Senior Mechanical Engineer

JOB DESCRIPTIONSenior Mechanical EngineerAxcelis is seeking a Senior Mechanical Engineer to design and deliver critical hardware for next-generation semiconductor capital equipment. In this role, you will own subsystem designs and drive end-to-end engineering execution, developing solutions that directly impact tool performance, wafer-level outcomes, and customer productivity.You will work on tightly integrated electromechanical systems where mechanical design directly impacts system performance, throughput, and reliability, partnering with cross-functional teams to deliver differentiated technology to leading semiconductor manufacturers.Role Focus and ImpactOwn end-to-end design, development, and validation of mechanical subsystemsTranslate system and process requirements into robust hardware solutionsDirectly influence performance, yield, and reliability at the system and customer levelOperate as a system thinker, connecting mechanical design decisions to overall tool behaviorKey ResponsibilitiesDesign and develop mechanical subsystems and assemblies for advanced semiconductor equipmentOwn engineering execution from concept through validation and release, delivering complete solutions to technical challengesTranslate system-level and process requirements into clear mechanical design requirementsPerform design tradeoffs and risk assessments, selecting optimal solutions based on performance, cost, and scheduleConduct engineering analyses (tolerance, thermal, structural), validating designs through both simulation and first-principles calculationsPlan and execute structured testing and validation, including prototype builds and experimental characterizationAnalyze test and field data to identify trends, validate performance, and drive design improvementsCollaborate cross-functionally with process, electrical, controls, manufacturing, and suppliers to deliver integrated solutionsTroubleshoot complex system issues using root cause methods and data-driven approachesEnsure designs meet performance, reliability, manufacturability, and SEMI/safety requirementsCommunicate design decisions, technical risks, and progress to stakeholders with clarity and ownershipRequired QualificationsBS in Mechanical Engineering required (MS preferred)8–12+ years of experience designing complex electromechanical systemsDemonstrated ownership of subsystems or major components in a product development environmentStrong proficiency in 3D CAD and PLM tools (Creo/Windchill or equivalent)Solid experience with mechanism design, tolerance analysis, and engineering fundamentalsWorking knowledge of FEA and analytical methods for design validation (Ansys preferred)Ability to independently drive design work while collaborating across teamsStrong communication and problem-solving skillsPreferred ExperienceSemiconductor capital equipment or vacuum system designPrecision motion, robotics, wafer handling, or automation systemsExperience in new product development (NPI) environments with fast iteration cyclesExposure to high-reliability systems and customer-driven requirementsFamiliarity with SEMI standards and cleanroom design considerationsWhy Join AxcelisOwn meaningful portions of a complex system—not just individual partsWork on high-value, differentiated technology used by leading chip manufacturersGain experience in both detailed mechanical design and system-level integrationCollaborate in a highly technical, execution-focused engineering cultureClear path to advancement into Principal and Staff engineering rolesWhat We Are Looking ForA high-performing individual contributor who takes pride in delivering robust designsAn engineer who understands how detail-level decisions impact system-level performanceSomeone who thrives in technically challenging, fast-paced development environmentsA collaborator who raises the bar through strong engineering discipline and design reviewsEQUAL OPPORTUNITY STATEMENTIt is the policy of Axcelis to provide equal opportunity in all areas of employment for all persons free from discrimination based on race, sex, religion, age, color, national origin, disability status, medical condition (including pregnancy), veteran status, sexual orientation, marital status, or any other characteristic protected by federal, state or local law. Axcelis will provide reasonable accommodation necessary to enable a disabled candidate or employee to perform the essential functions of the position, unless the accommodation would create an undue hardship for the Company.U.S. BASE SALARY RANGE$121,050.08 - $181,575.12This base salary range reflects the typical compensation for this role across U.S. locations.Our salary ranges are determined by role and level; individual pay is determined based onmultiple factors, including job-related skills, experience, relevant education or training, worklocation, and internal equity. The range provides the opportunity for growth and progression asyou develop within the role.Base pay is one part of our U.S. total compensation package which includes eligibility in theAxcelis Team Incentive bonus plan, and comprehensive benefits package (for regularemployees working 20+ hours a week).SummaryLocation: Beverly, MAType: Full time