Finance Accounting Rotation Program Jobs in California

Trillium Flow Technologies, founded on a legacy of premier products and services, provides mission-critical valves, pumps, and aftermarket services for core societal infrastructure that includes water and wastewater, power generation including nuclear power, food and beverage, oil and gas equipment and general industry. Trillium is very customer centric to meet specific needs, provides innovative engineering design with a global footprint that is focused on meeting our customers' original equipment and aftermarket needs.
FLSA Status: Non-Exempt
Employment Type: Full-Time Internship
Compensation: $25.00 per hour
JOB SUMMARY
Trillium Flow Technologies is seeking a motivated Accounting Intern to join our Finance & Accounting team at our Fresno, California facility. This rotational internship provides hands-on exposure to core accounting functions including Accounts Receivable (AR), invoicing, account reconciliation, and journal entries, with the opportunity to rotate through additional areas of the accounting department based on business need and intern interest. The ideal candidate is an undergraduate student majoring in Accounting, Finance, or a related field who is eager to apply classroom knowledge in a real-world manufacturing environment and is willing to embrace data analytics and emerging AI tools as part of modern accounting practice.
ESSENTIAL DUTIES & RESPONSIBILITIES
Accounts Receivable & Invoicing:
• Process and review customer invoices for accuracy and completeness.
• Monitor AR aging reports and follow up on outstanding balances.
• Support month-end AR close activities.
Reconciliation & Journal Entries:
• Record journal entries with appropriate supporting documentation.
• Identify and investigate variances; escalate discrepancies to supervisor.
Data Analytics & Technology:
• Utilize Microsoft Excel and ERP systems for data extraction and analysis.
• Support the team in identifying process improvement opportunities using data analytics.
• Willingness to learn and apply AI-assisted tools and automation in accounting workflows.
Rotational Exposure (as business needs allow):
• Rotate through additional accounting sub-functions such as Accounts Payable, General Ledger, or Cost Accounting.
• Participate in departmental meetings, financial reviews, and cross-functional projects.
• Assist with audit preparation and document gathering as needed.
EDUCATION REQUIREMENTS
• Currently enrolled as an undergraduate student at an accredited college or university, pursuing a bachelor's degree in accounting, Finance, Business Administration, or a closely related field.
• Must have completed at least one year of coursework. Junior or Senior standing preferred.
MINIMUM EXPERIENCE
• No prior professional accounting experience required; coursework in financial accounting, managerial accounting, or related subjects is expected.
• Proficiency in Microsoft Excel (basic formulas, pivot tables, data sorting).
• Familiarity with general accounting principles (debits/credits, double-entry bookkeeping).
• Strong attention to detail and commitment to accuracy.
• Effective written and verbal communication skills.
• Ability to manage multiple tasks and meet deadlines in a fast-paced environment.
PREFERRED SKILLS & CERTIFICATIONS
• Experience with ERP or accounting software (e.g., SAP, Oracle, QuickBooks, or similar).
• Exposure to data visualization tools (e.g., Power BI, Tableau) or data analytics coursework.
• Interest in AI and automation as applied to finance and accounting functions.
• Working toward CPA eligibility; coursework in cost accounting or auditing is a plus.
PHYSICAL REQUIREMENTS & WORK ENVIRONMENT
Work is performed primarily in an office environment. The role requires the ability to sit for extended periods, use a computer and standard office equipment, and communicate effectively in person and via phone or email. Occasional walking through manufacturing or warehouse areas may be required. Reasonable accommodations will be made in accordance with applicable law.
Trillium Flow Technologies is committed to an inclusive workplace, including hiring and retaining diverse talent. We are proud to be an Equal Opportunity/Affirmative Action Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category. Trillium Flow is a background screening, drug-free workplace.