Accounting Intern​/Co-op; R20244

Position: 2027 Spring Accounting Intern/Co-op (R20244)
Job Posting

Job Description
Day in Your Life at MKS:
As an Accounting Co-op/Intern at MKS Inc.’ Optical Sensing Products (OSP) division, you will support daily accounting activities and learn how financial processes work in a real business environment and complete hands‑on tasks throughout your term. This internship provides an excellent opportunity to build practical accounting skills and gain exposure to Accounts Payable, Accounts Receivable, and month‑end activities. In this role you will report the Accounting Manager

Intern/Co-op Term:
This is 4-month internship/co-op position. Candidates must be available for the entire duration of the assignment.

Undergraduate Intern / Co-op Program Overview:

Intern/co-op within a functional area of MKS 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 inclusion and belonging.

You Will Make an Impact By:

Support process Accounts Payable including invoice entry, coding verification, PO matching, and preparing items for payment

Support Accounts Receivable by creating customer invoices, recording payments, and assisting with aging reviews

Reconcile accounts by comparing system balances, identifying variances, and preparing supporting documentation

Maintain accurate financial records within ERP systems and shared accounting folders

Assist with month‑end close including data validation, report extraction, and JE support tasks

Support audit documentation by organizing backup files and retrieving required records

Contribute to process improvements in AP, AR, and data‑entry workflows

Skills You Bring:

Enrolled in a Bachelor’s Degree program in Accounting, Business Administration, or a related major

Basic understanding of accounting concepts such as AP, AR, debits, and credits

Good attention to detail when entering numbers or checking documents

Comfort using Excel for sorting, filtering, and simple formulas

Willingness to learn ERP or accounting software with training

Ability to spot mistakes and ask questions when something looks off

Clear communication skills when working with the accounting team

Good organization skills for handling paperwork and digital files

Competencies:

Excellent time management skills and commitment to meet deadlines

Excellent communication and technical writing skills

Ability handling of discreet, sensitive confidential financial information li> }
Benefits:

Global Employee Assistance Program

Additional Flex Day Off with Spending Allowance

Transit Zone 1 Reimbursement

Active Social Committee Programs

Compensation:
Hourly Pay Rate: $25.00 per hour. This rate is a reasonable expectation of pay for this position, based on a range of factors including qualifications, experience, education, training, operational and business needs and other considerations