We are looking for a Principal Mechanical Engineer who combines hands-on design expertise with the ability to set technical direction, lead multidisciplinary teams, and build trusted client relationships.You will guide complex product development efforts from early concepts through manufacturing, with particular emphasis on motion systems, robotics, precision electromechanical systems, and products for demanding environments. You will help teams navigate ambiguity, make critical design decisions, and balance performance, cost, reliability, and schedule.This role offers the opportunity to remain deeply involved in engineering while expanding your influence through technical leadership, mentoring, and client engagement.What You Will DoLead technical direction and product developmentServe as the mechanical technical lead for complex, multidisciplinary product development projects, owning major technical areas and their results.Translate client needs into product requirements, engineering specifications, mechanical architectures, and development plans.Guide system-level architecture and interfaces in partnership with electrical, software, systems, and manufacturing engineers.Resolve novel engineering challenges, anticipate technical risks, and lead teams through ambiguous requirements and changing priorities.Make and communicate critical design tradeoffs that balance performance, manufacturability, cost, reliability, and schedule.Design, build, and validateDevelop innovative mechanical designs from concept through production using Creo and/or SolidWorks.Design, build, and test proof-of-concept models, breadboards, prototypes, and production-ready systems.Apply expertise in motion systems, robotics, and precision electromechanical design, including integration with motion controls.Lead engineering analyses, design reviews, and verification activities to establish that designs meet requirements.Apply Design for Manufacturing (DFM), Design for Assembly (DFA), design for cost, and reliability principles throughout development.Lead teams and strengthen engineering capabilityLead cross-functional engineering teams through major technical portions of projects, aligning disciplines and resolving technical disagreements.Partner with project managers to define scope, estimate effort, plan technical work, and manage risks and dependencies.Mentor engineers through design reviews, problem-solving, and direct coaching; help develop future technical leaders.Establish and improve engineering methods, design standards, and best practices across projects.Ensure engineering work and documentation meet Boston Engineering’s Quality Management System requirements.Partner with clients and support business growthServe as a primary technical interface for clients, communicating recommendations, risks, and tradeoffs clearly to technical and executive audiences.Build client confidence through sound engineering judgment, clear communication, and accountability for technical outcomes.Lead technical contributions to proposals, including solution concepts, development approaches, estimates, and risk assessments.Identify opportunities to expand client engagements through engineering expertise and an understanding of customer needs. 
