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693 principal mechanical engineer jobs at 260 companies in United States

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Principal Mechanical Engineer
Broomfield, Colorado, United States
$167k-$230k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
12+ YOEBachelor's degree in Mechanical Engineering or related field; 12+ years mechanical engineering experience; strong design, analysis, and leadership skills; proficient with NX, SolidWorks, ANSYS; able to mentor engineers.
NX, SolidWorks, ANSYS
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Principal Mechanical Engineer
Knoxville, Tennessee, United States
OnsiteFull Time
Mesa Associates
Mesa Associates: Provides engineering and construction management for electric utilities and industry.
10+ YOE10+ years mechanical engineering experience; PE license; BS in Mechanical Engineering; proficiency in ASME/ANSI/API/NFPA; experience with AutoCAD, SolidWorks, Plant3D; leadership and project management.
AutoCAD, SolidWorks, Plant3D, AutoPIPE, Caesar II, Inventor, ReCap, MicroStation, Vault, Bluebeam, FARO Scene
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Principal Mechanical Engineer - Instruments
Orange or Sunnyvale
$220k-$330k/yr OnsiteFull Time
Intuitive
IntuitiveNASDAQ: ISRG: Robotic-assisted systems for minimally invasive surgery.
15+ YOEBachelor’s or Master’s in Engineering; 15+ years medical device exp; advanced mechanical instrument development; regulatory compliance; design leadership and mentorship.
Mechanical Engineering, Robotics, Medical Devices, Regulatory Compliance
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3mo
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Principal Mechanical Engineer
Milpitas, California, United States
$150k-$225k/yr OnsiteFull Time
Commonwealth Fusion Systems
Commonwealth Fusion Systems: Designing and building commercial fusion energy power plants.
15+ YOE15+ years in design/implementation of complex R&D or semiconductor equipment; Masters in Mechanical Engineering; expertise in thermal, vacuum systems, and precision mechanical design.
SolidWorks, NX, COMSOL, ANSYS
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Principal Mechanical Engineer
Austin, Texas, United States
OnsiteFull Time
Saronic
Saronic: Building autonomous surface vessels for maritime defense operations.
10+ YOE10+ years in mechanical engineering; degree; design, analysis, hardware development; 3D CAD; security clearance eligibility.
Siemens NX, SolidWorks, Creo
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Principal Mechanical Engineer
Seattle, Washington, United States
$139k-$292k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
10+ YOESenior mechanical engineer with leadership in design, reliability, manufacturing, and thermal management; expertise in CAD, FEA, and cross-functional collaboration.
CAD (ProE, SolidWorks), FEA, CFD, FloTHERM, Icepak, Java, Python
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3mo
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Principal Mechanical Engineer / Sr. Principal Mechanical Engineer 16935
Roy, Utah, United States
$89k-$134k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOESenior mechanical engineer with CAD NX experience; active DoD Secret clearance; STEM degree; 5+ yrs (Principal) or 8+ yrs (Sr Principal); knowledge of standards and MBSE.
Siemens NX, Teamcenter, MBSE, DOORS, CAMEO, Jira, Confluence
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Principal Mechanical Engineer
United States
RemoteFull Time
MasTec
MasTecNYSE: MTZ: Constructs and maintains critical energy and communications infrastructure.
10+ YOEBachelor's in Mechanical Engineering; 10+ years in power delivery/substations; PE license preferred; strong leadership; CAD/FEA proficiency.
AutoCAD, Revit, CFD, Pipe-Flo, Thermoflow, ANSYS, SolidWorks
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1mo
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Principal Mechanical Engineer / Sr. Principal Mechanical Engineer
Gilbert, Arizona, United States
$98k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEBachelor's in Mechanical Engineering or related STEM with 5+ years (or Master's with 3+ years) for Principal; 8+/6+ years for Sr. Principal. Must be able/willing to obtain Top Secret/SCI clearance; experience with CAD, GD&T, materials, and spacecraft integration.
Creo Parametric
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Principal Mechanical Engineer
United States
RemoteFull Time
MasTec
MasTecNYSE: MTZ: Provides infrastructure engineering, construction, and maintenance services.
10+ YOEBachelor’s in Mechanical Engineering; 10+ years in power delivery/substations; PE license preferred; CAD/FEA software proficiency; strong standards knowledge.
AutoCAD, Revit, CFD, Pipe-Flo, Thermoflow, ANSYS, SolidWorks
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Principal Mechanical Engineer
United States
RemoteFull Time
MasTec
MasTecNYSE: MTZ: Builds and maintains energy and communication infrastructure.
10+ YOE10+ years mechanical engineering in power delivery, substations, or energy infrastructure; leadership of multidisciplinary project teams; design, analysis, and construction documentation oversight.
AutoCAD, Revit, CFD, Pipe-Flo, Thermoflow, ANSYS, SolidWorks
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Principal Mechanical Engineer
Sterling, Virginia, United States
OnsiteFull Time
Trident Systems
Trident Systems: Develops high-performance electronics for space and defense.
9+ YOESenior mechanical engineer with 9+ years experience in aerospace/space hardware, ABET degree, CAD/FEA expertise, PDM experience, and cross-disciplinary collaboration.
SolidWorks, ANSYS Workbench, PDM
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Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Worley
WorleyASX: WOR: Provides engineering and project delivery services for energy and resources.
Extensive mechanical engineering experience with project leadership, cost estimating and proposal writing; competent with engineering software and MS Office; bachelor’s in mechanical engineering required; PE preferred.
Microsoft Office
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Principal Mechanical Engineer
Austin, Texas, United States
$180k-$270k/yr OnsiteFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Principal-level mechanical engineering experience in server/GPU systems, expert CAD (Creo or SolidWorks), DFM and manufacturing knowledge, cross-functional leadership, and strong communication skills.
Creo, SolidWorks
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Sr Principal Mechanical Engineer
Plano or Wichita
OnsiteFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
16+ YOEBachelor's in mechanical/aerospace engineering,16+ years mechanical engineering experience, aerial refueling system design, CATIA/3DExperience and FEA/CFD familiarity, ability to obtain Secret clearance.
CATIA/3DExperience, FEA, CFD
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Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
Provide mechanical engineering services and project leadership; extensive discipline experience, project estimating, MS Office proficiency, 4–5 year bachelor's in mechanical engineering required; PE preferred.
Microsoft Office
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Principal Mechanical Engineer
Warren, New Jersey, United States
$134k-$241k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
10+ YOEExtensive opto-mechanical design leadership for laser and fiber optic systems in aerospace/defense.
SolidWorks, GD&T, FEA
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Principal Mechanical Engineer
Irvine, California, United States
$210k-$239k/yr OnsiteFull Time
Neon Aero: Designs and builds AI-native aerospace hardware and flight systems.
12+ YOE12+ years designing complex mechanical systems; expert in GD&T and Siemens NX; production release experience; cross-functional collaboration.
Siemens NX, GD&T, MATLAB, Python
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3mo
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Principal Mechanical Engineer
Richland, Washington, United States
$120k-$170k/yr OnsiteFull Time
Columbia Energy & Environmental Services
Columbia Energy & Environmental Services: Provides engineering, fabrication, and environmental services for nuclear and defense.
15+ YOE15+ years in mechanical design; PE; ABET-accredited degree; leadership experience; US citizenship; ability to obtain government security clearance.
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Senior Principal Mechanical Engineer
Sunnyvale, California, United States
$154k-$311k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
12+ YOEBS in Mechanical Engineering, 12+ years electromechanical product development experience; expert mechanical architecture, chassis and packaging design, CAD/SolidWorks, GD&T, tolerance analysis, FEA, ECAD-MCAD integration; leadership and mentoring experience.
SolidWorks, EPDM, PLM, FEA, ECAD-MCAD, IDF, GD&T
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