> Markdown version of [/jobs/ext/3278939-application-engineer](https://www.wearedevelopers.com/jobs/ext/3278939-application-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Engineer - **Company:** U.S. Navy - **Location:** Vienna, VA, United States - **Experience:** Expert - **Contract:** Internship / Graduate position - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Application Services, Systems Engineering, Microsoft Azure, Batch Processing, Unix, Customer Information Control System (CICS), Software as a Service, Cloud Computing, Cloud Engineering, COBOL (Programming Language), Cyber Security, Databases, Continuous Integration, Learning Management Systems, Extract Transform Load (ETL), IBM DB2, Relational Databases, Software Debugging, Middleware, IBM Parallel Sysplex, IBM System/360, Job Control Language (JCL), Rexx (Programming Language), Tivoli Management Framework, Spring Framework, Job Entry Subsystem 2/3, Mainframes, Message Broker, OAuth, Presentation Programs, Service Development Studio, Systems Integration, TCP/IP, Z/OS, Tso/ispf, Google Cloud, Cloud Platform System, Microsoft Power Automate, File-aid, Mainframe Programming, Event Driven Architecture, Data Lakes, Information Technology, Complex Event Processing, Enterprise Integration, Omegamon, Apache Kafka, Cloud Integration, Api Design, Restful APIs, Api Management, Serverless Computing, Mulesoft, Servicenow, Databricks, Microservices - **Published:** September 2, 2026 - **Apply:** https://www.dice.com/job-detail/fcbfa81c-645a-470f-b4c0-d58905a9ae66 ## About the Role * 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 Google Cloud Platform), 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. ## Description 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., * 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. ## Related Videos - [Unlocking the Power of the Mainframe: Developing modern applications on z/OS](https://www.wearedevelopers.com/videos/764-unlocking-the-power-of-the-mainframe-developing-modern-applications-on-z-os) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)