{"id":3414254,"url":"https://alion.io/job/boston-engineering-principal-mechanical-engineer","title":"Principal Mechanical Engineer","company":{"id":176789,"name":"Boston Engineering","domain":"boston-engineering.com","url":"https://alion.io/company/boston-engineering","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Waltham, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":185000,"currency":"USD","period":"year","gross":null,"usd_annual":185000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-10-28T15:50:34Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-01T04:07:16Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Boston Engineering is seeking a Principal Mechanical Engineer to join our team in Waltham, MA!\nBoston Engineering is where innovative ideas become real-world technologies. Headquartered in Waltham, Massachusetts, we've spent more than 30 years partnering with commercial and government clients to solve complex engineering challenges and bring breakthrough products to market. From advanced robotics and autonomous systems to medical devices, digital solutions, defense technologies, and industrial automation, our teams work on meaningful projects that push the boundaries of what's possible.\nWhy Join Boston Engineering?\nBuild products with real-world purpose. Contribute to technologies that address challenging commercial and government needs.\nOwn consequential technical decisions. Shape mechanical concepts and system architecture, guide design tradeoffs, and help clients choose a path forward.\nStay close to the work. Combine technical leadership with design, prototyping, analysis, and testing.\nKeep expanding your expertise. Work across industries alongside mechanical, electrical, software, systems, and manufacturing engineers.\nMultiply your impact. Mentor engineers, develop future technical leaders, and strengthen engineering practices across the organization.\nSee how Boston Engineering helps clients turn complex ideas into real-world products and technologies\n\nWatch: Boston Engineering - Product Development Services\n 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.\nYou 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.\nThis role offers the opportunity to remain deeply involved in engineering while expanding your influence through technical leadership, mentoring, and client engagement.\nWhat You Will Do\nLead technical direction and product development\nServe as the mechanical technical lead for complex, multidisciplinary product development projects, owning major technical areas and their results.\nTranslate client needs into product requirements, engineering specifications, mechanical architectures, and development plans.\nGuide system-level architecture and interfaces in partnership with electrical, software, systems, and manufacturing engineers.\nResolve novel engineering challenges, anticipate technical risks, and lead teams through ambiguous requirements and changing priorities.\nMake and communicate critical design tradeoffs that balance performance, manufacturability, cost, reliability, and schedule.\nDesign, build, and validate\nDevelop innovative mechanical designs from concept through production using Creo and/or SolidWorks.\nDesign, build, and test proof-of-concept models, breadboards, prototypes, and production-ready systems.\nApply expertise in motion systems, robotics, and precision electromechanical design, including integration with motion controls.\nLead engineering analyses, design reviews, and verification activities to establish that designs meet requirements.\nApply Design for Manufacturing (DFM), Design for Assembly (DFA), design for cost, and reliability principles throughout development.\nLead teams and strengthen engineering capability\nLead cross-functional engineering teams through major technical portions of projects, aligning disciplines and resolving technical disagreements.\nPartner with project managers to define scope, estimate effort, plan technical work, and manage risks and dependencies.\nMentor engineers through design reviews, problem-solving, and direct coaching; help develop future technical leaders.\nEstablish and improve engineering methods, design standards, and best practices across projects.\nEnsure engineering work and documentation meet Boston Engineering’s Quality Management System requirements.\nPartner with clients and support business growth\nServe as a primary technical interface for clients, communicating recommendations, risks, and tradeoffs clearly to technical and executive audiences.\nBuild client confidence through sound engineering judgment, clear communication, and accountability for technical outcomes.\nLead technical contributions to proposals, including solution concepts, development approaches, estimates, and risk assessments.\nIdentify opportunities to expand client engagements through engineering expertise and an understanding of customer needs.\nWhat You Bring\nA Bachelor’s degree in Mechanical Engineering.\nSubstantial experience developing complex mechanical and electromechanical products, typically gained through 10+ years of progressively responsible engineering work.\nDemonstrated success bringing products from concept through prototyping, verification, and manufacturing.\nDeep expertise in one or more relevant areas, such as precision electromechanical design, motion systems, robotics, or mechanisms.\nExperience setting technical direction and leading multidisciplinary engineering teams through complex development challenges.\nStrong system-level thinking, including the ability to define interfaces and evaluate interactions among mechanical, electrical, and software elements.\nProficiency with Creo and/or SolidWorks, engineering analysis, and technical design documentation.\nStrong working knowledge of DFM, DFA, design for cost, and reliability engineering.\nSound judgment in uncertain situations, with the ability to anticipate issues, make decisions, and take responsibility for technical results.\nThe ability to explain complex concepts and design tradeoffs clearly to engineers, clients, and business leaders.\nA collaborative leadership style and a record of mentoring engineers and helping teams succeed.\nProficiency with Microsoft Office applications.\nExperience That Would Be Especially Valuable\nDesigning products for underwater or marine environments.\nWorking in engineering services or product development consulting.\nLeading customer engagements, developing technical proposals, or helping win follow-on work.\nFamiliarity with Small Business Innovation Research (SBIR) programs.\nIf your experience aligns with the core responsibilities but does not include every preferred qualification, we encourage you to apply.\n This role is restricted to US persons (i.e., US citizens, permanent residents, and other protected individuals under the Immigration and Naturalization Act, 8 USC 1324b(a)(3)) due to access to export-controlled technology. Boston Engineering will require proof of status prior to employment.\nEmployment Type: Full-Time Role\nReports to: Manager, Mechanical Engineering & Project Manager\nLocation: Office-based role in Waltham, Massachusetts\nRelocation: Not available at this time\nTravel: Minimal\nSalary Range: The base salary range for this position is $150,000 - $185,000 annually, commensurate with experience and qualifications.The final offer amount will be determined by factors such as the candidate’s education, knowledge, experience, and skills. A comprehensive benefits package, including health insurance, 401(k) match, and paid time off, is also provided.\nAll your information will be kept confidential according to EEO guidelines.\nInterested?\nPlease contact Christine Higgins, Senior Talent Acquisition Partner, Boston Engineering\nemail:  LinkedIn: Christine Higgins | LinkedIn","description_format":"text","description_chars":7639,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Health insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Industrial Design","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-28T18:50:38Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":56,"reasons":["conf:2","win:early"],"computed_at":"2026-11-01T06:10:25Z"},"pay":{"stated_usd_annual":185000,"is_top_pay":true},"html_url":"https://alion.io/job/boston-engineering-principal-mechanical-engineer","json_url":"https://alion.io/job/boston-engineering-principal-mechanical-engineer.json","meta":{"generated_at":"2026-11-01T08:11:31Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":12751,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":176789},"rest":"https://alion.io/mcp/rest/get_company?id=176789"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fboston-engineering-principal-mechanical-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fboston-engineering-principal-mechanical-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fboston-engineering-principal-mechanical-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/boston-engineering-principal-mechanical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fboston-engineering-principal-mechanical-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3414254}},{"tool":"search_jobs","arguments":{"company":"boston-engineering.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3414254},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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