Mainframe Developer / QA Analyst

JORGE GUEDEZ ********@*****.***

INFORMATION TECHNOLOGY SPECIALIST

IT professional with over 30 years of experience in systems development and software testing, specializing in the IBM Mainframe platform. Proven expertise in the entire Software Development Life Cycle (SDLC), coupled with in-depth knowledge of QA practices and procedures. Adept at listening to and understanding customer needs, with a strong analytical orientation for effective problem- solving. Proficient in developing applications for IBM Mainframe, and experienced in testing a diverse range of systems, including Web Applications, Web Services, Mainframe, AS400, and POS Systems. Holds ITIL Foundation and ISTQB Foundation Level certifications, reflecting a commitment to industry best practices. AREAS OF EXPERTISE:

Requirements Analysis and Systems Design QA / Testing

Team and Project Leadership Planning Systems Development

IBM Mainframe Development Anti-Fraud Systems in Banking Domain

Legacy Systems Microsoft Office

PROFESSIONAL EXPERIENCE

WIPRO Limited, Moncton, NB – Canada May 2021 – June 2024 POS Tester at the ExxonMobil NA Retail Lab

In the role of Point of Sale Tester at ExxonMobil NA Retail Lab, he played a pivotal role in ensuring the seamless functionality and reliability of Point of Sale (POS) systems.

• Test Case Development and Execution:

Innovatively crafted and executed comprehensive test cases tailored to meet unique needs and requirements, ensuring the robustness of the POS systems.

• POS and Site Configuration:

Demonstrated proficiency in configuring POS terminals and sites based on specific test cases, demonstrating adaptability to diverse testing scenarios.

• Leadership in Testing Execution:

Assumed a leadership role in orchestrating all activities related to testing execution. This involved coordinating efforts to ensure the flawless implementation of testing procedures.

• Stakeholder Engagement:

Actively participated in daily meetings with product owners and stakeholders, contributing valuable insights and updates on testing progress, aligning activities with project objectives.

• Issue Troubleshooting and Resolution:

Exhibited an initiative-taking approach in identifying and troubleshooting issues, leveraging analytical skills to participate in defect root cause analysis sessions. Played a vital role in resolving issues promptly and efficiently.

• Collaboration in Diverse Teams:

Successfully collaborated with large, geographically diverse teams, fostering a cohesive and collaborative working environment. This involved effective communication and coordination to achieve testing milestones. This experience not only honed his technical skills in testing and configuration but also enhanced his ability to lead and collaborate effectively within dynamic and multifaceted project environments. JA Systems and Designs, Toronto – Canada November 2016 – May 2021 Consultant

Engaged directly with individual clients to deliver personalized technology solutions:

• Offered tailored advice and support to enhance clients’ technological experiences.

• Identified opportunities for improvement and provided customized solutions to address specific needs.

• Applied expertise in setting up and implementing new IT systems and applications for individual users.

• Delivered personalized training sessions to end users, ensuring effective utilization of technology.

• Proactively troubleshooted and resolved technical issues, ensuring a seamless experience for personal clients. Software BSV (Banking), Caracas – Venezuela March 2015 – May 2015 Systems Analyst at BBVA Bank, tasked with analyzing business requirements and converting Trust Funds systems modules from Natural/Adabas to Cobol/CICS/DB2, using Micro Focus Cobol - Mainframe Express for the conversion.

• Analyzed Business Requirements and reviewed Natural programs to complement gathered information.

• Identified and extracted Business Rules, incorporating them into Cobol programs.

• Adapted converted programs according to Business Requirements.

• Coordinated unit and integration testing for each module. Key Achievements:

o Significantly contributed to reducing conversion time by identifying and addressing crucial bugs and defects. Demonstrated expertise in Mainframe Platform technologies, including Cobol, CICS, DB2, SQL, Natural/Adabas, Syncsort, JCL, Micro Focus Cobol, and Easytrieve, highlighting a comprehensive skill set as a Mainframe Developer. Consorcio Credicard (Banking), Caracas – Venezuela August 2009 - February 2015 As the QA Leader at Consorcio Credicard, the forefront company in credit/debit card transactions in Venezuela, he played a key role in developing and implementing a robust test methodology for the Quality Assurance Department. Key responsibilities and achievements include:

• Strategic Test Coordination:

JORGE GUEDEZ ********@*****.***

o Orchestrated test strategies and planning in collaboration with project managers and stakeholders. o Developed and reviewed comprehensive test strategies, policies, and documentation, ensuring alignment with project goals.

• Holistic Testing Management:

o Coordinated various testing phases, including Functional, User Acceptance, Regression, Black Box, and Performance tests.

o Crafted detailed test plans, defined test levels, and cycles, and efficiently managed defect lifecycles.

• Leadership and Mentorship:

o Led a dynamic team of testers, providing guidance, mentorship, and ensuring optimal coordination of activities. o Monitored test results, enforced exit criteria, and adapted planning based on test outcomes and project progress.

• Technological Proficiency:

o Designed and executed test cases using innovative tools like HP Quality Center, Quick Test Professional, and Rational ClearQuest.

• Key Achievements:

o Pioneered the implementation of a comprehensive test methodology, enhancing the Quality Assurance Department's efficiency.

o Effectively communicated the advantages and significance of the Quality Assurance Methodology to the broader organization.

o Facilitated collaboration between development and QA teams, fostering a mutual understanding of their interconnected roles.

o Actively participated in certification tests, playing a vital role in migrating magnetic stripe cards to EMV chip technology.

o Contributed significantly to Payment Card Industry (PCI) certification activities. His leadership extended to the development of innovative solutions, such as an Excel-VBScript Macro, streamlining test case creation and loading processes. This solution, synchronized seamlessly with HP Quality Center and Rational ClearQuest, exemplifies his commitment to optimizing testing practices in dynamic and challenging environments. Software BSV, Caracas – Venezuela March 2009 – August 2009 As a Software Developer at BBVA Bank, he addressed a security issue in ATM transactions by re-sequencing dialogues within the security tunnel post key exchange. Notably:

• Developed and tested solutions, enhancing the ATM authorizer module’s speed, efficiency, and security.

• Adapted interfaces with Monitor Plus for fraud prevention.

• Optimized processes to improve overall performance and reduce processing times.

• Proficient in mainframe technologies: Cobol, DB2, SQL, Easytrieve, JCL, CICS, Syncsort, VSAM, Icetool. SW Development (Banking), Caracas – Venezuela October 2004 – February 2009 Systems Analyst (Development Coordinator)

As a Development Coordinator and Software Developer, he orchestrated successful anti-fraud system implementations and collaborated with clients to:

• Devised strategies for adapting and installing anti-fraud systems.

• Customized systems based on client requirements, ensuring seamless integration.

• Analyzed transactional data, generating statistics and graphs to enhance anti-fraud rules.

• Led development teams in creating systems that effectively reduced fraud in various transactional channels.

• Coordinated all SDLC phases for new releases and products, overseeing functional and performance testing.

• Developed under mainframe (Cobol, DB2, CICS, JCL, Control/M) and Unix/Solaris (Micro Focus Cobol, Oracle, SQL, MTP, MBM, JCL, SQL), adhering to ISO 8583 messaging standards.

• Key Achievements:

o Established new anti-fraud rules, significantly reducing fraud, saving costs, and enhancing clients’ reputation. o Provided vital support to clients in identifying key rules based on cardholders’ behavior and fraud patterns. o Received client appreciation for the high efficiency of the anti-fraud system in detecting fraudulent activities. Aprycot Consultores (Banking), Caracas – Venezuela April 2004 – October 2004 As a Systems Analyst at BBVA Bank he successfully:

• Crafted the technical design for the online query of foreign currency business operations.

• Upgraded processes to enhance processing efficiency and response times.

• Executed the programming phase under the mainframe platform (Natural, Easytrieve, DB2, CICS, JCL, Cobol, Syncsort, Control/M, Changeman).

• Key Achievements:

o Received approval for the technical design, paving the way for development. o Achieved a notable reduction in execution times for batch processes. Quartz Consulting (Oil &Gas), Caracas – Venezuela January 1997 – March 2004 Systems Analyst

In this role, he played a pivotal part in enhancing and unifying Payroll Systems within the Petroleum and Oil Industry. His responsibilities spanned the full spectrum of systems analysis, development, and integration across multiple subsidiary companies of PDVSA. Here is a consolidated overview:

• Unified Payroll Systems:

JORGE GUEDEZ ********@*****.***

Collaborated closely with users to gather Business Requirements and identify rules applicable to database fields. Extracted business rules from source systems and meticulously mapped data migration to target systems.

• Systems Conversions:

Engaged in end-to-end systems conversions, transitioning from Natural/DB2 and Cross System Product/DB2 to Cobol/IDMS. Executed successful migrations focusing on minimizing defects and ensuring transparent conversions for complex subsidiary companies.

• Interface Development Leadership:

Demonstrated leadership by spearheading the development of interfaces between SAP/HR and the Payroll System. Led efforts to create a seamless interface, including a specialized component for retired personnel.

• Business Requirements and Rules:

Developed processes and programs for efficient data extraction, transformation, and loading. Collaborated with QA teams to ensure seamless integration and data migration based on established business rules.

• Performance Optimization:

Achieved significant improvements in interface performance, leading to reduced processing times and minimized incidences in the interface between SAP/HR and the Payroll System.

• Technological Proficiency:

Operated within a robust technological environment, including IBM Mainframe (Cobol, ADSO, JCL, Easytrieve), databases

(DB2, Oracle, IDMS, SQL), and scripting (VBScript). These experiences underscore his ability to navigate complex technological landscapes, ensuring successful systems integration, conversions, and performance optimization within the challenging context of the petroleum industry. Following is a summary of the rest of my experience: During the initial phase of his career from February 1988 to December 1996, he held diverse roles as a Systems Analyst, Systems Specialist, Consultant, and Supervisor across various companies. He engaged in extensive customer interactions, conducting in-depth analyses of their needs, and providing valuable insights to enhance software functionality. This involved creating meticulous technical designs and software specifications. His proficiency spans a range of technologies, including Tandem, IBM Mainframe, Cobol, Cobol 85, DB2, Natural/DB2, Syncsort, JCL, CA-Scheduler, Easytrieve, Assembler, Vsam, Endevor, SQL, IDMS, ADSO, TSO, IDEAL, Datacom, Adabas, Oracle, and CICS, showcasing my adaptability across diverse environments and systems. In addition to his analytical roles, he also served as a supervisor, demonstrating leadership in guiding and overseeing teams throughout the software development life cycle.

EDUCATION & CREDENTIALS

Bachelor’s degree in administration - Computer Science Mention, Simon Rodriguez University Caracas, Venezuela

Bachelor’s degree in computer science

Lisandro Alvarado University, Barquisimeto, Venezuela. Professional Certification

ITIL Foundation (Information Technology Infrastructure Library)

ISTQB Foundation Level (International Software Testing Qualifications Board) Languages

Spanish - Native

English - Fluent

TECHNICAL PROFICIENCIES

Platforms Years Languages Years Databases Years QA/Testing Years Tools Years MVS 20 + Cobol/Cobol II 21 SQL 25 + HP Quality Center 10 5 JCL 21 + VM 2

Natural / Natural

Construct

8 + DB2 15 HP QTP 10 1 ISPF 20 +

DOS\VS 4 Cobol 85 2 Oracle 15 Rational Clear Quest 3 VSAM 20 + Guardian

90

2 Easytrieve 15 IDMS 14 HP QC Synchronizer 3 Endevor 8 Windows 20 + ADS 9 Datacom 2 ISTQB 2 Changeman 6

Unix 4 Ideal 2 SQL server 4 Control/M 2

Solaris 4 Cobol/CICS 12 + Dbase 5 CA Scheduler 5

AS/400 4 VB Script 15 + Adabas 2 QMF 10 +

Mainframe

Express

4 Micro Focus Cobol 5 FTP 14 +

TSO 20 + ABAP 1 Syncsort 20 +

CICS 12 + Pascal 5 Icetool 3

Sun MTP 4 RPG II 2 Connect Direct 2

Sun MBM 4 Assembler 1 File-Aid 20

Basic 2 Voice 1

HTML 1

Excel, Word,

Power Point,

Visio, Outlook

20 +

Python 1 SQL Developer 9

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