Lot of experience, but a long time ago

  • Name: John Perko
  • COBOL Experience: (Beginner, Intermediate, Expert): Intermediate
  • Location: (City, State, Country): Fairport Harbor, OH (Cleveland area)
  • Availability: (Part-time, Full-time): Full-time
  • Availability Type: (Volunteer, Available to Hire)
  • Link to LinkedIn profile: www.linkedin.com/in/john-perko-8179471a
    5-6 years COBOL, mostly IBM mainframes, including CICS, though last work was done over 30 years ago at New Hampshire Ball Bearing.

I wrote down my resume as below.
I worked mostly with PL/1, instead of COBOL. I have at least 17 years of experience with Mainframes.

Kind Regards
Erhan Aselcioglu * erasel@comcast.net * 610-205-0050 * Cell:610-505-7075 * 338 Glenn Rose cir, King of Prussia, PA 19406

Erhan Aselcioglu, BSEE



338 Glenn Rose Cir.

King of Prussia, PA 19406


M iddle East Technical University – Ankara, Turkey

Electronics & Telecommunication Engineer

Areas of Study: Telecommunications, Automatic Control, Electronic Circuits, Digital HW & SW Design.

Technical Development Environment:

Alcatel Fixed Telephony Network OS

Ericsson GSM Cellular Network OS

IBM 3090 MVS/XA, IBM 4381 MVS, IBM 4360 VMS

PL/1,CLIST, REXX, Edit Macros Interpreters, JCL, RACF.

Sun UNIX/Solaris

PC Utilities (Microsoft Office, Excel, WinWord, PowerPoint, Windows NT,

MS RAS, Turbo Pascal, MS Exchange Server & Client, Lotus Notes


Fine Wine & Good Spirit, Wayne , PA 2016- Present

Liquor Store Clerk

Subway Downingtown, PA 2005 – 2016

Business Owner, Food Manager

Philly Web, King of Prussia, PA 2002 - 2005

CEO, Business Manager

Managed web design and internet marketing company.

Helped optimize online presence of clients’ businesses.

Internet Marketing, Business Analysis and Product Management.

Alcatel SEL, Stuttgart, Germany 1989 - 1993

Telecom Consultant, SW Design Engineer 2000 – 2002

Analyzed and prepared databases for telephonic exchanges.

Application and data parameter test scenarios & verification for fixed and mobile switching projects.

SW Package integration, test & validation of mobile projects.

Alcatel SESA, Madrid, Spain 1997 – 1998

Telecom Consultant, SW Design Engineer 1993 – 1995

1999 – 2000

  • Developed and implemented data design SW applications for Spain and South American markets.

TELFORT , Amsterdam, Holland 199 8 – 199 9

SMS/VMS Project Mgr in the O&M Center

  • Plan and monitor the quality of service activities & Testing of HW and SW updates due to configuration changes in the network.

  • Assistance in integration testing

  • Advice and execute software and hardware updates and extensions of the systems

  • Support in advanced trouble shooting in the applications

  • Reporting system and application problems and follow up all trouble reports towards the suppliers.

KOCFINANS , Istanbul, Turkey 1996- 1997

System Resources and Network Manager of IS department

  • Network Administrator of Windows NT and SUN Solaris systems.

  • System support for Microsoft Exchange and Lotus Notes Mail systems.

  • Internet, Intranet, Web Page administration.

  • Firewall/System Security administration.

  • LAN/WAN & TCP/IP Network Management, DNS, DHCP.

  • Capacity planning and resource management.