ETL Data Engineer - Assistant Vice President

Citigroup Inc.; Mississauga; On-site; CAD 94,000 - 142,000; Full time

Job summary

Citigroup Inc. is seeking an ETL Data Engineer to join our Technology team in Canada. The role contributes to establishing and implementing new or revised application systems and programs, focusing on data integration, ETL design, and warehouse architecture.

You will work across a broad technology spectrum, including big data platforms, with emphasis on code quality, testability, and continuous improvement. Strong Unix/Linux and SQL skills are required.

Qualifications

• 5+ years of relevant experience.
• Hands-on experience with Ab Initio or any other ETL tools on Unix/Linux and Windows.
• Strong knowledge of Data Warehouse and ETL architecture, design principles, and development methodologies.
• Broad cross-functional IT experience, including application integration and interface design.
• Experience managing and resolving complex issues across ETL processes, SQL workloads, and Unix scripts.

Responsibilities

• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users.
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues and evaluate business and system processes.
• Operate with limited supervision.
• Advocate for continuous improvement in code quality, testability, reliability, and operational excellence.
• Be enthusiastic about rapid technological change and comfortable adopting new tools, platforms, and methodologies.

Skills

Ab Initio

ETL tools

Data Warehouse

Application integration

SQL

Oracle/MySQL

Kafka/Messaging

Education

Bachelor’s degree

Tools

Oracle

MySQL

Job description

The ETL Data Engineer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities

• Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
• Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
• Has the ability to operate with a limited level of direct supervision.
• Advocates for continuous improvement, particularly in code quality, testability, reliability, and operational excellence
• Enthusiastic about rapid technological change and comfortable adopting new tools, platforms, and methodologies
• Capable of working across a broad technology spectrum, from legacy systems to modern big‑data and distributed platforms
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Required Qualifications

• 5+ years of relevant experience
• Hands-on experience with Ab Initio or any other ETL tools (required) on Unix/Linux and Windows platforms
• Strong knowledge of Data Warehouse and ETL architecture, design principles, and development methodologies
• Broad cross‑functional IT experience, including application integration and interface design
• Experience managing and resolving complex issues across ETL processes, SQL workloads, and Unix scripts
• Hands‑on database application development using Oracle and/or MySQL
• Working knowledge of messaging and streaming technologies such as JMS, MQ, or Kafka is preferred

Preferred Qualifications

• Proficient in Oracle databases (preferred) and strong working knowledge of Linux environments
• Advanced expertise in Unix shell scripting, SQL and PL/SQL development, and troubleshooting ETL pipelines
• Proven experience in performance tuning, benchmarking, throughput analysis, and capacity planning
• Experience designing and building shared frameworks and utility services, including logging, monitoring, and error‑handling
• Familiarity with Agile development methodologies (Scrum/Kanban preferred)
• Experience with change and release management processes
• Exposure to the Financial Services domain is strongly preferred
• Experience developing applications using Spark, Scala, Java or Python is a plus
• Working knowledge of messaging and streaming technologies such as JMS, MQ, or Kafka is preferred

Education

• Bachelor’s degree/University degree or equivalent experience

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location Full Time Salary Range

$94,300.00 - $141,500.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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