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Mechanical Engineering Intern

Rapiscan Systems
Billerica, MA Intern
POSTED ON 5/7/2026
AVAILABLE BEFORE 6/4/2026
Overview

Rapiscan, an OSI Systems Company is seeking a Mechanical Engineering Summer Intern, based out of Billerica, MA.

We are proud to be a trusted provider of advanced X-ray technologies for ports, borders, military, high-threat facilities and critical infrastructure all over the world. Be a part of our mission to provide our customers with best-in-class cargo and vehicle screening systems and services so they can combat terrorism, trade fraud, drug and weapon smuggling, and illegal immigration.

Rapiscan is seeking an innovative and creative mechanical engineering intern who exhibits the passion to make a difference. During the period of internship, the successful candidate will work in support of new product development and/or existing product/process improvement activities. He/she will work under the direction of a peer mentor within the Mechanical Engineering group.

Responsibilities

  • Participate in a multidiscipline project team, developing, maintaining and improving products.
  • Perform component selection, mechanical design, and sub-assembly model creation.
  • Create mechanical and electro-mechanical layout, sketches, and notes under direction of mentor.
  • Present design proposals to ME team. Justify design acceptance through formal analysis methods as needed (modeling tools and/or hand calculations).
  • Maintain good technical coordination and communication with the engineers and project teams.
  • Validate proof-of-concept designs by building and testing prototypes and mock-ups.
  • Rigorously adhere to company and quality procedures and requirements.
  • Has a working knowledge of general machine shop and drafting practices.
  • Possess experience using computer design tools, specifically SolidWorks 3D solid modeling CAD.
  • Uphold the company’s core values of Integrity, Innovation, Accountability, and Teamwork
  • Demonstrate behavior consistent with the company’s Code of Ethics and Conduct
  • It is the responsibility of every employee to report to their manager or a member of senior management any observed quality problems or defects for corrective action to be implemented and to avoid recurrence of the problem.
  • Additional duties or responsibilities as determined to meet the needs of the business.

Qualifications

  • Enrolled in an accredited program and actively working towards a Bachelor’s Degree in Mechanical Engineering.
  • Completed course work on relevant subjects such as Machine Design, Statics, Dynamics, Thermodynamics and Fluid Mechanics.
  • Self-motivated and inquisitive.
  • Able to work with limited supervision when provided clear direction.
  • Proficiency with SolidWorks 3D solid modeling CAD tools.
  • Exhibits a general knowledge of engineering principles, both theoretical and practical.
  • Strong communication skills, including excellent writing and presentation skills.
  • Strong problem-solving skills.
  • Good documentation and process discipline. Familiarity with Word, Excel and PowerPoint.

Preferred Qualifications

  • Basic understanding of geometric dimensioning and tolerancing practices.
  • Familiar with the following design disciplines: sheet metal, structural welded assemblies, machining, plastic injection molding, vacuum forming, and 3D printing.
  • Understanding of Bills-of-Materials and associated workflows (ECO’s).

Physical Requirements

  • Standing, bending, reaching, stooping: 10-80%, depending on project assignments.
  • May include crawling under trucks, with or without a creeper device, climbing ladders, or otherwise working on large mechanical structures in various postures or physical positions
  • Sitting: 60-100%
  • Walking: 20%
  • Lifting: (0 – 40 lbs.)
  • Use of computer: 50-100%, depending on project assignments.

  • Please review our benefits here: Life at OSI

    Pay may range from $24.97 to $30.73 per hour

    The pay range above represents annual base salary only. Final compensation will be determined based on factors such as your job level, geographic location, date of hire, experience, job-related knowledge and skills, and education in conjunction with market and business considerations.

    Base salary is one component of your total rewards package. You may be eligible for long-term incentives, potential discretionary bonuses, and the ability to purchase company stock at a discounted rate through the Employee Stock Purchase Program (ESPP). OSI also offers comprehensive benefits including various options for health plans, access to 401(k) retirement plan, health savings account, disability insurance, life insurance, AD&D insurance, leave of absence programs and an array of voluntary benefits. In addition, paid time off is offered to be used for vacation, holidays, bereavement, and jury duty. Full-Time salaried employees are entitled to flexible time-off.

    NOTICE TO THIRD PARTY AGENCIES

    OSI Systems, Inc. and its subsidiaries (collectively “OSI”) does not accept unsolicited resumes from recruiters or employment agencies. If any person or entity, including a recruiter or agency, submits any information, including any resume or information regarding any potential candidate, without a signed agreement in place with OSI, OSI explicitly reserves the right to use such information, and pursue and/or hire such candidates, without any financial obligation to the person, recruiter or agency. Any unsolicited information or resumes, including those submitted directly to hiring managers, are considered and deemed to be the property of OSI.

    Equal Opportunity Employer – Disability and Veteran Know Your Rights

    Poster Link: https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf

    OSI Systems, Inc. has three operating divisions: (a) Security, providing security and inspection systems, turnkey security screening solutions and related services; (b) Healthcare, providing patient monitoring, diagnostic cardiology and anesthesia systems; and (c) Optoelectronics and Manufacturing, providing specialized electronic components and electronic manufacturing services for original equipment manufacturers with applications in the defense, aerospace, medical and industrial markets, among others.

    Salary : $25 - $31

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