Nuclear Safety Analyst Intern - Summer 2026
About The Position
AtkinsRéalis is seeking a Nuclear Safety Analyst intern to join our Isotek Systems, LLC U-233 Disposition Project in Oak Ridge, Tennessee office . Reviews drafts of Work Packages, Task Orders, procedures, facility modifications, and other documents for integration of nuclear safety into facility activities. Participates in critiques/investigations involving nuclear safety issues, as requested. Participates in Hazards Identification and Analyses activities, as requested. Assists in revisions of the Criticality Accident Alarm System Needs Analysis, as requested. Performs nuclear safety implementation walkdowns and surveillances of fissile material operations, as requested. Reviews operational procedures and other project documents to ensure compliance with nuclear safety requirements. Assists in the preparation of Fissile Material Operation Screening documents, as requested. Assists in the preparation and peer review of nuclear safety calculations (e.g., dispersion analyses, radiation exposure calculations), as requested.
Requirements
- Acceptance into a Bachelor’s degree program in mechanical, chemical, or nuclear engineering
- Must have completed a minimum of 24 hours toward a degree from an ABET accredited program by start of internship (Summer 2026)
- Proficient knowledge of Microsoft Office.
- Strong communication, verbal and written skills.
- Must be a US citizen (Real ID compliant identification) and able to obtain a DOE “L” Security Clearance.
Nice To Haves
- Familiarity with nuclear safety software codes (e.g., MCNP, SCALE, HotSpot, MicroShield) preferred
Responsibilities
- Reviews drafts of Work Packages, Task Orders, procedures, facility modifications, and other documents for integration of nuclear safety into facility activities.
- Participates in critiques/investigations involving nuclear safety issues, as requested.
- Participates in Hazards Identification and Analyses activities, as requested.
- Assists in revisions of the Criticality Accident Alarm System Needs Analysis, as requested.
- Performs nuclear safety implementation walkdowns and surveillances of fissile material operations, as requested.
- Reviews operational procedures and other project documents to ensure compliance with nuclear safety requirements.
- Assists in the preparation of Fissile Material Operation Screening documents, as requested.
- Assists in the preparation and peer review of nuclear safety calculations (e.g., dispersion analyses, radiation exposure calculations), as requested.
Benefits
- Competitive salary
- Hands-on experience with industry leaders
- Support and mentorship from various professionals throughout the business
- Career and educational exploration opportunities such as Client Site Visits, Weekly Lunch & Learns, & various virtual and/or in-person activities
- Opportunities to work on various projects of ranging size and scope
- Support & structured mentorship from various professionals throughout the global AtkinsRéalis network
- Formal business and soft-skills training on topics such as time management, resilience, emotional intelligence, feedback, and communication
- Integration into a robust Emerging Professional Network
- Additional learning and development programs, training, career opportunities and a highly regarded tuition reimbursement program
- Additional benefits may include medical, dental, vision, company-paid life and short- and long-term disability benefits, employer-matched 401(k) with 100% vesting, employee stock purchase plan, Paid Time Off, leaves of absences options, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits.
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What This Job Offers
Career Level
Intern
Number of Employees
5,001-10,000 employees
