Korea