Amentum Welcomes Shaun Jacobson as Vice President for Nuclear Strategy and Growth
CHANTILLY, Va.; July 13, 2025 – Amentum, a global leader in advanced engineering and innovative technology solutions, recently announced the addition of Shaun Jacobson to its team. Shaun joins Amentum as vice president of Nuclear Strategy and Growth in the North America region where he brings 25+ years of power generation experience spanning nuclear, natural gas, and renewable energy with a majority of his career focused on nuclear operations, engineering, licensing, quality and strategic business development. He has established a strong reputation in the commercial nuclear energy sector with deep technical expertise in advancing the future of nuclear energy.
“Shaun’s expertise in the power industry with advanced nuclear plant build and operations, including large gigawatt reactors and small modular reactors, will bolster Amentum’s commitment to delivering cutting-edge solutions to its clients across the nuclear sector,” said Mark Whitney, president of Amentum’s Energy and Environment business. “His extensive experience and forward-thinking approach will be invaluable as we continue to expand our nuclear capabilities and build trust with the utilities, hyperscalers, investors, regulators, clients and other partners.”
Shaun’s proven track record as an entrepreneur and in leading large complex multibillion-dollar power projects and driving innovative initiatives aligns with Amentum’s mission to grow in the expanding nuclear market.
John Eschenberg, senior vice president and leader of the Amentum Nuclear Center of Excellence expressed his enthusiasm about Shaun joining Amentum. “Shaun’s nuclear experience as a reactor operator, developer, nuclear test engineer, reactor engineer and licensing professional will strengthen our team across the entire nuclear lifecycle. His commercial nuclear experience will be invaluable as we participate in the worldwide nuclear resurgence.”
About Amentum
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have more than 53,000 employees in approximately 80 countries.
Visit us at amentum.com to learn how we advance the future together.
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Media Contact:
Keith Wood
