Sr Mechanical Engineer

Job Description Job Description Description: Who We Are ST Engineering Aethon, Inc is a forward-thinking robotics company dedicated to revolutionizing the health care and hospitality industries through cutting-edge innovations. Specializing in advanced robotics and AI solutions, STE Aethon, Inc. designs and develops state-of-the-art autonomous mobile robots that optimize efficiency, enhance productivity, and redefine the way businesses operate in today's rapidly evolving technological landscape. Aethon endeavors to make our Careers page accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us via email at View email address on click.appcast.io or call View phone number on click.appcast.io – ext. 160 Must be legally authorized to work in the United States for any employer without current or future employer-sponsored visa sponsorship. Position Logistics · Location: Strip District, Pittsburgh, PA – Onsite 3-5 days/week · Reports To: Director of Hardware Engineering · Work Model: Hybrid. Flexible with minimum of 3 days/week onsite What YOU will do: Aethon is seeking a Senior Mechanical Engineer who will be responsible for the design, development, and implementation of mechanical and electromechanical systems for current and next-generation robotic solutions. In this role, you will leverage your technical expertise to drive the development of innovative robotic platforms from concept through manufacturing and field deployment. You will provide technical leadership for various internal and external development projects while collaborating closely with Electrical, Software, Systems, Manufacturing, and Program Management teams. Responsibilities include requirements development, system architecture, detailed mechanical design, prototyping, analysis, verification, validation, and manufacturing transfer. The ideal candidate possesses strong experience in complex electromechanical systems, autonomous platforms, and product development from concept to production. KEY RESPONSIBILITES: Design and develop mechanical and electromechanical solutions for autonomous mobile robotic platforms, driving technical decisions across structural, motion control, packaging, thermal, and manufacturability domains. Own the full lifecycle of mechanical subsystem development, including requirements definition, architecture, design, analysis, prototyping, verification, validation, and transfer to manufacturing. Provide technical leadership on development projects, coordinating design activities across multidisciplinary engineering teams. Translate product requirements into detailed mechanical constraints, specifications, design requirements, and validation plans. Conduct concept development, trade studies, and feasibility analyses to evaluate new technologies, architectures, and product features. Lead the creation and review of engineering documentation including mechanical specifications, interface definitions, DFMEA activities, test plans, and engineering reports. Coordinate with leadership, program management, and cross-functional teams to ensure product development activities remain aligned with program objectives and schedules. Plan and execute engineering verification, design validation, reliability, and production validation testing activities. Develop detailed component and assembly models, engineering drawings, bills of materials, and manufacturing documentation. Perform engineering analyses including tolerance stack-ups, structural calculations, fatigue assessments, thermal analysis, and finite element analysis (FEA). Act as a technical interface with suppliers, contract manufacturers, and external engineering partners to support product development and manufacturing readiness. Work with manufacturing, quality, and service teams to troubleshoot issues, lead root cause investigations, and implement corrective actions that improve product reliability and performance. Drive continuous improvement initiatives for existing products, manufacturing processes, and cost optimization efforts. STE Aethon Inc. Benefits: Medical, Dental, and Vision coverage starting from start date Health Savings Account / Flexible Spending Account Free Onsite Gym Immediate 401k vesting Wellness Incentive Program Life & Disability Insurance Generous Paid Time Off Requirements: What YOU need to Succeed: Bachelor's or Master's degree in Mechanical Engineering or a related engineering discipline. 10+ years of experience designing complex mechanical or electromechanical systems in robotics, industrial equipment, medical devices, transportation, or similar industries. Demonstrated success delivering products from concept through production and field deployment. Ability to provide technical leadership and coordinate the work efforts of cross-functional engineering teams on complex development projects. Expert proficiency in 3D CAD tools such as SolidWorks (preferred), or similar tools, including advanced modeling, assemblies, and design documentation. Proficiency with Finite Element Analysis (FEA) and engineering analysis methodologies. Experience owning the design and development of mechanical components and electromechanical assemblies from concept through mass production. Deep familiarity with Design for Manufacturing (DFM), Design for Assembly (DFA), tolerance stack-up analysis, and Engineering Change Order (ECO) processes. Experience creating manufacturing drawings, assembly documentation, bills of materials, and engineering change packages. Strong understanding of structural design, fatigue analysis, vibration, and mechanical system reliability. Experience with thermal management and cooling solutions for electromechanical systems, including heat transfer analysis, airflow optimization, component derating, and integration of thermal mitigation strategies into product designs. Experience developing and integrating electromechanical systems including motors, gearboxes, bearings, sensors, actuators, and power transmission systems. Strong troubleshooting, analytical, and root cause investigation skills. Experience leading prototype assembly, test execution, design verification, and validation activities. Ability to collaborate effectively with electrical, software, firmware, manufacturing, quality, supply chain, and service teams to optimize product performance, quality, and cost. Experience working within PLM systems and formal product release processes. Proficiency with Microsoft 365 and Windows-based engineering environments. Strong interpersonal and communication skills, written and verbal. Experience working with suppliers, contract manufacturers, and engineering service providers. PREFERRED QUALIFICATIONS Experience designing autonomous mobile robots (AMRs), robotic platforms, or other autonomous systems. Direct experience with BLDC motors, gearboxes, bearings, actuators, kinematics, motion systems, and sensor integration. Experience with 3D wire harness and cable routing design, including collaboration with electrical engineering teams to develop robust, manufacturable, and serviceable electromechanical assemblies. Experience with thermal analysis tools and validation methods used to evaluate product thermal performance. Familiarity with Linux and Robot Operating System (ROS)-based platforms. We are an Equal Opportunity Employer and do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable federal, state, or local law.