Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Nuclear Engineer

Last Energy

Senior Nuclear Engineer

Last Energy is a fast-growing technology company redefining how nuclear power is designed, manufactured, and deployed. We are building a new generation of modular, distributed nuclear plants engineered for speed, scalability, and real-world impact.

We are seeking a Senior Nuclear Engineer to join our core engineering team and drive the analytical rigor behind our microreactor design. This role sits at the intersection of innovation and execution, where complex modeling meets the fast-paced reality of startup deployment. This role will act as both a technical leader and independent thinker, directly influencing design decisions that shape the future of energy.

Key Duties & Responsibilities
  • Lead and perform complex thermal-hydraulic and neutronics calculations
  • Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers
  • Provide expert-level review of design basis documents, licensing submittals, and technical evaluations
  • Mentor and guide junior engineers in analytical methods and modeling techniques
  • Develop and maintain detailed models for reactor systems and accident scenarios
  • Participate in peer reviews and regulatory interactions as a technical authority
  • Contribute to continuous improvement initiatives by identifying gaps and proposing innovative solutions
  • Adapt quickly to evolving project needs, regulatory changes, and emergent technical challenges
Qualifications
  • Bachelor's or Master's degree in Nuclear Engineering or a closely related discipline.
  • 7+ years of experience in nuclear systems analysis, safety analysis, or reactor physics.
  • Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT.
  • Demonstrated experience performing and reviewing complex engineering calculations.
  • Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences.
  • Department of Energy regulatory experience is preferred
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Nuclear Engineer in Austin, TX vacancy
  • $130k

    Aalo Atomic in Austin, TX is looking for a Senior Mechanical Design Engineer. This role involves owning the mechanical design for critical systems within our innovative microreactors. As a lead designer, you'll ensure that designs meet safety and performance standards while... 
    Senior

    Aalo Atomic

    Austin, TX
    4 days ago
  • $130k

    Epoch Biodesign in Austin, TX is seeking a Senior Mechanical Design Engineer to own the mechanical design of modular nuclear reactors. The role involves leading design efforts from concept through production, mentoring junior engineers, and ensuring safety and performance... 
    Senior

    Epoch Biodesign

    Austin, TX
    1 day ago
  • $100k

    Aalo Atomics in Austin, TX, is seeking a Senior Test Engineer to enhance reactor development through hands-on prototyping and system testing. The position requires strong engineering fundamentals and a collaborative approach with cross-functional teams. Ideal candidates... 
    Senior

    Aalo Atomics

    Austin, TX
    4 days ago
  • $130k

    Aalo Atomic in Austin, TX, is looking for a Senior Mechanical Engineer to design and build critical machinery for safe refueling in sodium-cooled reactors. The ideal candidate should hold a Bachelor’s degree in Mechanical Engineering, have over 6 years of experience, and... 
    Senior

    Aalo Atomic

    Austin, TX
    16 hours ago
  • $125k

    Aalo Atomics in Austin, TX is seeking a Test Engineer to design and build test infrastructures for validating complex mechanical systems operating in various environments. The role requires at least a Bachelor’s degree in Mechanical Engineering and 6+ years of relevant... 
    Senior

    Epoch Biodesign

    Austin, TX
    2 days ago
  • $130k

    Aalo Atomics in Austin, TX, is seeking a Senior Mechanical Engineer to design and build essential machinery for safe and reliable nuclear refueling. The role requires hands-on experience with mechanical systems, particularly in high-temperature and extreme environments... 
    Senior

    Aalo Atomics

    Austin, TX
    2 days ago
  • $130k

    Aalo Atomics in Austin, TX is seeking a Senior Mechanical Design Engineer to own the mechanical design of critical systems within modular nuclear reactors. The ideal candidate will lead design efforts from concept to production, mentor junior engineers, and ensure the highest... 
    Senior

    Aalo Atomics

    Austin, TX
    4 days ago
  • Apptronik is seeking a Senior Audio Engineer in Austin, Texas, to lead the design and optimization of sound performance across robotic products. This role requires a strong background in acoustics and experience in robotics systems. Key responsibilities include performing... 
    Senior

    Sunroom Rentals

    Austin, TX
    16 hours ago
  • Apptronik is seeking a Senior Audio Engineer to enhance audio performance across robotic products. This role involves leading acoustic engineering efforts, conducting performance testing, and collaborating cross-functionally to optimize sound within robotics systems. The... 
    Senior

    Apptronik

    Austin, TX
    4 days ago
  • $179k - $268.4k

     ...A leading technology company is seeking a Senior Data Center Post Silicon Power and Performance Engineer in Austin, Texas. You will be responsible for characterizing and optimizing complex SoCs, developing validation plans, and ensuring CPU performance. A Bachelor's or... 
    Senior

    Qualcomm

    Austin, TX
    16 hours ago
  •  ...Postdoctoral Fellow – Nuclear Engineering Teaching Lab Department: Walker Department of Mechanical Engineering Location: PICKLE RESEARCH CAMPUS Hours: 40 per week, exempt Start: Immediately / Until Sep 01, 2024 Purpose The Postdoctoral Fellow conducts research in mobile... 
    Immediate start

    Phase2 Technology

    Austin, TX
    16 hours ago
  •  ...Job Description Job Description Last Energy seeks an experienced Radiological Engineer to support the safety and licensing analysis for the PWR-20 micro nuclear reactor. This person will work closely with the nuclear engineering and safety analysis staff to ensure... 

    Last Energy

    Austin, TX
    26 days ago
  • The University of Texas at Austin seeks a Research Engineering/Scientist Associate I for the Nuclear Engineering Teaching Laboratory. The position involves supporting foundational research in applied robotics for extreme environments. The ideal candidate will possess a... 

    University of Texas

    Austin, TX
    4 days ago
  •  ...ICON is seeking an Electrical Engineer to join the Titan Team in Austin, Texas. In this role, you will contribute to the design and development of cutting-edge print systems while ensuring the advancement of prototypes to production. Ideal candidates should possess a... 
    Senior

    Industrious Ventures

    Austin, TX
    16 hours ago
  • CMTA, Inc. is seeking a Mechanical Engineer in Austin, TX, with 5+ years of experience in consulting engineering. In this role, you will design energy-efficient mechanical systems and manage projects from conception to completion. The ideal candidate should possess a Bachelor... 
    Senior
    Flexible hours

    CMTA, Inc.

    Austin, TX
    1 day ago
  • Ecotal is seeking a Supplier Mechanical Engineer in Austin, Texas, to support sourcing, purchasing, and management within advanced nuclear energy projects. The role is critical in coordinating with engineering, R&D, and finance to ensure timely delivery of materials and... 

    Ecotal

    Austin, TX
    4 days ago
  • $70k

    Postdoctoral Fellow, Nuclear Engineering Teaching Lab, Cockrell School of Engineering Apply for the Postdoctoral Fellow position in the Cockrell School of Engineering at The University of Texas at Austin . Position Details Hiring Department: Walker Department of Mechanical... 
    Casual work
    Work at office
    Immediate start

    The University of Texas at Austin

    Austin, TX
    4 days ago
  • Infineon Technologies AG is seeking a Senior Director of Applications Engineering to lead a technical marketing team in Austin, TX. This role entails building relationships with key customers and driving the successful design-in of multiphase controllers and power management... 
    Senior

    Infineon Technologies AG

    Austin, TX
    3 days ago
  • Apptronik is seeking a Senior Mechanical Engineer - Thermal Simulation & Analysis to design thermal systems for their humanoid robot, Apollo. This role involves solving complex thermal challenges across robotic architectures while collaborating with cross-functional teams... 
    Senior

    Booster

    Austin, TX
    16 hours ago
  • Valstad, a manufacturing technology company based in Texas, is seeking an experienced mechanical engineer to join our innovative team. This role involves designing and detailing mechanical components for robotic workcells, utilizing your expertise in SolidWorks, and working... 
    Senior

    Valstad

    Austin, TX
    2 days ago
  •  ...A leading global business solutions provider is seeking a Senior Principal Solutions Architect in Austin, Texas. The candidate should have a minimum of 15 years of experience in enterprise-scale integration solutions and possess strong technical and interpersonal skills... 
    Senior

    Dun & Bradstreet

    Austin, TX
    16 hours ago
  • $120k - $150k

     ...data center campuses called Tract. The second is the mega-campus vertical development strategy called Fleet Data Centers. Senior Acoustics Engineer owns acoustic and noise compliance design for our behind-the-meter (BTM) power generation and battery energy storage... 
    Senior
    Local area

    Tract Capital Management, LP

    Austin, TX
    16 hours ago
  • A leading electronic design automation company is seeking an experienced technical leader to develop advanced packaging and 3DIC analysis flows. The role requires a bachelor's degree, at least 15 years of experience in Signal Integrity and Power Integrity, and strong knowledge...
    Senior
    Remote work

    Cadence Design Systems

    Austin, TX
    1 day ago
  •  ...Phase2 Technology is actively seeking a Senior or Principal Product Manager to drive product strategy for advanced microsystems integration platforms. This role involves aligning technical execution with market demands and facilitating collaboration across diverse teams... 
    Senior

    Phase2 Technology

    Austin, TX
    1 day ago
  • $120k - $150k

    A leading digital infrastructure investment firm in Austin, TX is seeking a Senior Acoustics Engineer to oversee acoustic design and noise compliance for power generation systems. Responsibilities include conducting noise assessments and ensuring compliance with local regulations... 
    Senior
    Local area

    Tract Capital Management, LP

    Austin, TX
    16 hours ago
  • Zimmer Biomet seeks a Clinical Evaluation Engineer in Austin, Texas, to assess surgical workflows and support product development in Surgical Robotics. Candidates should have a Bachelor’s Degree in Engineering and at least 5 years of relevant experience. The role involves... 
    Senior

    Zimmer Biomet

    Austin, TX
    16 hours ago
  •  ...hands-on lab work and collaboration with Clinical R&D, providing inputs for system design. Candidates should have a Bachelor's in Engineering and significant experience in clinical settings. This position allows for impactful contribution to patient care and requires... 
    Senior

    Zimmer Biomet

    Austin, TX
    4 days ago
  • A high-tech product design agency is seeking a Robotic Engineer based in Austin, Texas. This role involves designing and developing robotic systems, requiring strong programming skills in Python and/or C++, along with 5+ years of experience in robotics or automation. You... 
    Senior

    Kickmaker

    Austin, TX
    3 days ago
  • $95k

    Aalo Atomic, based in Austin, TX, is looking for a Test Engineer to join the Reactivity Control System team. This role involves designing and operating test infrastructures to validate critical reactor systems. You will collaborate with various teams and execute testing... 

    Aalo Atomic

    Austin, TX
    16 hours ago
  • A leading energy company located in Austin, TX, is seeking a Senior Operations Engineer to lead operations for synchronous condenser assets. This role involves providing technical support, responding to operational issues, and coordinating outage requests. Ideal candidates... 
    Senior

    Wind Energy Transmission Texas, LLC.

    Austin, TX
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Nuclear Engineer. Be the first to apply!