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19 fluids engineer jobs at 12 companies in Arlington Heights, IL

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Fluids Engineer
Oak Brook, Illinois, United States
$87k-$133k/yr HybridFull Time
CNH
CNHNYSE: CNH: Designs and manufactures agricultural and construction machinery.
6+ YOEBachelor's degree in science or engineering with chemistry background, 6+ years in fluid development or processing, laboratory fluid analysis, standards knowledge, technical writing, communication, and independent project leadership.
Microsoft Office
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3mo
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Thermal-Fluids Mechanical Engineer
Batavia, Illinois, United States
$89k-$117k/yr OnsiteFull Time
Fermilab
Fermilab: Operates particle accelerators for fundamental high-energy physics research.
4+ YOEBachelor's in engineering with 4+ years’ experience, or Master’s/PhD with 2+ years; onsite at Batavia, IL; DOE regulatory compliance; mechanical design, analysis, and project leadership.
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Hydraulic Simulation Engineer
Oak Brook, Illinois, United States
$86k-$133k/yr HybridFull Time
CNH
CNHNYSE: CNH: Designs and manufactures agricultural and construction machinery.
3+ YOEBachelor's in mechanical engineering, 3+ years relevant experience with hydraulic systems, experience with AMESim or MATLAB/Simulink, troubleshooting fluid power, and willingness to travel up to 10%.
AMESim, MATLAB/Simulink
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2w
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Applications Engineer
University Park or Denver
$85k-$95k/yr HybridFull Time
IMI
IMILondon Stock Exchange: IMI: Manufactures and services fluid and motion control engineering products.
0+ YOEBachelors in Mechanical/Electrical/Mechatronics or related; open to recent grads (0-3 years); fluid power pneumatic certification within 12 months; proficiency with MS Office and Salesforce; CAD familiarity preferred; competent engineering judgment.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Salesforce, CAD
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Engineer, Mechanical
Schaumburg, Illinois, United States
$70k-$80k/yr OnsiteFull Time
Aecon
AeconToronto Stock Exchange: ARE: Constructs large-scale transportation, energy, and utility infrastructure projects.
BS in Mechanical Engineering or equivalent, knowledge of ASME/ANSI B31.1, piping stress, fluid flow, thermodynamics, strong technical writing and communication, ability to travel up to 20%, US citizen or permanent resident required for nuclear site access.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Fluid Power Component Engineer
Modena or Oak Brook
€39k-€52k/yr HybridFull Time
CNH
CNHNYSE: CNH: Designs and manufactures agricultural and construction machinery.
2+ YOEDesign, validate, and support hydraulic components for mobile equipment; experience with simulation, NVH, fluid evaluation, testing, and cross-functional collaboration required.
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Mechanical Engineer 3 - Nuclear
Chicago, Illinois, United States
$74k-$114k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
3+ YOEBS/MS in Mechanical Engineering, minimum 3 years experience, strong thermodynamics/heat transfer/fluid mechanics knowledge, MS Office proficiency, strong report writing and problem-solving skills.
MS Office, Microsoft Excel, Python, MATLAB
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Sr. Dairy Processing Engineer
Chicago, Illinois, United States
$135k-$165k/yr OnsiteFull Time
fairlife
fairlifeNYSE: KO: Produces nutrient-dense and ultra-filtered dairy products and shakes.
5+ YOESenior dairy processing engineer expert in membrane separations, thermal processing, and end-to-end milk operations; 5-10 years in fluid dairy processing; MS in related field; strong leadership and collaboration.
HTST, HHST, UHT, ultrafiltration, membrane separations, standardization, homogenization, pasteurization, aseptic processing
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Senior Design and Production Engineer
Cary, Illinois, United States
$100k-$150k/yr HybridFull Time
Custom Cylinders
Custom Cylinders: Manufactures custom pneumatic and hydraulic cylinders and valves.
5+ YOEBachelor’s in Mechanical Engineering; 5+ years in product design/production engineering; 3+ years designing fluid power components; proficiency with Fusion 360; knowledge of machining/assembly for hydraulics/pneumatics; experience with quality systems.
Fusion 360, ERP (EPICOR Kinetic)
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Lead CFD Mechanical Design Engineer
Rosemont, Illinois, United States
$129k-$161k/yr HybridFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
2+ YOEMaster's in mechanical engineering (4–5 yrs) or PhD (2–3 yrs); proficiency with ANSYS Fluent and/or CFX; programming for user subroutines; ability to travel ~10%; expertise in fluid mechanics and multiphase flow valued.
ANSYS Fluent, CFX
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Mechanical Engineer
Roselle, Illinois, United States
$78k/yr OnsiteFull Time
Jacuzzi Group
Jacuzzi Group: Manufactures and sells hot tubs, spas, and bath products.
Bachelor’s in Mechanical Eng (Master’s preferred); strong fluid flow, heat transfer, and mechanical design; CFD tools experience; CAD in SolidWorks; manufacturing/plant background; high-volume/process industries experience preferred; CNC programming experience; product validation and NPI exposure; bilingual English/Spanish a plus.
SolidWorks, CFD, CAD, CAD Tools, Simulation
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Senior Product Development / Thermal Engineer - Liquid Cooling
Schaumburg, Illinois, United States
$85k-$140k/yr OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
4+ YOEBachelor's degree in mechanical/thermal engineering,4+ years product development experience,minimum 3 years liquid cooling and CFD,proficiency with SolidWorks/Creo and ANSYS/FloTHERM,strong fluid dynamics and materials knowledge,project management and customer-facing skills.
SolidWorks, Creo, ANSYS, FloTHERM
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Lead Mechanical Engineer 1 (Power Uprates) - Nuclear
Chicago, Illinois, United States
$118k-$180k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
10+ YOEBSME (ABET) required, 10+ years nuclear industry experience, experience with power uprates/turbine retrofit, strong thermodynamics/heat transfer/fluid mechanics knowledge, report writing, and codes/standards familiarity.
MS Office, Python, MATLAB, Microsoft Excel
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Senior Mechanical Engineer 2 (Power Uprates) - Nuclear
Chicago, Illinois, United States
$100k-$153k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
7+ YOEBSME (ABET) required, 7+ years nuclear power industry experience, experience with power uprates/turbine retrofits, strong thermodynamics/heat transfer/fluid mechanics skills, technical report writing, and MS Office proficiency.
Microsoft Office, Microsoft Excel, Python, MATLAB
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Senior Mechanical Engineer 1 - Nuclear Plant Analysis
Chicago, Illinois, United States
$85k-$129k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Provides engineering and consulting services for the power industry.
5+ YOEABET BSME required, 5+ years nuclear power industry experience, strong thermodynamics/heat transfer/fluid mechanics, report writing, working knowledge of codes/standards, MS Office proficiency, oversight of automation/AI workflows.
Microsoft Office, Microsoft Excel, Python, MATLAB
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Principal Chemical Engr - Fired Heater Specialist
Rosemont, Illinois, United States
$162k-$203k/yr HybridFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
15+ YOEBachelor's in engineering required; 15+ years fired heater design/engineering/operation experience. Expertise in thermal, fluid flow, heat transfer, API codes (API 560/530/535), troubleshooting, mentoring, and global team work.
FRNC
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Senior Scientist II – ADC Reaction Engineer
North Chicago, Illinois, United States
$110k-$209k/yr OnsiteFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
4+ YOEDegree in chemical/bio engineering (BS/MS/PhD) with relevant industrial experience; expertise in ADC reaction development and scale-up, flow chemistry, computational fluid dynamics, highly potent compound handling, tech transfer, and cross-functional leadership.
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Cryogenic Engineering Co-op
Batavia, Illinois, United States
$21-$26/hr OnsiteFull Time
Fermilab
Fermilab: Operates particle accelerators for fundamental high-energy physics research.
0+ YOEMechanical Engineering student; GPA 3.0+; enrolled in a U.S. university; Fall 2026 co-op; on-site in Batavia; cryogenics/thermal-fluids coursework preferred.
3D Modeling, CAD, Data Analysis, Programming
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Field Sales Representative
Waukegan or Illinois or Indiana
FieldFull Time
Berendsen Fluid Power
Berendsen Fluid Power: Distributor and manufacturer of hydraulic and pneumatic control systems.
10+ YOEBachelor's in mechanical/electrical engineering or 10+ years technical experience, valid driver's license, expert knowledge of electrical and fluid power, ability to travel up to 50% with overnight stays, strong communication and problem-solving skills.
AutoCAD LT, CAD, Microsoft Office Suite
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