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90 mechanical development engineer jobs at 45 companies in Leesburg, VA

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Mechanical Design Engineer-Development Acceleration Team
Hanover, Maryland, United States
$74k-$174k/yr OnsiteFull Time
Laitram
Laitram: Global manufacturer of industrial equipment and processing machinery.
5+ YOEBachelor's in mechanical engineering or related, 5+ years product development/prototyping, CAD and GD&T proficiency, strong mechanical aptitude, able to lift 40 lbs and climb ladders, travel ~10%.
Inventor 3D, Autodesk Inventor, PTC Windchill, MS Office, 3D printing
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1w
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Principal Engineer - Mechanical
Reston, Virginia, United States
$160k-$231k/yr HybridFull Time
Bechtel
Bechtel: Designs and constructs large-scale industrial and infrastructure projects.
13+ YOEBachelor's in Mechanical Engineering, 13+ years engineering experience with 10+ years on combined cycle power plants; ability to develop P&IDs, perform sizing calculations, and apply ASME/HEI/CTI/HI codes.
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Mechanical Design Engineer-Development Acceleration Team
Hanover, Maryland, United States
$74k-$174k/yr OnsiteFull Time
Laitram
Laitram: Global manufacturer of conveyor, automation, and access solutions.
5+ YOEBachelor's in mechanical/mechatronics,5+ years product development/prototyping,proficient in 3D CAD and GD&T,able to lift 40 lbs and travel ~10%,strong communication and mechanical aptitude.
Autodesk Inventor, Inventor 3D, PTC Windchill, Microsoft Office, 3D printing
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2w
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Sr. Mechanical Engineer
Germantown, Maryland, United States
$115k-$150k/yr OnsiteFull Time
AMETEK
AMETEKNYSE: AME: Manufacturer of electronic instruments and electromechanical devices.
8+ YOEBachelor's in mechanical engineering, 8+ years product development experience in medical devices, injection-molded component and tooling expertise, mold qualification (IQ/OQ/PQ), SolidWorks proficiency, and strong written/verbal communication.
SolidWorks
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Mechanical Engineer
Springfield, Virginia, United States
$64k-$128k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
2+ YOEBachelor's degree with 2+ years or advanced degree with 3+ years relevant experience; prototype development, CAD, engineering analysis, technical documentation, communication, and TS/SCI clearance with CI polygraph.
SolidWorks, Revit, Matlab, Mathcad
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Senior Mechanical Engineer II
Silver Spring, Maryland, United States
$114k-$172k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
8+ YOE8+ years aerospace mechanical development experience, 3+ years as responsible engineer, CAD and FEA proficiency, experience with aerospace standards, project management and mentoring skills.
CAD, FEA, NX, Simcenter FEA
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Senior Mechanical Engineer I
Silver Spring, Maryland, United States
$100k-$137k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
5+ YOEBachelor's in engineering,5+ years aerospace mechanical development experience,CAD and FEA proficiency,knowledge of aerospace standards and verification,project management and team mentorship required.
CAD, FEA, NX, Simcenter
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6d
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Mechanical Engineer III
Washington, District of Columbia, United States
$112k-$190k/yr OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
5+ YOEBachelor's degree or equivalent experience; 5–7 years in mechanical design and product development; SolidWorks proficiency; hands-on fabrication, testing, troubleshooting, and active DoD Secret clearance.
SolidWorks, 3D CAD/CAM, CNC
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3w
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Sr. Development Engineer
Allendale or Leesburg
$100k-$110k/yr OnsiteFull Time
VB Spine
VB Spine: A mission-focused medical technology dedicated to innovation and improving patient outcomes in spine care.
2+ YOEBSc in Mechanical/Biomedical Engineering, 2+ years product development (medical devices) preferred, SolidWorks/Creo proficiency, knowledge of FDA design controls and ISO 14971, experience with spinal implants or electro-mechanical systems preferred.
SolidWorks, Creo
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3mo
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Senior Mechanical Engineer (CFD and FEA)
Columbia, Maryland, United States
$110k-$130k/yr HybridFull Time
Tate
Tate: Manufactures raised access floors and data center infrastructure solutions.
Bachelor’s degree in mechanical engineering; experience with CFD/FEA for HVAC/data center applications; proficient with CFD/FEA tools; able to lead simulations and support product development and customer engagements.
ANSYS Fluent, ANSYS CFX, SolidWorks Flow Simulation, Autodesk CFD, OpenFOAM, ANSYS Mechanical, Abaqus, NASTRAN, Onshape, SolidWorks, Creo, Python
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Engineer II, Mechanical
Gaithersburg, Maryland, United States
$88k-$134k/yr OnsiteFull Time
Meso Scale Diagnostics
Meso Scale Diagnostics: Manufacturer of high-sensitivity multiplexed immunoassay systems and reagents.
5+ YOEBachelor's in Mechanical Engineering (Master's preferred), ~5 years relevant experience, CAD proficiency (SolidWorks/I-DEAS/Pro/Engineer/AutoCAD), experience with ISO/cGMP and medical instrument design preferred, strong communication and analytical skills.
SolidWorks, I-DEAS, Pro/Engineer, AutoCAD, Microsoft Office
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4w
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Product Development Engineer
Leesburg, Virginia, United States
$70k-$80k/yr OnsiteFull Time
REHAU
REHAU: Manufactures polymer-based solutions for building, furniture, and industrial applications.
0+ YOEBachelor's in mechanical engineering or related, 0–3 years product development experience, SolidWorks proficiency, GD&T and manufacturing knowledge, strong communication and project management skills.
SolidWorks, Microsoft Office
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2mo
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Sr. Product Lifecycle Mechanical Engineer, DCE - Mechanical Products & Services (MPS)
Austin or Seattle or Columbus or Herndon
$137k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
8+ YOEBachelor's in mechanical engineering; 8+ years in mechanical/cooling product development; data center equipment experience; PLM; project experience with cooling systems; manufacturing/production knowledge.
Product Lifecycle Management, CAD
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2w
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Senior Mechanical Engineer - CMTA Energy Solutions
Lafayette or Richmond or Fairfax or Boston or Washington or Framingham or Baltimore
$100k-$150k/yr OnsiteFull Time
Legence
LegenceNasdaq: LGN: Engineering and maintenance services for mission-critical building systems.
5+ YOEABET-accredited undergraduate engineering degree, minimum 5 years with energy services or consulting/commissioning, experience leading performance contracts, business development and client relationship skills, knowledge of K-12 design-build procurement.
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2mo
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Cardiac Catheter Development Engineer
Bethesda, Maryland, United States
$98k-$163k/yr OnsiteFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
4+ YOEBachelor’s in biomedical, mechanical, electrical engineering or related field; 4+ years medical device development with 2+ years cardiac catheter hands-on manufacturing/prototyping; CAD (SolidWorks) proficiency;ISO 10555, IEC 60601-1 knowledge; ability to obtain public trust.
SolidWorks
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3mo
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Senior Mechanical Engineer in New York, United States
New York or Washington
$123k-$148k/yr HybridFull Time
Arup
Arup: Global engineering and design consultancy for the built environment.
6+ YOEBachelor’s in Mechanical or Architectural Engineering; min 6 years HVAC/building mechanical design; NYC/Northeast experience preferred; Revit MEP; PE license preferred.
Revit MEP, Energy Modeling, HVAC System Analysis
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1mo
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Mechanical Antenna Engineer - Level 3 - Dulles
Dulles, Virginia, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEAbility to design, develop, and test spacecraft antenna, reflector, and deployable support structures; experience with Creo Parametric CAD, GD&T, cost/schedule management; ability to obtain Top-Secret clearance.
Creo Parametric, Computer Aided Design (CAD), Geometric Dimension and Tolerancing (GD&T), 3D Printing
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2mo
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Energy Engineer Development Lead
Arlington or United States
$140k-$175k/yr RemoteFull Time
CEG Solutions
CEG Solutions: Designs and constructs energy and water efficiency infrastructure.
10+ YOEPE license required, 10+ years experience in building energy systems and energy modeling, B.S. in mechanical/architectural engineering (M.S. preferred), experience leading teams, expertise in ECM development, and drug/background screening.
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
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2mo
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Mechanical Engineering Lead
Sterling, Virginia, United States
OnsiteFull Time
Molg
Molg: Automated robotic microfactories for circular electronics manufacturing.
5+ YOE2+ MgmtLead EOAT design and development; 5–8 years mechanical design; 2+ years technical leadership; CAD proficiency; DFM and validation; cross-functional collaboration.
SolidWorks, Fusion 360, Engineering Analysis
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