Senior Geophysicist

Trinzic; Florida; On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401K with company match

Medical insurance

Dental insurance

Vision benefits

Disability insurance

Job summary

KBR has a dynamic opportunity for a Senior Geophysicist to support the Air Force Technical Applications Center (AFTAC) at Patrick Space Force Base, FL. The role focuses on global nuclear explosion monitoring using geophysics, seismology, and ML-enabled analysis.

Requirements include US citizenship, a Top Secret clearance with SCI eligibility, and a Ph.D. in Geophysics (or Master’s with equivalent experience). Relocation assistance may be available.

Qualifications

• Ph.D. in Geophysics, OR a Master’s in Geophysics with experience equivalent to a Ph.D.
• Minimum of 15 years of relevant global geophysical monitoring experience.
• US citizenship with fully adjudicated Top Secret clearance with SCI eligibility.
• Experience integrating prototype scientific products into operational capabilities.
• Experience with machine learning for signal detection and event discrimination.

Responsibilities

• Apply advanced geophysical and seismological principles to support AFTAC mission.
• Analyze waveform data from seismic, hydroacoustic, and infrasound networks to detect events.
• Develop methodologies to lower event detection thresholds and improve discrimination.
• Collaborate with government scientists to deliver technical reports and tools.

Skills

Geophysics

Seismology

Wave propagation

Machine learning

LLMs

Data analysis

Team collaboration

Education

Ph.D. in Geophysics

Tools

Python

MATLAB

SCIF experience

Job description

Senior Geophysicist

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Belong. 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. 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's philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

LOCATION: Patrick Space Force Base, FL, USA

Job Description

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.

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).

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 KBR

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, and ongoing journey toward being a People First company. That commitment is central to our 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.