Senior Application Engineer (Mainframe)

Job-ID: 32981Category: Application EngineeringLocation: Vienna, VA, United States; Winchester, VA, United States; Pensacola, FL, United StatesWorkplace: HybridSchedule: Full time, Regular HoursPosted: 2026-10-20Closes: 2026-10-26Targeted Salary Range: $115,600 - $181,200 annuallyNavy 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.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 Qualifications Bachelor’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 221805510 Heritage Oaks Drive, Pensacola, FL 32526141 Security Drive, Winchester, VA 22602ResponsibilitiesPartner 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.About the companyNavy Federal provides much more than a job. We provide a meaningful career experience, including a culture that is energized, engaged and committed; and fierce appreciation for our teams, who are rewarded with highly competitive pay and generous benefits and perks.Our approach to careers is simple yet powerful: Make our mission your passion.FORTUNE100 Best Companies to Work For 2025Yello and WayUp Top 100 Internship ProgramsComputerworld Best Places to Work in ITNewsweek Most Loved Workplaces2025 PEOPLE Companies That CareNewsweek Most Trustworthy Companies in AmericaMilitary Times 2025 Best for Vets EmployersBest Companies for Latinos to Work for 2025Forbes 2025 America’s Best Large EmployersForbes 2025 America's Best Employers for New GradsForbes 2025 America's Best Employers for Tech Workers2025 RippleMatch Campus Forward Award Winner for Overall Excellence Military.com Top Military Spouse Employers 2025 2025 Handshake Early Talent AwardFrom Fortune. 2025 Fortune Media IP Limited. All rights reserved. Used under license. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of, Navy Federal Credit Union.Equal Employment Opportunity: All qualified applicants will receive consideration for employment without regard to age, race, sex, color, religion, national origin, disability, veteran status, pregnancy, sexual orientation, genetic information, gender identity or any other basis protected by applicable law.Accommodations: If you need accommodation or assistance for a qualifying condition to complete the online application (or during any stage of the hiring process), you can contact Navy Federal's Medical Accommodations team at View email address on click.appcast.io or by calling View phone number on click.appcast.io. This team cannot provide any information on job postings or application status.Disclaimers: Navy Federal reserves the right to fill this role at a higher/lower grade level based on business need. An assessment may be required to compete for this position. Job postings are subject to close early or extend out longer than the anticipated closing date at the hiring team’s discretion based on qualified applicant volume. Navy Federal Credit Union assesses market data to establish salary ranges that enable us to remain competitive. You are paid within the salary range, based on your experience, location and market position. For additional details regarding compensation and benefits, review the Benefits page of the Navy Federal Career Site.Protect Yourself from Job Scams: Navy Federal Credit Union jobs are posted on our career site, jobs.navyfederal.org and reputable job boards (e.g., LinkedIn, Indeed). We do not post jobs on social media marketplaces, messaging apps or unverified websites. We will never ask candidates for payment, bank details or personal financial information during the hiring process.Bank Secrecy Act: Remains cognizant of and adheres to Navy Federal policies and procedures, and regulations pertaining to the Bank Secrecy Act.