ETL Data Engineer - Assistant Vice President

Citibank (Switzerland) AG; Mississauga; Hybrid; Confidential; Full time

Job summary

Citibank (Switzerland) AG is seeking an experienced ETL Data Engineer (Assistant Vice President) to join the Hybrid team in Mississauga, Ontario. You will participate in establishment and implementation of new or revised applications and systems, driving cross-functional collaboration and ensuring high quality data pipelines.

You will monitor all development phases, optimize ETL processes, and contribute to design, testing and deployment, while embracing rapid change and regulatory compliance.

Qualifications

• 5+ years of relevant ETL experience across Unix/Linux and Windows.
• Hands-on experience with Ab Initio or other ETL tools.
• Strong knowledge of data warehouse architecture and ETL development.
• Experience with Oracle and/or MySQL databases.
• Familiarity with JMS, MQ, Kafka messaging/streaming.
• Experience with Agile development and release management.

Responsibilities

• Monitor and control all phases of the development process: analysis, design, construction, testing and implementation.
• Analyze complex problems, evaluate business processes and system standards to inform solutions.
• Provide user and operational support to business users.
• Advocate for continuous improvement in code quality, testability and reliability.
• Adapt to rapid technological change and work across a broad spectrum of technologies, from legacy systems to modern big-data platforms.

Skills

Ab Initio

ETL concepts

SQL workloads

Unix scripting

Data Warehouse

Java/Python/Scala

Kafka / JMS / MQ

Agile methodologies

Education

Bachelor's degree or equivalent

Tools

Oracle

MySQL

Unix/Linux

Unix shell scripting

Kafka

JMS

MQ

Spark

Scala/Java/Python

Job description

## ETL Data Engineer - Assistant Vice PresidentApply: Hybrid: Mississauga Ontario Canada: Full time: Posted 3 Days Ago: End Date: November 1, 2026 (30+ days left to apply): 26995808The 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