Weapons Complex Monitor Vol. 36 No. 14
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Weapons Complex Monitor
Article 10 of 10
April 11, 2025

Wrap Up: Leidos, MITRE plan layoffs; Mullis joins UCOR; Leidos adds VP

By ExchangeMonitor

Two organizations serving the Department of Energy’s weapons complex will soon reduce staff levels at offices in Virginia. News of both layoffs were first reported April 4 by FFX Now, a local news service covering Fairfax County, Va.

Reston, Va.-based Leidos, which has several DOE contracts and leads a partnership providing services at the Hanford Site in Washington state, will be cutting its northern Virginia office staffing levels by 29 people on May 30.

MITRE Corp., which has provided research for DOE’s National Nuclear Security Administration, will terminate 442 people on June 3. The MITRE website describes the organization as a non-profit that operates federally-funded research centers. It has a major office center in McLean, Va. Worker Adjustment and Retraining Notification (WARN) announcements were filed with a Virginia Department of Workforce Development and Advancement website.  

 

John (Jay) Mullis, who recently retired as head of the Department of Energy’s Environmental Management office at the Oak Ridge Site in Tennessee, didn’t stay idle long — he announced in a weekend LinkedIn post he has agreed to become chief nuclear officer for United Cleanup Oak Ridge.

“I’m happy to share that I’m starting a new position as Chief Nuclear Officer at UCOR!” Mullis said in the Saturday post. United Cleanup Oak Ridge (UCOR) is a joint venture of Amentum and Honeywell with a contract to perform nuclear remediation at the site, including Oak Ridge National Laboratory and the Y-12 National Security Complex.

Mullis last month retired from the federal government after spending more than 30 years with DOE, including serving as manager of the Office of Environmental Management field office in Oak Ridge since November 2017. 

 

Reston, Va.,-based Leidos has hired Daryle Lademan as its new senior vice president of corporate strategy, the company announced.

Lademan, who reports to Chief Growth Officer Jason Albanese, has three decades of experience across the defense and government technology sectors, Leidos said in a March 31 news release. Lademan joined Leidos in March, according to her LinkedIn page. Before joining Leidos, Lademan spent 15 years at BAE Systems and is a former president and board member of Women in Aerospace.

Leidos, a technology provider for government and industry clients, leads a joint venture that acts as the city manager for the Department of Energy’s Hanford Site in Washington state. 

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NEW: Via public records request, I’ve been able to confirm reporting today that a warrant has been issued for DOE deputy asst. secretary of spent fuel and waste disposition Sam Brinton for another luggage theft, this time at Las Vegas’s Harry Reid airport. (cc: @EMPublications)

DOE spent fuel lead Brinton accused of second luggage theft.



by @BenjaminSWeiss, confirming today's reports with warrant from Las Vegas Metro PD.

Waste has been Emplaced! 🚮

We have finally begun emplacing defense-related transuranic (TRU) waste in Panel 8 of #WIPP.

Read more about the waste emplacement here: https://wipp.energy.gov/wipp_news_20221123-2.asp

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