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18 fluids engineer jobs at 10 companies in Leesburg, VA

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2026 Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Bachelor's or Master's in Mechanical Engineering (or closely related), demonstrated interest in fluid dynamics, willingness to learn digital engineering tools, able to travel ~5%, and able to obtain an Interim Secret clearance (U.S. citizenship required).
OpenFOAM, StarCCM+, MATLAB, Simulink, Python, High-Performance Computing (HPC)
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1mo
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Senior Propulsion Development Engineer, Ground Fluids
El Segundo or Washington or Huntsville
$140k-$232k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEB.S. in aerospace/mechanical engineering or equivalent, 3+ years propulsion fluid systems experience, proficiency with Piping and Instrumentation Diagrams, CAD and PLM, hands‑on fluid hardware and test/operations experience, and ability to author procedures.
Piping and Instrumentation Diagrams (P&IDs), CAD, PLM
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1mo
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2026 PhD Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team
Laurel, Maryland, United States
$105k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
PhD in Mechanical Engineering or closely related field; demonstrated interest in fluid dynamics; willing to learn new tools; able to travel ~5%; able to obtain Interim Secret and ultimately Secret clearance (U.S. citizenship required).
Computational Fluid Dynamics (CFD), OpenFOAM, StarCCM+, MATLAB, Simulink, Python, High-Performance Computing (HPC)
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3mo
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Mechanical Engineer (Manifolds/Liquid Cooling)
Columbia or Glasgow or St. Paul or Pocahontas or Red Lion
$110k-$130k/yr OnsiteFull Time
Tate
TateEuronext Dublin / London Stock Exchange: KRX / KGP: Global manufacturer of data center infrastructure and access flooring.
Bachelor's degree in mechanical engineering and hands-on CFD/FEA experience with HVAC and thermal-fluid systems; requires fluid dynamics, heat transfer, structural mechanics, and independent simulation expertise.
CFD, FEA, ANSYS Fluent, ANSYS CFX, Solidworks Flow Sim, Autodesk CFD, OpenFOAM, ANSYS Mechanical, Abaqus, NASTRAN, On-Shape, SolidWorks, Creo, Python
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3w
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Process Engineer II
Middletown, Virginia, United States
OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
2+ YOEBachelor's in engineering, 2+ years regulated manufacturing engineering experience, experience with purified water/fluid handling preferred, cGMP/ISO familiarity, validation and documentation skills.
Blue Mountain, MasterControl, SAP, AutoCAD, SolidWorks, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint
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Senior Engineer, Advanced Thermal Applications
Jessup, Maryland, United States
$90k-$154k/yr OnsiteFull Time
Baltimore Aircoil Company
Baltimore Aircoil Company: Manufacturer of evaporative cooling and thermal storage systems.
5+ YOEBachelor's degree in mechanical engineering or related field and 5+ years in HVAC, with fluid mechanics, heat transfer, thermodynamics, communication, and analytical problem-solving skills.
CFD
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Staff Engineer Thermal Modeling
Jessup, Maryland, United States
$90k-$154k/yr OnsiteFull Time
Baltimore Aircoil Company
Baltimore Aircoil Company: Manufacturer of evaporative cooling and thermal storage systems.
8+ YOEBachelor's in mechanical or chemical engineering and 8–10 years' engineering experience, or master's and 4–6 years. Requires thermodynamics, heat transfer, fluid mechanics, programming, modeling, and technical communication expertise.
C#, C++, MATLAB, EES, Microsoft Excel VBA, Microsoft .NET, Ansys Fluent, Autodesk CFD, Design of Experiments (DOE), CoilDesigner, HTRI Xchanger Suite, CAD, VPN
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1mo
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Production Engineer – Hydrogen / Piping
Winchester, Virginia, United States
OnsiteFull Time
Heven AeroTech
Heven AeroTech: Manufacturing hydrogen-powered long-endurance unmanned aerial systems.
3+ YOEBachelor's in engineering or equivalent experience, 3+ years assembling/testing high-pressure gas/fluid systems, Swagelok proficiency, P&ID interpretation, pressure testing and leak detection, safety and documentation skills.
Swagelok, PLC
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3mo
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Senior Mechanical Engineer (CFD and FEA)
Columbia, Maryland, United States
$110k-$130k/yr HybridFull Time
Tate
Tate: Manufactures raised access floors and data center infrastructure solutions.
Lead CFD and FEA analysis for data center products; BS in mechanical engineering; hands-on CFD/FEA experience; HVAC/thermal-fluid systems knowledge.
ANSYS Fluent/CFX, SolidWorks Flow Simulation, Autodesk CFD, OpenFOAM, ANSYS Mechanical, Abaqus, NASTRAN, Onshape, SolidWorks, Creo, Python
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3w
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Thermal/Hydraulics Engineer
Bethesda, Maryland, United States
$110k-$240k/yr OnsiteFull Time
Ocean Atomics
Ocean Atomics: Designing standardized nuclear power plants for maritime applications.
Bachelor's in nuclear or mechanical engineering, experience in reactor thermal/hydraulic design, proficiency with COBRA, VIPRE, STAR-CCM+, strong fluid mechanics/heat transfer/two-phase flow knowledge, and experience integrating test data into models.
COBRA, VIPRE, STAR-CCM+
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1mo
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Thermal Hydraulics Engineer III-V
Rockville, Maryland, United States
$115k-$200k/yr OnsiteFull Time
X-energy
X-energy: Develops advanced small modular nuclear reactors and fuel technology.
5+ YOEBachelor's in mechanical or related engineering, proficiency with engineering hand calculations, CFD experience (STAR-CCM+, Fluent or similar), CFD model development, heat transfer/fluid mechanics analysis, V&V, and design documentation; 5+ years experience for Level III (more for higher levels).
STAR-CCM+, Fluent, Computational Fluid Dynamics (CFD)
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2w
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Hydrogen Test Engineer
Winchester, Virginia, United States
$95k-$120k/yr OnsiteFull Time
Heven AeroTech
Heven AeroTech: Manufacturing hydrogen-powered long-endurance unmanned aerial systems.
3+ YOEBachelor's or equivalent experience, 3+ years testing electromechanical/fluid/power systems, hands-on DAQ and electronic loads experience, high-pressure gas testing (300+ bar), familiarity with ASME/CGA/NFPA standards, ability to travel ~25%.
Data Acquisition (DAQ), Electronic loads
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1mo
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Senior Propulsion Engineer- Hardware and BUS Systems
El Segundo or Washington or Huntsville
$140k-$179k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEB.S. in aerospace/mechanical or equivalent experience; 3+ years propulsion fluid systems hands-on experience; proficiency with P&IDs, CAD and PLM; experience authoring operational procedures and leading test or propellant campaigns.
Piping and Instrumentation Diagrams (P&IDs), CAD, PLM, CNC, CFD
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3w
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Principal Engineer, Advanced Thermal Modeling
Jessup, Maryland, United States
$108k-$185k/yr OnsiteFull Time
Baltimore Aircoil Company
Baltimore Aircoil Company: Manufacturer of evaporative cooling and thermal storage systems.
12+ YOE2+ MgmtBachelor's in mechanical/thermal field, ~12+ years thermal modeling experience, 2+ years leading technical teams, expertise in thermodynamics/heat transfer/fluid dynamics, experience with modeling, simulation, validation and communicating results.
MATLAB, EES, Python, C#, C++, VBA, Modelica/Dymola, EnergyPlus, CFD
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1w
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2027 Graduate - Thermal and EO/IR Modeling and Simulation Engineer
Laurel, Maryland, United States
$85k-$165k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
Master's in mechanical/aerospace or related with coursework in heat transfer, thermodynamics, numerical analysis or fluid dynamics; programming in Python, MATLAB, C++, or Shell; Linux experience preferred; strong communication; ability to obtain Interim and Final Secret clearance (US citizenship).
Python, MATLAB, C++, Shell, Linux
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5d
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Propulsion Engineering Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Pursuing an engineering bachelor's or master's degree with relevant propulsion coursework, fluids fundamentals, hands-on fluid-system experience, engineering software familiarity, and exposure to pressurized or combustion systems.
NX, Teamcenter, GD&T, MATLAB, Python
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2w
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Private Tutor – Fluid Mechanics | Engineering (College Level)
Bethesda, Maryland, United States
$36/hr RemotePart Time
Club Z! Tutoring
Club Z! Tutoring: Provides personalized in-home and online tutoring and test prep.
College-level engineering subject-matter knowledge in Fluid Mechanics, prior college tutoring/TA experience preferred, comfortable tutoring virtually (Zoom/Google Meet), dependable and professional, able to submit weekly session notes.
Zoom, Google Meet
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1mo
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B-Level Automotive Technician
Westminster, Maryland, United States
$60k-$90k/yr OnsiteFull Time
Auto Correct Car Care
Auto Correct Car Care: Family-owned automotive repair and maintenance services.
3+ YOE3+ years shop technician experience; strong skills in brakes, steering/suspension, alignments, fluid services, light engine repair; own tools; desire to learn advanced diagnostics; ASE certifications a plus.
Digital Vehicle Inspections (DVI), scan tool
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