Internal Audit Intern
Internal Audit
Posted on 10/1/2025

MKS Instruments
Compensation Overview
$20 - $27/hr
Andover, MA, USA
Hybrid
This is a hybrid role located at the Andover, MA headquarters.
A Day in Your Life at MKS:
As an internal audit intern at MKS, you will partner with the internal audit team to conduct internal audits and risk assessments. In this role, you will report to the Internal Audit Manager. This is an on-site, hybrid role located at our Andover, MA headquarters.
Internship Program Overview:
3–4-month intern assignment within a functional area of MKS Instruments that provides students a comprehensive and engaging experience from before your program starts to after the program ends.
Meaningful work and project assignments.
Networking opportunities with peers and executives.
Exposure to different divisions of the business.
Understanding of MKS Instruments’ commitment to culture & belonging.
Program Term: This is a 3-month program beginning in Summer 2026. Candidates must be available for the entire duration of the assignment.
You Will Make an Impact By:
- Working with Internal Audit team members to prepare PBC requests to process owners.
- Make sample selections to ensure the completeness of test documents.
- Help with scheduling internal and external meetings to perform walkthroughs, discussion with process owners, collaboration with external auditors, etc.
- Perform SOX control testing and prepare test documents and draft test results.
- Assist with Internal Audit team members in presentations.
- Assist with data analysis using Microsoft tools such as Excel, Visio etc.
- Perform other ad hoc projects as needs arise.
- Travel Requirements: No travel is required.
Skills You Bring:
- Enrolled in a Bachelor’s Degree program in Accounting, Finance or relevant majors.
- Experience with Microsoft Office 360 (Word, Excel, PowerPoint).
- Excellent communication skills to manage relationships with different stakeholders (Internal Audit, Management, External Auditors)
- Superb organization skills to prioritize multiple tasks and working with people from different time zones
- Oracle or SAP skills is desirable
Preferred Skills:
- Accounting Knowledge (Expected to have taking basic accounting courses in college or have equivalent knowledge).
- IT System Knowledge (Basic understanding of how ERP system work to support accounting activities).
- SEC requirements (Basic understanding of a US public traded company’s compliance requirements) US GAAP knowledge is desirable.
Physical Demands & Working Conditions:
- Perform activities such as sitting, standing, or typing for extended periods of time.
- Regularly requires good manual dexterity and coordination.
- Must be able to communicate information and ideas so others will understand.
- Must be able to exchange accurate information.
- The ability to observe documents and details at close range (within a few feet of the observer).
- Operates in a professional office environment.
- Constantly operates a computer and other office productivity machinery.
- Noise level in the work environment is usually average.
Compensation and Benefits:
Hourly Pay Range: $20.00 to $27.00 per hour. This range is a good faith estimate of the expected salary range for this position, based on a wide range of factors including qualifications, experience and training, operational and business needs and other considerations permitted by law. At MKS, it is not typical for an individual to be hired at or near the top of the range for the role.
Benefits: MKS offers a benefits package for interns/co-ops working at least 20 hours per week, including 11 paid holidays, sick time, and 15 paid vacation days accrued on a biweekly basis.
MKS is an equal opportunity employer, including disability, veteran status and all categories protected by law. Please review our EOE statements for additional details.
#LI-DNI
Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to the International Traffic in Arms Regulations (ITAR) or Export Administration Regulations (EAR). Applicants for these positions may need to be “U.S. persons.” “U.S. persons” are generally defined as U.S. citizens, noncitizen nationals, lawful permanent residents (or, green card holders), individuals granted asylum, and individuals admitted as refugees.
MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies. MKS is generally only hiring candidates who reside in states where we are registered to do business.
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: [email protected].
If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role

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