This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description We are seeking a highly skilled Fire and Egress Modeling Engineer to join our dynamic team. The successful candidate will be responsible for leading and executing fire and egress modeling projects for a variety of structures, including high-rise buildings, industrial facilities, and transportation hubs. This role requires a strong understanding of fire dynamics, egress analysis, computational modeling techniques, and additional responsibilities inspired by the services offered by Jensen Hughes. Responsibilities - Develop fire and egress models using advanced computational tools and techniques, ensuring accuracy and reliability in predicting fire behavior and occupant egress patterns. - Apply performance-based design principles to assess fire and life safety strategies, including smoke control systems, evacuation plans, and structural fire protection measures. - Interpret and apply relevant building and fire codes, standards, and regulations (e.g., NFPA, IBC, ASCE) to ensure compliance with applicable requirements and guidelines. - Conduct qualitative risk assessments to evaluate the potential impact of fire events on building occupants, property, and business operations, and recommend risk mitigation strategies as needed. - Incorporate human behavior modeling into fire and egress simulations to account for variations in occupant response to emergency conditions and optimize evacuation strategies accordingly. - Collaborate with architects, structural engineers, HVAC designers, and other stakeholders to integrate fire and egress modeling into the overall building design process, facilitating interdisciplinary coordination and design optimization. - Evaluate the performance of fire protection systems and egress components (e.g., exit widths, travel distances) through sensitivity analysis and optimization studies, identifying opportunities for improvement and efficiency. - Serve as a technical advisor to clients, providing expert guidance on fire and life safety strategies, code compliance issues, and performance-based design solutions, and addressing client inquiries and concerns throughout the project lifecycle. - Provide training and mentorship to junior engineers and team members on fire and egress modeling techniques, software tools, and best practices, fostering professional growth and knowledge sharing within the organization. Qualifications - Bachelor's degree in Fire Protection Engineering, Mechanical Engineering, or a related field; advanced degree preferred. - Minimum of 3 years of experience in fire protection engineering or a related field, with a focus on fire and egress modeling. - Proficiency in industry-standard fire and egress modeling software tools, such as FDS, PyroSim, Pathfinder, etc. - Strong understanding of fire dynamics, egress analysis principles, and relevant building and fire codes and standards (e.g., NFPA, IBC, etc.). - P.E. License in Fire Protection Engineering. - Five (5) or more years of experience as a project manager for projects including performance-based design, fire and egress modeling, with the ability to lead and execute multiple projects simultaneously. - Existing client-base with a willingness to grow in new areas. - Ability to review smoke control and egress modeling performed by others. - Ability to prepare thorough technical reports documenting modeling and analysis results. - Ability to present the information prepared by you and/or others to clients and AHJs. Company Description Throughout our worldwide network of experts, clients and communities, we are renowned for our leadership in fire protection engineering – a legacy of responsibility we have proudly upheld since 1939. Today, our expertise extends broadly across closely related security and risk-based fields – from accessibility consulting and risk analysis to process safety, forensic investigations, security risk consulting, emergency management, digital innovation and more. Our engineers and consultants collaborate to solve complex safety and security challenges, ensuring our clients can protect what matters most. For over 80 years, we have helped mitigate risks that threaten lives, property and reputations. Through technology, expertise and industry-leading research, we remain dedicated to our purpose of making our world safe, secure and resilient. At Jensen Hughes, we believe that creating and sustaining a culture of trust, integrity and professional growth starts with putting our people first. Our employees are our greatest strength, and we value the unique perspectives and talents they bring to our organization. Our wide range of Global Employee Networks connect people from across the organization, supporting career development and providing forums for individuals to share experiences on topics they're passionate about. Together, we are cultivating a connected culture where everyone has the opportunity to learn, grow and succeed together.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description Thermal-Hydraulics Engineers at Oklo are responsible for analyzing fluid flow and heat transfer within a reactor and associated systems. This work includes engineering analyses of thermal-fluid dynamics, clear and thorough documentation of the analyses, as well as interfacing with design teams. A CFD Thermal-Hydraulics Engineer will be responsible for conducting high-fidelity thermal fluid simulations using commercial CFD tools. - Developing and conducting high-fidelity analyses using CFD to analyze thermal-hydraulic behavior through the reactor core, reactor vessel, heat exchangers, power conversion, and balance of plant systems - Proactively designing, modeling, and analyzing thermal hydraulic systems - Developing and utilizing analysis methods that efficiently and effectively build confidence in a design - Performing engineering analyses, which can include thermal, fluid, safety, manufacturability, and cost - Collaborating cross-functionally to define design requirements, and providing technical feedback to quick-iterating design teams - Documenting work using modern tools and techniques, and writing well-written, thoughtful technical reports - Providing technical feedback to quick-iterating design teams Qualifications - Bachelors, Masters, or PhD in a technical field, such as nuclear, mechanical, or aerospace engineering - Proficiency with STAR-CCM+, ANSYS Fluent, OpenFOAM, Nek-5000, or equivalent - Core competencies in heat transfer, fluid dynamics, and thermodynamics first principles - Experience with data processing (e.g., pre-processing, post-processing, scripting) Requirements - Experience with thermal hydraulic engineering principles and multi-physics analysis methods for engineering applications, particularly as they relate to power systems - Experience with nuclear engineering principles and multi-physics analysis methods for engineering applications, particularly as they relate to advanced reactors - Experience with analysis of heat exchangers, turbomachinery, and fluid control systems - Competency with modern software engineering practices and programming languages - Fluency with Python - Experience with reactor transient analysis methods - Experience with systems or reactor safety codes such as GOTHIC, RELAP, TRACE, SAM, or SAS4A/SASSYS-1 Benefits - Salary: $73,000 - $157,000 base salary, performance incentives, and equity - Flexible time off - Equity - Competitive pay - 401k - Health insurance - FSA - Flexible work hours - Other benefits Company Description Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description Thermal-Hydraulics Engineers at Oklo are responsible for analyzing fluid flow and heat transfer within a reactor and associated systems. This work includes engineering analyses of thermal-fluid dynamics, clear and thorough documentation of the analyses, as well as interfacing with design teams. A Core Thermal-Hydraulics Methods Engineer will contribute to the development, qualification, and validation of methods for modeling coolant flow within reactor cores using one-dimensional models and intermediate-fidelity subchannel models. - Modeling core thermal-hydraulic behavior using: - Subchannel codes such as DASSH, or MOOSE-Subchannel - One-dimensional systems codes such as SAS4A/SASSYS-1 or SAM - First principles approaches and in-house flow network models - Developing methods to analyze core thermal-hydraulic behavior at steady-state and during transients - Developing and utilizing analysis methods that efficiently and effectively build confidence in a design - Automation, verification, and validation of modeling and simulation tools in support of analyses - Collaborating cross-functionally to define design requirements, and providing technical feedback to quick-iterating design teams - Document work using modern tools and techniques, and write well-written, thoughtful technical reports Qualifications - Bachelors, Masters, or PhD in a technical field, such as nuclear, mechanical, or aerospace engineering - Proficiency with thermal-hydraulics (thermal fluids) analysis methods - Core competencies in heat transfer, fluid dynamics, and thermodynamics first principles - Experience with low-fidelity and intermediate-fidelity (e.g., porous body and correlation-based) models for heat transfer and fluid flow - Experience with numerical methods and software development for heat transfer and fluid flow problems - Experience with data processing (e.g., pre-processing, post-processing, scripting) Requirements - Fluency with Python - Experience with CI/CD computing environments - Experience with reactor systems codes, such as SAS4A/SASSYS-1, SAM, RELAP, TRACE, or GOTHIC - Experience with qualification and validation of analyses - Experience with subchannel analysis codes, such as DASSH, MOOSE-Subchannel, COBRA-TF, or similar - Experience with high-fidelity computational fluid dynamics analysis Benefits - Salary: $73,000-$157,000 - Flexible time off - Equity - Competitive pay - 401k - Health insurance - FSA - Flexible work hours - Other benefits Company Description Oklo Inc. is developing fast fission power plants to deliver clean, reliable, and affordable energy at scale; establishing a domestic supply chain for critical radioisotopes; and advancing nuclear fuel recycling to convert nuclear waste into clean energy. Oklo was the first to receive a site use permit from the U.S. Department of Energy for a commercial advanced fission plant, was awarded fuel material from Idaho National Laboratory, and submitted the first custom combined license application for an advanced reactor to the U.S. Nuclear Regulatory Commission. Oklo is also developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and U.S. National Laboratories.

• Project Engineering & Consulting (50%): Serve as a team member on customer projects, focusing on design, architecture, integration, implementation, and documentation. This includes research, benchmarking, performance and functional testing, reference architectures, sizing, migration, integration, development, and tooling. • Consultative Support (50%): Provide case-initiated consultative support to strategic users, customers, and prospects, assisting with implementation, onboarding, production launches, and Proof of Concepts (POCs). • Provide architectural, technical, and migration assistance, including hands-on tasks. • Work as a member of the Support Team, handling L1 to L3 cases and communications when not actively assigned to customer projects. • Partner closely with ClickHouse Product Management, Engineering, and Sales to contribute to the product roadmap and account plans. • Develop and assist with a wide range of content, including Public and Internal Documentation, Knowledge Base articles, ClickHouse Learning, Reference Architecture, blogs, and benchmark results. • Assist with hiring and mentoring new team members as we grow and scale. • Be available for scheduling and on-call needs to deliver high-quality 24x7 support in a global, distributed environment, including up to 35% estimated onsite regional travel.