Amentum
A global engineering and technical services contractor active across DOE weapons complex cleanup, national laboratory support, and government services contracts.
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Cleanup & Remediation
Wrap Up: Amentum opens HQ in Oak Ridge; Hanford’s old water plant demo starts; Deep Isolation gets Texas permit; more
With dignitaries such as U.S. Rep. Chuck Fleischmann (R-Tenn.) on hand, Amentum Thursday formally opened what it calls its Global Nuclear headquarters in Oak Ridge, Tenn. The offices at 151 Lafayette Drive will house more than 150 staff and serve as a hub for Amentum’s international nuclear operations as well as providing the company a […]
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Contracts & Procurement
Amentum JV picked as ‘preferred supplier’ for UK Sellafield project
Amentum’s joint venture was selected by United Kingdom-based Sellafield for a contract worth up to $2.78 billion (£2.1 billion) to be a “preferred supplier” for an asset care program. A preferred supplier agreement is a legal contract between a vendor and company that essentially selects the vendor as the company’s primary choice for a selected […]
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Contracts & Procurement
Earnings rise, revenue down at Amentum
Earnings rose at Amentum, Chantilly, Va., in the third quarter of fiscal 2026 although its near-term revenue dipped from contract protest delays and other factors. That is according to Amentum’s Aug. 10 earnings release. Net earnings for the quarter ended July 3 were $66 million, or $0.27 a share, up from $10 million, or $0.04 […]
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Cleanup & Remediation
Mooney joins Amentum as biz development VP
Thomas Mooney, a manager experienced in the public and private sectors, joined Amentum in August as a vice president for business development, according to his LinkedIn profile. Mooney comes to Amentum from Parsons Corp., where he was a business development director since January 2023. Before that he was a strategic account manager for Leidos. Prior […]
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Contracts & Procurement
Four Rivers Nuclear to receive extension into 2030
The Department of Energy’s Office of Environmental Management plans to keep on Amentum-led Four Rivers Nuclear Partnership as the remediation contractor at the Paducah Site in Kentucky through September 2030. In an online notice of intent posted this week, DOE’s Portsmouth/Paducah Project Office said it plans to modify the existing Deactivation and Remediation contract to […]
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Advanced Nuclear & SMRs
Westinghouse, Amentum to collaborate, build out more AP1000, AP300 reactors
Westinghouse and Amentum signed a series of agreements aimed at advancing fleet-scale deployment of Westinghouse’s reactor technologies, the companies said Tuesday. According to Westinghouse’s press release, the agreements enable the two companies to work together to develop Westinghouse’s large-scale reactor, AP1000, and small modular reactor (SMR), AP300. Westinghouse’s APX strategy will focus on near-term global […]
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Contracts & Procurement
Four Rivers Nuclear to receive extension into 2030
The Department of Energy’s Office of Environmental Management plans to keep on Amentum-led Four Rivers Nuclear Partnership as the remediation contractor at the Paducah Site in Kentucky through September 2030. In an online notice of intent posted this week, DOE’s Portsmouth/Paducah Project Office said it plans to modify the existing Deactivation and Remediation contract to […]
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Advanced Nuclear & SMRs
Westinghouse, Amentum to collaborate build out more AP1000, AP300 reactors
Westinghouse and Amentum signed a series of agreements aimed at advancing fleet-scale deployment of Westinghouse’s reactor technologies, the companies said Tuesday. According to Westinghouse’s press release, the agreements enable the two companies to work together to develop Westinghouse’s large-scale reactor, AP1000, and small modular reactor (SMR), AP300. Westinghouse’s APX strategy will focus on near-term global […]
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Naval Nuclear Propulsion
Amentum lands $85M in Navy propulsion work
Chantilly, Va.- based Amentum said July 23 it has won a contract, worth $85 million spread over three years, to design and overhaul key infrastructure for the U.S. Navy’s Nuclear Propulsion Program. The work will take place at the Naval Reactors Facility located at the Department of Energy’s Idaho National Laboratory, according to an Amentum […]
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Data Centers & Energy Demand
Feds pick Amentum to potentially develop Savannah River Site data center
Amentum has been selected by the Department of Energy’s semiautonomous National Nuclear Security Administration (NNSA) to negotiate a lease for a data center at the Savannah River Site in South Carolina, the organizations said Monday. NNSA picked Amentum to enter into “phased” lease negotiations for a data center and accompanying on-site generation, NNSA and Chantilly, […]
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Data Centers & Energy Demand
NNSA picks Amentum to potentially develop Savannah River data center
Security Administration (NNSA) to negotiate a lease for a data center at the Savannah River Site in South Carolina, the organizations said Monday. NNSA picked Amentum to enter into “phased” lease negotiations for a data center and accompanying on-site generation, NNSA and Chantilly, Va-based Amentum said in a July 20 press release. NNSA said it […]
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Cleanup & Remediation
Ex-employee files harassment suit against Hanford boss; Bechtel named as defendant
An ex-apprentice electrician at the Hanford Site’s Waste Treatment Plant in Richland, Wash., has filed a sexual harassment lawsuit in federal court against her former foreman and companies in charge of the facility. Madalyn Jennings, of Yakima County, filed the litigation last month in the U.S. District Court for the Eastern District of Washington. Jennings […]
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Contracts & Procurement
Amentum earnings rise thanks to favorable trends
Earnings rose at Amentum, Chantilly, Va., in the second quarter of fiscal 2026, which the engineering and technology company attributed to favorable trends in its key business lines. Amentum announced its earnings in a Monday press release, followed by a conference call with Wall Street analysts Tuesday morning. Net earnings for the quarter ended April […]
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Contracts & Procurement
Amentum earnings rise thanks to favorable trends
Earnings rose at Amentum, Chantilly, Va., in the second quarter of fiscal 2026, which the engineering and technology company attributed to favorable trends in its key business lines. Amentum announced its earnings in a Monday press release, followed by a conference call with Wall Street analysts Tuesday morning. Net earnings for the quarter ended April […]
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Contracts & Procurement
Amentum earnings rise thanks to favorable trends
Earnings rose at Amentum, Chantilly, Va., in the second quarter of fiscal 2026, which the engineering and technology company attributed to favorable trends in its key business lines. Amentum announced its earnings in a Monday press release, followed by a conference call with Wall Street analysts Tuesday morning. Amentum’s earnings slide deck is also posted online […]
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Cleanup & Remediation
Longtime Amentum communications veep Wood to retire
Keith Wood, vice president of marketing and communications for Amentum’s Energy and Environment business, plans to retire in July. Wood, who has spent 37 years with Amentum and its predecessor companies, will retire effective July 3, according to an Amentum staff email from Amentum Energy & Environment President Mark Whitney. Wood has earned much “respect […]
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Contracts & Procurement
Amentum plans Tuesday earnings call
Virginia-based Amentum reports its quarterly earnings Tuesday morning for the three-month period ending March 31. Amentum will discuss financial results for the second quarter of its fiscal 2026 with Wall Street analysts starting at 8:30 a.m. Eastern Time. As usual, the event will be webcast on Amentum’s investor website. Amentum basically follows the federal fiscal […]
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Cleanup & Remediation
Amentum taps two new executives
Chantilly, Va.-based Amentum has hired two new vice presidents, one for investor relations and one for operations. Charles Grant, a longtime executive with roots in the Navy nuclear program, has been selected as senior vice president of operations for Amentum, he said this week on his LinkedIn page. Separately, Amentum announced in an April 22 […]
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Cleanup & Remediation
Amentum taps two new executives
Chantilly, Va.-based Amentum has hired two new vice presidents, one for investor relations and one for operations. Charles Grant, a longtime executive with roots in the Navy nuclear program, has been selected as senior vice president of operations for Amentum, he said this week on his LinkedIn page. Separately, Amentum announced in an April 22 […]
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Cleanup & Remediation
Mullis becomes senior VP at UCOR
Jay Mullis, a longtime executive around the Department of Energy’s nuclear sites, has been appointed senior vice president for nuclear and waste management operations for United Cleanup Oak Ridge (UCOR). Mullis announced his new title over the weekend on LinkedIn. UCOR, a joint venture of partners Amentum and Honeywell, is the environmental prime for the […]
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Advanced Nuclear & SMRs
Amentum-led JV awarded $406 million contract for UK SMR program
An Amentum-led joint venture has won a $406 million (£300 million) contract by Great British Energy – Nuclear to serve as the owner’s engineer for the small modular reactor (SMR) project in the United Kingdom. The Litmus Nuclear, joint venture between partners Amentum and Cavendish Nuclear, signed a long-term agreement that can last up to […]
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Decommissioning
Amentum-led joint venture scores European cleanup contract
An Amentum-led joint venture has won a $112 million framework contract to lead decommissioning and waste management at nuclear research sites in four European countries. The new contract, issued by the European Commission Joint Research Center, has a two-year base period, with an option of three possible two-year extensions, according to Amentum’s Tuesday press release. […]
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Naval Nuclear Propulsion
Amentum, RSI selected for U.S. Navy remediation contract
Amentum and RSI’s joint venture was awarded a contract for U.S. Navy demolition projects construction that could be worth nearly $1 billion. RSI Amentum Environmental Solutions’ demolition services under the indefinite delivery/indefinite quantity (IDIQ) contract are expected to address environmental restoration tasks at Hunters Point Naval Shipyard in San Francisco, according to Amentum’s Monday press […]
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International
Wrap Up: Japan marks 15 years since Fukushima; Amentum JV wins Europe biz; Centrus makes deals; Fluor gets new board member
March 11 marked the 15th anniversary of the 9.0 magnitude earthquake and massive tsunami that caused the Fukushima Daiichi nuclear power plant to melt down. In the aftermath of the Fukushima accident, Japan temporarily shut down all 54 of its commercial reactors. Since then, several of the reactors have been permanently shut down and are […]
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Contracts & Procurement
Amentum-led joint venture scores European cleanup contract
An Amentum-led joint venture has won a $112 million framework contract to lead decommissioning and waste management at nuclear research sites in four European countries. The new contract, issued by the European Commission Joint Research Center, has a two-year base period, with an option of three possible two-year extensions, according to Amentum’s Tuesday press release. […]
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Naval Nuclear Propulsion
Amentum, RSI selected for U.S. Navy remediation contract
Amentum and RSI’s joint venture was awarded a contract for U.S. Navy demolition projects construction that could be worth nearly $1 billion. RSI Amentum Environmental Solutions’ demolition services under the indefinite delivery/indefinite quantity (IDIQ) contract are expected to address environmental restoration tasks at Hunters Point Naval Shipyard in San Francisco, according to Amentum’s Monday press […]
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Recommissioning & Restarts
Round Up: NRC accepts former TMI restart amendment; ECA webinar to focus on DOE’s nuclear lifecycle hubs; Amentum plans new office HQ in 2027
The Nuclear Regulatory Commission has accepted Three Mile Island Unit 1’s license amendment requests for its restart, according to a notice this week in the Federal Register. NRC said in its Tuesday press release that Three Mile Island Unit 1’s, now known as Crane Clean Energy Center, restart license amendment requests had sufficient information for […]
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Contracts & Procurement
Wrap Up: Orano file enviro report; Amentum plans new HQ; BWXT appoints board member
Orano USA submitted its environmental report for Project IKE, a planned uranium enrichment plant in Oak Ridge, Tenn., with the Nuclear Regulatory Commission (NRC) Monday. With the environmental report filed, Orano USA, the U.S. subsidiary of France-based Orano, said the complete facility license submission should occur later this year. “We are pleased to reach this […]
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Contracts & Procurement
Amentum to relocate to new office HQ in 2027
Amentum will move its headquarters from Chantilly, Va. to Reston in early 2027, the company announced Feb. 19. The nuclear engineering and technology solutions said it has signed a lease for 45,000-square-feet of office space at 1900 Reston Metro Plaza, according to its press release. The sixteen-story building is certified to meet modern energy efficiency […]
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Contracts & Procurement
Amentum holds stake in 30 joint ventures, company says
Virginia-based Amentum holds an ownership stake in about 30 active joint ventures, the company said in a financial filing last week with the Securities and Exchange Commission (SEC). Amentum’s ownership percentages in these joint ventures, typically limited liability corporations or LLCs, “range from 25% to 50%,” the company said in an SEC filing around the […]








