Senior Application Engineer (Mainframe)

Job TitleSoftware DeveloperJob DescriptionNavy Federal Credit Union currently does not provide sponsorship for this role. Applicants must be authorized to work in the United States without the need for current or future sponsorship. Support software development and organizational initiatives by designing, implementing, enhancing, and maintaining systems and applications. The role partners with business units and technology teams to translate business needs into cost-effective solutions aligned with corporate strategies, with a focus on mainframe core banking, FIS Systematics, and Cloud Core data integration activities.ResponsibilitiesPartner with business units to identify and document business needs, objectives, functions, features, inputs, and outputs. Analyze, define, and document requirements for data, workflows, logical processes, operating environments, system interfaces, controls, and outputs. Create and maintain system documentation, diagrams, database information, input/output record layouts, and program views. Participate in Cloud Core data mapping and related integration activities. Analyze, develop, and test COBOL and CICS programs. Design, code, test, debug, implement, and maintain complex mainframe programs and applications. Troubleshoot issues occurring in mainframe online and batch processes. Analyze and troubleshoot FIS Systematics Relationship Manager (RM). Work with FIS Systematics GN components, including SDR, TBR, ICR, and TCR. Apply basic REST API knowledge when supporting system interfaces and integration activities. Prepare test data and apply established testing techniques to validate system changes and application functionality. Revise and refine programs as functional and system requirements change. Participate in application testing, implementation, production support, monitoring, and ongoing maintenance. Develop and maintain documentation covering program logic, code, testing, changes, and corrections. Provide technical support to internal customers and assist with training peers and Software Quality Assurance staff. Prioritize and organize work while operating independently with moderate guidance and collaborating effectively as part of a team. Perform other duties as assigned.QualificationsMinimum of 8 years of hands-on mainframe development experience using COBOL, CICS, DB2, JCL, VSAM, Batch processing, and TSO/ISPF. Hands-on experience with FIS Systematics Relationship Manager (RM) and GN. Ability to analyze, develop, test, debug, and maintain COBOL and CICS programs. Ability to troubleshoot issues in mainframe online and batch processing environments. Ability to analyze and troubleshoot Systematics RM. Knowledge of Systematics GN and ability to work with GN components, including SDR, TBR, ICR, and TCR. Basic knowledge of REST APIs and system integration concepts. Strong technical coding skills with a demonstrated record of following established processes and development standards. Demonstrated experience in systems analysis and design, workflow analysis, and application development. Strong understanding of the Software Development Life Cycle (SDLC) and established testing practices. Advanced research, analytical, troubleshooting, and problem-solving skills. Ability to prioritize, plan, and organize tasks; exercise initiative and sound judgment; and work independently and collaboratively. Effective interpersonal, verbal, and written communication skills.Desired QualificationsBachelor's degree in information technology, computer science, or a related field, or equivalent professional experience. Experience supporting FIS Systematics core banking products, including IMPACS (IM), Savings/Time (ST), Advanced Lending Solutions (ALS), Combined Statements (SC), Relationship Manager (RM), and GN. Experience with FIS ADS Now/Batch to synchronize external data sources from VSAM datasets. Experience with Agile delivery methods, including Scrum, Kanban, SAFe, and Agile Release Trains (ARTs). Experience with Serena ChangeMan ZMF for source packaging and management. Development experience with IBM mainframe Assembly language, including the Concept 14 macro add-on product. Recent experience supporting Navy Federal mainframe core banking systems or comparable systems at another financial institution. Demonstrated project leadership experience. Working knowledge of HP Project Portfolio Management (PPM), banking operations and procedures, and Navy Federal business processes.Additional InformationHours: Monday - Friday, 8:00AM - 4:30PM (Occasional after-hours support for production deployments) Location: 820 Follin Lane, Vienna, VA 22180 5510 Heritage Oaks Drive, Pensacola, FL 32526 141 Security Drive, Winchester, VA 22602Job InfoJob Identification 32981 Job Category Application Engineering Posting Date 10/20/2026, 01:33 PM Apply Before 10/26/2026, 03:59 AM Degree Level No Formal Education Job Schedule Full time Job Shift Regular Hours Targeted Salary Range $115,600 - $181,200 annually