Nuclear Criticality Safety Engineer

Akima Infrastructure Services, LLC (AIS), is actively seeking a Nuclear Criticality Safety Engineer, Level V support personnel as part of our staff augmentation team supporting the Department of Energy at the Y‑12 National Security Complex located in Oak Ridge, Tennessee.

Successful candidates will be employees of AIS, a premier government contractor charged with employing highly motivated and well-qualified personnel who can advance Y-12's core mission to ensure a safe, secure, and reliable U.S. nuclear deterrent, which is essential to national security. Though employed by AIS, the employee will take day-to-day direction and assignments from Y-12 staff employed directly by the security complex. Pay, benefits, Human Resources, and Employment Management functions are provided by AIS. To join our team of professionals, apply today!

Responsibilities

• Development, revision, and review of Nuclear Criticality Safety (NCS) documentation such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Determinations (NCSDs), Technical Deviations (TDs), and various other NCS technical basis documentation to include:
• • Completion of required NCS annual Operational Reviews as needed
  • Daily nuclear facility supports as needed, consisting of facility walkdowns, review of NCS requirements implementing documents, participation at facility Operational Safety Boards, etc.
• Provides technical capabilities in Nuclear Criticality Safety (NCS) to ensure fissile materials are processed, stored, transferred, and handled safely so that personnel and property are protected against a nuclear criticality accident.
• Performs analysis of equipment, processes, and procedures prescribing correct methods, control requirements, and limitations.
• Conducts surveillances, inspections, walkthroughs, appraisals, or audits of fissile material operations to ensure compliance with approvals.
• Provides operating areas with specific NCS professional interpretations and advice.
• Performs training to employees in basic NCS as requested.

Qualifications

• Qualified applicants must be a US citizen, at least 18 years of age, and able to meet pre-employment requirements including any required physicals, drug screen, and/or background investigation to satisfy clearance requirements from the Department of Energy.
• BS Degree or higher in Technical discipline from ABET accredited university.
  20 or more years of relevant experience w/ 2 or more years direct experience in Nuclear Criticality Safety (preferably DOE-specific).
• Experience in the application of DOE rules, guides, orders, standards, and handbooks including 10CFR 830, Nuclear Safety Management.
• Active DOE Q clearance is required.
• Pre-employment Drug Screen - External applicants selected for this position are required to successfully complete a post-offer, pre-employment drug test.
• Medical Exam(s) - Job related pre-placement medical examinations may be required for this position.
• This position requires the employee to maintain a Q clearance from the Department of Energy. This position will be identified as a Workplace Substance Abuse (WSAP) testing designated position.  WSAP positions require participation in an ongoing random drug testing program in addition to the pre-employment drug screen.

Job ID

2025-17001
Work Type

On-Site
Company Description

Work Where it Matters

Akima Infrastructure Services (AIS), an Akima company, is not just another staffing contractor. As an Alaska Native Corporation (ANC), our mission and purpose extend beyond our exciting federal projects as we support our shareholder communities in Alaska.

At AIS, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.

For our shareholders, AIS provides support and employment opportunities and contributes to the survival of a culture that has thrived above the Arctic Circle for more than 10,000 years.

For our government customers, AIS supports vital missions with the most in-demand and specialized skill sets in the world.

As an AIS employee, you will be surrounded by a challenging, yet supportive work environment that is committed to innovation and diversity, two of our most important values. You will also have access to our comprehensive benefits and competitive pay in addition to growth opportunities and excellent retirement options.