Accounts Payable Senior Specialist

1GLOBAL is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform – including its own owned and operated global mobile core network, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide.

We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than 70 million people and devices globally, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem.

1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding US$200 million and profits of over US$25 million, we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own  aspirations to offer telecommunications services to their clients.

Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications. We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of close to 500 experts across 15 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.

Position Overview

The Senior Accounts Payable Specialist is responsible for ensuring the accurate and timely execution of payment processing and invoice review in compliance with company policies, internal controls, and statutory requirements. The role serves as the escalation point for complex AP queries and supporting process improvements within the AP function.


Key Responsibilities

Payments Processing

• Prepare and upload payment runs into the Citidirect banking platform (ACH, SWIFT, wire transfers).
• Review payment batches for accuracy, completeness, and compliance with approval matrix.
• Liaise with Treasury for funding requirements and payment scheduling.
• Investigate and resolve payment rejections or bank queries.

Invoice Processing Review

• Review junior team members’ invoice processing for accuracy in PO matching, GL coding, tax compliance (VAT, EWT), and supporting documentation.
• Ensure adherence to invoice processing SLAs and escalation protocols.

Issue Resolution & Vendor Management

• Act as a first-level escalation point for vendor disputes and complex AP issues.
• Investigate and resolve mismatched purchase order/invoice data.

Compliance & Process Improvement

• Ensure all AP transactions comply with company policies and statutory regulations.
• Participate in process reviews, system enhancements, and automation initiatives.
• Assist with internal and external audit requests related to AP activities.

Team Support

• Provide guidance and training development to team members.
• Support the AP Team Manager in workload distribution and performance monitoring.

Requirements

• Bachelor’s degree in Accounting, Finance, or related field
• 3–5 years of progressive AP experience
• Solid knowledge of accounting principles, AP processes, and relevant tax regulations
• Netsuite experience preferred
• Strong Excel skills, experience with AP automation tools is a plus
• High attention to detail and accuracy
• Strong problem-solving and analytical skills
• Ability to work independently and manage multiple priorities under tight deadlines

Benefits

Why 1GLOBAL?

• Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% year-on-year under the leadership of successful tech entrepreneurs.
• Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
• Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
• Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
• Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
• International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
• Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
• Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.