Aerospace Engineer Level IVKBR's National Security Solutions team provides high‑end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this role you will have a profound impact on the country's most critical mission – protecting our national security.Position OverviewThe Aerospace Engineer Level IV provides advanced technical expertise in the design, analysis, and integration of aerospace and space systems supporting U.S. Government programs. The role is responsible for developing vehicle configurations, conducting multidisciplinary analyses, and supporting system development across the full lifecycle—from concept through flight and mission operations.Key ResponsibilitiesDesign, analyze, and evaluate aerospace vehicle configurations to meet mission requirements.Conduct system and subsystem trade studies across propulsion, structures, thermal, GNC, RF, power, and payload.Perform aerodynamic, thermal, and structural analyses using industry-standard tools.Develop and simulate aerospace system models and prototypes.Support development and testing of prototype hardware in emerging technical areas.Define and allocate program‑level requirements and ensure traceability.Support integration, test, and evaluation (I&T) activities.Interface with multidisciplinary teams to ensure system‑level performance.Prepare and present technical briefings and documentation.Support mission planning and system architecture development.Basic QualificationsBachelor's degree in Aerospace Engineering or related discipline (Master's preferred).8–12+ years of aerospace engineering experience.Experience with aerospace system design, analysis, and modeling.Proficiency with engineering tools (MATLAB, ANSYS, NASTRAN, CFD tools).Experience performing trade studies and performance analysis.Familiarity with spacecraft, launch vehicles, or high‑speed systems.Experience supporting government programs.Active Secret clearance.Preferred QualificationsActive TS/SCI clearance.Experience with flight hardware development and testing.Knowledge of hypersonic or advanced aerospace systems.Familiarity with MBSE or digital engineering tools.Leadership or task‑level management experience.ClearanceActive Secret Required (TS/SCI Preferred or Eligible)Work EnvironmentOn‑site/hybrid environment supporting government labs, integration facilities, and offices with occasional travel to test and launch sites.Basic Compensation$154,000 - $211,700 (Washington DC area only). Offer based on selected candidate's knowledge, skills, abilities and/or experience and internal parity.Additional CompensationPossibility of bonuses, commissions, sign‑on bonus, relocation benefits, short‑term incentives, long‑term incentives, or discretionary payments for exceptional performance, per internal policy or contractual designation.Equal OpportunityKBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.#J-18808-Ljbffr