Company Overview: Zeno Power is the leading developer of nuclear batteries – compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno’s batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.Nuclear Shielding EngineerZeno is seeking a highly motivated Nuclear Shielding Engineer in our Analysis group to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.In this role you will:<ul><li>Perform radiation shielding design analysis for radioisotope power systems and radiological facilities, including calculation of dose, energy deposition, and material degradation due to irradiation.</li><li>Design and analyze new systems for solving complex problems</li><li>Design and execute sensitivity studies to evaluate the impact of modeling assumptions (e.g., geometry complexity, meshing, variance reduction techniques, transport options), and help build corrected methods as needed.</li><li>Ensure the final shielding design and implementation meets the radiation shield requirements</li><li>Establish and maintain document of requirements, analysis results, and radiation shielding design solutions</li><li>Help to ensure consistency, traceability, maintainability, and technical rigor in documentation</li><li>Perform review of models, calculations, and reports to ensure adequacy and accuracy of vendor submitted technical work products</li><li>Support planning for new initiatives and assist with requirements development and strategic planning</li></ul>Key Qualifications and Skills<ul><li>B.S degree in Nuclear Engineering or equivalent</li><li>2+ Years of industry or research related experience (Masters degree or Ph.D and 0+ years of experience)</li><li>Experience in radiation shielding design and analysis</li><li>Knowledgeable or highly motivated to learn radiation effects on electronic components </li><li>Strong computational expertise, including use of Monte Carlo transport codes (e.g., MCNP, OpenMC, GEANT, etc.)</li><li>Working knowledge of nuclear and/or general numerical methods (e.g., activation analysis, dose rates, partial differential equations, Monte Carlo transport, variance reduction techniques, nuclear data, etc.)</li><li>Excellent verbal and communication skills</li><li>Meet deadlines and perform under pressure in an uncertain environment</li></ul>Preferred Qualifications <ul><li>Experience with Linux and high performance computing (HPC)</li><li>Experience with Attila4MC and computed aided drafting (e.g., SolidWorks, SpaceClaim/ANSYS, Cubit)</li><li>Experience working under an NQA-1 (or similar) quality program</li></ul>Job Functions<ul><li>Position requires in-office presence in Seattle (South Lake Union) on Tuesdays, Wednesdays, and Thursdays, remote work is optional on Mondays and Fridays</li><li>Travel: Travel is required, &lt;10%</li><li>Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)</li><li>Physical exertion and/or requirements: Minimal, with ability to safely lift up to 15 pounds</li><li>Repetitive work: Prolonged</li><li>Special Senses: Visual and audio focused work</li><li>Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of &gt;8 hrs./day</li></ul>Compensation and BenefitsThe anticipated salary band for this position is $105,000-$145,000. The final job level and compensation will be determined by various factors such as a candidate's relevant work experience, years of relevant experience, skills, qualifications, certifications, and other business considerations.In addition to competitive compensation, we also offer a generous benefits package, which includes:<ul><li>Stock options</li><li>Flexible paid time off</li><li>401k plan with employer match</li><li>16 weeks of paid family leave</li><li>Employer HSA contributions</li><li>Transit benefits to put toward commuting expenses</li><li>Medical, dental, and vision insurance</li><li>Relocation assistance</li><li>Dog friendly office</li></ul>Physical Demands and Work EnvironmentThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. Specific vision abilities required by this position include close vision, distance vision, peripheral vision, and the ability to adjust focus. The noise level in the work environment is usually moderate.NoteThis job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an “at will” relationship.Export ControlApplicants for employment at Zeno Power must be a U.S. person. The term “U.S. Person” means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a “protected individual” defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum).

At Zeno, we're harnessing the power of radioisotopes to provide clean, plug-and-play power anywhere in the universe.

Nuclear Shielding Engineer

Company Overview:&nbsp;Zeno Power is the leading developer of nuclear batteries – compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno’s batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.Nuclear Shielding EngineerZeno is seeking a highly motivated Nuclear Shielding Engineer in our Analysis group to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.In this role you will:<ul><li>Perform radiation shielding design analysis for radioisotope power systems and radiological facilities, including calculation of dose, energy deposition, and material degradation due to irradiation.</li><li>Design and analyze new systems for solving complex problems</li><li>Design and execute sensitivity studies to evaluate the impact of modeling assumptions (e.g., geometry complexity, meshing, variance reduction techniques, transport options), and help build corrected methods as needed.</li><li>Ensure the final shielding design and implementation meets the radiation shield requirements</li><li>Establish and maintain document of requirements, analysis results, and radiation shielding design solutions</li><li>Help to ensure consistency, traceability, maintainability, and technical rigor in documentation</li><li>Perform review of models, calculations, and reports to ensure adequacy and accuracy of vendor submitted technical work products</li><li>Support planning for new initiatives and assist with requirements development and strategic planning</li></ul>Key Qualifications and Skills<ul><li>B.S degree in Nuclear Engineering or equivalent</li><li>2+ Years of industry or research related experience (Masters degree or Ph.D and 0+ years of experience)</li><li>Experience in radiation shielding design and analysis</li><li>Knowledgeable or highly motivated to learn radiation effects on electronic components&nbsp;</li><li>Strong computational expertise, including use of Monte Carlo transport codes (e.g., MCNP, OpenMC, GEANT, etc.)</li><li>Working knowledge of nuclear and/or general numerical methods (e.g., activation analysis, dose rates, partial differential equations, Monte Carlo transport, variance reduction techniques, nuclear data, etc.)</li><li>Excellent verbal and communication skills</li><li>Meet deadlines and perform under pressure in an uncertain environment</li></ul>Preferred Qualifications&nbsp;<ul><li>Experience with Linux and high performance computing (HPC)</li><li>Experience with Attila4MC and computed aided drafting (e.g., SolidWorks, SpaceClaim/ANSYS, Cubit)</li><li>Experience working under an NQA-1 (or similar) quality program</li></ul>Job Functions<ul><li>Position requires in-office presence in Seattle (South Lake Union) on Tuesdays, Wednesdays, and Thursdays, remote work is optional on Mondays and Fridays</li><li>Travel: Travel is required, &lt;10%</li><li>Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)</li><li>Physical exertion and/or requirements: Minimal, with ability to safely lift up to 15 pounds</li><li>Repetitive work: Prolonged</li><li>Special Senses: Visual and audio focused work</li><li>Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of &gt;8 hrs./day</li></ul>Compensation and BenefitsThe anticipated salary band for this position is&nbsp;$105,000-$145,000.&nbsp;The final job level and compensation will be determined by various factors such as a candidate's relevant work experience, years of relevant experience, skills, qualifications, certifications, and other business considerations.In addition to competitive compensation, we also offer a generous benefits package, which includes:<ul><li>Stock options</li><li>Flexible paid time off</li><li>401k plan with employer match</li><li>16 weeks of paid family leave</li><li>Employer HSA contributions</li><li>Transit benefits to put toward commuting expenses</li><li>Medical, dental, and vision insurance</li><li>Relocation assistance</li><li>Dog friendly office</li></ul>Physical Demands and Work EnvironmentThe physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions. While performing the duties of this position, the employee is regularly required to talk or hear. Specific vision abilities required by this position include close vision, distance vision, peripheral vision, and the ability to adjust focus. The noise level in the work environment is usually moderate.NoteThis job description in no way states or implies that these are the only duties to be performed by the employee(s) incumbent in this position. Employees will be required to follow any other job-related instructions and to perform any other job-related duties requested by any person authorized to give instructions or assignments. All duties and responsibilities are essential functions and requirements and are subject to possible modification to reasonably accommodate individuals with disabilities. To perform this job successfully, the incumbents will possess the skills, aptitudes, and abilities to perform each duty proficiently. Some requirements may exclude individuals who pose a direct threat or significant risk to the health or safety of themselves or others. The requirements listed in this document are the minimum levels of knowledge, skills, or abilities. This document does not create an employment contract, implied or otherwise, other than an “at will” relationship.Export ControlApplicants for employment at Zeno Power must be a U.S. person.&nbsp;The term “U.S. Person” means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a “protected individual” defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum).

Nuclear Shielding Engineer

About the Job

About the Company

Zeno Power

Similar Jobs

Nuclear Engineer

Nuclear Engineer

Engineer I or II Plant Support Engineering – Oconee Nuclear Station

Engineer I or II Plant Support Engineering – Oconee Nuclear Station

Summer 2026 Internship - Nuclear Engineer

Summer 2026 Internship - Nuclear Engineer

Senior Nuclear Materials Engineer

Senior Nuclear Materials Engineer

Nuclear Operations Technician

Nuclear Operations Technician

Health Physicist I-III

Health Physicist I-III

Senior Nuclear Engineer

Senior Nuclear Engineer

Radiation Protection Technician II

Radiation Protection Technician II

Radiation Protection Technician - Nuclear Special Crew

Radiation Protection Technician - Nuclear Special Crew

Engineer IV, Nuclear

Engineer IV, Nuclear