X-energy: Develops advanced small modular nuclear reactors and fuel technology.
5+ YOEBachelor's in mechanical or related engineering, typically 5+ years engineering experience, proficiency in hand calculations, CFD model development/verification, knowledge of industry codes and standards.
Altus Engineering: Provides engineering and software services for defense systems.
4+ YOEBachelor or higher in Mechanical or Aerospace Engineering with 4+ years, or MS with 2+ years, or PhD with 0+ years; SECRET clearance; CFD experience; ANSYS Fluent; MATLAB/Python.
Modern Technology Solutions: A technical services firm providing research and development engineering for defense and intelligence programs.
4+ YOEU.S. citizen with active TS/SCI (CI polygraph eligible), Bachelor's in relevant STEM, 4+ years DoD/IC experience, hypersonics and CFD proficiency, project management and strong communication skills.
Sr. Mechanical Engineer - CFD, Global Engineering Strategy
Seattle or Austin or Columbus or Herndon
$137k-$185k/yrHybridFull Time
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
6+ YOE6+ years in industrial or commercial engineering in mission critical facilities; Mechanical Engineering degree; preferred PE license and knowledge of electrical/cooling systems.
Istari Digital: Provides digital engineering software for aerospace and defense industries.
Experienced software engineer to embed with customers, build integrations for CAD/CFD/FEM pipelines, work in U.S. defense/aerospace contexts, and translate field feedback to product.
CAD, CFD, FEM, Model-Based Systems Engineering (MBSE)
EwingCole: Multidisciplinary architecture, engineering, and interior design firm.
Bachelor's in fire protection or architectural engineering, PE in at least one state, experience in fire protection design, code consulting with ICC/NFPA, and familiarity with suppression/detection systems and CFD/egress modeling.
District of Columbia or Maryland or Virginia or Washington
$46-$60/hrOnsiteFull Time
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, CFD experience preferred, knowledge of safety standards, strong analytical and communication skills.
ETCH: Converts natural gas into clean hydrogen and solid carbon.
5+ YOEBSc or MSc in Mechanical Engineering (BSc minimum). 5+ years in high-temperature systems, reactor or process equipment design, thermal systems engineering. Experience with SolidWorks/Inventor and ANSYS/COMSOL (CFD/FEA); knowledge of high-temperature materials and ASME/piping design.
Graham Packaging: Manufactures custom plastic containers for various consumer industries.
5+ YOEBS in Mechanical Engineering, 5+ years designing plastic extrusion equipment, skilled in solid modeling, FEA, CFD (e.g., Ansys Polyflow), experiment design, instrumentation, and systematic problem solving; able to travel ~25%.
AmphenolNYSE: APH: Designs and manufactures electrical connectors and interconnect systems.
3+ YOEBS/MS in Mechanical Engineering, 3+ years CFD and thermal analysis experience, strong heat transfer and electronics cooling knowledge, familiarity with ANSYS Icepak/FloTHERM, PTC Creo or SolidWorks, and strong communication skills.
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
3+ YOEBS/MS in Mechanical Engineering, 3+ years CFD and thermal analysis experience, proficiency with ANSYS Icepak/FloTHERM, PTC Creo or SolidWorks, strong heat transfer and electronic cooling knowledge, and strong communication skills.
Barbaricum: Provides technology and mission support to federal national security agencies.
10+ YOEActive DoD Top Secret/SCI clearance, Bachelor's in Aerospace required, 10+ years experience, expertise in CAD/FEA/CFD, software development, and secure knowledge management across NIPRNet/SIPRNet/JWICS.
Senior Mechanical Engineer in New York, United States
New York City or Washington
$123k-$148k/yrOnsiteFull Time
Arup: Provide engineering and design services for the built environment.
6+ YOEBachelor's in Mechanical/Architectural Engineering, 6+ years HVAC design experience with 2–3+ years in data center or mission-critical facilities; PE preferred; Revit MEP and CFD experience desirable; strong communication and commercial awareness.
Naval Architect Engineer - National Capital Region
Arlington or Alexandria or Andrews AFB or Washington or Bethesda or McLean or Silver Spring or Quantico or Rockville
$98k-$163k/yrOnsiteFull Time
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
7+ YOEAbility to obtain/maintain U.S. Secret clearance; 7+ years naval architecture experience; advanced hydrodynamics expertise; CFD and naval design tool proficiency; Master's or equivalent experience.