David Lehner-Smith
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David Lehner-Smith Email & Phone Number

Mainframe Programmer with General Dynamics (GDIT)client: United States Post Office at Collabera Inc.
Location: Minneapolis, Minnesota, United States 7 work roles 2 schools
1 work email found @collabera.com 2 phones found area 612 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email d****@collabera.com
Direct phone (612) ***-****
LinkedIn Profile matched
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Current company
Role
Mainframe Programmer with General Dynamics (GDIT)client: United States Post Office
Location
Minneapolis, Minnesota, United States
Company size

Who is David Lehner-Smith? Overview

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Quick answer

David Lehner-Smith is listed as Mainframe Programmer with General Dynamics (GDIT)client: United States Post Office at Collabera Inc., a company with 6142 employees, based in Minneapolis, Minnesota, United States. AeroLeads shows a work email signal at collabera.com, phone signal with area code 612, and a matched LinkedIn profile for David Lehner-Smith.

David Lehner-Smith previously worked as Mainframe Programmer at Collabera Inc. and Senior Engineer at Target. David Lehner-Smith holds Computer Programming Certificate, Computer Programming from Depaul University.

Company email context

Email format at Collabera Inc.

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*@collabera.com
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Profile bio

About David Lehner-Smith

Expert in application development, analysis, quality assurance, and production support with major retail, manufacturing and financial corporations. Well-versed in taking projects through all stages of development, from design to implementation. Excellent organizational and communication skills. Experienced working in Agile / Scrum environment.Hardware Platforms: IBM 4381, 370, 3090, IBM PC, Macintosh, Tandem, Linux, UnixOperating Systems: OS/MVS, OS/2, Microsoft WindowsProgramming Languages: COBOL, CICS, JCL, Easytrieve Plus, Training in: Java, C/C++, PL1, Visual BasicDatabases/File Structures: DB2, SQL, VSAMPC Applications: Microsoft Word, Visio, PowerPoint, Excel, Outlook, OneNote, SharePoint, CSF, Quality Center, PACMAN, Jira/Ninjira, HipChat, GitProductivity Tools: SPUFI, CEMT, File-AID, Panvalet, InterTest, SmartTest, SORT, Librarian, Platinum, Endevor/NED, PowerTerm, CA7, ACREmail: David.Lehnersmith@gmail.com

Listed skills include Testing, Sdlc, Databases, Software Documentation, and 36 others.

Current workplace

David Lehner-Smith's current company

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Collabera Inc.
Collabera Inc.
Mainframe Programmer with General Dynamics (GDIT)client: United States Post Office
Minneapolis, MN, US
Website
Employees
6142
AeroLeads page
7 roles · 33 years

David Lehner-Smith work experience

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

Mainframe Programmer

Basking Ridge, New Jersey, US

Contract Programmer Analyst role - Initial client; Wells Fargo.Designed, coded and tested Cobol and CICS programs, using DB2 and VSAM, to support the successful resolution of development projects for the Disbursements department. Provided both maintenance and new development design and coding. Wrote detailed design and testing documentation. Created all.

Jul 2018 - Jun 2020

Senior Engineer

Minneapolis, MN, US

  • REDcard Issuance
  • Processed, tested and supported Statements and Letters mainframe application, enabling printable files for guest correspondence produced by FIS / CSF document design software.
  • Created detailed Payment Card Industry (PCI) Audit reports and mitigation plans for 2 online applications, guaranteeing corporate compliance with industry security standards.
  • Reorganized and cleaned up file access security for 9 mainframe applications, leading department effort, creating improved access entitlements and documentation for simplified onboarding.
  • Provided production support, on rotating basis, for over 40 mainframe and online applications, successfully mitigating routine and high-severity issues.
  • Managed testing for Windows 7 to Windows 10 migration for 11 online applications, ensuring continued functionality after upgrade.
May 2016 - Dec 2018

Testing Analyst

Minneapolis, MN, US

  • Testing Center of Excellence (TCoE)
  • Participated in adopting and incorporating agile principals and incorporating into testing practices, researching articles and creating TGTWiki and Word reference documents, augmenting transition TCoE to agile/scrum.
  • Led testing for pilot of Next Generation Intranet Pilot (NGI) upgrade to Target’s internal home page portal including initial pilot implementation and version upgrades and enhancements, ensuring smooth transition to.
  • Spearheaded Pharmacy Accurate Inventory (PAI) Program for Finance department as Test Lead, incorporating new inventory procedures into Finance applications.
  • Directed Purchasing Accounting and Construction MANagement (PACMAN) Server Migration project, testing migration of JD Edwards application, used for Non-Retail Purchasing, Accounting and Construction Management, to.
2010 - 2015 ~5 yrs

Software Engineer

Minneapolis, MN, US

  • Corporate Finance
  • Acted as Engineer and Test Lead for light development and all testing for Finance changes in Domestic Transportation Management Program, implementing suite of new processes and systems to support $100B+ growth.
  • Led Sunsetting Documentation for Automated Vendor Income application, inventorying all host and online elements.
  • Created Sunsetting Strategy Document detailing procedural steps in process used as template for many subsequent applications retirement operations.
  • Designed Fixed Assets database and Load processes for Host DB2 tables, enabling housing current and historic reporting data for Fixed Assets system, creating all design documents and leading construction, testing.
  • Delivered design documentation for Import Claims product and extensive application changes for Global Target Organization project, reducing corporate import taxes.
2007 - 2010 ~3 yrs

Technical Analyst

Minneapolis, MN, US

  • Point of Sale (POS)
  • Programmed Line Item Detail (LID) Receipt processing application on mainframe, producing faster, more reliable receipt tracking and purchase returns.
  • Utilized nines’-complement algorithm, designing Check Fraud report for Assets Protection that processed millions of checks, finding sequential MICRs from small geographical area.
  • Designed, coded, tested and implemented changes to Target Red Card Rewards applications on Tandem system, enabling 10% rewards to be issued for Target CheckCard usage.
2002 - 2006 ~4 yrs

Technical Consultant - Analysts International Corporation

Analysts International Corporation

Clients: Target Corporation, Point-of-Sale and Accounts Payable Departments (COBOL, CICS, JCL, VSAM, DB2, EDI); Ameriprise, (COBOL, CICS, JCL, Pacbase, Easytrieve Plus, MIS/OL to CICS conversion)

1993 - 2002 ~9 yrs
Team & coworkers

Colleagues at Collabera Inc.

Other employees you can reach at collabera.com. View company contacts for 6142 employees →

2 education records

David Lehner-Smith education

Computer Programming Certificate, Computer Programming

Depaul University

Bachelor Of Arts (B.A.), Music Education

Concordia College
FAQ

Frequently asked questions about David Lehner-Smith

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

What company does David Lehner-Smith work for?

David Lehner-Smith works for Collabera Inc..

What is David Lehner-Smith's role at Collabera Inc.?

David Lehner-Smith is listed as Mainframe Programmer with General Dynamics (GDIT)client: United States Post Office at Collabera Inc..

What is David Lehner-Smith's email address?

AeroLeads has found 1 work email signal at @collabera.com for David Lehner-Smith at Collabera Inc..

What is David Lehner-Smith's phone number?

AeroLeads has found 2 phone signal(s) with area code 612 for David Lehner-Smith at Collabera Inc..

Where is David Lehner-Smith based?

David Lehner-Smith is based in Minneapolis, Minnesota, United States while working with Collabera Inc..

What companies has David Lehner-Smith worked for?

David Lehner-Smith has worked for Collabera Inc., Target, and Analysts International Corporation.

Who are David Lehner-Smith's colleagues at Collabera Inc.?

David Lehner-Smith's colleagues at Collabera Inc. include Khalia Howard, Amruta Choudhary, Diane Simmons, Rimmy S, and Sudhanshu Shukla.

How can I contact David Lehner-Smith?

You can use AeroLeads to view verified contact signals for David Lehner-Smith at Collabera Inc., including work email, phone, and LinkedIn data when available.

What schools did David Lehner-Smith attend?

David Lehner-Smith holds Computer Programming Certificate, Computer Programming from Depaul University.

What skills is David Lehner-Smith known for?

David Lehner-Smith is listed with skills including Testing, Sdlc, Databases, Software Documentation, Project Management, Java, Sql, and Team Leadership.

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