Criticality Safety Engineer

LLNL•Livermore, CA

11d•Onsite

About The Position

We have an opening for a Criticality Safety Engineer. You will contribute to the design, development, and testing of nuclear equipment and systems for Lawrence Livermore National Laboratory (LLNL) operations with fissionable materials. You will also contribute to projects and task assigned to LLNL supporting the Department of Energy (DOE) Nuclear Criticality Safety Program. This position is in the Nuclear Criticality Safety Division within the Environment, Safety, and Health (ES&H) Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. This position requires full-time on-site presence due to the nature of the work.

Requirements

Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
Bachelor’s Degree in Nuclear Engineering, Physics, or closely related scientific discipline or the equivalent combination of education and related experience.
Comprehensive knowledge of and experience working in a nuclear facility, nuclear reactor, chemical, high hazard, (e.g., explosive), radiological operations, or similarly complex or highly regulated facility.
Broad application of technical, analytical and decision-making skills and record of achievement in performing criticality safety evaluations or research.
Proficient with personal computers and radiation transport software (e.g., COG, MCNP, SCALE).
Experience preparing technical documents following appropriate protocols (e.g., criticality safety evaluations, safety basis calculations, design calculations, and drawings/sketches).
Working knowledge of DOE orders, national consensus standards, and engineering practices.
Proficient verbal and written communication and interpersonal skills necessary to work effectively in a collaborative work environment.
Ability to document, present and/or explain technical or operational information and work results to management and stakeholders, i.e., DOE, DNFSB, and other external agencies.
Significant experience with nuclear and fissile material operations.
Significant experience conducting safety evaluations in conformance with applicable DOE orders.

Nice To Haves

Masters or Doctorate in Nuclear Engineering, Physics, or closely related discipline.
Experience in criticality safety.
Knowledge of LLNL’s policies, procedures, and practices.

Responsibilities

Perform criticality safety evaluations in conformance with DOE-STD-3007 and LLNL administrative procedures and participate in design and reviews of new or proposed changes to existing equipment or operating procedures.
Perform walk-through inspections and basic annual reviews of operations and work authorization/work control documents and review safety procedures and documents for consistency with criticality safety evaluations and adequate implementation of criticality safety controls.
Perform technical/scientific assignments of moderate to complex problems that require independent analysis and creativity, and provide technical support to facility management, engineers and scientists in scientific research and development projects and/or ongoing operations.
Gather and analyze data and information in support of the work activity and deliver results in the form of documents, calculations, recommendations, corrective actions, or designs.
Develop creative solutions to problems of moderate complexity, contributing to the fulfillment of project and organizational goals.
Frequently travel to the Nevada National Security Sites.
Conduct Fundamentals of Criticality Safety training courses.
Perform other duties as assigned.
Prepare technical reports and present formal presentations to LLNL management and various internal and external audiences.
Conduct formal on-the-job training, informal presentations, and complex consultations of criticality safety information to fissile material handlers, designers, and other clients.
Interpret, implement, and provide guidance to internal customers on DOE regulations, national consensus criticality safety standards and Laboratory policies related to criticality safety.