Travel & Expenses Specialist

About Nebius:

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.

Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.

Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

The role

The Travel & Expenses Specialist is responsible for the day-to-day execution and control of travel and expense processes for assigned populations or regions.

The role ensures that expense claims and corporate card transactions are reviewed and processed accurately and on time, in line with company policy, applicable local requirements and financial controls. The Specialist also brings hands-on corporate travel expertise, supporting employees with air and hotel bookings and travel-related issues, and applying practical knowledge of airfare structures, fare rules and booking systems. The Specialist performs assigned corporate card reconciliation activities, maintains accurate and audit-ready records, and identifies recurring issues, risks and opportunities to improve processes and controls.

The role combines strong operational execution with employee support, financial accuracy and control discipline, helping employees travel and get reimbursed efficiently while ensuring company spend is appropriately documented, coded and controlled.

Your responsibilities will include:  

Perform first-line review and audit of expense claims, ensuring accuracy and compliance with company policy, applicable requirements and documentation standards. Follow up on exceptions and missing information before claims progress through the approval process.

Perform or support corporate travel bookings using the company travel booking environment and, where applicable, GDS tools, applying knowledge of airfare structures, fare rules, booking classes, routing options, ticketing conditions, changes, exchanges and cancellations.

Support employees with corporate travel and expense queries, including air and hotel bookings, booking changes and cancellations, fare and routing questions, expense submissions, reimbursements and policy guidance. Resolve issues directly where appropriate and coordinate with travel providers or other teams for matters requiring escalation.

Monitor corporate card transactions to ensure timely claiming, appropriate coding and clearance. Follow up on aged, unclaimed or incorrectly coded transactions and drive outstanding items to resolution.

Perform assigned corporate card reconciliation activities, investigate reconciliation differences and follow up with relevant employees or stakeholders to ensure timely resolution and clearance.

Validate expense coding and supporting documentation, including receipts and invoices, and identify recurring errors, exceptions or control gaps.

Support country-specific expense and tax requirements, including invoice compliance and VAT recovery readiness where applicable.

Support expense-related accounting activities, including accurate GL coding, accrual and reversal processes and clearing of expense balances.

Monitor T&E system and process controls and identify configuration gaps, recurring errors or cases where controls are not operating as intended. Support testing and resolution with the appropriate system or process owners.

Identify travel and expense cases that may require specialist review, including tax, payroll or duty-of-care considerations, and escalate them to the appropriate teams.

Prepare and support recur …