Senior Systems Engineer

Position Function: Designs, implements, administers, and supports the Bank's enterprise server and application platforms, with primary responsibility for operating systems, application hosting, middleware, identity, endpoint management, Microsoft 365 administration, certificates, and related enterprise services. The role is oriented toward systems and application engineering rather than ownership of physical infrastructure, which is primarily delivered through infrastructure-as-a-service providers. Serves as a senior technical subject matter expert and escalation point for complex server, application, authentication, certificate, deployment, performance, and integration issues. Leads technical design and implementation for new or upgraded systems, application platforms, and enterprise services; develops repeatable deployment and administration standards; and ensures solutions are secure, resilient, supportable, monitored, and well documented. Performs all duties and interacts with internal and external customers in a manner aligned with the Company's Core Values of Voyaging Spirit and Positively Ohana; Customer Experience Competencies of Customer Interaction, Empowerment and Ownership; and Basic Skills of Listening, Oral Communication, Written Communication, Action Orientated, Thoroughness, Problem Solving. Primary Accountabilities: Server and Operating System Engineering and Administration Designs, builds, configures, upgrades, patches, hardens, and administers Windows Server and, where applicable, Linux server operating systems supporting enterprise applications and services. Administers core Windows services including Active Directory, Group Policy, DNS, DHCP, service accounts, scheduled tasks, file services, and related authentication and authorization dependencies. Plans server and operating-system lifecycle activities including capacity requirements, version upgrades, migrations, decommissioning, technical standards, and production implementation plans. Performs advanced troubleshooting of server availability, performance, authentication, operating-system, service, and dependency issues and leads root-cause analysis for recurring or high-impact problems. Coordinates with infrastructure-as-a-service providers for compute, storage, backup, virtualization, and data-center services and validates that delivered infrastructure meets application and operational requirements. Application Platform, Deployment and Certificate Administration Designs, implements, configures, and administers application hosting and middleware platforms such as Microsoft IIS, web/application servers, Windows services, Java/JBoss/WildFly or comparable runtimes, scheduled jobs, and supporting application components. Leads application and infrastructure-software deployments across development, test, disaster-recovery, and production environments, including prerequisite validation, configuration, release coordination, implementation, rollback, and…