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Senior QA Testing and Mainframe Security Expert

Location:
Mississauga, ON, Canada
Posted:
January 08, 2026

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Resume:

Summary

Information Security and programming Expert with the extensive development experience (HLAssembler, C/C++, COBOL, PL/1 and many others) on IBM Mainframe platform, including (but not limited to) CICS, IMS, DB2

In-depth knowledge of IBM Mainframe (XA/ESA/390 and zOS) platforms development and security solutions. Maintenance and QA/Testing (Xpediter, IPCS and dump analysis, VM guest testbed, 2-stages Endevor, ACF2 and RACF, PGCRYPT and 4758/PCxCC/ICSF chip). Extensive experience on code adoption (390 -> zOS; 32 bits to 64 architecture)

Proven success in identifying potential areas of risk and implementing preventative measures to assets loss. BCPlanning (DR) while in compliance with SDLC/STLC, Agile/Scrum methodologies/policies/practices. Excellent problem determination and resolution skills.

Continuous analytical field research to make sure that the best technical knowledge is deployed to protect organization's businesses and assets.

Key Domains and Technical Knowledge

Domains : IBM Mainframe, PC Intel, UNIX, Cryptography

Technical :

oMainframe platform: MVS/XA/ESA/390/zOS; VM Guest and USS; MQ Series, JCL, JES3, TSO/ISPF/PDF, IMS, CICS, IDCAM, FileAid, IPCS, Endevor, Xpediter, Spufi; VSAM, HLASM, PL/1. REXX, CLIST, C/C++, COBOL, SQL, Java (under USS), UI to DB2, Exposure to Omegamon, ZEKE and CA7/CA11.

oPersonal Computers: OS/2 (ver 3 and 4), Windows XP/7/8/8.1/10; Linux (RHEL, CentOS and Ubuntu) MS Office 2007-2019 + Visio + MS Project, Lotus Notes 4.51 - 53; C/C++, Cobol VS; WinRunner, SQA Suite.

oCryptography and Security hardware/software – multiple platforms: RACF, ACF2, ICSF/PCxCC, TKE, IBM 4753, IBM 4758, HSMs; PCF, PGP, Entrust and other PKIs.

Academic Qualification

•Information Systems/Network Engineer (CompTIA A+, Network+) CDI College, Toronto

•PhD in Computer Science Kiev State University, Kiev, Ukraine

Defeated work Theses: “Finite Automates over direct product of free semi-groups”

•MS in Applied Mathematic Kiev State University, Kiev, Ukraine

•Bachelor in Computers and Electronic Devices Kiev Technical College of Radio and Electronics.

Certifications / Professional Awards:

•PM Lead Quality 2025, Infosys

•Mainframe Modernization 2025, Infosys

•SCRUM Master 2025, Infosys

•Global Agile certified 2021, Infosys

•Dell/BRT/FLS Certified PC Service Engineer (Desktops) 2013

•Lenovo Certified Field Service Engineer (Desktops and Laptops) 2013

Foreign Languages known:

Ukrainian, Russian, Polish, German

Total Work Experience:

Infosys Ltd. Quality Engineering Lead-US (Mainframe - HLASM,Cobol/CICS/DB2) 2019 -- 2025

Freelancer: variety of contracts (Linux/Win7/Win8/8.1/10) 2012 – 2018

DBNC Network Security Support 2011 – 2012

IMB+ Sr Network Security Specialist 2011 - 2012

KRC Software (Kiev, Ukraine) SNA Network administration/RACF Security consultant 2010

Intours Inc Security consultant 2007 -- 2009

Bank of Montreal 2005 – 2006

The Royal Bank of Canada 1995 – 2005

Projects

Project Title: Merlin Teller/National Teller L3 support and retirement

Client: One of the leading Banks in USA

Duration: From December, 2020 to September 2025

Description: MT application is a crucial for the Bank’s day-to-day banking until retired

Project Title: DFW

Client: One of the leading Investment companies in USA

Duration: From Sepember, 2019 to November 2020

Description: DFW project was to develop and maintain processes on the quality of quarterly investments portfolios

Project Title: Operation system/Application Migration and maintenance

Client: Multiple companies in Canada

Duration: From Sepember, 2012 to November 2018

Description: WinXP to Win7 to Win8/8.1 to Win 10 migration

AD, firewalls, penetration controls and perimeter hardening, antivirus protection tools, security policies (Server 2003 & Server 2008R2, exposure to Windows 2012 and 2016)

Information Security incidents investigation as required (part of CSIRT)

System, services installation, administration, troubleshoot and support. Process documentation, including diagrams as required

Project Title: Network Security and maintenance

Client: DBNC in Canada

Duration: From Sepember, 2011 to November 2012

Description:

Managed a project (Team Lead for group of three) of an office WiFi distributed secure network for BYOD project (CEntOS & LDAP based): business case, project planning, test planning. Pen tests and perimeter hardening.

Performed the tasks of installing, diagnosing and repairing computers/network components

Configured firewalls, penetration controls, antivirus protection tools and group policies (WinServer 2003), procedures. System (Windows Server 2003, 2008, in WinXP/Win7 environment) enterprise-wide support maintenance and client support

Provided system, service, and process documentation, including diagrams as required

Installed, administered, supported, tuned, and troubleshoot systems, networks and backup environments

Project Title: SNA Network administration/RACF Security consultant

Client: KRC, Kiev, Ukraine

Duration: From Jan, 2010 to March 2010

Description: ACF2 to RACF conversion

Personal Information

•Gender : M

•Marital Status : Married

•Visa Details ( If any) : TN1

Vladimir Frolov – Quality Engineering Lead

Contact No : 469-***-**** Address : 1257 Lakeshore Rd East, apt 408, Mississauga ON L5E 1G3

email (preferred): ****.******@****.**

City: Plano

State: TX

Zip code: 75024

Country: USA

Email id : Role Designation and Job Level :



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