The MBSCC Trade Assignments Specialist / MBS Allocator (Fixed Income Middle Office) is responsible for accurate and timely processing of MBSCC trade assignments for Agency MBS TBA activity, ensuring that executed trades are correctly allocated and assigned for DTCC MBSCC processing from trade date through settlement. This role partners closely with Trading, Sales, and Settlements/Operations to manage MBSCC matching/affirmation, monitor exceptions, and resolve DKs/unmatched items while adhering to market cutoffs and internal controls.

Essential Job Duties

• Manage and process MBSCC trade assignments for Agency MBS TBA trades, ensuring timely submission and accurate assignment details in line with desk instructions and market cutoffs.

• Monitor DTCC MBSCC for trade matching/affirmation; work exception queues and resolve unmatched, DK, and un-compared items efficiently, coordinating with counterparties and internal stakeholders.

• Allocate Agency MBS TBA trades to accounts/strategies and maintain accurate TBA positions and monitor pool position as needed.

• Provide trader support including trade entry and capture; confirm trade economics and required identifiers (e.g., counterparty, broker, settlement date, pool details where applicable) to ensure trades are assignment-ready for MBSCC processing.

• Partner with Trading and Sales to respond to trade queries, investigate issues, and coordinate resolutions with internal teams and counterparties.

• Support netting procedures across MBSCC settlement cycle; coordinate with Settlements on obligations and timely resolution of exceptions impacting settlement.

• Process and control trade amendments/cancellations and assignment updates; reconcile front-office bookings to MBSCC status and ensure changes are reflected accurately through the assignment and settlement lifecycle.

• Track and communicate daily MBSCC assignment and matching status (cutoffs, pending items, exceptions) via dashboards; escalate time-sensitive risks that could impact settlement.

• Monitor FOBO reconciliation reports and resolve trade/position breaks; perform position and P&L support checks as applicable and clear exceptions through investigation and coordination.

• Assist with ad-hoc requests as needed.

Qualifications

• 3-7+ years of experience in Agency MBS (TBA and specified pools) middle office, trade support, allocations, or related operations.

• Strong understanding of the MBS trade lifecycle, including TBA settlement conventions, allocations/assignments, pair-offs, rolls, pool assignment processes, and fails/claims.

• Strong knowledge of the trade lifecycle, including DTCC netting procedures and exception management across fixed income products.

• Hands-on experience with DTCC MBSCC trade assignments and processing (matching/affirmation, netting/obligations, and exception queues) and demonstrated ability to resolve unmatched/DK/un-compared items quickly.

• Working knowledge of MBSCC timing, cutoff schedules, and key settlement controls; ability to coordinate across Trading and Settlements to prevent/mitigate fails.

• Strong systems aptitude with hands-on experience using ION, Bloomberg, MBSE and Impact to support trade capture, allocation workflows, and reconciliations

• Advanced Excel skills and strong attention to detail; ability to work effectively under intraday deadlines.

• Clear written and verbal communication skills with the ability to partner across Trading, Sales, Settlements, and Technology.

• Bachelor's degree or equivalent relevant experience.

The expected base salary ranges from $82,000 - $135,000. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications and licenses obtained. Market and organizational factors are also considered. In addition to salary and a generous employee benefits package, successful candidates are eligible to receive a discretionary bonus.

Other requirements

Mizuho has in place a hybrid working program, with varying opportunities for remote work depending on the nature of the role, needs of your department, as well as local laws and regulatory obligations. Roles in some of our departments have greater in-office requirements that will be communicated to you as part of the recruitment process

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