Intern, Financial Analyst Cost Accounting

Job Summary

 We are seeking a motivated and detail-oriented Cost Accountant Intern to join our team for Summer 2026.  In this role, you will support the Finance and Operations teams by assisting with cost accounting activities, financial analysis, and reporting for our manufacturing operations. This internship provides hands-on exposure to real-world cost accounting processes in a fast-paced, technology-driven environment and is ideal for a motivated student seeking practical finance and accounting experience.

Primary Duties & Responsibilities

The Cost Accountant Intern will assist with a variety of cost accounting and financial analysis activities, including but not limited to:

• Support preparation and analysis of manufacturing costs, including material, labor, and overhead
• Assist with month-end close activities such as cost accruals, journal entries, and reconciliations
• Help analyze production variances (standard vs. actual costs) and summarize key drivers
• Participate in inventory accounting processes, including cycle counts and inventory valuation analysis
• Assist in maintaining cost data within ERP systems and ensuring data accuracy
• Prepare ad-hoc financial analyses and reports for Finance and Operations leadership
• Collaborate with cross-functional teams (Operations, Supply Chain, Engineering) to understand cost drivers and manufacturing processes
• Participate in process improvement initiatives related to cost tracking, reporting, or internal controls

Education & Experience

Currently pursuing a Bachelor’s degree in Accounting, Finance, Business, or a related field

Skills & Other Requirements

• Strong analytical and quantitative skills with attention to detail
• Basic understanding of accounting principles; familiarity with cost accounting concepts preferred
• Proficiency in Microsoft Excel (pivot tables, formulas, data analysis)
• Ability to manage multiple tasks and meet deadlines in a fast-paced environment
• Effective written and verbal communication skills
• Strong desire to learn, ask questions, and contribute in a team-oriented setting
• Additional Information
• Internship Duration: 10 – 14 weeks.
• At Coherent, interns are valued members of our team and have the opportunity to make meaningful contributions from day one. In addition to hands-on project experience, our internship program includes opportunities to connect with fellow interns and colleagues across the organization through virtual and in-person networking events, team-building activities and more. Interns are expected to actively participate in these events as part of their professional development and to fully immerse themselves in our collaborative and innovative culture.

Working Conditions

• This role will be based on-site in Santa Clara, CA.
• Regular use of a computer and other office equipment is necessary.

Physical Requirements

• Sitting for extended periods while working on a computer or in meetings.
• Use of hands and fingers for typing, writing, and handling documents.
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
•  Ability to communicate verbally and in writing.

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. EHS standards.

Quality & Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome 

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need assistance or an accommodation due to a disability, you may contact us at [email protected].

ABOUT US

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

About UsCoherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.