Nuclear Safety Analyst Intern

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.

• EXPERIENCE: Acceptance into a Bachelor's degree program in mechanical, chemical, or nuclear engineering.
• EDUCATION: Must have completed a minimum of 24 hours toward a degree from an ABET accredited program by start of internship (Summer 2026).
• SPECIAL SKILLS:
• Proficient knowledge of Microsoft Office.
• Strong communication, verbal and written skills.
• Familiarity with nuclear safety software codes (e.g., MCNP, SCALE, HotSpot, MicroShield) preferred.
• PROFESSIONAL REGISTRATIONS: None
• OTHER REQUIREMENTS: Must be a US citizen (Real ID compliant identification) and able to obtain a DOE "L" Security Clearance.

At AtkinsRéalis, our values—Safety, Integrity, Collaboration, Innovation, and Excellence—are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact.

As an Intern, you will participate in Explore, our intern development initiative, and will enjoy a host of benefits including:

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

As an entry-level Full-Time employee, you will enjoy a robust rewards package including enrollment into Emerge, our new graduate experience, providing:

• 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.

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Expected compensation range is between $25 - $31hourly depending on skills, experience, and geographical location.

Are you ready to start your career with us? Apply today and help us shape something extraordinary.

AtkinsRéalis is an equal opportunity, Drug-Free employer. EOE/Veteran/Disability

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In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.