Title:Senior GeophysicistBelong. Connect. Grow. with KBR! Around here, we define the future.We are a company of innovators, thinkers, creators, explorers, volunteers, and dreamers. But we all share one goal: to improve the world responsibly and safely.KBR has a dynamic opportunity for professional growth! We are looking for a Senior Geophysicist to provide scientific and engineering support to the Air Force Technical Applications Center (AFTAC), located on Patrick SFB, FL. AFTAC’s vital mission is to operate and maintain the U.S. Atomic Energy Detection System (USAEDS) to monitor compliance with nuclear treaties and detect nuclear explosions underground, underwater, in the atmosphere, and in space.***Must be a US Citizen******Must have a fully adjudicated (not an interim) Top Secret clearance with SCI eligibility***Relocation assistance may be available for qualified candidates.RESPONSIBILITIES:Apply advanced geophysical and seismological principles to directly support AFTAC’s global nuclear explosion monitoring mission.Analyze complex waveform data from seismic, hydroacoustic, and infrasound networks to detect, locate, and characterize potential nuclear events.Develop, evaluate, and implement advanced methodologies to lower event detection thresholds and improve discrimination between natural geophysical activity (e.g., earthquakes) and artificial explosions.Collaborate with government scientists, analysts, and interdisciplinary teams to deliver comprehensive technical reports, scientific briefings, and analytical tools that support nuclear treaty monitoring objectives.EDUCATION:Ph.D. in Geophysics, OR a Master's degree in Geophysics (or a related discipline) with professional experience equivalent to a Ph.D.DESIRED QUALIFICATIONS:Minimum of 15 years of relevant experience performing tasks related to global geophysical monitoring, seismology, or infrasound/acoustic analysis.Proven track record of integrating existing prototype scientific products into operational mission capabilities.Experience utilizing machine learning techniques for signal detection, event association, and/or event discrimination.Experience in software development utilizing Large Language Models (LLMs).Advanced competency in mathematics, physics, and/or statistics, alongside a strong scientific background in wave propagation and geophysical signal analysis.Strong interpersonal and communication skills to successfully collaborate within a multidisciplinary team of scientists and military personnel.Experience working within a government Sensitive Compartmented Information Facility (SCIF).At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to an ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR Benefits KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. Click here to learn more: KBR Benefits New | KBR Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. KBR 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.