Citi

Citi

Posted via Workday

FX Application Infrastructure Engineer, VIce President

Apply by Dec 31, 2026

Posted Oct 17, 2026

Role at a glance

Job function
Software Engineering & IT Systems & Network Administration
Salary
Not yet verified Check the description for pay details; an amount or pay period has not been verified.
Location
Mississauga Ontario Canada, Canada
Work arrangement
Hybrid
Employment
Full-time

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Role Summary

AI-generated

The FX Application Infrastructure Engineer designs, maintains, and supports the application infrastructure for FX platforms, serving as a local lead in Mississauga. The role works with application, infrastructure, development, business, and production-support teams across locations.

What You'll Do

  • Provide technical guidance on messaging middleware, operating systems, server hardware, network connectivity, performance engineering,...
  • Coordinate replatforming, re-engineering, and migration initiatives across FX applications.
  • Translate application requirements into infrastructure designs and track deployment of agreed solutions.
  • Measure and improve performance and efficiency through hardware tuning, topology changes, and application design.
  • Provide L3 support for operating system, connectivity, and middleware issues, and help investigate issues and prevent production defects.

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Required: extensive experience and knowledge supporting Solace, TIBCO EMS, or TIBCO Rendezvous middleware; subject-matter expertise in at least one of Linux, TCP/IP networking, low-latency performance engineering, firewalls, or server hardware; experience with at least one of Java, C++, or .NET, distributed systems, and at least one of Bash/Bourne Shell, Python, or Perl. Also lists messaging middleware technologies including TIBCO FTL and Aeron, basic networking, and shell scripting and Python/Perl/Ruby/Groovy. The candidate should understand the banking environment and have an interest in financial markets.

Preferred

  • Experience with high-volume, low-latency, highly available IT systems, including their architecture and SLAs.
  • Hands-on experience with Linux administration.
  • General infrastructure knowledge or hands-on skills in message-oriented middleware and networks.
  • Java is preferred among the listed programming-language options.
  • Experience with application server technologies such as Tomcat, Apache, or Weblogic.
  • Knowledge of SSL/TLS cryptographic protocols.
  • UI development experience for custom monitoring or management tools.
  • General knowledge, interest, and skills around infrastructure technologies such as Linux, networks, and storage.

Original job description

Content provided by the employer

Position Overview

FX Technology is focused on delivering IT solutions to the FX Sales & Trading business. We have around 400 people with the core of our development effort based in the financial hubs of London, New York and Singapore where we face off directly to the trading desks. Our core strength is providing the technical expertise and software development skills that directly affect the ability of our business to generate revenue and several of our client facing applications such as Citi FX Velocity and FX Click are leaders in their respective markets. We are committed to hiring the brightest and best technical experts and in return can offer roles with direct business interaction on projects from electronic and algorithmic trading to grid based computation of real-time risk metrics.

The FX Technology team is looking for a Senior-level Infrastructure and Middleware Engineer based in Mississauga, Canada to work within the FX Technology group focusing on the hardware, application infrastructure, connectivity, middleware considerations of our FX platforms and to serve as a local Lead. The successful candidate will be responsible for designing, maintaining and supporting the application infrastructure used by FX Technology. The candidate will have experience of working in a fast-paced environment and managing the design, build, deployment, support of eTrading and other FX applications in all environments.

The candidate will report into the FX Infrastructure Lead located in the UK and interact with development teams as well as our business and technology teams located across the globe.

 

Responsibilities


  • Provide technical guidance and expertise to developers and engineers in the areas of Messaging Middleware, Linux, Windows, server hardware, network connectivity, performance engineering, web middleware for all FX applications.
  • Coordinate major replatforming, re-engineering and migration initiatives across all FX applications
  • As part of a team of Infrastructure engineers, provide guidance and direction to other members in your capacity of Lead Engineer
  • Liaise with multiple application teams and infrastructure teams to translate application requirements into an infrastructure design and then track the deployment of the agreed solutions.
  • Performance engineering: measure, identify opportunities to improve performance and efficiency through hardware tuning, topology changes, application design. 
  • Some L3 Support for our FX eTrading platforms in particular for OS/connectivity/middleware issues.
  • Some project management duties on small-scale projects.
  • Input into application releases that have dependencies on infrastructure changes.
  • Work in concert with the business, development teams and Production Support to investigate issues and prevent production defects.
  • Work in collaboration with DevOps Engineers to support DevOps initiatives.

 

Requirements

Experience / Background


  • Extensive experience and knowledge supporting these Messaging Middleware technologies: Solace, TIBCO EMS or TIBCO Rendezvous either as a Systems Engineer or Application Developer
  • Extensive Expertise (sufficient to act as an FX-wide Subject-Matter Expert) in at least one of these other areas: Linux, TCP/IP Networking, Low-latency Performance Engineering, Firewalls, Server hardware
  • Experience in at least one of the following programming languages: Java, C++, .NET
  • Experience with Distributed Systems: Scaling, Fault-Tolerance, Load-Balancing, Networking, Security, etc.
  • Experience in at least one of the following scripting languages: Bash/Bourne Shell, Python, Perl

In addition, the following would be an advantage:


  • Experience with high-volume low-latency highly available IT systems, understanding of their architecture and SLAs
  • Any hands-on experience with Linux administration
  • Any general infrastructure knowledge or hands-on skills in the areas of Message-Oriented Middleware (Solace, Tibco EMS, Tibco Rendezvous, Aeron) and Networks
  • The candidate should show a clear understanding of the banking environment and have a strong interest in financial markets. 


 Personal Characteristics


  • Open-minded team player, good at building networks and leveraging resources
  • High attention to detail
  • Willing to take ownership of initiatives and drive them to completion
  • Proactive, and able to work independently
  • Excellent analytical skills
  • Results-oriented and client-focused
  • Ability to work under pressure, prioritize work and well organized

Skills Required


  • Messaging Middleware technologies: Solace, TIBCO Rendezvous, TIBCO EMS, TIBCO FTL, Aeron
  • Solid knowledge of basic networking concepts.
  • At least one programming language: Java (preferred), C++ or .NET
  • Shell scripting and Python/Perl/Ruby/Groovy scripting

In addition, the following would be an advantage:


  • Application server technologies: Tomcat, Apache, Weblogic
  • SSL/TLS cryptographic protocols
  • Any UI development of custom monitoring or management tools
  • General knowledge, interest and skills around infrastructure technologies (Linux, Networks, Storage…)

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Primary Location Full Time Salary Range:

$120,800.00 - $170,800.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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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.

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This job opening is for an existing job vacancy.

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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.

 

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Citi

About the company

Citi

Large Enterprise

Citi is a global financial services corporation that offers a wide range of financial products and services, including consumer banking, credit, investment banking, and wealth management. With a presence in nearly 100 countries, Citi serves millions of customers, from individuals and small businesses to large corporations and governments. The company is dedicated to innovation and sustainability, actively working to support economic growth while addressing environmental and social challenges. Citi’s commitment to providing exceptional service and fostering diverse talent makes it a prominent choice for students aspiring to build a career in finance and banking.