International SOS Ltd

Senior Billing Specialist

International SOS Ltd$80K — $95K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Accounting, Finance, Business, or related field, or equivalent experience.
  • Seven+ years of experience in billing, accounts receivable, or similar finance roles.
  • Strong proficiency with accounting systems and Microsoft Excel.
  • Exceptional attention to detail and accuracy.
  • Excellent communication skills and the ability to build positive relationships externally and internally.
  • Strong problem-solving and analytical skills.
  • Ability to manage multiple priorities and meet deadlines in a fast-paced environment.

Responsibilities

  • Create and deliver accurate, timely invoices based on contract terms and services.
  • Reconcile billed and unbilled receivables against the general ledger.
  • Manage contract close-outs, including final variance analysis and contract release.
  • Monitor accounts receivable to ensure prompt collection and resolution of outstanding invoices.
  • Serve as a trusted point of contact for customers, resolving billing questions and discrepancies.
  • Support and mentor junior team members, helping elevate team performance.
  • Process payments, apply transactions, and resolve account discrepancies.

Benefits

  • Hybrid work schedule with 2 days in office and 3 days remote.
  • Collaborative and supportive team environment.
  • Opportunities for career growth and development.
  • Chance to make a meaningful impact on the organization’s financial success.
  • Potential for occasional extended hours or weekends during peak periods.
Full Job Description
Job Description

SOSi is seeking a detail-oriented and proactive Senior Billing Specialist to become a key member of our finance team. In this role, you'll own critical billing and accounts receivable functions that keep our operations running smoothly and efficiently.

If you enjoy solving problems, improving processes, and working in a collaborative environment where your work truly matters-this is the opportunity for you.

What You'll Do

As a Senior Billing Specialist, you'll play a vital role in ensuring accurate and efficient financial operations. Your responsibilities will include:
  • Creating and delivering accurate, timely invoices based on contract terms and services provided.
  • Reconciling billed and unbilled receivables against the general ledger.
  • Managing contract close-outs, including final variance analysis and contract release.
  • Monitoring accounts receivable to ensure prompt collection and resolution of outstanding invoices.
  • Serving as a trusted point of contact for customers, resolving billing questions and discrepancies with professionalism.
  • Supporting and mentoring junior team members, helping elevate team performance.
  • Processing payments, applying transactions, and resolving account discrepancies.
  • Maintaining accurate billing records and customer accounts.
  • Preparing and sharing reports on billing and AR performance with leadership.
  • Ensuring compliance with company policies and industry standards.
  • Identifying opportunities to streamline processes and improve accuracy.
  • Collaborating cross-functionally with finance, sales, and other teams to achieve business goals.


Qualifications

What You Bring

We're looking for someone who combines strong technical skills with a collaborative and customer-focused mindset:
  • Bachelor's degree in Accounting, Finance, Business, or related field, or equivalent experience.
  • Seven+ years of experience in billing, accounts receivable, or similar finance roles.
  • Strong proficiency with accounting systems and Microsoft Excel.
  • Exceptional attention to detail and accuracy.
  • Excellent communication skills and the ability to build positive relationships internally and externally.
  • Strong problem-solving and analytical skills.
  • Ability to manage multiple priorities and meet deadlines in a fast-paced environment.
  • A high level of integrity and professionalism when handling sensitive financial data.
  • A customer-first attitude and commitment to service excellence.

Nice to Have
  • Experience with ERP systems such as Deltek Costpoint.
  • Advanced Excel skills (e.g., PivotTables, VLOOKUPs, complex reporting).


Additional Information

Work Environment
  • Standard office setting with a hybrid schedule with 2 days in office and 3 days of remote work.
  • A collaborative and supportive team environment.
  • Opportunities for career growth and development.
  • The chance to make a meaningful impact on the organization's financial success.
  • Occasional extended hours or weekends may be required during peak periods.

About International SOS Ltd

International SOS is a healthcare company that provides medical and security services to organizations and individuals. The company was founded in 1985 and is headquartered in Singapore. International SOS operates in over 90 countries and has over 11,000 employees. The company's services include medical and security assistance, medical and security consulting, and emergency medical and security services.
Learn more about International SOS Ltd
Size
11,000 employees
Industry
Founded
1989

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