Thermal Hydraulics

Thermal Hydraulics Engineer Jobs

14 jobs found

17d ago

Lead Thermal Systems Engineer

Trane Technologies La Crosse, WI

La Crosse, WI

17d ago

$124k - $173k/yr Full time Design Engineering Engineering Heat Exchanger

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Job Description

Trane Technologies is seeking a Lead Thermal Systems Engineer for onsite work in La Crosse, WI to lead concept development, design, and design verification of heat exchanger and fluid flow components for global refrigeration products.

Responsibilities

Mentor thermal systems and product systems engineers across HVAC design and analysis.
Lead technology, productivity, and new product development efforts for new components and improvements to existing product function, reliability, and cost.
Own process and tool development to enable design and integration of new heat exchange components across Commercial HVAC product lines.
Serve as a heat exchanger subject matter expert and support technical design reviews beyond assigned projects.
Drive modeling process improvements to enhance performance and reliability, improving accuracy and speed while reducing testing requirements.
Organize laboratory testing and data analysis for product design and verification.
Partner with suppliers to obtain component designs that meet product requirements.
Lead short-duration ad hoc engineering teams to support heat exchanger product and technology roadmaps.
Collaborate effectively across functional groups including development, production, design, marketing, and suppliers.
Perform occasional overnight travel, including internationally (approximately 10%).

Requirements

Bachelor’s Degree in Engineering and at least 10 years of HVAC or heat exchanger work experience.
Professional Engineer or Master’s Degree in Engineering is a plus.
Fundamental knowledge of vapor compression HVAC technologies and components using high, medium, and low-pressure HCFC, HFC, and HFO refrigerants.
Knowledge of single and two-phase fluid flow for air-to-refrigerant and water-to-refrigerant evaporators and condensers, including ability to develop physics-based performance models.
Understanding of design, performance prediction, and cost analysis for air-to-refrigerant and water-to-refrigerant heat exchangers, including refrigerant evaporation and condensation processes.
Strong understanding of computer simulation tools and theory for HVAC system design.
Quality and customer service orientation in engineering design.
Ability to understand, condense, and organize technical information to make engineering decisions quickly and efficiently.
Resilient team player with capability to contribute as a team member or lead.
Effective communication skills, both written and oral.
Self-starter with high energy and strong career commitment.
Ability to make progress by delivering results and completing projects in a multi-tasking environment.

Benefits

Health insurance
Holistic wellness programs with generous incentives
Fertility coverage
Adoption/surrogacy assistance
401K match up to 6%, plus an additional 2% core contribution (up to 8% company contribution)
15 vacation days
9 paid holidays
3 floating holidays
Sick leave
Educational and training opportunities through company programs, including tuition assistance and student debt support

Work Schedule

Monday to Thursday: onsite with colleagues
Friday: choose work location based on what your work requires

Compensation

Compensation type: Salary
Annual base salary range: USD 123,721 - 173,004
Base pay range (listed): $123,721.66 - $173,004.99

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17d ago

Mechanical Engineer (Manifolds/Liquid Cooling)

Tate Access Floors Inc Columbia, MD

Columbia, MD

17d ago

$110k - $130k/yr Full time Ansys Computational Fluid Dynamics Computational Structural Analysis

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Job Description

The Mechanical Engineer (Manifolds/Liquid Cooling) will serve as a primary subject-matter expert for CFD and FEA analysis supporting fluid flow and pipe stress assessment, along with airflow, thermal, and structural evaluation across Tate Access Floors Inc’s data center infrastructure product portfolio.

Key Responsibilities

Serve as the primary SME for CFD and FEA analysis across relevant product platforms.
Run and interpret CFD studies for airflow distribution, pressure drop, thermal performance, and heat rejection for cooling and fluid manifolds, Air Handling Units (AHUs), and related data center airflow and thermal management components.
Perform FEA simulations to assess structural integrity, vibration, fatigue, and thermal stress, and to support material and thickness optimization for manufacturability and cost.
Develop, validate, and maintain analysis methodologies, assumptions, and best practices.
Collaborate with mechanical design engineers from concept through production release, using simulation outputs to guide product architecture and design decisions.
Validate designs against industry standards and internal performance criteria.
Provide engineering analysis support for customer-specific applications and bids.
Support Sales Engineering with performance validation, custom configurations, technical responses, and customer presentations.
Translate complex simulation results into clear, customer-ready insights.
Support correlation between simulation results and analytical or physical test results.
Assist with prototype testing plans and instrumentation strategies, and identify gaps between analytical predictions and real-world performance to drive improvements.
Standardize CFD/FEA workflows, templates, and documentation.
Mentor junior engineers and cross-functional teams on simulation fundamentals.
Stay current with emerging data center cooling technologies and analysis techniques.
Maintain compliance with the Code of Conduct and related Policies, including the Kingspan Group Compliance Policy and the Product Compliance Policy, and ensure duties align with compliance goals, laws, regulations, and market demands.
Raise concerns related to the Compliance Management System to a supervisor, manager, leadership team member, or via the confidential whistle blower service.

Required Qualifications

Bachelor’s degree in mechanical engineering (required).
Hands-on, practical experience with CFD and FEA tools applied to HVAC and thermal-fluid systems for Data Centers or a related industry.
Strong understanding of fluid dynamics and heat transfer, HVAC systems and airflow management, and structural mechanics and materials.
Proven ability to perform end-to-end simulations independently, from setup through interpretation.

Tools and Technologies

ANSYS Fluent/CFX, Solidworks Flow Sim, Autodesk CFD, OpenFOAM, ANSYS Mechanical, Abaqus, NASTRAN
On-Shape, SolidWorks, Creo
Python, journal files, macros

Compensation and Benefits

Salary range: USD 110,000–130,000 per year
Discretionary bonus eligibility
Medical, dental, and vision benefits, with personalized guidance from a Health Advocate
401k, legal, disability, and theft insurance
Efforts to reduce manufacturing carbon (CO2e) emissions to as close to zero as technically possible, together with halving carbon intensity in the primary supply chain
Career scope and advancement, skills development, and mentorship and development
Highly collaborative, supportive, and social culture

Preferred Experience

Experience in data center infrastructure, liquid cooling, and HVAC equipment
Familiarity with ASHRAE guidelines related to data centers
Experience supporting customer-facing engineering or pre-sales efforts
Master’s or PhD degree in Mechanical Engineering with a Thermal/Fluids or Structural focus

Key Competencies

Strong analytical thinking and problem-solving skills
Ability to balance simulation accuracy with project timelines
Clear technical communication with engineering and non-technical stakeholders
Comfort working across multiple product platforms and priorities

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30d ago

Data Centre Liquid Cooling Engineer

bp Anchorage, AK

Anchorage, AK

30d ago Closed

$135k - $145k/yr Full time Controls Engineering Data Center Liquid Cooling Design Engineering

This position is no longer accepting applications (closed Sep 11, 2026).

Job Description

Lead and execute R&D and engineering/testing work focused on data centre liquid cooling within bp/Castrol’s thermal management business.

Responsibilities

Implement research and development testing projects within the department
Act as a domain specialist for data centre liquid cooling
Design of Experiment (DoE) using statistical techniques
Perform data analysis and produce technical reporting
Provide engineering support for the design, installation and operation of test equipment
Maintain regular project status update reports according to AET policies and practices
Maintain effective networks and relationships with key internal collaborators
Serve as a visible role model by maintaining high operational and HSSEQ standards

Requirements

Degree in a relevant engineering or science field
Over 3 years working as a professional engineer in engineering roles
Demonstrated domain expertise in data centres liquid cooling
Self-starter who can work with some supervision to execute R&D testing projects, including data analysis and reporting

Desirable criteria

Master’s degree or PhD in a relevant engineering or science field
Chartered membership of an industry-recognized engineering organization
Over 2 years experience in a professional engineering testing environment
Over 2 years experience working in an operational engineering / safety-critical environment
Author of peer reviewed published technical papers
Expertise in data analytics or specialist measurement techniques
Proficiency in Computer Aided Engineering tools
Knowledge and experience of immersion cooling of high voltage systems (>30V AC, 60V DC)
Knowledge and experience of data centre technologies

Skills

Agility core practices and tools
Business Requirements Analysis
Collaboration
Continuous Improvement, Creativity and Innovation
Data Analysis, Experimental Design
Formulation Deployment
Intellectual Asset Management
OMS and bp requirements
Personal Safety
Presenting
Problem Solving, Product Development, Project Management
Raw materials knowledge
Resilience
Rheology, Root cause analysis
Safety Leadership and Safety management across the value chain
Science and Technology Leadership
Sustainability awareness and action

Additional information

Safety critical operational role: expected to be on site whenever required to facilitate testing and team activities
Occasional working from home possible as operations and team activities allow
Travel requirement: up to 25%
Relocation assistance: not eligible
Work mode: hybrid of office/remote working

Compensation

Base salary: $135,000 - $145,000 per year

Benefits

US Benefits Select eligibility
Paid vacation depending on years of relevant industry experience: 120–240 hours per year for full time employees; 60–240 hours per year for part time employees
9 paid holidays per year
2 personal choice holidays
bp parental leave policy offering up to 8 weeks’ paid leave for the birth or adoption of a child
Discretionary annual bonus program
Long-term incentive program
Generous retirement benefits including a 401k matching program
Pension for eligible employee
Health, vision, and dental insurance
Life and Short-Term Disability and Long-Term Disability

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1mo ago

Deterministic Safety Analysis (DSA) Engineer II

Holtec Camden, NJ

Camden, NJ

1mo ago Closed

$110k - $135k/yr Full time Analyst DBA Design

This position is no longer accepting applications (closed Aug 11, 2026).

Job Description

Holtec offers a role focused on deterministic safety analysis for the SMR-300, within a culture that prioritizes safety, collaboration, and professional growth. This hybrid position is based in Camden, New Jersey, and comes with a competitive salary and comprehensive benefits from day one.

Salary: USD 110,000 - 135,000 per year

Benefits

Industry leading medical, dental, and vision coverage with a generous employer premium contribution and day one eligibility
FLEX Program offering hybrid work opportunities for eligible roles where business needs allow
401(k) retirement plan with up to a 5% company match and immediate vesting
Paid time off plus 11 paid holidays
Wellness program with rewards for participating in company health initiatives
Commuter benefits supporting mass transit and commuter parking
Company paid life and AD&D insurance
Education assistance to support ongoing education and professional growth
Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and other insurance programs

Note: Benefits eligibility and offerings may vary based on role, location, and employment status.

Responsibilities

Create and execute deterministic safety analyses to show SMR-300 safety and licensing compliance
Assess reactor behavior during anticipated operational occurrences and design basis accidents, including thermal-hydraulic response, core performance, and radiological consequences
Examine key plant systems such as the reactor core, reactor coolant system, engineered safety features, and containment
Assist in preparing licensing documentation, including safety analysis reports and responses to regulatory inquiries
Develop, maintain, and apply analytical methods and computer models used in safety analyses
Conduct verification and validation of analysis codes to ensure accuracy, reliability, and regulatory compliance
Collaborate with multidisciplinary engineering teams to integrate design inputs into safety evaluations
Produce detailed technical reports, calculations, and documentation in line with quality assurance standards such as NQA-1
Ensure analyses are traceable and reproducible and adhere to regulatory and industry requirements

Requirements

Bachelor of Science in nuclear engineering, mechanical engineering, or a closely related field from an accredited college or university
Knowledge of thermal-hydraulic behavior of light water reactors
Experience with industry safety codes such as RELAP5, RETRAN, COBRA, VIPRE, GOTHIC, etc
Minimum of three years of experience developing or applying LWR safety analysis codes and methods
Strong technical writing, interpersonal, and communication skills
Eligible to work under 10 CFR Part 810

Technologies

RELAP5
RETRAN
COBRA
VIPRE
GOTHIC

Location

Camden, NJ, with hybrid work options available

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2mo ago

Lead Engineer – Energy Systems

GE Vernova Niskayuna, NY

Niskayuna, NY

2mo ago Closed

$89k - $149k/yr Full time Ansys Design Engineering Energy Modeling

This position is no longer accepting applications (closed Aug 5, 2026).

Job Description

GE Vernova Advanced Research seeks a Lead Engineer – Energy Systems in Niskayuna, NY (onsite). The role offers a competitive salary range of USD 89,300 to 148,700 per year and supports pursuing impactful energy technology from concept through lab to pilot validation. This position emphasizes turbomachinery, heat transfer, and cross-disciplinary collaboration, with strong opportunities to contribute to national-scale energy solutions. The work location is onsite in Niskayuna, and U.S. work authorization is required.

Benefits

Relocation support to ease the transition
Medical, dental, vision, and prescription coverage
Health coaching and ongoing wellness resources
Employee Assistance Program available 24/7
GE Vernova Retirement Savings Plan with company matching
Financial planning resources and guidance
Tuition assistance for continuing education
Adoption assistance
Paid parental leave
Disability and life insurance
12 paid holidays and permissive time off
Discretionary annual bonus potential

Responsibilities

Lead the design, modeling, and conceptualization of high temperature and high pressure thermal and fluid systems, including advanced power cycles and components
Apply advanced CFD and process/cycle modeling to optimize turbomachinery and energy-system elements
Develop techno-economic analyses to evaluate life cycle economics and performance of novel components
Plan and conduct advanced laboratory-scale tests to validate component and system performance
Create design, commissioning, and testing plans with process diagrams and standard operating procedures for lab and plant scale projects
Develop and manage R&D proposals for government agencies and external partners
Collaborate across GE Vernova units and with national labs, academia, vendors, and customers
Translate experimental data and TEA results into actionable business insights
Pursue patents and establish a publication track through conferences and journals

Requirements

PhD in Mechanical Engineering or a related field, with 3+ years of professional R&D experience in industry, a postdoctoral role, or at a national lab
Experience in applied thermodynamics and thermal systems, analyzing complex cycles, heat transfer, and fluid mechanics to design and optimize energy systems
Hands-on design, modeling, and performance analysis of turbomachinery and integrated energy systems (3+ years)
Track record translating novel concepts into tangible component designs and integrated system development
Experience shaping and executing government-funded R&D proposals, managing technical milestones and compliance for agencies such as DOE or DOD
Legal authorization to work in the United States
Willingness to work at the Niskayuna, NY office location
This role requires a U.S. Person (green card holder or U.S. citizen)

Technologies

Python
MATLAB
Ansys
OpenFOAM
COMSOL
Aspen

Desired characteristics

Expertise in design, analysis, steady-state and transient modeling, testing, and development of advanced power cycles
Experience designing and building experimental test rigs
Strong record of peer-reviewed publications, conference presentations, and patents
Proficiency in Python and MATLAB for data analysis and post-processing
Fluency with CFD tools (Ansys, OpenFOAM, COMSOL) and process-simulation tools (Aspen)
Experience conducting TEA and life cycle assessments for complex energy systems
Mentoring experience for graduate students or junior researchers and commitment to technical excellence and safety
Ability to manage multi-stakeholder relationships across academic partners, national labs, and industrial consortia
Strong interpersonal and communication skills and the ability to work effectively in multidisciplinary teams

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2mo ago

Sr. Research Engineer - Combustion / CFD

Rheem Manufacturing Roswell, GA

Roswell, GA

2mo ago Closed

Full time Senior Ansys CFD

This position is no longer accepting applications (closed Jul 31, 2026).

Job Description

The Sr. Research Engineer for CFD role at Rheem Manufacturing focuses on advancing combustion and computational fluid dynamics across water heating and air handling platforms. The position involves mentoring engineers, driving simulation-driven product improvements, and partnering with cross-functional teams to embed simulation into the product lifecycle.

Responsibilities

Perform CFD simulations to examine combustion and related flow phenomena in water heating and air handling systems.
Develop and implement models for combustion processes, chemical kinetics, heat transfer, and turbulence.
Leverage commercial or open-source CFD tools such as StarCCM+, ANSYS Fluent, CONVERGE, and OpenFOAM to solve complex fluid dynamics problems.
Advance simulation capabilities in CFD, FEA, acoustics, casting, and optimization to support research and new product introductions across water heating and air product lines.
Collaborate with design teams to clarify scope and select appropriate simulation principles and tools for each task.
Coordinate with product development teams to plan experiments and implement simulation findings into design decisions.
Explore new technologies for product value through first principles analysis and 1D or 3D simulation approaches.
Maintain awareness of emerging simulation technologies and methodologies to keep the team at the leading edge of industry practice.

Requirements

Bachelor's degree in Mechanical, Aerospace, or Chemical Engineering
Minimum of five years of experience in industrial simulations, R&D development, and product development
Proven track record in evaluating, analyzing, optimizing, qualifying, and implementing thermal solutions for consumer or industrial products
Strong foundation in thermodynamics, fluid dynamics, combustion physics, and chemical kinetics
Proficiency with CFD tools such as ANSYS Fluent, StarCCM+, CONVERGE CFD, OpenFOAM, or equivalent software
Strong analytical and problem-solving abilities with a history of delivering innovative engineering solutions
Effective communication and interpersonal skills, with the ability to collaborate across functional teams
Demonstrated capability as a technical expert and advisor, guiding complex simulation challenges and engineering decisions
Ability to prioritize and manage simulation activities across projects, including planning, execution, and delivery of results

Technologies

StarCCM+ (Star-CCM+)
ANSYS Fluent
CONVERGE CFD
OpenFOAM

Benefits

401(k)
Dental insurance
Flexible schedule
Parental leave
Tuition reimbursement

Work Location

Hybrid remote work arrangement in Roswell, Georgia 30076.

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2mo ago

Cryogenic & Thermal Systems Engineer

American Superconductor NE Ayer, MA

Ayer, MA

2mo ago Closed

$140k - $180k/yr Full time Design Engineering Engineering Hydraulics

This position is no longer accepting applications (closed Jul 21, 2026).

Job Description

American Superconductor NE seeks a Cryogenic and Thermal Systems Engineer to design, analyze, integrate, and test cryogenic and superconducting systems for advanced power applications. The role emphasizes thermal and hydraulic analysis, performance evaluation, and cross-disciplinary engineering collaboration, based onsite in Ayer, MA, with a annual salary range of USD 140,000 to 180,000. A Bachelor's degree and at least 10 years of relevant experience are required.

Responsibilities

Conduct thermal and hydraulic analyses of cryogenic and superconducting systems to support product development and customer projects.
Support the design, integration, and testing of cryogenic cooling systems, piping, and associated equipment.
Develop engineering calculations, models, and simulations addressing heat transfer, fluid flow, thermal performance, and system operation.
Analyze system performance data and recommend design improvements to enhance efficiency and reliability.
Assist with laboratory testing, prototype evaluations, and system validation activities.
Collaborate with electrical, mechanical, manufacturing, and project engineering teams to deliver robust products and customer deliverables.
Support troubleshooting, root cause investigations, and corrective action development across systems.
Prepare technical reports, test procedures, engineering documentation, and customer-facing deliverables.
Engage with suppliers and conduct technical evaluations of cryogenic system components and equipment.
Assist in developing and executing qualification and reliability testing programs.
Participate in customer and project meetings to provide technical support and engineering expertise.
Maintain awareness of emerging technologies and industry developments related to cryogenic and superconducting systems.
Other duties as assigned to support program goals and timelines.

Requirements

Bachelor's degree in an engineering field.
Minimum of 10 years of experience performing complex thermal and hydraulic analyses for engineered systems.
Strong preference for experience with cryogenic refrigeration systems, liquid gas systems, superconducting technologies, rotating machinery, or energy infrastructure.
Advanced knowledge of thermodynamics, heat transfer, fluid mechanics, and hydraulic system design.
Experience utilizing thermal-fluid modeling and simulation tools.
Ability to develop engineering models and perform system-level performance analyses.
Experience working with cryogenic refrigeration systems and low-temperature fluids such as liquid helium or liquid nitrogen preferred.
Demonstrated ability to lead technical projects and influence engineering decisions across disciplines.
Basic vacuum system knowledge and the ability to analyze a vacuum system.
CFD skills are a plus.