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Fluid Engineering Jobs in Chicago, IL (NOW HIRING)

Principal Engineer (PDE)

Northbrook, IL · On-site

$155K - $175K/yr

Bachelor's or Master's degree in Mechanical Engineering, Thermal/Fluid Engineering, Aerospace Engineering, or Applied Physics from an accredited university program. * Direct Professional Experience:

New

Bachelor's or Master's degree in Mechanical Engineering, Thermal/Fluid Engineering, Aerospace Engineering, or Applied Physics from an accredited university program. * Direct Professional Experience:

New

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Fluid Mechanics Tutor

Evanston, IL · Remote

$18 - $40/hr

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Fluid Mechanics Tutor

Chicago, IL · Remote

$18 - $40/hr

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Fluid Mechanics Tutor

Skokie, IL · Remote

$18 - $40/hr

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Fluid Mechanics Tutor

Oak Lawn, IL · Remote

$18 - $40/hr

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Fluid Mechanics Tutor

Wheaton, IL · Remote

$18 - $40/hr

Emphasizes connecting mathematical analysis to physical fluid behavior and engineering design applications. * Curriculum Awareness & Adaptive Instruction: Familiar with fluid mechanics curricula and ...

Field Sales Representative

Waukegan, IL · On-site

$19 - $26.25/hr

As one of North America's leading fluid power integrators, we boast a robust network of 42 locations in the U.S. and Canada, delivering a fully integrated suite of supply, design, engineering, repair ...

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Showing results 1-20

Fluid Engineering information

See Chicago, IL salary details

$47.9K

$151.3K

$179.2K

How much do fluid engineering jobs pay per year?

As of Aug 26, 2026, the average yearly pay for fluid engineering in Chicago, IL is $151,295.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,000.00 and $178,200.00 per year, depending on experience, location, and employer.

What is fluid engineering?

A Fluid Engineering job involves the study and application of fluid mechanics to design, analyze, and improve systems involving liquids and gases. Fluid engineers work in industries like aerospace, automotive, energy, and manufacturing to optimize fluid flow, heat transfer, and pressure dynamics. They use computational simulations, laboratory testing, and mathematical models to ensure efficiency and safety in various applications, such as pipelines, HVAC systems, and hydraulic machinery.

What are the key skills and qualifications needed to thrive in fluid engineering?

To thrive in Fluid Engineering, you need a solid background in fluid mechanics, mathematics, and engineering principles, typically supported by a degree in mechanical, chemical, or civil engineering. Familiarity with computational fluid dynamics (CFD) software, CAD tools, and industry standards or certifications such as PE (Professional Engineer) licensure is beneficial. Strong problem-solving skills, attention to detail, and the ability to communicate complex concepts clearly are important soft skills for this role. These skills ensure accurate analysis, effective design solutions, and successful collaboration on engineering projects involving fluid systems.

What types of projects or industries do fluid engineers typically work in?

Fluid Engineers are often involved in a wide range of projects across industries such as oil and gas, water treatment, energy, aerospace, and manufacturing. Their daily work may include designing and optimizing pipelines, pumps, HVAC systems, and fluid transport networks, as well as analyzing fluid behavior to improve efficiency and safety. These professionals often collaborate closely with multidisciplinary teams of engineers, project managers, and technicians to deliver practical solutions. This diversity of projects provides opportunities to expand technical skills and achieve career growth in various sectors.

What do fluid engineers do?

Fluid engineers design, analyze, and optimize systems involving liquids and gases, such as pipelines, pumps, and turbines. They use principles of fluid mechanics and often work with simulation software to improve efficiency and safety in industries like energy, aerospace, and manufacturing.

What are the most commonly searched types of Fluid Engineering jobs in Chicago, IL?

The most popular types of Fluid Engineering jobs in Chicago, IL are:

Infographic showing various Fluid Engineering job openings in Chicago, IL as of August 2026, with employment types broken down into 90% Full Time, 6% Part Time, 3% Contract, and 1% Nights. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $151,295 per year, or $72.7 per hour.

Principal Engineer (PDE)

UL Solutions

Northbrook, IL • On-site

$155K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted yesterday

New


UL Solutions rating

8.3

Company rating: 8.3 out of 10

Based on 27 frontline employees who took The Breakroom Quiz

29th of 120 rated laboratories


Job description

  • Serves as Regional or Global SME for multiple technologies.
  • Serves as representative on standards committees.
  • Publishes articles related to technical expertise.
  • Studies and understands test standards, testing technology, and regulations for scope of responsibility.
  • Takes on role as Subject Matter Expert (SME) for standards, industry, and/or test capability.
  • May represent UL at industry related functions such as seminars, trade shows or standards committees.
  • Manages or develops new standard programs and capabilities for region or globally.
  • Has detailed understanding of test techniques, procedures, and equipment.
  • Performs complex test procedures when necessary.
  • Provides training to staff when necessary.
  • Follows up on contacts from clients and communicates technical issues, Test Standard explanations, certification requirements and UL procedures and requirements.
  • Acts to address client concerns and resolve issues for a region or global office.
  • Drives for consistency and enhanced quality in area of expertise.
  • Within their region, or for the wider organization, operates and maintains test equipment appropriately to measure and test customer samples.
  • Performs maintenance on designated test equipment and laboratory area.
  • May perform calibration of test equipment.
  • Integrates continuous improvement concepts and techniques into all aspects of the job for a region or global office.
  • Manages and reviews related internal documents for accuracy.
  • Develops special test methods and test equipment for new standards, test requirements, or improved efficiency, when needed.
  • Likely to support the business externally through travelling to meetings at client sites, attendance at industry related events and other meetings.
  • Read and follow the Underwriters Laboratories Code of Conduct and follow all physical and digital security practices.
  • Performs other duties as directed.
  • Formal Educational Background: Bachelor's or Master's degree in Mechanical Engineering, Thermal/Fluid Engineering, Aerospace Engineering, or Applied Physics from an accredited university program.
  • Direct Professional Experience: A minimum of 12+ years of direct, progressive engineering experience in high-density data center cooling design, advanced HVACR product development, or comprehensive thermal management engineering within high-performance computing (HPC) or hyperscale cloud ecosystems.
  • Track Record of Leadership: Demonstrated history of direct management or programmatic leadership of high-performing, cross-functional global teams of technical experts and laboratory specialists, with a clear adherence to formal corporate codes of conduct and comprehensive digital/physical security protocols.

What we offer:

  • Total Rewards:  We understand compensation is an important factor as you consider the next step in your career. The estimated salary range for this position is $155,000-$175,000 and is based on multiple factors, including job-related knowledge/skills, experience, geographical location, as well as other factors. This position is eligible for annual bonus compensation with a target payout of 20% of the base salary. This position also provides health benefits such as medical, dental and vision; wellness benefits such as mental and financial health; and retirement savings (401K) commensurate with the standard rewards offered in each individual location or country. We also provide full-time employees with paid time off including vacation (15 days), holiday including floating holidays (12 days) and sick time off (72 hours). 
A. Boundary Architect (Regulatory & Standards)
  • Hazard Protocols: Engineer safety evaluations for coolant leaks, dielectric fluid chemistry, and A2L/A3 refrigerant flammability.
  • Commercial Vision: Convert thermal management trends and safety metrics into profitable commercial services.
B. Ecosystem Developer (OCP & Market Alignment)
  • OCP Standardization: Embed UL safety philosophies into Cold Plate, Immersion, and Heat Reuse open specifications.
  • Service Creation: Launch 'UL Verified' programs to validate cold plate dissipation and universal quick disconnect (UQD) interchangeability.
  • Industry Influence: Drive technical consensus across competing vendors, hyperscalers, ASHRAE TC 9.9, and the Green Grid.
C. Sustainability & Regulatory Driver
  • Heat Reuse Certification: Architect programs to rate waste heat quality for predictable utility grid monetization.
  • Global Compliance: Align offerings with DOE, NRCan, EU EED, and Ecodesign frameworks ahead of regulatory enforcement.
Key Essential Tasks
  • Performance Testing: Operationalize lab suites validating cold plate thermal resistance, pressure drop, and hydraulic impedance.
  • Blind-Mate Interoperability: Establish mechanical regimes for Open Rack V3 (ORv3) manifolds to prevent binding and bypass.
  • Dielectric Compatibility: Standardize chemical and electrical compatibility tests between immersion fluids and server components.
  • Leak Detection Integration: Map unified Redfish API schemas to trigger automated isolation across CDUs and loops.
  • Thought Leadership: Publish white papers on regulatory minefields like PFAS restrictions and global F-Gas phasedowns.
  • Workforce Training: Build global laboratory capacity through standardized internal engineering curricula.

What UL Solutions employees say

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