Full-Time

Internal Audit

IT Infrastructure

Posted on 8/14/2025

Mizuho Securities USA

Mizuho Securities USA

10,001+ employees

Global banking, equities, and fixed-income platform

Compensation Overview

$102k - $150k/yr

+ Bonus

New York, NY, USA

Hybrid

This role is hybrid and based in our New York City Office.

Category
Accounting (2)
,
Required Skills
Risk Management
Data Analysis
Requirements
  • Holds a Bachelor’s Degree or equivalent in computer science, information systems management, business, accounting, finance, economics or engineering.
  • May also hold an advanced or specialized degree and/or a professional certification (e.g., MBA, MS, CISA, CISM, CISSP, CIA, CPA) or license relevant to the profession.
  • Demonstrates a sound understanding of the financial services industry, including audit, financial, IT infrastructure and cybersecurity, risk management, or technology functions.
  • Possesses at least 3 years of relevant work experience, including in internal auditing or external auditing, risk management, supervisory examinations, or their equivalent.
  • Demonstrates a sound understanding of internal audit principles, practices and techniques, the concepts of risk, risk management, internal control and compliance, and the ability to effectively and consistently apply such understanding to assignments.
  • Demonstrates the ability to effectively direct, guide, and supervise subordinate staff in the planning and execution of all phases of internal audits, issue testing and special projects, in a manner consistent with recognized professional standards and with applicable Mizuho/IAD/IADA policies and procedures.
  • Has excellent communication skills, both written and verbal, as well as strong relationship building skills with ability to work well within a team-oriented environment.
  • Demonstrates the ability to effectively evaluate the performance of the staff assigned to the group and manage their ongoing professional development.
  • Demonstrates the capacity for effective project and time management skills, including the ability to prioritize, design and direct multiple tasks/projects and to anticipate and meet required deadlines.
  • Demonstrates ability to support IADA leadership with interacting with supervisory authorities, audit committees, and senior audit leadership including metrics reporting to such parties.
  • Demonstrates ability to effectively support the team’s Director and Executive Director, with respect to the administrative management of IAD.
Responsibilities
  • Execute a robust audit program including performing the timely execution of audit planning, fieldwork, reporting and other administrative and management tasks pertaining to IT infrastructure and cybersecurity areas of focus.
  • Assist in the design, development and implementation of Internal Audit Department America’s (IADA’s) annual risk assessment, audit plan and schedule, continuous monitoring and preparation and/or presentation of related MIS reports.
  • Execute the activities and/or deliverables associated with issue testing including establishing the testing approach, preparing testing documents and reports for issues (e.g. regulatory, third-party and internal audit) related to IT infrastructure and cybersecurity areas of focus.
  • In accordance with the IADA policy and procedures, drive efficiency and operational excellence through the use of available tools and resources and sharing of best practices.
  • Identify and implement efficiencies and automation using data analytics.
  • Collaborate both formally and informally with other corporate risk and control functions to ensure activities are coordinated.
  • Work with IADA Vice President/Director and IT infrastructure and cybersecurity management to identify control issues and emerging risks and ensure timely and effective remediation.
  • Communicate, as needed, with Internal Audit Department (IAD) Head Office, other IAD overseas offices, IADA management and staff and other Mizuho areas/functions/personnel.
  • Represent IADA, as directed, on committees and/or special project teams as necessary.
  • As applicable, engage with supervisory authorities, external auditors and other service providers in the conduct of their activities at Mizuho.
  • Manage or perform other assignments or special projects as may be directed by the Vice President or Director.
  • Evaluate and provide timely feedback to assigned audit staff regarding performance, provide hands-on coaching, and manage their continuing professional development.
  • Assist with the development of training material related to IT infrastructure and cybersecurity audit topics.
  • Manage staff resources to optimize productivity, meet training and development needs, and deliver high quality, value added assurance and advisory services.
  • Coordinate with or assist other IADA Audit Groups, as needed.
  • Assist the Vice President/Director with maintaining an Off-Site Monitoring Program for the Group’s portfolio of audits.
  • Cooperate with directives and requests from IADA’s Quality Assurance team and promote the ongoing effectiveness of IADA’s Quality Assurance function.
Mizuho Securities USA

Mizuho Securities USA

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Mizuho Securities USA is part of Mizuho Financial Group, a global financial services firm that blends Eastern and Western banking and market practices to serve corporations, private equity firms, and institutional investors. It operates a full-service platform spanning banking, equities, and fixed income, offering strategic and financing solutions along with risk management. The company earns revenue from interest on loans, advisory and financing fees, and trading income across its global equities and fixed income desks. Its approach combines cross-border know-how with local market expertise to tailor solutions for clients. Unlike peers, it emphasizes a long-standing CSR and diversity program, integrating ethical practices and social initiatives into its operations. The goal is to help clients shape their futures and reach their long-term objectives by providing comprehensive financial services and responsible leadership across global markets.

Company Size

10,001+

Company Stage

IPO

Headquarters

Tokyo, Japan

Founded

2000

Simplify Jobs

Simplify's Take

What believers are saying

  • Canton Network JGB blockchain trial launched April 20, 2026, enables 24/7 cross-border collateral.
  • Viet Phan appointed APAC head of energy and resources, targeting India and Korea growth.
  • FSA-backed digital collateral PoC positions firm for tokenized asset leadership.

What critics are saying

  • FINRA scrutiny over compliance failures revokes MSUSA licenses within 12 months.
  • Goldman Sachs captures 25% more US Treasury auction share from MSUSA in 6 months.
  • Canton trial fails under Japan's Book-Entry Transfer Act, losing futures clients in 18 months.

What makes Mizuho Securities USA unique

  • Mizuho Securities USA leverages Mizuho Group's largest Japan client base for US market access.
  • Institutional brokerage specializes in equity, futures clearing, and fixed income execution.
  • Global network connects Asian clients to US Treasuries as Primary Dealer.

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Benefits

Health Insurance

Dental Insurance

Hybrid Work Options

401(k) Retirement Plan

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