Modeling and Simulation Specialist

Job Description About us Esphera Concepts, established in 2007, is a Veteran-Owned Small Business that provides industry-specific subject-matter expertise in administrative management and general management consulting services. Our staff is comprised of experienced industry subject matter experts and recent college graduates, which produces a blend of highly qualified, motivated, and productive support service workforce. Position Description In this position, you will serve as an Esphera Concepts support service resource to the Department of Energy (DOE), National Nuclear Security Administration (NNSA), at the NA-12 Office of Stockpile Management and designated NA-12 sub-programs offices as support staff at the DOE Headquarters offices in Albuquerque, NM. This individual will serve as a senior technical contributor responsible for designing, developing, and sustaining advanced analytical software applications that directly support decision‑making, production planning, and strategic analysis across the National Nuclear Security Administration (NNSA). The role provides the technical backbone for mission‑critical tools—including applications such as Enterprise Capacity Analysis (ECA)—and supports long‑term supply‑versus‑demand assessments, scenario evaluations, and enterprise‑wide planning activities. This position requires an experienced software engineer with a strong background in Python‑based analytical application development, data engineering, database interaction, and user‑facing analytical interfaces. The ideal candidate excels at transforming analytical workflows into maintainable, scalable, and secure production software. The individual will collaborate extensively with federal and support staff, analysts, and leadership across the Nuclear Security Enterprise (NSE) to define requirements, improve analytical tools, and deliver sustainable software solutions that strengthen enterprise decision support. The successful candidate will integrate domain‑specific modeling and analytical concepts into robust software systems, enabling analysts and senior leadership to rapidly explore data, compare scenarios, and generate actionable insights. The work directly supports national defense objectives by improving the quality, reliability, and accessibility of enterprise analytical capabilities. Duty 1 Name: Software Architecture, Application Development, and Sustainment Description: Designs, develops, and maintains complex, Python‑based analytical applications that support decision‑making, reporting, and long‑term enterprise planning. Leads the development of scalable architecture, modular codebases, and maintainable application components. Implements secure software engineering practices, version control, testing frameworks, and code review processes to ensure high reliability, usability, and long‑term sustainability. Serves as the primary software engineer for enterprise tools such as the Enterprise Capacity Analysis (ECA) application and related analytical platforms. Percentage: 30 Duty 2 Name: Data Engineering, Database Interaction, and Analytical Workflows Description: Builds and maintains data ingestion, transformation, validation, and integration pipelines that support analytical applications. Develops and optimizes SQL queries, relational database schemas, and data access patterns to support performance‑critical workloads. Ensures data structures and workflows align with evolving analytical and programmatic requirements across the nuclear security enterprise. Percentage: 30 Duty 3 Name: Analytical Interfaces, Dashboards, and Visualization Tools Description: Develops user‑facing analytical interfaces, dashboards, visualizations, and interactive tools that help analysts and leadership understand complex datasets, review model outputs, assess scenarios, and generate insights. Designs intuitive interfaces using Python‑based frameworks and visualization libraries to translate analysis into actionable information for decision‑makers. Ensures application usability, accessibility, and responsiveness. Percentage: 25 Duty 4 Name: Programmatic Support and Collaboration Description: Supports program planning, evaluation, and performance tracking by conducting cost, schedule, and ris #J-18808-Ljbffr Esphera Concepts LLC