Weekend Support Jobs in Hamilton, ON (NOW HIRING)

Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network.

We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities.

Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. We are seeking a highly motivated and experienced Application Support Analyst to join our global Equities Derivatives Pre-trade Technology team at the Assistant Vice President (AVP) level. This is a critical role responsible for ensuring the stability and reliability of our front-office trading applications, which are essential for the success of the Equities Derivatives trading business.

The successful candidate will be part of a dynamic team supporting a complex application suite that covers trade capture, real-time risk management, Profit and Loss (PnL) calculation, and the generation of derived market data. You will work directly with traders, quantitative analysts, and developers in a fast-paced, high-pressure environment, requiring a blend of strong technical skills, business knowledge, and excellent communication. Role Overview/What will you do: Provide timely and effective L1/L2 application support for the Equities Derivatives trading desk, ensuring all issues are logged, tracked, and resolved in line with SLAs.

Troubleshoot and resolve complex technical issues across a distributed architecture (Unix/Linux, Windows, Sybase, Middleware) to minimize business impact by working. Manage the full lifecycle of production incidents, from initial detection and investigation to resolution, root cause analysis, and the implementation of preventative measures. Support and monitor critical intraday and end-of-day processes for Pre-trade market quoting, Risk, PnL, and market data generation (e.g., volatility surfaces, credit curves, borrow curves, IR curves)

Collaborate closely with development teams to escalate bugs, manage software releases, and contribute to the continuous improvement of the platform. Communicate system status, issue updates, and resolution summaries clearly and concisely to business and technology stakeholders. Adhere strictly to ITIL best practices for Incident Management, Problem Management, and Change Management.

Participate in weekend support rotas, application deployments, and disaster recovery tests as required. Key Skills and Experience required Technical Expertise: Strong proficiency in SQL, with significant hands-on experience with Sybase, KDB, Oracle or a similar enterprise-level database. Proven troubleshooting skills in a distributed systems environment, including Unix/Linux, Windows, and various middleware technologies (e.g., Tibco, Solace, Kafka)

Professional Experience: Demonstrable experience in a front-office application support or production services role within a financial institution. In-depth knowledge and practical application of ITIL concepts are mandatory. Mindset: Ability to perform effectively under pressure and prioritize tasks in a fast-paced trading environment.

A proactive and analytical approach to problem-solving. Any Beneficial / Nice to have skills and experience: Domain Knowledge: A strong understanding of Equities Derivatives products (e.g., Options, Swaps, Futures, Warrants). Familiarity with derivatives pricing concepts, PnL attribution, and the "Greeks" (Delta, Gamma, Vega, Theta)

Technical Skills: Experience with scripting languages such as Shell, Python, or Perl for automation and reporting. Knowledge of job scheduling tools like Autosys. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Support ------------------------------------------------------ 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. 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.

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