Peter Thelen
AeroLeads people directory · profile

Peter Thelen Email & Phone Number

Computer Programmer Analyst Professional
Location: Libertyville, Illinois, United States 13 work roles 1 school
LinkedIn matched
✓ Verified Jun 2026 3 data sources Profile completeness 86%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Computer Programmer Analyst Professional
Location
Libertyville, Illinois, United States

Who is Peter Thelen? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Peter Thelen is listed as Computer Programmer Analyst Professional based in Libertyville, Illinois, United States. AeroLeads shows a matched LinkedIn profile for Peter Thelen.

Peter Thelen previously worked as Contract Programmer at Indak Manufacturing Corp. and Computer Programmer Analyst at 4 Consultants Inc.. Peter Thelen holds Bachelor Of Science, Computer Science from Depaul University.

Profile bio

About Peter Thelen

My career has extensive experience as a programmer and analyst in a mainframe environment.

Listed skills include Endeavor, Microsoft Sql Server, Mvs, Mvs/Jcl, and 14 others.

13 roles · 38 years

Peter Thelen work experience

A career timeline built from the work history available for this profile.

Contract Programmer

Indak Manufacturing Corp.

Northbrook, IL

Part of a team responsible for Maintenance and support of existing Inventory control, Shipping, Order Management, Sales, EDI, and Payroll systems for Indak. These systems were written in Wang Cobol ported from the original Wang systems to networked microcomputers. The work consisted of 75 to 80 percent updates and enhancements of the existing programs and.

Aug 2014 - Aug 2016

Computer Programmer Analyst

4 Consultants Inc.

Richardson, TX

  • Projects Include:
  • Exelon Responsible for coding, testing, and documentation of client custom code additions to the Indus Passport package, Accounts Receivable on-line panels. This project included upgrades to the Accounts Receivable.
Dec 2013 - Jan 2014

Computer Programmer Analyst

Nch Marketing

Deerfield, IL

Began supporting batch and on-line applications for both the Retailer and Manufacturer systems; responsibilities includedmodifying and testing existing batch Cobol and CICS programs and converting existing Easytrieve Plus programs to Cobol.Transferred to the development group to assist in the implementation of the Store Level Processing project which.

Aug 2005 - Jul 2013

Independent Consultant

Chicago, IL

Responsible for coding, testing, and documentation of client custom code additions to the Indus Passport package during the upgrade from version 8 to version 10 of the software. This project included upgrades to the interfaces between Passport and Exelon’s EDI applications as well as various other application interfaces. Participated in the updating and.

2004 - 2005 ~1 yr

Independent Consultant

Kraft Foods Group

Northbrook, IL

Responsible for supporting the Nabisco MRP (Manufacturing Requirements Planning) system solving user problems ranging from the setup of new manufacturing Plants to inaccurate inventory updates and user security issues. I have developed procedures to be followed in the future for new plant activation and removal of discrepant receipts, which caused.

Mar 2003 - Feb 2004

Independent Consultant

Board Of Trade Clearing Corporation

Chicago, IL

Completed an enhancement to the Open Interest Application for BOTCC, which included changes to both ADS/O dialogs and COBOL II programs and completed documentation of the Open Interest system and workflow using Visio. Participated in a major conversion of the Clearing Corporation’s existing clearing systems, both batch and online, to allow another clearing.

2001 - 2002 ~1 yr

Independent Consultant

Chicago Mercantile Exchange

Chicago, IL

Completed programming for the regulatory reporting associated with Chicago Mercantile Exchange’s Globex II electronic trading system using Easytrieve Plus and Cobol II. Converted the Reportable Positions reporting system from IDMS to DB2, while eliminating obsolete reports and incorporating Y2K conversions in both batch and online (CICS) environments. The.

Sep 1999 - Mar 2001

Independent Consultant

Des Plaines, IL

Senior programmer analyst on a database conversion from IDMS to DB2 in an MVS environment. This large-scale project converted the company’s order entry and inventory management systems to DB2 database architecture. Developed several new CICS and COBOL II programs to access the new database structure using Xpediter and Spufi for debugging purposes. All.

Mar 1998 - Aug 1999

Independent Consultant

Genisys Consulting, Inc

Alington Heights, IL

Assisted with the design and development of a system, using Microsoft Access 7.0, to automate the test creation and scoring for new hire candidates.Environment: VB6, Access VBA, Windows NT 4.0, Windows 9x

Dec 1997 - Feb 1998

Independent Consultant

Northbrook, IL

Developed and tested a complex COBOL program that merged weekly and monthly cardholder information for trend analysis. The program created variable length output records based on dynamically allocated tables in each input record. Working with minimal direction, completed the program specifications, coded and tested the program. When implemented, the.

Sep 1997 - Nov 1997

Independent Consultant

Vernon Hills, IL

Analyzed and organized a large and complex Loans Reporting System coded in Easytrieve Plus. Responsible for determining which reports needed to run in regular production and the proper sequence and schedule to create the reports. Standardized the reporting hierarchy for a variety of branch management reports allowing the firm to produce reports that were.

Sep 1996 - Aug 1997

Independent Consultant

Futures Industry

Chicago, IL

Participated in a joint project between the Chicago Board of Trade and the Chicago Mercantile Exchange. Specific responsibilities include coding, testing, and implementing a variety of complex online programs that were written in COBOL, using CICS and IDMS. Provided technical assistance to correct problems with the configuration of the system’s CICS.

Feb 1996 - Aug 1996

Progammer/Analyst

Lincolnshire, IL

Supported the development of the firm’s Item Database System, developed to integrate the firm’s packaged manufacturing, distribution and order processing systems. Responsibilities included designing and developing a series of online data entry and system maintenance CICS transactions as well as daily remote operations for a Unix based warehouse management.

1988 - 1996 ~8 yrs
1 education record

Peter Thelen education

FAQ

Frequently asked questions about Peter Thelen

Quick answers generated from the profile data available on this page.

What is Peter Thelen's role at their current company?

Peter Thelen is listed as Computer Programmer Analyst Professional.

Where is Peter Thelen based?

Peter Thelen is based in Libertyville, Illinois, United States.

What companies has Peter Thelen worked for?

Peter Thelen has worked for Indak Manufacturing Corp., 4 Consultants Inc., Nch Marketing, Exelon, and Kraft Foods Group.

How can I contact Peter Thelen?

You can use AeroLeads to view verified contact signals for Peter Thelen, including work email, phone, and LinkedIn data when available.

What schools did Peter Thelen attend?

Peter Thelen holds Bachelor Of Science, Computer Science from Depaul University.

What skills is Peter Thelen known for?

Peter Thelen is listed with skills including Endeavor, Microsoft Sql Server, Mvs, Mvs/Jcl, Microfocus Cobol, Db2, Cobol, and Idms.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Peter Thelen you were looking for.

View similar profiles