Title: IRRBB & ALM Subject Matter Expert Level: Director Location: New York, NY (on site) Position Overview We are seeking a highly skilled Interest Rate Risk in the Banking Book (IRRBB) & A sset–Liability Management (ALM) Subject Matter Expert with deep expertise in interest rate risk measurement, behavioral modelling, balance sheet analytics, and regulatory risk management frameworks. The ideal candidate will also bring hands-on experience designing, enhancing, or validating IRRBB quantitative models—including EVE/NII sensitivity, behavioral models (NMD, prepayments), repricing models, and stress testing tools. This senior role will support the optimization of IRRBB governance, risk identification, measurement methodologies, risk appetite calibration, and model development. The successful candidate will sit within Treasury , and will interface with ALM execution , Risk Management, Finance, and regulators while driving analytical enhancements and ensuring compliance with global regulatory standards. Key Responsibilities + IRRBB Strategy, Risk Measurement & Governance : + Lead the development, enhancement, and maintenance of IRRBB measurement methodologies, including EVE, NII, NIM sensitivity and IRRBB stress testing frameworks. + Ensure alignment of IRRBB practices with Basel /US standards, regulatory expectations, and industry best practices. + Manage and continuously improve behavioral assumptions for non - maturity deposits (NMDs), loan prepayments, early redemptions, and product optionality. + Support the design and calibration of risk appetite metrics, limits, monitoring processes, and escalation protocols. + Partner with Treasury and senior management to assess interest rate exposures and recommend hedging or balance sheet strategies. + Model Development, Enhancement & Validation : + Develop, implement, or enhance IRRBB quantitative models, including: + NMD behavioral models + Prepayment / early redemption models + Repricing and yield curve models + Dynamic balance sheet simulations + Replication portfolio methodologies + Lead or support model documentation, performance monitoring, back testing , and benchmarking. + Collaborate with Model Validation to address findings, strengthen model robustness, and ensure end-to-end model lifecycle compliance. + ALM Analytics & Balance Sheet Insights : + Perform advanced ALM analytics to support Treasury’s strategic decision making . + Deliver insights on hedging strategies, balance sheet duration positioning, and interest rate scenarios. + Partner with Liquidity Risk, Capital Management, and Finance to assess interactions between IRRBB, liquidity, capital ratios, and earnings forecasts. + Stakeholder Collaboration & Regulatory Engagement : + Collaborate closely with Treasury, Market Risk, Finance, FTP, and IT to ensure consistent IRRBB frameworks and data integrity. + Serve as a key point of contact during regulatory exams, audits, and internal risk reviews. + Communicate model results, methodologies, and risk insights to senior management and committees. + Data, Systems & Technology : + Support enhancements to ALM/IRRBB systems (Risk engines, ALM platforms, FTP engines). + Drive improvements in data quality, scenario management, and reporting automation. + Work with quantitative and technology teams to implement new models and analytics into production environments. Qualifications & Skills + Education: + Bachelor's or Master's degree in Economics , M athematics, S tatistics, D ata S cience, E ngineering, or related fields. + Professional certifications such as CFA, FRM, PRM are highly beneficial. + Experience: + Minimum 7–10+ years of experience in IRRBB, ALM, Market Risk, Treasury Risk, or related quantitative functions. + Hands on experience developing, enhancing, or validating IRRBB models (EVE/NII, NMD, prepayment). + Strong familiarity with US & Basel IRRBB Standards, US regulatory expectations, and industry practices. + Experience with ALM platforms or quantitative risk engines (e.g., QRM, Empyrean, Moody’s, Kamakura, BancWare , internal models). + Technical Skills: + Strong quantitative and statistical background. + Proficiency in Python, R, or similar languages is strongly preferred . + Solid understanding of interest rate modelling concepts (e.g., term structure modelling, optionality, convexity). + E xperience with visualization data tools such as Power BI. + Familiarity with FTP frameworks and balance sheet simulation engines is a plus. + Soft Skills: + Excellent communication skills, with the ability to explain technical concepts to non technical stakeholders. + Strong analytical thinking, problem solving abilities, and sound risk judgement. + Ability to work effectively in fast paced , cross functional , and highly regulated environments. + Detail oriented with the capability to manage multiple priorities simultaneously. Why Join Us? + Make a direct impact on the bank’s balance sheet strategy, risk profile, and regulatory compliance. + Opportunity to build and influence cutting edge IRRBB models and analytics. + Collaborative, quantitative, and innovative working environment. + Competitive compensation, benefits, and performance-based incentives. The expected base salary ranges from $150,000 - $225,000. 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, including Medical, Dental and 401K plans, successful candidates are also 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 . Company Overview Mizuho Financial Group, Inc. is the 15th largest bank in the world as measured by total assets of ~$2 trillion. Mizuho's 60,000 employees worldwide offer comprehensive financial services to clients in 35 countries and 800 offices throughout the Americas, EMEA and Asia. Mizuho Americas is a leading provider of corporate and investment banking services to clients in the US, Canada, and Latin America. Through its acquisition of Greenhill​, Mizuho provides M&A, restructuring and private capital advisory capabilities across Americas, Europe and Asia. Mizuho Americas employs approximately 3,500 professionals, and its capabilities span corporate and investment banking, capital markets, equity and fixed income sales & trading, derivatives, FX, custody and research. Visit www.mizuhoamericas.com.​​ Mizuho Americas offers a competitive total rewards package. We are an EEO/AA Employer - M/F/Disability/Veteran. We participate in the E-Verify program. We maintain a drug-free workplace and reserve the right to require pre- and post-hire drug testing as permitted by applicable law. #LI-MIZUHO