Find my Amentum 401(k) plan

Amentum offers AMENTUM 401(K) RETIREMENT PLAN through Merrill Lynch. Their plan covers 21,754 employees.

Updated on Jun 15, 2024

Amentum 401(k) plan information

Amentum’s 401(k) provider
Plan name
Phone number
Fax number
Hours of operation
Monday - Friday: 9am - 9pm EST, No weekend hours
P.O. Box 29002, Hot Springs, AR, 71903-9002
To access your Amentum 401(k) plan online, visit the Merrill Lynch website and enter your username and password, or use the forgot login feature to reset your credentials. If you don’t have login credentials, try registering as a new user.
If you have a 401(k) plan through Amentum at Merrill Lynch and no longer work there, you have a few options. You can leave it with Merrill Lynch, roll it over into an individual retirement account (IRA), roll it over into a new 401(k), or withdraw the funds (may incur tax penalties).

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Amentum 401(k) plan details

Amentum offers AMENTUM 401(K) RETIREMENT PLAN through Merrill Lynch. Their plan covers 21,754 employees.

Amentum is an international Government and Military service provider based in Germantown, Maryland. Founded in 2020 as a spin-off of AECOM's Defense and Intelligence Group, the company provides expertise to national security agencies including the U.S. Department of Defense, other government organizations and other customers in commercial markets worldwide. With roots dating back to 1898 when it was established as The Delaware Consulting Engineers Company, its mission has been to provide engineering services and technical solutions on projects ranging from munitions plants during World War II through bridge repair after disasters such as Hurricane Katrina today. In 2009, the company expanded its capabilities into areas such as program management logistics support, base operations infrastructure maintenance and environmental remediation—becoming one of the largest providers for these services throughout the world with over 25 offices located around the globe. Amentum offers a broad spectrum of service offerings which include research & development; training systems; nuclear waste management; operations & maintenance support; acquisition & sustainment; construction management; aviation & material handling equipment fleet management; medical logistics support services; information technology support services amongst many other functions related to defense and intelligence activities both domestically and abroad.
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