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John Castillo Email & Phone Number

Data Modeler and Engineer at NAB
Location: Fairfield, Victoria, Australia 15 work roles 2 schools
1 work email found @yahoo.co.uk LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
NAB
Role
Data Modeler and Engineer
Location
Fairfield, Victoria, Australia
Company size

Who is John Castillo? Overview

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John Castillo is listed as Data Modeler and Engineer at NAB, a company with 38407 employees, based in Fairfield, Victoria, Australia. AeroLeads shows a work email signal at yahoo.co.uk and a matched LinkedIn profile for John Castillo.

John Castillo previously worked as Marketing Data Analyst at Nab and Data Analyst/Modeler at Nab. John Castillo holds Bachelor Of Science, Computing, Faculty Honors from University Of Melbourne.

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{first_initial}{last}@yahoo.co.uk
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Profile bio

About John Castillo

Uncompromising IT professional with an unrelenting commitment to quality solutions.

Listed skills include Teradata, Etl, Data Warehousing, Mainframe, and 34 others.

Current workplace

John Castillo's current company

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NAB
Nab
Data Modeler and Engineer
Fairfield, VIC, AU
Website
Employees
38407
AeroLeads page
15 roles

John Castillo work experience

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

Data Modeler And Engineer

Nab

Fairfield, VIC, AU

Marketing Data Analyst

Current
Nab

Australia

As part of the Marketing Infrastructure team, conduct analysis, data modelling, migration assessment and SME guidance around NAB's Marketing Data

Oct 2020 - Present

Data Analyst/Modeler

Nab

Melbourne, Victoria, Australia

Working with the Enterprise Data Modelling team - assist with the migration of major source systems from Legacy Teradata platform to On-Cloud big data AWS platform (NDH).- Define the Adobe Campaign sourced raw data vault and corresponding business content zone layer.- Define the Adobe Analytics sourced raw data vault and corresponding business data vault.

Jan 2020 - Sep 2020

Senior Consultant

Melbourne, Australia

Working with NAB's Marketing team to improve interfaces between the campaign tool (Adobe) and Teradata, and to define the data layer in a new cloud based (AWS) instance of Adobe Campaign.- Mentor/train new starters in DM concepts and Adobe Campaign techniques.- Create and maintain Adobe Campaign data schemas.- Assist the Data Architect to analyse existing.

Aug 2017 - Dec 2019

Lead Support Analyst

Ibm

Melbourne, Australia

  • Lead a small tech team providing maintenance and enhancement of an adhoc collection of processes. Processing written by various pockets of the NAB business were bundled and managed by the BMIT team.
  • Teradata database admin (space usage, index redefinition, stats collection, performance tuning)
  • Unix, SAS and Teradata scripting
  • password encryption/SAS connectivity (SAS EG for Teradata, Oracle and server connectivity) and SSH encryption.
  • Process automation, enhancement and documentation.
Oct 2016 - Jul 2017

Teradata Specialist - Nab Customer Analytics

Ibm

Melbourne

  • As a member of the IBM Test Team supporting the upgrade of NAB's Teradata platform and related infrastructure to a Big Data platform (Hadoop):
  • provide SME consultation to the test team around NAB's infrastructure
  • define tests of a more complex nature requiring specialised Teradata knowledge
  • execute tests and capture results
  • assist with TSR documentation
Apr 2016 - Oct 2016

Senior Developer

Melbourne, Australia

  • As a member of an Agile team within the Enterprise Data Warehouse development train:
  • Conduct evolve kick-offs, requirements refinement sessions and User Story definition for various initiatives
  • Conduct build, test and deployments of above initiatives using:o Teradata scripting and Datastageo Control-Mo SQLSAS for BI reportingo GIT for software configurationo CUCUMBER and Jenkins for testingo several.
Jul 2014 - Mar 2016

Senior Analyst Programmer

Nab

Melbourne, Australia

  • NAB’s Customer Analytics suite of applications facilitate CRM and communication management. At the core is the Teradata CM (Communication Manager) tool. Data is extracted from the Data Warehouse and operational.
  • As an SME in several aspects of the Customer Analytics applications, provide consultation to Customer Analytics Business representatives, as well as mentoring of other team members. Also involved in serveral iterations.
  • High Level Design
  • Technical lead of the development phase of several projects.
  • Technical design
  • Develop software using ODI (Oracle ELT tool), Teradata scripts for BTEQ, MLOAD, MACROs, and COBOL/IMS/MQ/Teradata online transactions
Jun 2006 - Jul 2014

Etl Architect

Utelco Systems

Melbourne, Australia

  • Telstra’s Wholesale Data Repository (WDR) is a large data warehouse running on UNIX servers attached to a Teradata RDBMS. ETL is implemented with both Teradata scripts and DataStage load jobs. My involvement:
  • Write Teradata scripts
  • Write Unix execution scripts
  • Define Control-M schedules
  • Assist with End To End testing by writing complex check SQL based on the Data Model
  • Build DataStage load jobs
Apr 2005 - Nov 2005

Senior Developer

Melbourne, Australia

  • Telstra's Retail DWH.Tasks included:
  • Data Validate the Warehouse. (initial load of the Warehouse, then adhoc SQL queries to validate)
  • Team Lead a three person review team. Reviewing Teradata Code and technical specifications. Producing Coding Standards and Guidelines.
  • Adhoc mainframe tasks such as implementing COBOL routines and mainframe SAS modules
  • Production Support. Including:o Problem resolution of complex problems not solvable by first level support o Monitoring first-time run jobs for stability o Definition of CONTROL-M scheduleso RACF mainframe security.
Dec 2002 - Mar 2005

Etl Specialist

Melbourne, Australia

  • Telstra's Retail DWH system was developed initially using ETI to generate Teradata scripts. However, early in the project, ETI was withdrawn, and Teradata scripts were written manually.Tasks included:
  • Review design documents and write system specification documents
  • Construct import/export modules using Teradata SQL and ETI
  • Prepare unit testing plans and conduct Unit and Integration testing
  • Mentor less experienced team members
  • Assist in team leader functions, including assuming the role during team-leader absence, liaising with other teams and advising on standards and procedures
Mar 2002 - Nov 2002

Analyst Programmer

Newcastle, England

  • Write high-level design specifications for data access components and request server.
  • COOL:Gen coding of the above specified enhancements.
  • Conduct reviews of documentation and participate in reviews of my work. The Accord Project delivered new applications to the British Department of Health and Social Services. We used Lotus Domino to version control.
Jul 2001 - Jan 2002

Analyst Programmer

Melbourne Area, Australia

S&M DWH Project==============Assisted a large team in the establishment of a Data-Warehouse and related infrastructure. The Data-Warehouse was to be the main knowledge base for Telstra's Sales and Marketing arm. It was to contain all Customer and Sales related data to be used for marketing campaigns, trend analysis and adhoc queries. My involvement.

Nov 1998 - Jun 2001

Senior Test Analyst & Software Engineer

Dandenong - Victoria

Testing for Y2K remediation of several General Motors applications.

Jan 1998 - Oct 1998

Trainee Programmer Through To Senior Analyst Programmer

Axa

Melbourne Area, Australia

SUPPORT OF NATIONAL MUTUAL PERFORMANCE DATABASEAs a member of a small team, supported the NM MXG Performance Database System. This system was built using the SAS 4GL. The system provided a warehouse of computer-related usage, performance and capacity related data. Data was sourced from the SMF repository, the various PABXs (for telephone usage data), IMS.

Dec 1986 - Dec 1997
Team & coworkers

Colleagues at NAB

Other employees you can reach at nab.com.au. View company contacts for 38407 employees →

2 education records

John Castillo education

High School Certificate

Princes Hill Secondary College
FAQ

Frequently asked questions about John Castillo

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

What company does John Castillo work for?

John Castillo works for NAB.

What is John Castillo's role at NAB?

John Castillo is listed as Data Modeler and Engineer at NAB.

What is John Castillo's email address?

AeroLeads has found 1 work email signal at @yahoo.co.uk for John Castillo at NAB.

Where is John Castillo based?

John Castillo is based in Fairfield, Victoria, Australia while working with NAB.

What companies has John Castillo worked for?

John Castillo has worked for Nab, National Australia Bank, Ibm, Telstra, and Utelco Systems.

Who are John Castillo's colleagues at NAB?

John Castillo's colleagues at NAB include Oliver Revesz, Tracey Walsh-Fry, Tina Nguyen, Divesh Makhija, and Karina Bradilovic.

How can I contact John Castillo?

You can use AeroLeads to view verified contact signals for John Castillo at NAB, including work email, phone, and LinkedIn data when available.

What schools did John Castillo attend?

John Castillo holds Bachelor Of Science, Computing, Faculty Honors from University Of Melbourne.

What skills is John Castillo known for?

John Castillo is listed with skills including Teradata, Etl, Data Warehousing, Mainframe, Sql, Cobol, Db2, and Business Intelligence.

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