Job Description: Finance & Office Assistant
Reports To: Finance Director
Location: Upper Darby, PA (office-based)
Status: PT/FT (approximately 25-40 hours)
Compensation Range: $40,000-$43,000

To apply, send a cover letter and resume to Aaron Contino, Executive Assistant, at [email protected].

About Interserve USA
Interserve USA is an international, interdenominational community dedicated to making Jesus known in North Africa, Asia, and the Middle East. By sending professionals skilled in healthcare, engineering, business, IT, finance, education, social work, and more, we prepare cross-cultural servants to use their God-given gifts and training to transform lives and communities in partnership with the global church. Since 1852, when women in South Asia launched Interserve, we have remained committed to caring for the poor and marginalized and sending people to live and work in places where few, if any, have encountered Christ. Our U.S. office is one of 14 national offices working together to mobilize multinational teams.
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Position Summary
The Finance and Office Assistant will provide administrative and transactional support to the Finance Team while managing daily office operations. Ideal candidates are organized, detail-oriented, service-minded, and aligned with our mission.
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Key Responsibilities
1. Finance Support
• Process invoices, expense reports, and reimbursements
• Review submissions for completeness, coding, and approvals
• Maintain financial records per retention policies
• Support weekly payment preparation and ACH reimbursement transitions
• Administer credit cards (collect receipts, follow up on missing documentation)
• Assist with bank, credit card, and general ledger reconciliations
• Support donation processing and donor-record reconciliation
• Prepare financial reports, schedules, and spreadsheets
• Provide admin support during month-end/year-end closing
• Cross-train on essential finance functions
2. Office & Administrative Support
• Handle routine calls, emails, and visitor coverage
• Sort, scan, and distribute incoming mail
• Coordinate outgoing mail, checks, and donor receipts
• Maintain office supplies and coordinate purchasing
• Assist with filing, scanning, and shared-drive maintenance
• Support meetings with materials, room coordination, and hospitality
• Communicate professionally with staff, workers, donors, and vendors
3. Internal Controls & Mobilization
• Follow established approval authorities and segregation-of-duties requirements.
• Ensure that transactions are supported by appropriate documentation.
• Escalate unusual, incomplete, or potentially unauthorized transactions.
• Encourages others to pursue serving overseas.
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Qualifications
• Embraces the vision, mission, values, and approach of Interserve.
• Active Christian faith and local church participation
• Associate degree in accounting/business or equivalent experience preferred
• 2+ years of bookkeeping/administrative experience preferred
• Proficiency in Excel, Outlook, Word; accounting software experience helpful
• Strong attention to detail, organization, and discretion with confidential data
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Work Environment
Primarily office-based at the Interserve USA headquarters in Upper Darby, PA.
Some local travel and occasional evening or weekend availability may be required for special events, orientations, or staff care needs.

To apply, send a cover letter and resume to Aaron Contino, Executive Assistant, at [email protected].