Join Mizuho as a Cyber Security Platform Operations Lead! We are seeking a seasoned Cyber Security Platform Operations Lead to oversee and drive the operational excellence of our global cybersecurity platforms. This role is ideal for a strategic leader with a strong foundation in complex systems architecture and cross-functional collaboration, who can scale solutions in alignment with organizational growth. The ideal candidate will bring hands-on experience in managing and optimizing cybersecurity platforms, along with the ability to lead initiatives from concept to execution. This role requires a proactive mindset, strong communication skills, and a commitment to continuous improvement. Key Responsibilities: + Lead the operational management of core cybersecurity platforms including EDR, Vulnerability Management, IPS, SIEM/SOAR, Network Monitoring Tools, CASB/SASE, and others. + Identify and address gaps or inefficiencies in platform performance, configuration, and integration. + Collaborate with engineering, infrastructure, and cyber defense teams to ensure platforms are aligned with security architecture and business needs. + Provide oversight and guidance to platform operations staff, ensuring consistent execution of BAU activities and project deliverables. + Serve as a point of escalation and backup for critical platform operations and incident response. + Report regularly to the Director of Security on platform health, operational metrics, and strategic initiatives. + Participate in the on-call rotation to support platform stability and incident resolution. + Understanding of tools and platforms such as: + Splunk, XSOAR, CrowdStrike, ExtraHop/Reveal(x), Netskope, Tenable + JIRA, GitLab, Ansible + Scripting proficiency in Python and/or PowerShell Qualifications: + Proven experience leading cybersecurity operations or platform teams in complex, distributed environments. + Deep understanding of modern security operations, platform lifecycle management, and automation frameworks. + Strong technical background in systems engineering, software development, or network architecture. + Demonstrated ability to manage cross-functional teams and drive operational improvements. + Excellent communication and stakeholder engagement skills. The expected base salary ranges from $111,000 - $180,000. 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. #LI-Hybrid 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