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Core Systems Administrator

Island Credit Union

Hauppauge, NY · Posted October 15, 2026

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About the job

SUMMARY:

The Core Systems Administrator is responsible for the administration, maintenance, support, and optimization of the credit union's core banking platform and integrated systems. This role ensures the reliability, security, and performance of critical business applications that support member services, reporting, and operational functions. This role requires strong communication skills and the ability to work independently and as part of a Team.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

Administer, maintain, and support the Credit Union Core Banking and related applications.

Configure system parameters, products, workflows, user roles, and security settings.

Develop and maintain reports, dashboards, queries, and data extracts to support operational and management reporting data utilizing Power BI, Crystal Reports, and other reporting tools.

Monitor system performance, identify issues, and implement corrective actions to ensure system reliability and availability.

Manage the Credit Union Data Warehouse server and third-party integrations.

Knowledge of SQL Server, database administration, and backup schedules.

Work with vendors to establish connectivity and security of data in transit.

Support business continuity and disaster recovery testing activities.

Manage user access administration and system security controls in accordance with organizational policies.

Assist and support the virtual server and SAN environment, including hardware, software upgrades, security protocols, patches, high availability, security appliances, and maintenance.

Work closely with the credit union personnel to support reporting requirements and implement new project initiatives.

Assist with data extraction, data validation, and business intelligence initiatives.

Ensure adherence to security policies, audit requirements, NCUA regulations, and internal controls

Assist and support all internal credit union clients and helpdesk operations.

Strong ability to troubleshoot and diagnose issues promptly and independently and report all major issues to the VP of Technology and Core Systems Manager.

KNOWLEDGE, SKILLS, AND ABILITIES :

Strong analytical and problem-solving skills with the ability to diagnose and resolve complex system issues.

Proficiency in report development, data analysis, and dashboard creation.

Ability to configure, maintain, and troubleshoot business-critical applications and interfaces.

Strong project management and organizational skills, with the ability to coordinate multiple initiatives simultaneously.

Excellent written and verbal communication skills for interacting with staff, management, vendors, and auditors.

Technical documentation and process development skills.

Experience managing vendor relationships and support cases.

Ability to develop and deliver end-user training

Knowledge of database concepts, SQL querying, reporting tools, and data management practices.

Knowledge of system integration methods, APIs, file transfers, and third-party vendor interfaces.

Knowledge of Microsoft 365 applications, Power BI, and enterprise business systems

EDUCATION AND EXPERIENCE:

Bachelor’s degree or equivalent experience.

Minimum of 3-5 years of experience in reporting systems, databases, and system administration.

SQL Server, Power BI, Crystal Reports, Data Analytics, Validation, Extracts, Customization, Data warehouse, and third-party applications.

Server administration, security, third-party integrations, and connectivity

Core Banking applications