7 hardware mechanical engineer jobs at 6 companies in St. Charles, IL

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Principal Systems Engineer, Communications Hardware (Remote Eligible | Relocation Assistance Available)
Chicago or New York City or Boston or Scottsdale
$211k-$242k/yr HybridFull Time
Carbyne
Carbyne: A technology developing connected hardware and cloud software for public safety and emergency response.
10+ YOERequires 10+ years of hardware engineering experience, expertise in at least two of electrical, RF, or mechanical engineering, and experience owning architecture, certification, validation, and mass production.
Altium, Cadence, SolidWorks, Creo, NX, PLM, BOM
3mo
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Senior Hardware Product Manager
Chicago or New York City
$200k-$300k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: Private quantitative trading firm providing liquidity across global markets and directly to financial-market clients.
10+ YOE10+ years in hardware product engineering or management; mechanical or electrical engineering experience preferred. Requires server, rack, datacenter, vendor, sourcing, and hardware design expertise, with travel ability.
Finite Element Analysis, PCIe, Open Compute Project, MGX, Redfish, OpenBMC, Linux, CAD, BOMs, RFQs, RFPs
3mo
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Senior Hardware Product Manager
Chicago or New York
$200k-$300k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: Private quantitative trading firm providing liquidity across global markets and directly to financial-market clients.
10+ YOE10+ years in hardware product engineering or product management; experience with ODM/JDM vendors; mechanical/electrical engineering (PE/FE preferred); strong vendor management and data-driven design.
PCIe, Redfish, OpenBMC, Linux, Open Compute Project
1d
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Staff Simulation Engineer
Lisle, Illinois, United States
$100k-$130k/yr OnsiteFull Time
Molex
Molex: Electronic, electrical, and fiber-optic connectivity systems manufacturer serving automotive, industrial, medical, and data-center customers.
7+ YOEBachelor's degree in Mechanical Engineering, 7+ years in CFD, FEA, CHT, and multiphysics simulation, commercial CFD/FEA tools, liquid cooling hardware, and test-data correlation.
CFD, Ansys Fluent, CFX, STAR-CCM+, Ansys Mechanical, Abaqus, Python, MATLAB, FEA, Open Compute Project (OCP)
4d
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Systems Engineer/Principal Systems Engineer - Integration & Test
Rolling Meadows, Illinois, United States
$88k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
2+ YOEBachelor's or master's degree in electrical, mechanical, or related engineering plus 2–5+ years of experience depending on level; hardware/software/firmware testing, troubleshooting, technical presentations, US citizenship, and Secret clearance eligibility required.
DOORS, Verification Cross Reference Matrices (VCRMs), Cameo, MATLAB, C, C++, Java, Python
1d
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Instrumentation and Control (I&C) Engineer- Early Career
Kennesaw or Naperville
OnsiteFull Time
Enercon Services, Inc.
Enercon Services, Inc.: Private engineering and environmental services firm supporting utilities, nuclear operators, developers, and energy infrastructure clients.
1+ YOEBachelor’s or master’s degree in electrical or mechanical engineering, 1–3 years’ experience, digital I&C knowledge, electrical calculations, regulatory standards, strong communication and analytical skills, and travel availability.
Original Equipment Manufacturers (OEMs), digital hardware, digital I&C systems, Engineering Change Packages (ECPs), FAT/SAT, Microsoft
2mo
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SkillBridge Critical Facilities Engineer, Data Center - Hiring our Heroes Cohort Q3' 2026
Ashburn or Chicago or Denver or San Jose or Dallas or Miami
HybridFull Time, Internship
Equinix
EquinixNASDAQ: EQIX: Global provider of data center colocation and interconnection services.
1+ YOETechnical associate degree, military or civilian trade school, or relevant experience; 1–4 years in mechanical engineering or related work; HVAC, critical infrastructure, data center operations, communication, and 50-pound lifting ability.
UPS, generator, BMS, chillers, life safety systems, HVAC, IT hardware, MOPs