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Entry Level Heat Transfer Engineer Jobs in Washington

X Energy LLC

Engineer IV, Safety Analysis & V&V

Rockville, MD · On-site +1

$79K - $104K/yr

The Safety Analysis Engineer performs and oversees thermo-hydraulic safety analysis work supporting ... heat transfer mechanisms, and temperature distributions throughout the reactor system and key ...

X Energy LLC

Engineer IV, Safety Analysis & V&V

Rockville, MD · On-site

$79K - $104K/yr

The Safety Analysis Engineer performs and oversees thermo-hydraulic safety analysis work supporting ... heat transfer mechanisms, and temperature distributions throughout the reactor system and key ...

RSC2, Inc.

Systems Engineer

Fort George G Meade, MD · On-site +1

$70K - $168K/yr

... heat transfer, or soil mechanics. Work Location: Fort Meade, Maryland Employment Type: Full-time, Salary-Exempt Benefits Package: We offer a top-tier benefits package which includes medical, dental ...

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Entry Level Heat Transfer Engineer information

What does an entry level heat transfer engineer do?

An Entry Level Heat Transfer Engineer assists in designing, analyzing, and optimizing systems that involve the transfer of heat, such as heating, cooling, and ventilation systems. They work under the supervision of senior engineers to conduct calculations, run simulations, and prepare technical reports. Their responsibilities may include supporting the development of heat exchangers, thermal systems for electronics, or energy-efficient building solutions. They also help with testing prototypes, troubleshooting issues, and ensuring compliance with safety and industry standards.

What are the key skills and qualifications needed to thrive as an entry level heat transfer engineer?

To thrive as an Entry Level Heat Transfer Engineer, you need a solid background in mechanical or chemical engineering with coursework in thermodynamics and heat transfer, typically supported by a relevant engineering degree. Familiarity with simulation software such as ANSYS, MATLAB, or COMSOL, and a basic understanding of CAD tools, is commonly required. Strong analytical thinking, attention to detail, and effective teamwork and communication skills help you excel in this role. These competencies enable accurate design, analysis, and collaboration, which are essential for solving complex thermal challenges and supporting engineering projects.

What are some typical projects or tasks that entry level heat transfer engineers handle during their first year on the job?

As an Entry Level Heat Transfer Engineer, you can expect to assist with tasks such as conducting thermal analyses, supporting the design and testing of heat exchangers, and creating or updating simulation models. You'll likely work closely with senior engineers and multidisciplinary teams to troubleshoot issues, interpret test results, and help prepare technical documentation. These hands-on experiences not only build your technical skills but also give you insight into industry-specific standards and collaborative project workflows.

What is the difference between Entry Level Heat Transfer Engineer vs Mechanical Design Engineer?

AspectEntry Level Heat Transfer EngineerMechanical Design Engineer
Required CredentialsBachelor's in Mechanical, Mechanical Engineering, or related field; basic knowledge of heat transfer principlesBachelor's in Mechanical Engineering or related; proficiency in CAD software
Work EnvironmentResearch labs, manufacturing facilities, R&D departmentsDesign offices, manufacturing plants, product development teams
Industry UsageHVAC, aerospace, energy, manufacturingAutomotive, consumer products, machinery, aerospace
Common Search/ComparisonYesYes

Entry Level Heat Transfer Engineers focus on analyzing and applying heat transfer principles in various industries, often working in research or manufacturing settings. Mechanical Design Engineers develop and optimize mechanical components and systems, frequently using CAD tools. While both roles require a mechanical engineering background, their daily tasks and industry applications differ, making this comparison useful for those exploring entry-level opportunities in mechanical fields.

What are the most commonly searched types of Heat Transfer Engineer jobs in Washington?

The most popular types of Heat Transfer Engineer jobs in Washington are:

What are popular job titles related to Entry Level Heat Transfer Engineer jobs in Washington?

For Entry Level Heat Transfer Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Entry Level Heat Transfer Engineer jobs in Washington look for?

The top searched job categories for Entry Level Heat Transfer Engineer jobs in Washington are:

What cities in Washington are hiring for Entry Level Heat Transfer Engineer jobs?

Cities in Washington with the most Entry Level Heat Transfer Engineer job openings:

Entry Level Heat Transfer Engineer jobs near you
Infographic showing various Entry Level Heat Transfer Engineer job openings in Washington as of July 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Engineer IV, Safety Analysis & V&V

X Energy LLC

Rockville, MD • On-site, Remote

$79K - $104K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday

Job description

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.
Job Description
This role is responsible for supporting the Risk Informed Safety Analysis team that performs nuclear safety analysis for X-energy technology (e.g., Xe-100) licensing and design, with particular emphasis on thermo-hydraulic analysis. The position provides technical leadership in conducting comprehensive safety evaluations including system and component thermo-hydraulic transient and accident analysis, analysis to support safety function identification and Structures, Systems, and Components (SSC) safety classification, and deterministic safety assessments to inform PRA. The Safety Analysis Engineer performs and oversees thermo-hydraulic safety analysis work supporting regulatory submittances, ensures proper application of NRC regulatory guidance (including RG 1.203 and design-specific interim staff guidance), and collaborates with engineering disciplines to establish design requirements derived from safety analysis. The position also supports verification and validation (V&V) activities to ensure thermo-hydraulic analysis codes are appropriately qualified for their safety analysis applications. Key responsibilities include developing Phenomena Identification and Ranking Tables (PIRTs) for thermo-hydraulic phenomena, performing scaling analyses, conducting accident scenario evaluations using system codes, establishing thermal-hydraulic safety limits and safety margins, and supporting the safety case for TRISO fuel and high-temperature gas-cooled reactor technology.
Job Profile Tasks/Responsibilities
  • Perform comprehensive thermo-hydraulic safety analysis for assigned systems and accident scenarios using approved system analysis codes and methodologies in accordance with NRC regulatory guidance (RG 1.203) and X-energy procedures.
  • Conduct transient and accident analysis evaluating core heat removal, coolant flow behavior, heat transfer mechanisms, and temperature distributions throughout the reactor system and key components for anticipated operational occurrences (AOOs), design basis events (DBEs), design basis accidents (DBAs), and beyond design basis events (BDBEs) to demonstrate adequate core cooling, heat removal capability, and defense-in-depth.
  • Support the development and maintenance of SSC safety classifications through thermo-hydraulic analysis, providing analytical results that demonstrate component performance and safety function capability during accident scenarios and operational transients.
  • Develop and maintain Phenomena Identification and Ranking Tables (PIRTs) to identify and rank thermo-hydraulic phenomena important to reactor safety for various accident scenarios and operational transients.
  • Conduct scaling analyses to demonstrate applicability of experimental thermo-hydraulic data and analytical methods to the Xe-100 design, documenting the technical basis for code applicability.
  • Establish thermo-hydraulic safety limits, safety margins, and acceptance criteria for safety analyses based on regulatory requirements, fuel temperature limits, material temperature limits, and fission product barriers.
  • Support probabilistic risk assessment (PRA) activities by providing deterministic thermo-hydraulic analysis results, identifying initiating events, and supporting the integration of deterministic and risk-informed approaches.
  • Develop technical documentation for regulatory submittals including topical reports, safety analysis reports, code applicability reports for thermo-hydraulic codes, and responses to NRC requests for additional information (RAIs).
  • Ensure thermo-hydraulic safety analysis work products comply with NQA-1 quality assurance requirements and X-energy procedures for safety-related calculations and analyses, and perform work in accordance with X-energy Quality Assurance procedures and maintain documentation to NQA-1 standards.
  • Provide technical input to design teams based on thermo-hydraulic safety analysis results, including identification of cooling requirements, flow path design constraints, heat removal capabilities, and operational limitations.
  • Review and approve thermo-hydraulic safety analysis work products from other analysts, subcontractors, and partners to ensure technical adequacy, regulatory compliance, and consistency with the overall safety case, and support the review and acceptance of thermo-hydraulic analysis software used for safety analysis applications, including oversight of software validation activities to ensure codes are qualified for their intended safety analysis applications.
  • Lead small teams of safety analysts in executing complex thermo-hydraulic safety evaluations and developing integrated safety analysis documentation.
  • Provide technical guidance and mentorship to junior safety analysts on thermo-hydraulic analysis methodologies, system code application, regulatory requirements, and industry best practices, serve as a technical resource for thermo-hydraulic analysis software applications, providing guidance on appropriate
    selection and use of system codes, nodalization approaches, and modeling techniques for specific safety analysis problems, and share knowledge related to industry best practices, regulatory precedents, and thermo-hydraulic safety analysis standards with others across the team.
  • Collaborate with other engineering disciplines (neutronics, structural, materials, reactor systems) to ensure thermo-hydraulic safety analysis assumptions are consistent with design basis and that safety-derived requirements are properly implemented, and interface with regulatory agencies, industry partners, and external stakeholders to support the technical basis for X-energy's thermo-hydraulic safety analysis approach and licensing strategy.
  • Assess quality of information given and ask pertinent questions to stakeholders to ensure thermo-hydraulic safety analysis is based on sound technical foundations.
  • Provide the Xe-100 Team leads with frequent updates on progress and promptly communicate adverse findings or technical concerns related to thermo-hydraulic safety limits and safety margins.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Execute thermo-hydraulic safety analysis assignments with clear objectives while exercising independent judgment on technical approaches and methods.
  • Perform other duties as assigned by manager.

Job Minimum Qualifications
  • Bachelor's degree in engineering (nuclear, chemical, mechanical, etc.) or related degree from an accredited institution.
  • Typically, ten years of experience in an engineering role.
  • A master's degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience.
  • A Ph.D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience.
  • Previous experience at X-energy exceeding performance standards may be in lieu of years of experience.
  • Requires specialized knowledge within the function of safety analysis.
  • Requires previous experience with performing V&V or CGD activities.

Location: 9801 Washingtonian Boulevard, Gaithersburg, Maryland
Work Arrangement: 4 Days Onsite per Week
Hours: 8:00am-5:00pm, Mon-Fri
Travel Expectation: 10%
Compensation
As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.
Offers within the posted salary range are commensurate with the individual's qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:
$160,000- $185,000
Position Job Classification
Full time - Exempt
Benefits
X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.
An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.
Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)
E-Verify Participation Link: E-Verify Participation Poster English and Spanish

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