Infra Tech Lead Analyst

Citi•Toronto, ON

8d•Hybrid

About The Position

Citi Markets Technology are seeking a highly motivated IT professional to join our Global Markets Platform team located in Mississauga. This is an opportunity to join the global team providing technology services across our suite of Equities electronic trading applications. This role will involve collaboration with electronic-trading platforms and infrastructure dealing with a wide range of teams including Traders, Application Developers, Product Owners, and Engineering. Engineering 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. Markets Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑products. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernized post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑caliber engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Markets technology at Citi. Role Overview: The Infra Tech Lead Analyst is a senior-level position responsible for the successful execution of complex, strategic, enterprise-wide technology initiatives critical to Citi’s Markets business growth, regulatory compliance, operational efficiency and business outcomes.

Requirements

Active collaboration with all parties is required to be successful. The resource should be able to effectively collaborate with the Markets-Tech Electronic Trading organization (our clients), steer other technology organizations directly or through influence, and love rolling up their sleeves and working as an individual contributor.
Proven experience in technology project management, business analysis in application connectivity through network devices, data center migrations, and new connectivity network builds is essential.
The role is very broad requiring a resource that is not afraid to do new things and be challenged on a regular basis with a can-do attitude and an engineering mindset.
Experience in Capital Markets Low Latency Network Infrastructure workflows will be highly relevant to this role.
Hands‑on experience leveraging AI and automation for productivity with knowledge of emerging AI use cases in infrastructure Technology functions highly desirable.
Proven ability to manage complex and variable issues with substantial potential impact by weighing various action plans and balancing potentially conflicting needs.
Demonstrated ability to effectively use complex analytical, interpretive, and problem-solving techniques.
Strong analytical, documentation, and problem‑solving skills with ability to translate complex requirements into clear, actionable applications connectivity designs.
Stellar Communicator, written and verbal communication, is a genuine differentiator. Tailors message, medium, and tone to audience with precision and impact.
Strong influencing and negotiation skills; ability to build and maintain effective networks and relationships.
Relentlessly Organized, nothing falls through the cracks. Maintains meticulous control of actions, decisions, risks, and dependencies across complex architectural landscapes.
Familiarity with SDLC and Agile development methodologies including tools such as Jira & Confluence
Network (Routing & Switching, cut-through, Multicast, SDN, BGP, L1-L3, PCAP analysis)
Monitoring (SPANs, TAPS, OEO, Packet Brokers, Corvil, SNMP, FIX, Logs, ELK, Open Telemetry, Grafana, Promethius)
Compute (Linux, CoreOS, Tuning, kernel bypass technologies, core dump analysis)
Messaging (TibRV, Solace, Aeron, ZeroMQ, Kafka, Multicast, Market data (TCP/UDP), Tibco, Exegy/Vela)
Load Balancers (HW, SW)
Security (Firewalls, PKI, TLS, IDS, Optical Encryption, AD, LDAP)
Connectivity (WAN, Lucera, cross-connects, ECX, venue, client)
Colo / Datacenter (Power, Space, Cage, Rack, Cabinet, Design)
Excel (for advanced frameworks, data analysis)

Nice To Haves

6-10 years of experience in roles centered around infrastructure delivery (application hosting and/or end user services) with a proven track record of operational process change and improvement
Understanding of how specialization within area contributes to the business and of competitors' products and services
Ability to develop projects required for design of metrics, analytical tools, benchmarking activities and best practices
Ability to work with virtual / in-person teams, and work under pressure / to a deadline
Experience in a Financial Services or large complex and/or global environment preferred
Effective written and verbal communication skills
Effective analytic/diagnostic skills
Ability to communicate technical concepts to non-technical audience

Responsibilities

Interface with Citi’s Markets business, technology application teams and clients/vendors, understand functional business and technical connectivity requirements, translate the business/application/technical connectivity requirements into actionable engineering change requests for implementation by Network Engineering, Firewall & Proxy Engineering, Load Balancer Engineering and System Administrators/Engineering.
Requires in-depth understanding of markets technology suits of applications and infrastructure areas collectively integrate within the sub-functions as well as coordinate and contribute to the objectives of the entire function.
Widened communication and diplomacy skills are required to guide, influence and convince others, in particular colleagues in other areas and occasional external customers. Has responsibility for volume, quality, timeliness and delivery of end results of an area.
Own and drive the creation of business/ functional markets trading applications and servicing infrastructure connectivity requirements. Documenting solutions and managing end to end application architectural and connectivity flows, and the upstream and downstream dependencies.
Integrate modern tools and emerging technologies including AI‑enabled automation, collaboration platforms, to enhance productivity and streamline delivery workflows.
Proactively identify risks, issues, and blockers; escalate with precision and propose credible mitigations before they become crises.
Maintaining Book of Work and facilitating prioritization discussions with key business and technology stakeholders.
Document connectivity requirements and support service validation testing, release, and implementation activities. Identify, plan, and execute connectivity projects.
Develop and publish content for Senior management reporting, presentations, town halls etc.
Plan, coordinate, and drive day‑to‑day delivery of complex technology initiatives. Track milestones against target dates and provide regular status updates to stakeholders.
Manage project scope, assess change requests, and clearly communicate impact on timelines, costs, and risks to Global Head of Platforms.
Partner daily with business stakeholders, technology leads, product teams, and clients. Manage expectations across global teams and operate effectively in ambiguous, high‑pressure environments.
Proactively identify, manage, and escalate project risks and issues. Define and drive risk mitigation strategies, including remediation plans.
Create and maintain core project management artifacts and documentation. Apply lessons learned to improve future delivery and processes.
Leverage automation and AI‑enabled tools to improve productivity, reporting, and delivery discipline
Understanding Business priorities and working as a liaison between Business and Engineering teams.
Excellent oral and written communication skills are essential to effectively communicate issues, risks, and progress on complex processes to multiple stakeholders.
Partner with technology teams to oversee projects, execute plans and ensure critical deliverables are met
Proactively identify risks, issues, and blockers; escalate with precision and propose credible mitigations before they become crises.
Interface between Citi’s Markets Technology applications and all Infrastructure Engineering teams such as Network & Firewall Engineering, Unix and Linux Server Engineering, Middleware Solace and Tibco engineering. PM Design and implement scalable, secure, and highly available low latency trading network architectures.
Drive coordination, planning, configuration, and deployment connectivity engineering solutions through (routers, switches, firewalls, load balancers, Proxy Servers & Zscaler) from various vendors (e.g., Cisco, Juniper, Palo Alto, F5).
Develop and maintain comprehensive network documentation, including diagrams, configurations, and procedures.
Diagnose and resolve complex network issues, including connectivity problems, performance degradation, and security incidents.
Participate in an after-hours support for service validations during network change activities.