Infrastructure Specialist

Sumitomo Mitsui Banking CorporationJersey City, NJ
Hybrid

About The Position

We are seeking an Associate-level Infrastructure & Engineering Specialist to support mission-critical Global Markets Sales & Trading platforms within a global financial institution. This role combines hands-on infrastructure engineering, environment management, production support, and project delivery responsibilities. The successful candidate will work closely with Global Markets Sales & Trading teams in the Americas while collaborating with Tokyo-based development teams and local technology teams to ensure the stability, security, and availability of business-critical platforms. The position requires active participation throughout the application lifecycle, including infrastructure delivery, testing support, production deployment, post-release maintenance, incident response, and operational support. Candidates must be based in New York or New Jersey and possess business-level proficiency in both Japanese and English.

Requirements

  • 7+ years of experience in Infrastructure Engineering, Platform Engineering, Systems Engineering, or related technology roles.
  • Experience working within financial services or other highly regulated industries.
  • Experience supporting production systems and business-critical applications.
  • Experience participating in large-scale IT projects as an infrastructure or platform engineering team member.
  • Understanding of system lifecycle management, including Development, QA, UAT, DR, and Production environments.
  • Familiarity with operational support, incident management, problem management, and change management processes.
  • Understanding of security, audit, and regulatory requirements applicable to enterprise IT environments.
  • Strong troubleshooting and analytical problem-solving skills.
  • Demonstrated ability to take ownership of issues and proactively drive resolution.
  • Ability to work effectively in a customer-focused environment and respond flexibly to changing business priorities.
  • Strong communication and stakeholder management skills.
  • Business-level spoken and written Japanese and English (mandatory).

Responsibilities

  • Support infrastructure and environment delivery for mission-critical Global Markets Sales & Trading platforms.
  • Manage and maintain Development, QA, UAT, Disaster Recovery, and Production environments.
  • Assist with infrastructure planning, implementation, and operational readiness activities.
  • Support platform scalability, reliability, security, and performance requirements.
  • Provide production and BAU support for business-critical systems.
  • Investigate and troubleshoot infrastructure and environment-related incidents.
  • Coordinate issue resolution across development, infrastructure, security, and vendor teams.
  • Support post-release maintenance activities and production stabilization efforts.
  • Participate in operational monitoring and proactive problem management.
  • Act as a technical liaison between business users, local technology teams, and Tokyo-based development teams.
  • Support Global Markets Sales & Trading users by facilitating issue resolution and infrastructure-related requests.
  • Communicate technical issues, risks, and remediation plans to stakeholders across multiple regions.
  • Support release planning, production deployments, and go-live activities.
  • Assist in validating infrastructure readiness for new releases and enhancements.
  • Participate in disaster recovery testing and business continuity exercises.
  • Support smooth transition of projects into ongoing production support.
  • Implement and maintain infrastructure controls aligned with security, regulatory, audit, and compliance requirements.
  • Support access management processes and environment governance activities.
  • Assist with audit inquiries, risk remediation activities, and regulatory reviews as required.
  • Participate in a rotational on-call schedule for after-hours and weekend production incidents.
  • Support weekend production releases and maintenance activities.
  • Participate in disaster recovery testing activities conducted on weekends.
  • Attend meetings with Japan-based teams during Japan business hours several times per week.
  • Provide support for high-priority incidents impacting Global Markets business operations when required.
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