Full-Time

Security Operations Analyst

Posted on 8/26/2025

Mizuho Securities USA

Mizuho Securities USA

10,001+ employees

Global banking, equities, and fixed-income platform

Compensation Overview

$81k - $135k/yr

+ Bonus

Bowling Green, OH, USA

Hybrid

Hybrid working program with varying opportunities for remote work depending on the nature of the role.

Category
IT & Security (1)
Required Skills
PowerShell
Python
Linux/Unix
Data Analysis
Requirements
  • 3-5+ years of proven cybersecurity experience in a similar position
  • Strong communication skills. Ability to clearly and concisely articulate ideas, solutions, etc.
  • Strong educational background with BS / MS in Computer Science, Engineering, or related area
  • Experience with scripting (PowerShell or Python preferred)
  • Deep understanding of log analysis and correlation across large data sets
  • Take an automation-first approach to mature cyber hygiene
  • Good analytical and problem solving skills to troubleshoot and resolve security issues
  • Developing complex SPL and EDR alerts to improve detection abilities
  • Knowledge of Proxies, Web Servers, Cloud, IDS/IPS and Packet Captures
  • Understanding of TCP/IP, Routing, Switching, Firewalls, and other Network functionality
  • Knowledge of Linux, Windows, and Virtualization security
  • Self-driven to learn and develop skills
Responsibilities
  • Perform day to day administration and support of security infrastructure tools and systems, including but not limited to SIEM, IDS/IPS, EDR, SNOW, Email Protection, and other Network or System Monitoring tools
  • Manage relationships with SOC, MSSP, and other security vendors
  • Recommend and implement enhancements to existing processes, focusing on automation and integration between other security solutions.
  • Review security logs of critical systems to identify risks, security threats, or configuration errors
  • Review daily, weekly, and monthly security reports for any anomalies or issues
  • Provide first level support on security issues and guidelines from end-users, developers, desktop-support specialists and system administrators
  • Troubleshoot security issues and assist with security incident responses and forensic investigations
  • Prepare Incident Response documentation, IR Playbooks, KRI/KPIs, clearly communicate technical details for Senior Management
  • Lead and contribute to detection and response capabilities, focusing on creating high fidelity alerts and developing tuning adjustments for repeated events
  • Perform forensic activities along with malware analysis of suspicious files during major cyber incidents
  • Hands on experience with SIEM/SOAR platform, playbook creation and detection models to reduce alert fatigue and improve detection accuracy
  • Implement well engineered solutions to improve security posture
  • Work with colleagues and vendors to assess different technologies and determine their impact within the Mizuho environment
  • Provide technical support to design, develop, engineer and implement cybersecurity requirements for new and existing hardware, networks, and applications
  • Prepare formal and informal reports with security requirements on security incidents, system vulnerabilities, and ongoing compliance functions
  • Develop and lead Incident Response initiatives to mature existing or future cybersecurity services to reduce the threat landscape across the bank
Desired Qualifications
  • Experience with scripting (PowerShell or Python preferred)
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

  • Manages $2 trillion assets and 605 billion yen revenues as of December 2022, fueling US investment banking expansion.
  • Employs 60,000 experts across 900 offices worldwide, bolstering sales, trading, and advisory capabilities.
  • Viet Phan joined as APAC head of energy and natural resources in 2026, targeting India, Korea, Southeast Asia.

What critics are saying

  • FINRA fines Mizuho Securities USA for equities and fixed income violations within 6-12 months.
  • CME Group in-house clearing erodes Mizuho's futures market share in 12-24 months.
  • EMIR 3.0 forces $2B collateral posting, cutting 10-15% trading revenues since January 2026.

What makes Mizuho Securities USA unique

  • Mizuho Securities USA specializes in futures clearing across agriculture, energy, equities, FX, interest rates, and metals via CME Group.
  • Blends Eastern and Western financial practices for corporate, private equity, and institutional clients in banking, equities, fixed income.
  • Maintains global offices in Hong Kong, Seoul, Sydney, Chicago, enhancing cross-border deal flow for US clients.

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Benefits

Health Insurance

Dental Insurance

Hybrid Work Options

401(k) Retirement Plan

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