3 machine design engineer jobs found in Arlington, VA

About Us: At Quartermaster AI, we believe the ocean should be a safe and sustainably managed resource for all. By leveraging cutting-edge AI and robotics, we unlock capabilities that were only recently impossible. Our distributed open-ocean systems enable every vessel to sense, compute, and communicate, enhancing maritime domain awareness for those who need it most. Job Description: We are seeking a Senior Mechanical Engineer to design and release hardware for Quartermaster's Smartmast systems and related marine products. This role focuses on marine electromechanical hardware for harsh outdoor environments, especially enclosures, mounting systems, cable integration, and production-ready design. The right candidate has strong experience with marine electronics or comparable outdoor electromechanical systems and can work effectively on short R&D timelines while delivering hardware that is reliable, manufacturable, and ready to scale. This role is primarily remote and...

About Us: At Quartermaster AI, we believe the ocean should be a safe and sustainably managed resource for all. By leveraging cutting-edge AI, distributed sensing, and resilient data systems, we unlock capabilities that were only recently impossible. Our distributed open-ocean systems enable vessels and coastal infrastructure to sense, compute, and communicate, enhancing maritime domain awareness for those who need it most. Job Description: We are seeking an RF specialist Electrical Engineer to design and develop a custom Software Defined Radio (SDR) based subsystem for the Smartmast platform, our edge-deployed maritime sensing system. You will lead the electrical design of our SDR hardware stack, including schematic development, RF layout, PCB fabrication, integration with compute hardware, COTS part selection, and field validation. This is a hands-on, cross-disciplinary role requiring deep understanding of RF signal chains, mixed-signal design, EMI mitigation, and...

Overview M&J Engineering, P.C. is a quality provider of multi-discipline consulting services with over 300 employees. Since its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations. We are hiring a qualified Structural/Bridge Engineer to provide staff augmentation services for a project within WMATA's Department of Track & Structures Maintenance (TRST). The selected candidate will support in-house engineering efforts including bridge load rating analyses...