Location:Lisbon – Portugal
Department:IT/IS OR Finance
Reports to: Financial Applications Lead / IT Applications Manager
ABOUT iBASIS:
iBASIS is the leading communication solutions provider enabling operators and digital players worldwide to perform and transform.
iBASIS is the first independent international communications specialist, ranking as the third largest global wholesale voice operator and a Top 3 Mobile Signaling & Data solutions vendor with 700+ connected destinations.
Since the integration of the Altice Europe N.V. international voice carrier business in France, Portugal, and the Dominican Republic, iBASIS serves 1,000+ customers, across 18 offices worldwide.
iBASIS also provides the end-to-end Global Access for ThingsTM connectivity solution;
simplifying IoT device connection through one unified platform for seamless, remote, programmable, and secure communication.
THE ROLE:
We are looking for anIT Applications Specialistto support and enhanceenterprise applications used by Finance, Billing, and Revenue teams.
This role is IT-led, with a strong focus on:
Application support and functional troubleshooting
System integrations and data flows
Business-facing IT enablement
While prior exposure to billing or revenue processes is beneficial, the role is open to strong IT professionals who are motivated to learn these domains and grow into a finance-facing systems role.
Key Responsibilities
1. Application Support & Operations (Core IT Focus)
Provide functional application support for billing, invoicing, and finance-related systems
Monitor application jobs, interfaces, and batch processes;
troubleshoot failures and data issues
Act as Level 2 / Level 3 support for business users, coordinating with vendors or internal IT teams
Ensure application availability, data consistency, and operational stability
2. Business Systems Enablement
Work closely with Finance, Billing, and Revenue users to understand functional requirements
Translate business needs into system configurations, enhancements, or process improvements
Support user queries, system changes, and controlled deployments
Participate in UAT, regression testing, and release validation
3. ERP & SAP (User-Level Exposure)
Use SAP as a functional user (not Basis/admin) for:
Transaction validation
Financial postings support
Data reconciliation and reporting checks
Support integrations between SAP and upstream/downstream systems (billing platforms, data sources)
Assist finance teams during period close activities from a systems perspective
4. Data Validation & Reconciliation Support
Support data reconciliations across systems to ensure completeness and accuracy
Analyze system outputs to identify gaps, mismatches, or processing issues
Assist in root cause analysis for billing or posting discrepancies (with business teams)
5. Process Improvement & Automation
Identify opportunities for:
Automation
Standardization
Improved controls within application workflows
Support documentation of SOPs, system flows, and operational runbooks
Contribute to system modernization and continuous improvement initiatives
Key Interfaces
Finance & Accounting
Revenue Assurance
IT / Billing Systems Teams
Required Skills & Experience
Core IT Skills (Must Have)
3–6 years of experience in IT application support, systems operations, or business applications
Experience supporting enterprise applications (ERP, billing, finance, or operations systems)
Strong analytical and troubleshooting skills
Comfortable working with data, interfaces, and batch-driven systems
Good understanding of end-to-end application lifecycle (support, change, testing)
SAP & Finance Exposure (Good to Have)
SAP experience as a user or functional support role (FI exposure preferred)
Understanding of basic finance concepts such as:
Invoicing
Revenue flows
Month-end close (at a high level)
Experience working with Finance or Accounting stakeholders
Billing / Revenue Background (Optional)
Prior exposure to:
Billing systems
Revenue operations
Telecom / subscription-based environments
is a plus, not a prerequisite
Strong inclination and ability to learn billing and revenue concepts is more important than prior expertise.
Qualifications & Experience
Education
Bachelor's degree inInformation Technology, Computer Science, Information Systems, Engineering, or a related technical discipline
(Degree in Finance or Accounting is acceptable when combined with strong IT systems experience)
Core Competencies
Strong attention to detail and data accuracy orientation
Ability to work under tight closing deadlines
Ownership mindset with high accountability for revenue integrity
Strong analytical and problem-solving skills
Effective communication with finance, IT, and operations stakeholders