Application Engineer

Overview

To research, evaluate, design, implement, and maintain system and product solutions, applying knowledge of engineering principles. To provide technical direction and engineering support for projects and infrastructure. Develop and maintain expert functional knowledge of evolving IT engineering industry technologies/competition, concepts and trends. Lead and own complex projects or workstreams with limited supervision. Provide technical leadership to provide robust end-to-end solutions. Lead the delivery of computing services and the duties associated with cloud deliveries such as designing, planning, administering, developing, or maintaining applications in cloud-based environments. Lead the delivery and support of mainframe computing services, including designing, implementing, automating, administering, and maintaining highly available z/OS-based applications and platform solutions.

This position is eligible for the TalentQuest employee referral program. If an employee referred you for this job, please apply using the system-generated link that was sent to you.

Responsibilities

• Provide technical leadership to the aligned agile teams within the agile release train (ART)

• Establish and lead project teams

• Develop project plan/scope/schedule/cost/communications

• Procure and/or manage resources/timelines/deadlines/quality

• Risk, Issue and Change management

• Ensure successful project implementation

• Scope of responsibility - Broad scope

• Actively contributing to SAFe Agile ceremonies and artifacts

• Design and implement cloud-based integration patterns using tools such as MuleSoft, Kafka, Azure integration Services

• Designing and maintaining scalable architecture, designing and coding application solutions; integrating changes with other NFCU/vendor systems, and implementing vendor SaaS solutions.

• Support and contribute to the cloud migration and platform modernization roadmap for Consumer Lending

• Collaborate with platform architects to define and implement event-driven architectures, microservices, and CI/CD pipelines

• Collaborate with mainframe platform and application engineers to define and implement automation, orchestration, recovery, restart, monitoring, and operational support patterns across z/OS subsystems and middleware.

• Document new system components, or modifications to existing components

• Design and implement highly available mainframe application and platform solutions in accordance with Navy Federal standards, including integration patterns connecting mainframe, cloud, distributed, and vendor systems.

• Partner with technology teams to identify and reengineer processes as applications and services onboard to or integrate with the mainframe platform.

• Develop, maintain, debug mainframe programs, jobs, procs as needed

• Analyze, modify, create new COBOL, JCL, SORT, Assembler, REXX, DB2 codes using Changeman management tool

• Use mainframe/TSO debugging tools (FileAid, $avers, JCLPLUS, Omegamon) to provide technical support to identify and resolve issues involving mainframe components

• Create or modify new or existing job schedules using ESP

• Create tickets (change ticket, DTAs, serviceNow) as needed

• Develop and maintain thorough mainframe technical documentation, including system diagrams, automation definitions, operational procedures, dependencies, and recovery processes.

• Ensure the security and integrity of system and product solutions including compliance with Navy Federal, industry engineering and Information Security principles and practices

• Perform engineering tasks and assignments in support of business needs

• Perform engineering technology research, procurement, deployment, and configuration for new and modified systems

• Lead efforts to automate and orchestrate repeatable mainframe administration and application support tasks, improving reliability, reusability, and operational efficiency.

• Provide technical leadership in the architecture discipline and development of information technology solutions

• Present clear, organized and concise information to all audiences through a variety of media to enable effective business decisions

• Perform other duties as assigned

• Providing level 3 (development tier) support, troubleshooting and resolving application/solution incidents

• Provide Level 3 support for mainframe applications and platform integrations, including investigation and resolution of availability, performance, batch, middleware, automation, and production incidents.

• Participate in an on-call rotation, as required, to support high-availability mainframe and integrated application services.

• Provide input for estimation and delivery timeline recommendations including staffing needs

• Ensuring the security and integrity of system and product solutions including compliance with Navy Federal, industry engineering and Information Security principles and practices.

Qualifications

• 8-10 years of experience as a cloud or integration engineer in complex enterprise environment

• Hands-on experience with Java, Spring, MuleSoft, RESTful APIs, OAuth 2.0, and message brokers and overall REST API Service development.

• Hands-on experience with mainframe technologies such as JCL, REXX, TSO/ISPF, SDSF, CICS, Db2, IMS, JES2/JES3, MQ, TCP/IP, and z/OS UNIX System Services (USS/OMVS).

• Experience with IBM System Automation for z/OS and IBM NetView, including administration, configuration, policy-driven automation, automation tables, message automation, command lists, event processing, resource dependencies, and automation routines.

• Proficient in cloud platforms (Azure, AWS, or GCP), especially with managed integration services (e.g., Azure Functions, Logic Apps, API Management, Event Grid)

• Experience integrating mainframe applications and automation with cloud, distributed, monitoring, event management, IT service management, and API-based solutions.

• Experience in deploying and maintaining production systems

• Experience supporting highly available mainframe production systems, including recovery, restart, health monitoring, workload scheduling, batch processing, and self-healing automation.

• Knowledge of Parallel Sysplex environments, IBM Workload Scheduler (IWS/TWS/ZWS), and cross-system automation concepts.

• Advanced organizational, planning and time management skills

• Advanced skill exercise initiative and using good judgment to make sound decisions

• Expert database and presentation software skills

• Expert research, analytical, and problem-solving skills

• Expert verbal and written communication skills

• Bachelor’s degree in computer science, Information Technology or the equivalent combination of training, education, and experience

• Experience engineering, supporting, or integrating applications in complex enterprise mainframe environments, including IBM z/OS and z/Series platforms.

Desired Qualifications:

• Master’s degree in computer science, Information Technology, or related degree.

• Experience designing, implementing, and supporting cloud and cloud native, LOS, LMS systems.

• Exposure to Databricks or other data lake platforms

• Business domain experience in consumer and business lending origination, servicing, and delivery.

• AI experience.

• Experience and knowledge of relational databases, data modeling, and ETL tools.

Additional Information

Hours:

• Monday - Friday, 8:00AM - 4:30PM

Location:

• 820 Follin Lane, Vienna, VA 22180

• 5510 Heritage Oaks Drive, Pensacola, FL 32526

• 141 Security Drive, Winchester, VA 22602

About Us

Navy 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.

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• 2025 RippleMatch Campus Forward Award Winner for Overall Excellence

• Military.com Top Military Spouse Employers 2025

• 2026 Handshake Early Talent Award

• Newsweek America’s Greatest Workplaces for Culture, Belonging and Community 2026

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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.

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