Senior Core Banking & Platform Portfolio Manager

• Location 4910 Tiedeman Road, Brooklyn Ohio The Business Technology Senior Manager for Core Banking & Platform Portfolio Management is a technical delivery leader, and people manager, accountable for end-to-end delivery and production ownership of vendor and internal platforms supporting core banking portfolio management. A key focus is advancing and modernizing the core banking technology platforms and system integration. Role clarity Not a software development role; focused on technical delivery leadership, integration, delivery governance, and seamless delivery for vendor and internally built platforms and implementations. Primary Responsibilities Technical Leadership, Delivery & Governance
• Develop and manage a team of internal and external technology professionals Own end-to-end delivery and production ownership for portfolio modeling, rebalancing, trading, subscription, and financial data provider platforms.
• Establish delivery governance and agile/waterfall ways of working; partner with Product Management where applicable to align priorities, scope, and outcomes.
• Lead cross-functional delivery (Technology, Product, Operations, vendors): manage plans, cutovers, dependencies, risks, test readiness, and releases.
• Lead developing the platform roadmap (modernization, integration/API strategy). Platform Architecture, Integration & Data
• Provide technical oversight for architecture and integrations across mainframe and distributed platforms and downstream reporting (APIs, messaging, streaming). Advance the core banking technology stack, integrating modern technology into core banking workflows, (digital & real-time payments, pricing platforms). Integrate core banking data/events into enterprise portfolio workflows for consumers and commercial data models and controls. Govern data lineage, quality, and timing across core banking processes (pricing, benchmarks, performance, attribution). Application
• Support, Risk & Service Management Own and report on platform stability/reliability and system readiness resilience, performance/latency, capacity, and recovery planning for market-hours workloads.
• Implement observability (monitoring, alerting, logging, tracing) and service level objectives/service level indicators; drive stability/backlog initiatives.
• Lead incident/problem management (on-call readiness, root-cause analysis) and ensure high-quality releases/cutovers with rollback plans.
• Partner with Risk, Compliance, and Security to deliver controls and execute remediation; partner with critical stakeholders on new capabilities. Vendor & Financial Management Select and govern vendors/partners (contracts, SLAs, delivery quality).
• Manage base personnel and software expense to financial plan. Competency Expectations
• Lead and develop high-performing delivery/support teams; communicate complex concepts clearly to business and technology audiences.
• Strong influencing and communication skills, with the ability to partner and negotiate at senior leadership levels
• Drive disciplined delivery for high-risk systems cutover planning, change control, and release readiness. Operate with strong production mindset reliability, performance/latency, recovery, and incident/problem management.
• Partner effectively with Product and the Chief Investment Office to translate strategy into roadmaps and execution. Maintain data integrity and control from source through execution and reporting in a regulated environment. Qualifications Must-have Technical Delivery
• Experience Led delivery of integrated vendor and/or internally built trading/portfolio management platforms (order/execution management, market data, performance, private investments) from requirements/vendor selection through implementation, cutover, and production support. Technical depth to review designs, challenge assumptions, and make tradeoffs across performance, resiliency, data quality, and security. Comfortable governing agile/waterfall delivery, testing strategy, release/change, environments, observability, and incident/problem management (no day-to-day coding required). 7+ years delivering and operating core banking system technology, with ownership of production platforms and releases. 7+ years leading technology teams (engineering, data, and/or integration), including hiring, performance management, and coaching. COMPENSATION AND

BENEFITS

This position is eligible to earn a base salary in the range of $116,000.00 - $216,000.00 annually. Placement within the pay range may differ based upon various factors, including but not limited to skills, experience and geographic location. Compensation for this role also includes eligibility for incentive compensation which may include production, commission, and/or discretionary incentives.

Please click here for a list of benefits for which this position is eligible. Key has implemented an approach to employee workspaces which prioritizes in-office presence, while providing flexible options in circumstances where roles can be performed effectively in a mobile environment. Job Posting Expiration Date 10/04/2026 KeyCorp is an

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