Software Quality Assurance & Mainframe Tester
Resume:
Carlos Mendoses Davis
Lusby, MD
*******@*****.***
Education:
Degree
(AA/AS, BA/BS, MA/MS/MBA, PhD, JD)
Area of Study
School/College/University
Location
Was the degree awarded? (Yes/No)
OPTIONAL: Date (MM/YY)
Diploma
Mainframe Operations
Computer Learning Center
Springfield, VA
YES
1992
Diploma
General Studies
Crossland High School
Temple Hills, MD
YES
1991
Employment History:
PERATON SYSTEMS, Washington DC (Remote) May 2022 – Sept 2025
[Department Of Treasury]
Software Quality Assurance Engineer and Mainframe Tester
Planning, preparing and executing the final integration test, a critical part of the IRS’s preparation for each filing season.
The IBM Masterfile processing includes Service Center Inputs Processing Automation System (SCIPAS), followed by Individual Mater file (IMF), Business Masterfile (BMF), Modernized ITPE, EPMF and TRDB.
Provided support to data processing using IRS Core Record Layouts (CRL) and QSAM/VSAM data formats.
Proficient in using Control-M scheduling tool on daily basis to process IRS daily and weekly schedule using production data in FIT environment.
Analize, maintain, and enhance, assemble and execute IBM Z/os assembly language programs by extracting business rules and supporting code conversion to contemporary platforms.
Using CA Endeavor SCM tool used on daily basis update the process/cycles based on the code movement between environments.
Using NDM and FTP is continuous process for both input and output files between Unisys and IBM systems.
Constant contact with storage and systems personnel for any assistance related to storage of test files and to resolve any issues raised during the GMF and Service center file processing.
Proficient in using JCL, Procedures, Control cards, AEV’s and IBM tools like IEBZENAR, IEBCOPY, Sort utilities.
Proficient in using Control-M for workload automation and execution of applications. Also used to define and schedule jobs like tasks or processes to run at predefined time and conditions.
Acquired working knowledge of Technologies such as: IBM Z/os, Unisys mainframe, COBOL, CICS, VSAM, Assembler, DB2, JCL, Control-M, Endevor, ServiceNow.
Aries Systems International, Inc., Reston, VA
July 2006 – May 2022
Mainframe Production Control Analyst
Monitor and schedule batch processing for Marine Core and Navy contract.
Monitor, track and submit job schedules for daily run stream through the Control-M scheduling package.
Review daily production schedules to ensure compliance with automated parameters.
Modify, implement, and monitor the production of automated batch cycles that initiate record and track call-up orders for enlisted, reserve and officer personnel, payroll, manpower deployment and other multifaceted actions in support of U.S. Naval personnel and operations worldwide.
Ensure requests for special or unexpected jobs are included in daily processing.
Collaborate with programming staff to provide technical support for job scheduling issues.
Process temporary and permanent modifications to the job control language (JCL) and scheduling libraries.
Bituminous Insurance, Rock Island, IL
Sept 2005 – June 2006
QA program tester/IT Operations Coordinator
Multi-tasked old and new ways of QA testing OS/VS1 and MVS JCL frontline restart and recovery of failed systems programming.
Responsible for conducting nightly TSO Batch processing and system back-ups, for coordinating the efforts of system operators and applications programmers, and for QA testing on several Citrix platforms.
TEK Systems, Champaign, IL
June 2004 – August 2005
Production Control/Production Schedule
Responsible for scheduling, configuring and maintaining Unix based IOA/ Enterprise Control Architecture.
Processed mobile billing information on a large Unix OS/VS1 and MVS system.
Conducted restart and recovery processes for failed systems programming and was responsible for carrying out extensive problem solving and troubleshooting to control upgraded system information loss.
Aries Systems International, Inc., Reston, VA
April 1997 – June 2004
Production Control/Production Control Supervisor
Commanded a team in charge of design and implementation of new systems and protocol for Mainframe System Architecture.
Used progressive analytical troubleshooting methods and implemented them into a daily stream in a pre-existing data structure.
Performed effective and timely turnovers of nightly processing to appropriate personnel.
Monitor and schedule batch processing for Marine Core and Navy contract.
Acted as a liaison between off-site system programmers, computer operators, and Help-Desk personnel.
Responsible for processing classified information on a large OS/VS1 and MVS system.
Prince Georges Hospital, Cheverly, MD
Sept 1994 – March 1997
Mainframe Data Center/Production Control
Member of a team of industry professionals who oversaw a large CICS/ESA, SMS integrated system with MS, RCO, CERNER, and Open Link components.
Responsible for accurately maintaining substantial amounts of medical data and filing systems.
Organized the efforts of all IT personnel, system users, and associated customers.
Maintained mainframe program protocol using MVS/JCL troubleshooting techniques.
Summary:
Sound knowledge of and extensive practical work experience with mainframe operating systems. Experience with IBM utilities, Communication/Teleprocessing Software, Production Control Software, and ROSCOE RPF.
Possess a thorough knowledge of BMC Software’s CONTROL-M and CONTROL-R.
Expert knowledge of all phases of the Software Development Life Cycle to include requirements gathering, analysis, development of specifications, generating of code, unit, system, regression and parallel testing, implementation, documentation and training.
Experience with DOS to OS/MVS operating system (JCL) conversion; and mainframe legacy system to client-server conversion (using UNIX and Sybase).
Currently hold an active Secret Security Clearance.
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