Mainframe operations

David Mckenna

Flushing, NY, ***** • 516-***-**** •***********@*****.***

Mainframe Computer Operator

Experienced, efficient, IT professional with over 30 years supporting mainframe computer operations.

Capable of operating independently and as a valuable contributor to high functioning teams. Seen as a content expert on all aspects of mainframe computer and data center operations. Timely escalation and resolution of critical or time sensitive incidents. Aware of the big picture and ensure achievement of strategic priorities.

Perform skilled analysis, act independently and pro-actively to resolves issues.

Provide training to console operators and technical analysts.

Create and track issues, provide escalation, and report on same.

Oversee all aspects of mainframe job batching.

Monitor international flow charts

TECHNICAL PROFICIENCIES

Software

IBM MVS z/OS and OS/390, JCL, Jes2, ISPF/SDSF, TSO,CONTROL/M, OPC, CA11, CA1, CA-View, IOF, CICS, VTAM, Sysplex, VSAM, OnDemand, Infopac, Optical Disk Storage, ACF2, File-Aid, $avers, HSM, SAR, RACF, TSS, JEM, and !JCK.

Hardware

IBM Mainframe, ES/9000, 3090, Storagetek 9840 and 9490, IBM VTS - 9741, DASD - EMC DMX III, SUN, and DASD - Hitachi, 34.

Operating Systems

IBM MVS z/OS and OS/390, Windows NT, and XP.

Network Management

Netview, TCP/IP, HTTP, FTP, and NDM (Connect Direct).

PROFESSIONAL EXPERIENCE

Presently working at Uncle Guisseppes

May 2019

SENIOR MVS COMPUTER OPERATOR (2008 – 2019)

PUBLISHERS CLEARING HOUSE, Port Washington, NY

Independently make accurate and timely technical decisions with minimal management intervention and respond appropriately and proactively to incident alerts and failures. Monitor production Parallel Sysplex LPARs and test LPARs and provide tier 1 and tier 2 level support for IMS, DB2, MQ, VTAM and all third party software and mainframe complexes. Serve as content expert and assist team members in performing analysis, required notification requirements, escalation procedures and validate policies are being performed to standards. Create problem log tickets at the appropriate problem ownership and escalation levels, respond to highlighted system messages and independently determine and interpret the severity of escalation. Document incidents in turnover and other required SLA or SLO tracking reports and perform SLA or SLO wellness checkpoints on the status of critical processing events and distribute daily wellness status reports. Monitor mainframe job batch job streams, observing the status of batch job scheduling, batch job exceptions, and associated incident/failure messages and monitor IOC onsite pagers for incident alerts.

Key Achievements:

SENIOR MVS COMPUTER OPERATOR 1997_2008)

MORGAN STANLEY,

New York, NY

Served as lead technician for Mainframe Production Control and Mainframe Operations. Utilized HMC to perform mainframe system MVS z/OS functions such as IPLs, and POR. Monitored critical international flow charts, NDM transmissions, and system resources using Omegamon and Auto Operator. Resolved user’s questions/problems and delivered critical CICS regions to meet customer SLA. Acted as supervisor and provided training of OPC to Console Operators on the Trust system and mainframe training to technical analysts. Ensured batch flows are on time and prompt resolution to JCL abends. Performed file restores using FDR. Cultivated productive relationships by communicating effectively with various levels of technical and application support, verbally and in writing.

Key Achievements:

Orchestrated production batch schedules for 11 mainframe LPARS ensuring the completion of 55,000 to 60,000 batch jobs.

Continuously reviewed long running batch jobs and provided resolutions that significantly reduced batch runtime.

EDUCATION

High school

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