Senior Administrative Assistant – Onsite, Flexible Hours

Los Alamos National Security LLC; Los Alamos (NM); On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

Relocation packages

Medical and dental insurance

401(k) with match

Paid time off and holidays

Onsite gym and wellness programs

Job summary

Los Alamos National Laboratory (LANL) seeks an experienced administrative professional to support the Pit Technologies Division. You will manage communications, organize files, coordinate calendars and travel, and assist with procurement and badge requests while upholding safety and security requirements.

The role requires strong Microsoft Office skills, experience with Concur and Ariba, and the ability to work under deadlines in a mission-driven environment in Los Alamos, NM.

Qualifications

• Advanced experience with Microsoft Excel, PowerPoint and SharePoint.
• Extensive knowledge using Concur and Ariba; managing Dosimetry and Badge Requests.
• Ability to organize and prioritize multiple tasks under deadlines.

Responsibilities

• Provide administrative support, manage messages and filing systems.
• Coordinate calendars, meetings, travel arrangements, and logistics.
• Serve as a resource for staff on policies, procedures, and safety compliance.
• Timekeeping, handling sensitive information, and procurement duties as needed.

Skills

Excel

PowerPoint

SharePoint

Concur

Ariba

Dosimetry

Badge requests

Multitasking

Education

High School Diploma

Job description

Los Alamos National Laboratory (LANL) seeks an experienced administrative professional to support the Pit Technologies Division. You will manage communications, organize files, coordinate calendars and travel, and assist with procurement and badge requests while upholding safety and security requirements.

The role requires strong Microsoft Office skills, experience with Concur and Ariba, and the ability to work under deadlines in a mission-driven environment in Los Alamos, NM.