> Markdown version of [/jobs/ext/3844561-project-mpi-psim-apds-java-developer-security-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3844561-project-mpi-psim-apds-java-developer-security-engineer-ii). 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). --- # Project MPI/PSIM/APDS Java Developer Security Engineer II - **Company:** Deloitte T.T.L. - **Location:** United States - **Experience:** Experienced - **Salary:** $91,100.0 - $193,600.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Configuration Management, Code Review, IBM WebSphere DataPower SOA Appliances, Identity and Access Management, Routing, Regression Testing, Secure Coding, Extensible Markup Language (XML), Data Processing, Data Management - **Published:** October 20, 2026 - **Apply:** https://apply.deloitte.com/en_US/careers/Login?jobId=371822 ## About the Role * Ability to work independently and collaborate as part of a team * Effective written and verbal communication skills * Meticulous attention to detail and quality of work product * Ability to build and sustain professional relationships * Ability to lead projects or workstreams * Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment * Strong interpersonal skills and professional demeanor * Ability to meet deadlines * Ability to provide clear guidance to others, Required: * Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future * Must be able to obtain and maintain the required clearance for this role * Ability to travel 10-15%, on average, based on the work you do and the clients and industries/sectors you serve * 2-3+ Years of Experience with the following: * Developing and debugging Java-based application components. * Utilizing Agile software development methodology. * Conducting Java functional validation, including unit, integration, and regression testing. * Developing or supporting IBM DataPower integrations using Extensible Markup Language (XML) interfaces, routing, transformations, and error handling. * Following secure development, configuration-management, and change-management procedures. Preferred: * Bachelor's Degree * Experience developing Java-based data-processing applications. ## Description As a Project MPI/PSIM/APDS Java Developer Security Engineer II on the Security Engineering team, you will be responsible for… * Develop and maintain Java-based PSIM, APDS, and MPI components, features, services, interfaces, and integrations. * Analyze requirements, technical specifications, interface definitions, and data flows; implement enhancements, bug fixes, and technical improvements in collaboration with senior developers and technical leads. * Create and execute unit, integration, regression, and performance tests; investigate defects, perform root-cause analysis, implement fixes, and validate corrective actions. * Support application and integration work across identity and access management (IAM), master data management (MDM), the ID Toolkit, partner systems, and IBM DataPower, including Extensible Markup Language (XML) interface configuration, routing, transformations, error handling, and device-change testing. * Participate in code reviews, release planning, deployments, patching, upgrades, configuration changes, production troubleshooting, documentation, and secure development, configuration-management, and change-management practices.