AIX/LINUX SYSTEMS ADMINISTRATOR

14 years hands-on AIX experience providing production, QA and development support to ensure UNIX systems availability and reliability. Experience in IBM RS/6000 servers; pSeries - Power 4, Power 5, Power 6 and Power 7 servers; LPAR/DLPAR partitioning, HMC administration, HACMP, NIM build and maintenance, WebSphere base product installation and configuration, experience with server side administration of Tivoli Storage Manager and TSM restoration. 2 years hands-on Red Hat Linux systems administration experience.

AREAS OF EXPERTISE:

• AIX deployment, administration and maintenance
• Performance Tuning and Monitoring
• NIM installation and maintenance
• Participate in Capacity Planning
• WebSphere installation and configuration
• Change Management
• Patch Management
• Disaster Recovery/Business Continuity
• Security Principles and Practices
• Maintain Operational Documentation
• Problem solving and troubleshooting skills
• User Account Administration
• Root Cause Analysis
• Linux deployment, administration and maintenance

TECHNICAL PROFICIENCIES

Platforms: UNIX (AIX 4.1.5, AIX 4.2.1, AIX 4.3.2, AIX 4.3.3, AIX 5.2, AIX 5.3, AIX 6.1); High
Availability Cluster Multi-Processing - HACMP 5.1 and HACMP 5.2; IBM RS/6000, Logical Partitioning (LPAR) – IBM pSeries 550, 570, 595, 561 and Power7 750; EMC Symmetric, Hitachi Universal Storage Platform (USP-V), IBM x345 Series server - Red Hat Advanced 2.1 Linux, Microsoft Windows 2000, Microsoft Windows XP, Professional, Microsoft Outlook, IBM Lotus Notes 7, and IBM Lotus Sametime Connect
Networking: TCP/IP, Ethernet, DNS, NFS, Token Ring, FDDI, VPN, SSH, FTP, SCP, SCP (WinSCP), vi editor, SecureID, ISPF Text Editor
Tools: Tivoli, TeamQuest, Control-SA/Enterprise SecurityStation (ESS), Symantec ESM, PVCS Dimensions, PowerDOCS 4.0, Action Request System (Remedy) Remedy 7.5 Change
Management Request, BMC Remedy Action Request System (7.5), ServiceCenter 5.1.4.0, RightNow Incident Processing System Java Client, SSH/Putty, HummingBird Exceed Connectivity V9.0, Internet Explorer, Windows NetMeeting, and Lotus Live Meeting.

PROFESSIONAL EXPERIENCE 

Confidential, Morristown, NJ 2/2011 – Present
Infrastructure Specialist (AIX/UNIX)

Long-term remote contract assignment working for main location Tempe, Arizona at a client site in New Castle, DE supporting 100+ Power7 750 AIX servers Data Center East (DCE) location. My project assignment and role are resourced to assist in the design of the production, disaster recovery and related environments to provide P-series with LPAR and VIO design and implementation in a SAP production environment. Provide design, planning, and technical support and administration services for the AIX system platform, including software, hardware, and firmware. Performed numerous OS clone builds/migrations via NIM. Perform OS upgrades. Virtually worked hands on EMC Storage using powerpath for storage management moving to Hitachi using HDLM (Hitachi Dynamic Link Manager) with the main emphasis to virtualizing LPARS. Supporting the Storage Team with HBA connections of fiber cables and verifying connections from AIX server to the SAN switch. Worked with and supporting HACMP servers. Monitoring, identifying, and resolving hardware and software system issues, AIX performance analysis and recommending solutions, AIX maintenance – TLs and SPs.

Confidential, West Chicago, IL 9/2010 – 10/2010 
IT Consultant – AIX systems administrator

Acting as an AIX consultant at Confidential in North Wales, PA providing AIX administration support and resolving troubleshooting issues for Veritas 5.1 RP1 Project.

Confidential, Plymouth Meeting, PA 5/2009 – 5/2010
IT Consultant – AIX systems administrator

Federal Government assignment contracted at USDA Forest Services – U.S. Department of Agriculture in Newtown Square, PA as an AIX systems administrator to provide backfill and additional resources needed to manage existing AIX systems in support of the Data Center Migration Program (DCMP). My responsibility with the DCMP is tasked with moving the agency IT services from an aging AIX distribute architecture to central data center architecture.

Key Achievements:

• Monitoring, preventative maintenance, OS and application patching, and managing systems and working with customers in a virtual environment.
• Problem determination.
• Architecture and design of a proper build, release, and revision environment.
• Hardware installation, maintenance, and upgrading.
• Prepare and present informal, verbal presentations of project status, plans, and problem areas when requested by the Supervisor.
• Utilize RightNow utility which is an Incident processing system used to provide end users server support.
• Create user accounts and resolve Incident tickets.
• Skilled and demonstrated ability to communicate effectively, both verbally and in writing.

Confidential, Wayne, PA 10/2006 – 12/2008
AIX Systems Administrator

Primarily responsible for assisting 60+ servers in the management, administration, and maintenance of the production systems environment. Other responsibilities include, but are not limited to, train AIX personnel and provide document procedures to team of systems engineering professional, assisting in the installation and configuration of hardware, operating systems, and providing support to the production data center. Participate in the capacity planning process across the environment; troubleshoot performance management issues related to the OS. Work with other IS department, both internal and external (the Netherlands/Amsterdam; and Canada offices) to IS infrastructure, on developing the overall hardware architecture for the enterprise. Interact with database administrators integrate OS and DB for application delivery. Develop and maintain operational documentation and specifications on system builds and standard operating procedures. Configure and install hardware, operating system and third-party software.

Key Achievements:

• Experience with installation, configuration, upgrade, support, testing and administration of IBM pSeries and Power4/Power5/Power6 servers on various levels of AIX operating system utilizing environment.
• Experience in TSM backup and restoration.
• Performed AIX 5.3 / 6.1 installation using NIM server.
• Upgrade of AIX TL and SP to latest level using NFS mount and NIM and verification of SP levels.
• Upgrade of managed machine and device’s firmware/microcode and tested its functionality.
• Supporting and managing IBM pSeries servers (P4/P5/P6) using HMC versions 4, 5 & 6.
• OS migration from/to numerous AIX levels.
• Creating and configuring standard LPAR assigned physical I/O.
• Developed and documented root cause problems and resolutions.
• Coordinating with application, DBA, and testing teams to schedule AIX maintenance on QA/DEV.
• Participated in change control meetings to present AIX production change.
• Performed offsite disaster recovery exercise for server environments.
• Provide 24*7 rotation production support and performed changes during tech window.
• Performed administrative tasks such as system startup/shutdown, backup strategy, and documentation.
• Planned and performed memory upgrade of p550Q series server for global e-Commerce solution. Also, coordinated IBM installation, and configuration resources.
• Build a new NIM master server from scratch and allocated resources used to deploy our partitions on p595 and p561 hardware.
• Successfully completed numerous WebSphere base product installation and configurations which is used by our Middleware and Vertex users as their application server that runs their applications.
• Installed and configured WebSM on sys admin systems to launch HMC. Also, provided detailed training, and created WebSM documentation for Global offices.
• Recreate numerous filesystems to fix inode issues.
• Completed numerous TSM regular and backupset restorations requested by DBAs.
• Completed an Incident Report for a production server which crashed on two occasions due to bad hardware. The incident impacted Oracle databases and Genie-Based Document Generation Production (FI, Materials Handling and Construction Materials Handling) were down. Subsequent Crashes thereafter were followed by new hardware replacements by the IBM CE successfully.
• The server was fully functional and user community were advised and back in business.
• Extensively worked on troubleshooting LVM and system management.
• Handled training sessions for newcomers.
• Quick Learner, Able to grasp and master new concepts easily.

Confidential, LLC, Norristown, PA 9/1998 – 10/2006
AIX/Linux Systems Administrator

Worked for a regional transmission organization which played a vital role in the U.S. electric power system. Primarily responsible for assisting in the management, administration, and maintenance of the production, development, and test systems environment for over 300+ servers.

Key Achievements:

• Supported mid range infrastructure specifically IBM AIX environment running on RISC/6000 and pSeries.
• Experienced in SAP testing in AIX environment.
• Provided 24*7 on call supports for division and SAP/HACMP/DB for QA and Production in HA and non HA environment.
• Maintained availability, increased capacity & performance of production machines by upgrading their hardware & firmware.
• Worked in a fast-paced 24/7 production/testing environment comprising HACMP functionality on IBM servers.
• Involved in setting up Test, Staging, QA, and Production builds.
• Performed numerous migration of AIX to versions 5.3 from lower versions of AIX to current level and completed performance testing.
• Install and upgrade numerous levels of AIX 5x systems via different install/upgrade methods.
• Configured and troubleshoot LVM and network related problems in AIX.
• TCP/IP configuration like assigning IP addresses, configuring network interfaces, hostnames, etc.
• Applied software maintenance, program fixes, and keeping the system software releases up to date.
• Instrumental in deploying deliverable of servers for customers and needed for numerous projects.
• Accomplished our Computer Room Standards to separate DEV/TST servers from production.
• Assigned as Lead to separate DEV/TST servers from production to new DEV/TST server room.
• Responsible for completing all coordination, planning, scheduling e-mail notifications, and submitting Change Management requests with all departments involved. Met goal and completed relocation of all AIX/Linux DEV/TST servers in a timely manner to ensure project delivery dates were met.
• Responsible to complete AIX maintenance level and firmware upgrades to all AIX production, staging, development, and test servers. Recognized efforts ensured a 99.99% reliability of the database clusters.
• Successfully analyzed and resolved numerous performance issues on AIX servers. Worked along with IBM hardware/support engineers to assist in analyzing/diagnosing server problems based on snap and trace reports. Documented all issues in PowerDOCS and Incident Reports.
• Successfully configured a HACMP “custom” resource group cluster to completion on a test server.
• Utilized Remedy used to update AIX/Linux/EMS server information. Remedy is a tracking tool used to document hardware/software information for all servers at PJM.
• Handled training sessions for newcomers.

EDUCATION 

Graduated – Associate of Applied Science (A.A.S) Business

Graduated – UNIX, C, C++ Certification Program