• work closely with a team of 8-15 people who are responsible for enhancing, evolving, and supporting large on-premise highly-available Electricity Market Management System (MMS) • contribute and lead advanced Power Systems Application software design, development, testing, integration and tuning to meet project and/or product commitments • mainly consist of developing power system features for Electric Utilities, Independent System Operators (ISOs) and Transmission System Operators (TSOs) • define, develop, and evolve software in a fast paced and agile development environment using the latest software development technologies and infrastructure • provide domain knowledge and/or technical leadership to a team of electricity markets application software engineers • lead and contribute to electricity market application development and ensure software delivery is on schedule, within budget and meets or exceeds customer expectations • mentor junior team members • interact with Product Development Team, Customers, Solution Providers (Partner / Integrators), and other cross-functional teams as required

• Develop and maintain an understanding of rod control systems used in existing and new boiling water reactors (BWRs). • Review and implement system based on requirements specifications developed based on customer requirements, technical regulations and industry standards. • Prepare and maintain system design artifacts such as logic diagrams, input/output (I/O) lists, equipment and cabinet layout diagrams or drawings, system elementary drawings, hardware wiring/connection diagrams, bills of material, various plans and reports, etc. • Perform and document technology assessment reports and/or trade studies supporting selection of hardware and software technologies for incorporation into rod control systems. • Prepare high-level software design documents describing software program architecture, inputs, transfer functions, algorithms, and outputs. • Perform hands on development, configuration and integration of prototype hardware and software for programmable logic controllers, industrial PC’s, and human-machine interfaces, and Distributed Control Systems • Configure signal conditioning electronics, motor controllers, motors, and network components. • Prepare proof-of-concept test procedures using system requirements and functional description. • Perform and document results of system proof-of-concept testing. • Develop and configure test equipment and simulators for software development and testing. • Support on-site system installation, acceptance, commissioning, and start-up testing. • Support identification, assessment, resolution, and corrective/preventive actions needed to address nonconformances and conditions adverse to quality. • Ensure compliance with GEH procedures/processes, nuclear regulations, applicable industry standards, and customer requirements.

Role Description This position is located in the Railroad Retirement Board's Bureau of Information Services. The incumbent will be responsible for serving as a team leader assigned to carry out advanced PC and Mainframe systems and development projects. This job announcement may be used to fill one or more vacancies. This is a bargaining unit position, represented by the Council of AFGE Locals in the Board. As a Senior Software Developer, you will: - Lead a team in carrying out advanced application development projects for PC and mainframe systems. - Create a project plan based on general instructions from the section supervisor. - Oversee all technical aspects of the projects, including the design and scope of individual programs, system testing, and implementation. - Coordinate team activities and prepare a project schedule, including assigning tasks, setting deadlines, and defining deliverables. - Track assignments and adjust tasks as needed to meet the schedule. - Work with the section supervisor as a spokesperson for the project, handling communications with the Bureau of Information Services (BIS) and user personnel. - Stay updated on the latest data processing design techniques and tools, including data design, online system design, database design, batch processing, development methods, standards, documentation techniques, and support software. Qualifications - Minimum Qualifications for GS-13 level: - One year of specialized experience equivalent to the GS-12 grade level in the Federal service. - Specialized experience is defined as: - Serving as the leader of a team assigned to carry out advanced PC and Mainframe systems development projects. - Providing advice and assistance to team members, answering questions, ensuring resolution of technical or requirement conflicts. - Coordinating the implementation of the system among all parties and serving as spokesperson for the project. - Developing the overall project plan, including scope, requirements, database design, system design, programming, testing, and implementation. - Application development proficiency using Software Development Lifecycle (SDLC), IBM z/OS mainframe systems, and COBOL applications. - All applicants qualifying based on experience must have IT-related experience demonstrating each of the four competencies listed below: - Attention to Detail: Ability to create and/or modify code which should be thorough and complete, fulfilling all requirements specified. - Customer Service: Provides development programming services to customers and interacts with them in the development and creation of applications. - Oral Communication: Ability to converse with customers to successfully derive, understand, and respond to customer requirements. - Problem Solving: Identifies missing or unclear system requirements and recognizes application problems, both in testing and production. Requirements - Only experience obtained by the closing date of this announcement will be considered. - Experience refers to paid and unpaid experience, including volunteer work done through National Service programs and other organizations. - You will receive credit for all qualifying experience, including volunteer experience.

• Design, build and ship well-tested features across our platform, with support from more senior engineers. • Take ownership of user stories from refinement through to production and post-release support. • Collaborate closely with Product and Design to understand problems and translate requirements into pragmatic technical solutions. • Write clean, maintainable code and contribute to improving code quality through reviews and refactoring. • Participate in incident investigation and support, helping to improve system reliability and observability over time. • Continuously develop your technical skills and broaden your understanding of the wider system. • Contribute positively to our engineering culture by sharing knowledge, asking questions, and supporting your teammates.