AAR said the agreement in support of NNSA's aircraft maintenance operations in Albuquerque strengthens the company's standing as a prime contractor in the government and defense market.
The contract -- valued at $18.5 million -- features a one-year base period of performance and four one-year options.
NNSA's fleet consists of Boeing 737-400 passenger/cargo aircraft, DC-9s and Learjets.
"AAR will provide reliable and cost-effective logistics and support to ensure these critical resources are available and operating at peak efficiency," said Donald J. Wetekam, AAR's senior vice president, Government and Defense Business Development.
"We're honored to have been selected by the Department of Energy as a member of the team supporting the NNSA Service Center and its mission."
NNSA is responsible for the management and security of the nation's nuclear weapons, nuclear non-proliferation.