[Remote] Shielding Analysis Engineer

Note: The job is a remote job and is open to candidates in USA. Oklo Inc. is developing advanced fission power plants, nuclear fuel recycling technologies, and related clean-energy solutions. The Shielding Analysis Engineer will define, develop, and execute radiation shielding and transport analyses supporting reactor design, plant layout, performance evaluation, and safety assurance, while contributing to verification, validation, licensing, and regulatory interactions.

Responsibilities

• Perform the complete range of actions involved in supporting shielding design, radiation transport analysis, and dose assessment for using Monte Carlo and supporting codes on Oklo facilities
• Perform calculations and analyses in Monte Carlo based radiation transport codes such as MCNP, SCALE, OpenMC, and Serpent
• Perform source term, activation, streaming, skyshine, and dose-rate analyses using appropriate Monte Carlo and deterministic methods
• Support the qualification and verification of shielding analyses, including validation against experiments, benchmarks, and operationally relevant radiation measurements
• Be aware of and familiar with radiation shielding, radiation transport, and fast reactor core design and analysis work being performed internationally, as well as related benchmark calculations and experiments being performed internationally
• Provide technical feedback to quick-iterating design teams
• Document work using modern tools and techniques, and write well-written, thoughtful technical reports

Skills

• Bachelor's, Master's, or PhD in a technical field, such as nuclear engineering, with experience in reactor design, radiation transport, shielding analysis, or radiation protection (Master's or PhD may be preferable)
• Fluency with Python
• Proficiency with high performance computing systems
• Experience with fast reactor design, shielding design, or radiation protection analysis is highly recommended
• Proficiency with radiation transport tools such as MCNP, SCALE, OpenMC, and Serpent is highly recommended
• Proficiency with variance reduction techniques such as weight windows, surface read/write, source biasing, and CADIS/FW-CADIS methods is recommended
• Experience with source-term generation, activation, dose-rate calculations, and shielding design methods is recommended
• Passionate about clean energy
• Passionate about making advanced fission a reality
• Willing and able to learn quickly
• Knowledgeable about fast reactor design and radiation shielding considerations
• Highly skilled with Monte Carlo radiation transport tools such as SERPENT, MCNP, SCALE, OpenMC, and Serpent
• Skilled with shielding, source-term, activation, and dose assessment methods, or willing and eager to learn
• Skilled with variance reduction techniques and tools, such as weight windows, surface source read/write, source biasing, and CADIS/FW-CADIS methods
• Eager to work on a dynamic team, receive constructive feedback, and grow with us
• Willing to think differently and do things in new ways
• Comfortable in a fast-paced, highly iterative startup environment
• Excited to think creatively, critically, and reflectively about the problems they are solving, while not leaning only on what has been done before
• Willing to propose novel and creative solutions to technical problems
• An excellent writer who can write in modern active voice, so make your cover letter compelling and write it well!
• Able to communicate technical content and results verbally
• You aren't driven by titles or hierarchy, and prefer efficiency to excess process
• You don't need or expect to have a lot of guidance but you enjoy working in a fast-paced team
• Motivated: You are self-motivated
• You bring an enthusiasm to the team, and imbue a sense of passion that goes beyond clocking in and clocking out
• A team-player: Oklo genuinely is a team
• An excellent communicator: We need a person who is not only technically competent but also a clear and upbeat communicator
• Creative: Being creative means that when things fall outside clear scopes or processes or problems arise without clear solutions, you are able to identify it as well as invent ways to solve a problem or fill a need without micromanagement
• The successful person in this job will not only be creative, but also enjoy being creative and solving open-ended problems which may change day-by-day
• Detail-oriented: This focus is a big part of excellence, consistency, and quality
• Excellent grammar and spelling matter for both good communication as well as the image of the company that we put forward
• Oklo requires remote employees to travel to headquarters (Santa Clara, CA) twice a quarter annually, based on business or team needs, including attendance at team meetings, off-sites, and other company events or gatherings
• For the first two weeks of onboarding, employees are required to be in person at headquarters in Santa Clara, CA
• Only applicants who meet the definition of a U.S. person under applicable laws may be eligible
• Proficiency with CAD software such as SolidWorks is a plus

Benefits

• Flexible time off
• Equity
• Bonuses
• 401(k)
• Health insurance (with employer contribution)
• HSA
• FSA
• Flexible work hours
• Wellness credits

Company Overview