Senior Technical Application Support Specialist

Senior Technical Application Support Specialist As a Senior Technical Application Support Specialist reporting to the Sr. Director – Project Management of Nasdaq Trade Surveillance team, you'll play a critical role in supporting the delivery and reliability of Nasdaq's trade surveillance and market data technology for clients across global markets. You'll thrive in this position if you're a self-starter who enjoys solving complex technical problems, communicating across teams, and taking full ownership of issues from diagnosis through to resolution — all in a fast-paced, high-impact environment. What You’ll Do Monitor systems for software errors, failures, and capacity issues; troubleshoot and escalate as needed to ensure continuous operational performance. Resolve market data and private data connectivity issues of increasing complexity, working closely with clients, exchanges, and market centers. Manage exchange feed integrations and lead projects to implement or upgrade trading systems, including handling client change requests. Partner with business analysts and internal teams to develop and deliver efficient, scalable solutions for reported issues. Engage directly with internal stakeholders and external clients on a day-to-day basis, ensuring clear, timely communication across technical and non-technical audiences. What You’ll Bring At least 8 years of commercial experience in the trading technology industry, including 4+ years supporting financial trading data (pre-trade, post-trade) or trading protocols such as FIX, OMnet, ITCH, or OUCH. Functional knowledge of brokerage or securities finance operations. Trading application development support experience Incident management experience, including ticket workflows and critical issue processes. Excellent communication and stakeholder management skills, with the ability to translate technical information for non-technical audiences. Background in application component implementation and deployment. Experience working within globally distributed, multi-functional teams. Nice to Have Experience with fixed income or OTC market structures. This position will be located in Sydney, Australia , and offers the opportunity for a hybrid work environment at least 2 days a week in-office, subject to change. This is a permanent, full-time role so candidates should have full working rights in Australia. To be eligible to apply, you must have Australian citizenship or permanent residency status. Benefits & Rewards We offer a competitive, well-rounded rewards package designed to support the financial, physical, and emotional well-being of our employees and their families (where applicable). We utilize a structured job architecture and career framework to ensure growth opportunities are clear, fair, and accessible to all employees. For more information, visit Nasdaq Benefits & Rewards Career Page . Come as You Are Nasdaq is an equal opportunity employer. We welcome applications from candidates of all backgrounds and identities. We are committed to fostering an inclusive workplace where diverse perspectives, experiences, and identities are valued and celebrated. We ensure that individuals with disabilities are provided with reasonable accommodation throughout the hiring process.