We are looking for you Mechanical Engineer R&D - Hopkinton MA

Role Overview

PI (Physik Instrumente) LP in Hopkinton MA has an immediate opening for a experienced Mechanical Engineer in Research & Development for nano positioning and micro positioning products including air bearing stages and piezo electric actuators.  This is full time position, Monday to Friday.

Our ideal candidate is a mechanical engineer with 5-10 years of experience designing in CAD/Solidworks for opto-mechanical instruments and mechatronics with demonstrated experience with high precision applications.
Experience with the following highly desirable:

  • Design of:
    • High precision mechanisms & motion control systems
    • Optical mounts using kinematic principles
    • Flexure mechanisms
    • Thermally insensitive and thermally compensated mechanisms
  • Designing for low particle environments/cleanrooms
  • Using FEA for modal analysis and thermal growth analysis
  • Optical system integration, alignment and stability testing
  • Robotics, automation and wafer/DUT handling systems
  • Familiarity with basic scripting languages/programming using Python, MatLab, etc.


Key Requirements:  

  • BS or MS in Mechanical Engineering
  • Minimum of 5 years of experience designing and building mechatronic systems.  Additional related experience will strengthen your application.  
  • 5+ yrs. mechanical system design experience (tool, fixture, mechatronics, electronics packaging, optics)
  • Experience with 3D modeling software and design, preferably SolidWorks 
  • Comfortable working with FEA for assessing strength, fatigue, thermal, and frequency response of structures
  • Disciplined in drafting & GD&T practices
  • Experience with analysis: FEA, Tolerance stackup, Error budget, RCA
  • Knowledge of manufacturing methods (precision machining, heat treatments etc.)
  • Integration with electrical system components including circuit boards and cable harnesses
  • Ability to generate system level requirements and understand component specifications
  • Experience with version control systems
  • Experience working with multidisciplinary groups driving schedule and tasks
  • Passion for learning, iterating, and first principles
  • Confidence and experience to move quickly and make informed decisions.
  • Excellent written & verbal communication skills
  • Follow 5S and lean manufacturing principles and practices in an ISO 9001 manufacturing environment.

Any offer of employment is dependent on the results of an initial drug test, background check, and motor vehicle report (if applicable to the position)

Preferred Qualifications:  

  • 10+ yrs. experience in equipment development ideally in production environments
  • 5+ yrs. experience in opto-mechanical design 
  • Prior experience with stabilized gimbal systems, motion control, and robotics
  • Building qualified hardware for aerospace, military, or automotive applications (DO-160, MIL-STD, SAE, etc.)
  • Structural analysis using ANSYS
  • Control system design, simulation, and development
  • Kinematic and dynamic analysis
  • Experience with data acquisition, modal measurements, and LabView.
  • Familiarity with basic scripting languages like Python, Matlab, etc.
  • Candidates must be able to produce evidence of the permanent ability to live and work in the US as an employment contingency.  

Important for all Applicants

The following are the traits we want all candidates to bring to our company.  You can expect to find this throughout our workforce.   

  • Curious and lifelong learner who brings new ideas to the organization
  • Honest, trustworthy, and empathetic with colleagues
  • independently motivated, possessing a strong work ethic and desiring continuous growth  
  • Ability to work in a highly functioning, independent workplace that values strong initiative, risk taking, and creative problem solving. 

If these things describe you, please make sure we know about it during the selection process.  We do read cover letters so feel free to include a short description in your application or reach out separately.  


  1. PI (Physik Instrumente) LP is an Equal Employment Opportunity Employer/Protected Veterans/Individuals with Disabilities.  If, at any point in the application process (including hiring), a candidate would like to request a reasonable accommodation due to a disability or a religious need, please email us at info@pi-usa.us Attn: Human Resources and we'll be happy to engage in an interactive process with you.
  2. Notice to Employment Agencies:  This recruitment assignment is being managed directly by our internal Human Resources team. Your respect for this process is appreciated. PI does not accept unsolicited agency resumes and any resumes received will be ineligible for referral fees. This is a direct hire. No agencies at this time, please no solicitations.