Jaros, Baum & Bolles: Private MEP and fire-protection engineering consultancy serving commercial, healthcare, life-science, aviation, and data-center clients.
4+ YOE4+ years CFD/building simulation experience; B.S. or M.S. in engineering; strong CFD numerical knowledge; hands-on experience with CFD platforms; HVAC fundamentals and strong communication skills.
Spectrum Control: Private RF, microwave, microelectronics, and electromagnetic-interference protection manufacturer serving aerospace, defense, government, medical, and commercial customers.
5+ YOEBachelor's degree in mechanical engineering and 5+ years of engineering experience. Requires CAD, GD&T, CFD, FEA, root cause analysis, DFM, and collaborative communication skills.
SolidWorks, DraftSight, AutoCAD, SolidWorks PDM, SolidWorks Flow Simulation, SolidWorks Simulation, 3D CAD, Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA)
Brooks Automation: Private automation manufacturer serving semiconductor fabs and laboratories with robotics, contamination-control, and laboratory automation systems.
2+ YOEBachelor's in Mechanical Engineering; 2+ years in automation product development; 3D CAD (ProE/ SolidWorks); FEA/CFD; robotics components; automation controls; strong communication; assemblies and problem solving.
Applied Research Associates: Employee-owned U.S. research and engineering providing science, technical support, products, and solutions to government and industry.
8+ YOEBachelor’s degree in mechanical, aerospace, or related engineering; 8+ years’ related experience; CAD and CFD modeling; mechanical design analysis and requirements development; ability to obtain DoD Secret clearance and travel.
CAD, Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA)
MilliporeSigma: Merck KGaA's U.S./Canada life science business supplies research tools, bioprocessing products, and services to scientists and drugmakers.
4+ YOEEngineering doctorate, or master's with 4+ years of industry experience, or bachelor's with 5+ years. Experience with bioprocessing, CFD, modeling, experimentation, data analysis, and technical communication preferred.
Form Energy: Developing cost-effective, multi-day iron-air battery storage technology.
3+ YOEDegree in mechanical engineering or related field (Bachelor's with 5+ years or Master's with 3+ years), SolidWorks proficiency, DFMA and prototyping experience, sheet metal/plastics design; FEA/CFD and plating experience a plus.
Electric Hydrogen: U.S. manufacturer of advanced electrolyzer plants serving heavy industry and clean-hydrogen developers.
0+ YOEBS/MS in mechanical, chemical, or related engineering; 0–6 years product development/design/testing experience; CAD, GD&T, DFMEA, CFD/FEA experience; familiarity with requirements management and electrochemical technologies preferred.
Waters CorporationNYSE: WAT: Public U.S. life-sciences and diagnostics providing analytical instruments, software, and services to regulated laboratories.
2+ YOEBSME required, 2+ years related experience, precision mechanical design, Solidworks/UGNX, FEA/CFD (ANSYS), GD&T, PDM (SAP), Python/AI, strong communication.
Waukesha Bearings: Custom-engineered fluid film and magnetic bearing solutions for high-performing rotating equipment.
15+ YOEBachelor’s or Master’s degree in Mechanical Engineering; extensive AMB design/manufacture experience; 15+ years rotating equipment design; expertise in rotor dynamics, FEA, CFD; strong standards knowledge; leadership and collaboration.
United States or Boston or Washington or Australia
$143k-$165k/yrRemoteFull Time
Istari Digital: Private U.S. software providing secure agentic engineering infrastructure for defense, aerospace, and other no-fail industries.
Bachelor's or Master's in engineering or CS, hands-on experience with CAD/CFD/FEM, strong coding skills, Kubernetes and version control experience, customer-facing consulting experience, willingness to travel up to 50%, U.S. citizenship required.
Lightmatter: Private silicon-photonics building photonic interconnects and lasers for AI data centers and high-performance computing.
5+ YOESenior thermal engineer with MS/PhD in engineering and 5+ years in package/system thermal analysis; expertise in conduction, convection, CFD; experience with advanced cooling tech; proficient in ANSYS tools; lab validation.
MKS InstrumentsNASDAQ: MKSI: Provider of instruments, subsystems, and process control solutions.
8+ YOEBS in Engineering required (MS preferred),8+ years relevant experience,SolidWorks and FEA/CFD analysis experience,vacuum technology and mechanical fabrication knowledge,strong communication and teamwork skills.
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
7+ YOEMS (or pursuing) in engineering/applied physics with heat transfer focus, 7+ years thermal analysis experience, thermal FEA (STAR-CCM+, ANSYS, Icepak, Flotherm), MATLAB/Python proficiency, CFD/CFD modeling, and ability to support test-model correlation; eligible for US Secret clearance.
Protection Strategies Inc.: Employee-owned contract R&D serving government and commercial customers across defense, healthcare, energy, and industrial markets.
4+ YOEBachelor's degree in aerospace, mechanical, or related engineering; 4–10 years' hypersonic propulsion experience; scramjet/RDE/turbine expertise; CFD, thermodynamics, combustion, and integration skills.
Specter Aerospace: Massachusetts aerospace startup developing hypersonic vehicles and propulsion systems for U.S. forces and allies.
3+ YOEBachelor’s degree in aerospace, mechanical, or related engineering; 3+ years’ experience with high-speed simulations, CFD, wind tunnel testing, grid preparation, scripting, and U.S. citizenship for clearance eligibility.
Massachusetts Institute of Technology: A private research university advancing knowledge in science and technology.
3+ YOEMS in Aerospace or Mechanical Engineering; or BS with 3+ years of relevant experience; CFD and high-speed flow coursework; programming for engineering algorithms; strong communication and interdisciplinary teamwork.
Dell TechnologiesNYSE: DELL: Global technology providing hardware, software, and services.
10+ YOEBachelor in Mechanical Engineering, 10+ years in mechanical/thermal engineering with DLC, data center cooling, failure analysis, manufacturing support, CAD proficiency, and executive communication.