Accounting Intern

About Us

Kurt J. Lesker Company is a global science‑based technology and business equipment company that provides vacuum products and systems to clients in the aerospace, semiconductor, medical and optical industries. We are a family‑owned business founded 69 years ago and employ nearly 500 people in 9 offices, including North America, Europe, and Asia. The third generation of the Lesker family guides our company in accordance with our SPIRIT values—Sustainability, Passion, Integrity, Respectful, Innovation, and Team.

As an Accounting Intern, you will engage in a combination of project‑based work supporting the evolution of our ERP system, as well as hands‑on responsibilities in accounting, payables, and vendor reconciliations. The internship is based at our Jefferson Hills, PA headquarters and is paid.

• Assist with project initiatives related to ERP system enhancements and data integrity
• Support routine accounting activities, such as account reconciliations and journal entry preparation
• Contribute to payable department operations
• Participate in month‑end and quarter‑end activities as needed
• Work collaboratively with team members across finance, accounting, and other departments
• Perform data validation, organization, and analysis to support business decisions
• Support process improvement efforts and documentation of workflows
• Complete additional tasks and projects assigned

• Currently enrolled in an accredited institution, pursuing a Finance or Accounting degree in their 2nd or 3rd year
• Proficiency in Excel and strong overall competence in MS Office applications
• Strong analytical and teamwork skills, with the ability to communicate effectively and understand complex business issues
• Availability to work from mid‑May through mid‑August 2026

Kurt J. Lesker Company is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. KJLC is committed to providing reasonable accommodations for persons with disabilities (unless doing so will result in undue hardship). If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to our human resources department at  or call (412) 387‑9200 to provide the nature of your request.