John Tellefson
Owner at Ascot Computing Services Pty Ltd | Melbourne, Victoria, Australia
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Owner at Ascot Computing Services Pty Ltd in December 1997 to Present
I.T. Consultant at Ascot Computing Services Pty Ltd in December 1997 to Present
Test Analyst at Department of State Growth (Tas) in October 2024 to Present
Senior Test Analyst at Linfox in January 2024 to May 2024
Testing Consultant at SEEK in May 2022 to April 2023
Senior Test Analyst at John Holland in August 2021 to May 2022
Testing Consultant at RMIT University in November 2019 to July 2021
Senior Technical Business Analyst at National Australia Bank in October 2017 to November 2019
Environment Co-Ordinator at Australian Taxation Office in April 2017 to August 2017
Quality Assurance Analyst at ANZ in January 2016 to March 2017
Senior Test Analyst at NAB in September 2010 to January 2016
Environment Co-ordinator at Telstra in August 2007 to May 2010
Test Analyst at National Australia Bank in October 2006 to August 2007
Senior Test Analyst at Computershare in September 2005 to September 2006
Test Analyst at Telstra in February 2004 to September 2005
Test Analyst at Teradata in December 2001 to October 2003
Mainframe Sysop at Qantas in May 1989 to October 1997
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St Kevins College, July 1977 to July 1983
Victoria University, July 1988 to July 1989
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System Testing
Testing
Integration
Data Warehousing
Unix
SDLC
Mainframe
Test Strategy
Quality Center
DB2
Test Planning
Business Requirements
System Integration Testing
Microsoft SQL Server
Teradata
Test Cases
Integration Testing
Data Migration
Waterfall
Regression Testing
SQL
Banking
Telecommunications
ETL
Defect Tracking
SQL Server
Manual Testing
JCL
Test Analysis
Status Reporting
End-to-end Testing
Requirements Traceability
Billing Systems
Test Design
Test Environments
Test Environment Setup
Foreign Exchange
FX Testing
Web Testing
Data Quality
Functional Testing
XML
Databases
Business Intelligence
Data Modeling
FX Trading Systems
ALM
JIRA
Confluence
Risk Management Systems
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What is John Tellefson email address?
Email John Tellefson at [email protected], [email protected] and [email protected]. This email is the most updated John Tellefson's email found in 2026.
What is John Tellefson phone number?
John Tellefson phone number is +6199456456.
How to contact John Tellefson?
To contact John Tellefson send an email to [email protected], [email protected] or [email protected]. If you want to call John Tellefson try calling on +6199456456. (updated on July 19, 2025)
What company does John Tellefson work for?
John Tellefson works for Ascot Computing Services Pty Ltd
What is John Tellefson's role at Ascot Computing Services Pty Ltd?
John Tellefson is Owner
What industry does John Tellefson work in?
John Tellefson works in the Information Technology & Services industry.
John Tellefson Email Addresses
John Tellefson Phone Numbers
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