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406 mechanical systems engineer jobs at 218 companies in Frederick, MD

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2w
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MECHANICAL SYSTEMS ENGINEER
Greenbelt, Maryland, United States
$140-$150/hr OnsitePart Time
Aerodyne Industries
Aerodyne Industries: Providing engineering and mission operations support for space programs.
20+ YOE20+ years mechanical systems experience with risk management; aerospace and GSFC/DraMS knowledge preferred; must meet 22 CFR 120.15 definition of U.S. Person.
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1mo
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Mechanical-Systems Engineer, Shipboard Systems Group
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOEBachelor's in Mechanical Engineering; 3+ years Navy systems experience; 10% travel; ability to obtain Interim Secret and Top Secret clearance; U.S. citizenship.
Product Lifecycle Management, Systems Engineering
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1mo
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Mechanical Systems Engineer - JobID-0219
Arlington, Virginia, United States
$114k-$231k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated solutions and advanced systems to enable rapid delivery of warfare capabilities for Department of Defense customers.
5+ YOEActive Secret U.S. security clearance, 5+ years engineering experience, Bachelors in mechanical or systems engineering (or equivalent), proficiency with SolidWorks/Creo/CATIA, thermal analysis and systems integration experience.
SolidWorks, Creo, CATIA, Unified Data Architecture (UDA), Model-Based Systems Engineering (MBSE), Cameo, MagicDraw, Enterprise Architect, Computational Fluid Dynamics (CFD), Hyperconverged Infrastructure (HCI), SOSA, CMOSS, FACE, MOSA
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2mo
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Mechanical Systems Design Engineer
Rockville, Maryland, United States
$115k-$200k/yr OnsiteFull Time
X-energy
X-energy: Develops advanced small modular nuclear reactors and fuel technology.
5+ YOEBachelor’s in mechanical engineering; Master’s/PhD may substitute experience; 1+ years hardware/manufacturing experience; CAD/PLM proficiency; design and production oversight required.
CAD, PLM, Engineering analysis tools
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1mo
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Systems Engineer with Mechanical Focus
Rockville, Maryland, United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBachelor's in Systems/Mechanical/Aerospace engineering and 4 years' experience; systems engineering, requirements/interface control, 3D modeling, MS Office proficiency; able to obtain Top Secret clearance; U.S. person/citizen required.
Creo, IBM DOORS, Windchill PLM, Cameo Systems Modeler, Microsoft Office
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2mo
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Heavy Mechanical Engineer (Central Systems)
District of Columbia or Maryland or Virginia or Washington
$46-$60/hr OnsiteFull Time
Cornerstone Concilium
Cornerstone Concilium: Provides engineering and technology consulting for large-scale infrastructure projects.
6+ YOEBachelor's in mechanical engineering, 6+ years designing central systems for heavy machinery, CAD proficiency, strong analytical and safety knowledge; Master's and PE licensure preferred.
CAD, CFD
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1mo
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Senior Mechanical Engineer, Energy Systems
Arlington or Syracuse
$110k-$140k/yr OnsiteFull Time
Ramboll
Ramboll: Global provider of engineering, architecture, and sustainability consulting services.
10+ YOEBachelor in Mechanical Engineering; Licensed Professional Engineer; 10+ years HVAC/design experience; experience with large hydronic systems; familiarity with fire protection; travel <10%; AutoCAD/Revit preferred; strong communication.
Autodesk Revit, Revit 3D design software
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2mo
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Mechanical Engineer, Industrial HVAC Systems
Washington or Kings Bay or Bangor or McLean
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEABET Bachelor's in Mechanical Engineering preferred (or equivalent) with ≥4 years related HVAC/facility mechanical experience; HVAC design, chill water, ASHRAE 62.1, life-cycle cost analysis, EIT or equivalent, MS Office proficiency.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Teams, Trane Trace
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3mo
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Mechanical Engineer
Centreville or United States
$75k-$131k/yr HybridFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEMechanical Engineer with 5+ years experience; 4-year degree in Mechanical Engineering; EIT or Master’s beneficial; experience with HVAC, plumbing, fire suppression, building systems; CAD/BIM proficiency; LEED is a plus.
BIM, CAD, REVIT, AutoCAD, MicroStation, Trane Trace, MathCAD
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2w
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Mechanical Engineer
Winchester, Virginia, United States
$140k-$170k/yr OnsiteFull Time
Heven AeroTech
Heven AeroTech: Manufacturing hydrogen-powered long-endurance unmanned aerial systems.
5+ YOEBachelor's in mechanical/aerospace engineering, 5+ years mechanical engineering experience (UAV/aerospace preferred), CAD proficiency (SolidWorks, CATIA, or Creo), structural analysis and system integration expertise, leadership and mentorship experience.
SolidWorks, CATIA, Creo
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2mo
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Senior Electrical/Mechanical/Systems Engineer
Warrenton, Virginia, United States
OnsiteFull Time
Sentient Digital
Sentient Digital: Provides software and systems engineering for defense and maritime security.
3+ YOEBachelor's in engineering or related field; 5-7 years experience (Master's 3-5 years); DoD Secret clearance; MATLAB/Python; strong writing/presentation; U.S. citizenship.
MATLAB, Python, CAD, Finite Element Analysis, Model-Based Systems Engineering, RF design, Analog electronics, Digital electronics, Signal processing
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3mo
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Systems Modeling Mechanical Engineer, Fleet Remediation Engineering
Seattle or Herndon
$117k-$160k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
6+ YOEMaster's in mechanical/thermal engineering, 6+ years data center thermal modeling experience, CFD proficiency, scripting in Python/MATLAB/C++, DAQ and test fixture experience, strong communication and report-writing.
Ansys Fluent, Cadence, Python, MATLAB, C++, BIM/Revit, DAQ
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1w
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Mechanical Engineer
Huntsville or Washington or Quantico
$91k-$140k/yr OnsiteFull Time
Federal Bureau of Investigation
Federal Bureau of Investigation: Federal law enforcement and domestic intelligence agency of the United States.
U.S. citizen with engineering degree (ABET-accredited) or equivalent, professional engineering experience in mechanical systems design for buildings, knowledge of codes/ASHRAE, and ability to obtain Top Secret/SCI clearance.
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1w
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Mechanical Engineer
McLean or Chantilly
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years as a facilities professional,2+ years in mechanical systems or construction,HS diploma/GED required,ability to obtain TS/SCI with polygraph,ability to review designs and perform engineering calculations.
MAXIMO, AutoCAD, REVIT
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1mo
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Mechanical Engineer
Madison or Arlington or Plano or Indianapolis or The Woodlands or Dublin or Lewisburg or Paducah or Prospect or Charlotte or Bismarck or Cincinnati
OnsiteFull Time
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
3+ YOEBachelor's degree in engineering, EIT, 3+ years designing HVAC/mechanical systems, proficiency with Revit, AutoCAD, Trane Trace, IES VE, Navisworks, and Microsoft Office; knowledge of ASHRAE, FGI, and building codes.
Revit, AutoCAD, Trane Trace, IES VE, Navisworks, Microsoft Office
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1mo
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Mechanical Engineer 3
Tysons, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
5+ YOEBachelor's degree in Mechanical Engineering; 5+ years in design, engineering, field engineering, startup or commissioning for power/utility systems; strong communication and problem-solving skills.
AutoCAD, Revit, BIM
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1mo
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Senior Mechanical Engineer
Sterling, Virginia, United States
HybridFull Time
Axon
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
Bachelor's degree in mechanical engineering (or related), proven mechanical design and system integration experience, CAD proficiency, prototyping and fabrication skills, thermal/structural analysis experience, knowledge of embedded systems and MIL STDs, strong communication.
SolidWorks, AutoCAD, Fusion 360, ESP32, Arduino, Raspberry Pi, FEA, 3D printers, drills, bandsaws
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3mo
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Multidisciplinary Systems Engineer (Mechanical/Software)
Frederick, Maryland, United States
$75k-$101k/yr HybridFull Time
WGS Systems
WGS Systems: Develops intelligence and surveillance systems for military and law enforcement.
2+ YOEBachelor's in Mechanical Engineering, Mechatronics, Robotics, Aerospace Engineering, or related field; 2-5 years product development experience in defense/aerospace/electronics; US Citizen with ability to obtain USG security clearance; strong CAD/FEA; Python; prototyping; hardware/software integration.
SolidWorks, CREO, ANSYS, COMSOL, SolidWorks Simulation, MATLAB, Python, C/C++, Linux, Git
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4w
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Senior Mechanical Engineer
New York City or Washington or New Jersey
$123k-$148k/yr HybridFull Time
Arup
Arup: Global professional services firm for the built environment.
6+ YOEBachelor's in Mechanical or Architectural Engineering, 6+ years designing HVAC/building mechanical systems, Revit MEP proficiency, NYC/Northeast experience preferred, PE license preferred, strong communication and leadership skills.
Revit MEP
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1mo
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Lead Mechanical Engineer
Saint Paul or Las Vegas or Arlington or Ogden
$71k-$107k/yr OnsiteFull Time
Harris
Harris: National mechanical contractor providing design, construction, and building systems.
4+ YOEBachelor's in Engineering, 4+ years designing HVAC and mechanical/plumbing systems, experience with HVAC plant and distribution, controls, sustainable design, and construction documentation.
BIM
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