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Post-Baccalaureate Student in Nuclear Criticality Safety

Job in Los Alamos, Los Alamos County, New Mexico, 87545, USA
Listing for: Los Alamos National Security LLC
Apprenticeship/Internship position
Listed on 2026-07-16
Job specializations:
  • Engineering
    Research Scientist, Civil Engineering, Environmental & Urban Planning
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

What You Will Do

The Nuclear Criticality Safety Division (NCS) is seeking a highly motivated post-baccalaureate with a strong background in nuclear engineering to support development of challenging criticality safety evaluation documents (CSEDs) as well as all aspects of criticality safety.

This role involves close collaboration within a highly interdisciplinary team supporting a variety of nuclear facilities across LANL.

What You Need

Minimum

Job Requirements:

  • Degree in Nuclear Engineering
  • Proficiency in Python and MCNP
  • Interest in pursuing criticality safety as a career
Education/Experience
  • Post-Associate's/Post-Bachelor's
  • Must have earned an Associate's or a Bachelor's degree from an accredited institution (or international equivalent) within the last 3 years in an appropriate field
  • Must have graduated with a cumulative GPA of 2.75 or above on a 4.0 scale (or equivalent)
Desired Qualifications
  • Experience running MCNP, kcode calculations preferred
  • Self-motivated to work independently
  • Strong communication skills
  • Comfortable in a customer-service environment
  • Ability to obtain security clearance (Q)
Work Environment Work Location

Onsite/Hybrid:
This position is located in Los Alamos, NM with the potential for a hybrid work arrangement (partially onsite/partially offsite) from a location within 2 hours ground commute of this location. Reporting onsite will be regularly required. Hybrid is at the discretion of management and can change at any time with appropriate notice. Some interns may work a 9/80 schedule at the discretion of management and in accordance with the Student Programs Office guidebook.

Note

to Applicants

Anticipated travel requirements:
Candidate may travel for various NCS-related training, including the DOE NCSP 2-week Hands‑on Course.

Contact:
Gladis Mendez, POC for NCS

Required Application Materials
  • Current resume
  • Current official transcripts
  • Personal statement of interest (not to exceed one page)

Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China—including the special administrative regions of Hong Kong and Macau—as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory.

Where

You Will Work

Located in beautiful northern New Mexico, Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science on behalf of national security. Our generous benefits package includes:

  • PPO or high deductible medical insurance with the same large nationwide network
  • Dental and vision insurance
  • Free basic life and disability insurance
  • Paid childbirth and parental leave
  • Award‑winning 401(k) (6% matching plus 3.5% annually)
  • Learning opportunities and tuition assistance
  • Flexible schedules and time off (PTO and holidays)
  • Onsite gyms and wellness programs
  • Extensive relocation packages (outside a 50 mile radius)
Additional Details Directive 206.2

Employment with Triad requires a favorable decision by NNSA indicating employee is suitable under NNSA Supplemental Directive 206.2. Please note that this requirement applies only to citizens of the United States. Foreign nationals are subject to a similar requirement under DOE Order 142.3A.

Clearance: Q

Position will be cleared to this level. Selected applicants will be subject to a background investigation conducted by or on behalf of the Federal Government, and must meet eligibility requirements for access to classified matter. This position requires a Q clearance, and obtaining such clearance requires U.S. citizenship except in extremely rare circumstances. Dependent upon the position, additional authorization to access classified information may be required, which may or may not be available to dual citizens.

Receipt of a Q clearance and additional access authorization ultimately is a decision of the Federal Government…

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