Finance & Office Assistant

Are you an administrative professional with an eye for detail, strong interpersonal and communication skills, and a passion for organization? Do you enjoy working behind the scenes, serving others, and collaborating with teams to transform lives? Are you eager to use your gifts to make Christ known and participate in God's global mission of redemption and restoration?

Join the team at Interserve USA as a Finance and Office Assistant in Upper Darby, PA.

Interserve USA is an international, interdenominational community dedicated to making Jesus known in North Africa, Asia, and the Middle East. Sending professionals skilled in healthcare, engineering, business, IT, finance, education, social work, and more, we prepare cross-cultural servants to use their God-given gifs and training to transform lives and communi5es in partnership with the global church. Since 1852, when women in South Asia launched Interserve, we have remained commiSed 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 na5onal offices working together to mobilize multinational teams.

Job Summary
The Finance & Office Assistant provides reliable administrative and transactional support to the Finance Team while helping manage daily office operations. The ideal candidate is well-organized, detail-oriented, and service-minded—comfortable on the phone, working with financial information, and aligned with Interserve's mission.

Responsibilities

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.

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

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.

Agreement with the policies and procedures in the Interserve USA Employee Handbook is required. Interserve USA is an employer-at-will. As such, Interserve USA reserves the right, as the employee does, to terminate the employment relationship at any time with or without reason.

Pay: $40,000.00 - $43,000.00 per year

Benefits:

• Health insurance
• Life insurance
• Paid time off
• Retirement plan

Application Question(s):

• Are you willing to work for a Christian organization?
• Briefly describe, what does Jesus mean to you personally?
• How did you hear about this job opening?

Work Location: In person