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Welcome to the Los Alamos Field Office

The National Nuclear Security Administration’s Los Alamos Field Office employs approximately 80 federal workers responsible for ensuring compliance with the federal contract to manage and operate Los Alamos National Laboratory.


The $2.4 billion Management and Operating (M&O) contract is currently held by Los Alamos National Security (LANS), LLC., an organization employing about 10,500 people.

At the Los Alamos Field Office, federal employees oversee activities associated with LANS’s duty to execute work in the areas of national security, science and technology, energy and environmental management.

In order to provide oversight in the diverse areas associated with the LANL mission, the field office employs subject matter experts in such fields as physical and cybersecurity, safety, national security, nuclear facility operations, environmental protection and stewardship, radioactive waste management, quality assurance, business and contract administration, and project management.

Additionally, the field office engages with stakeholders including leaders and members of surrounding Native American communities, cities, local governments, and business and non-governmental organizations.