Auxiliar Administrativo - Internship

Descripción del empleo

(Internship | On-site | Madrid)

We are looking for an Auxiliar Administrativo to help us grow our Innotaxes team in Spain. 

This is not just a role — it is a key opportunity to streamline our cross-border operations, directly impact efficiency, and grow within a fast-paced international tax consultancy environment.

Key Responsibilities

Document Management & Quality Control

• Review, classify, and digitally archive invoices and formal tax documentation for clients across multiple global markets.
• Ensure all client files are fully organized, accurate, and up to date
• Act as a horizontal support pillar for our Account Managers (AMs), Management and Accounting
• Monitor deadlines closely and send timely alerts

International Client Relations

• Proactively contact team members (covering EN, RU, JPN markets) to request and follow up on required paperwork.
• Maintain an exceptional standard of client coordination to prevent communication bottlenecks.

Accounting & Tax Support

• Provide hands-on technical support by performing bank reconciliations before data is transferred to a3 software.
• Deliver logistical support during high-volume periods, such as quarterly and monthly tax presentation closings.

Requirements

Hard Skills

• Native or C1-C2 Spanish level
• Minimum B2 English level
• Valuable prior knowledge or familiarity with a3 management software.
• Degree in ADE, Finance, or related

Experience

• Minimum of 6 months to 1 year of prior experience working in a consultancy, tax advisory, or fast-paced corporate administrative environment.

Soft Skills

• Exceptional attention to detail and methodical organization.
• Strong time management abilities and capacity to handle multiple priorities.
• Assertive communication and great adaptability to learn new processes.

What We Offer

• Hands-on mentorship and training in real-world accounting and advanced tax management tools (a3).
• Continuous training and mentorship from an international team.
• Team-building, wellness, and creative activities.
• Our exciting Yearly Company Trip.
• Restaurant and transport benefit cards

Additional Information

• Working hours: 30 hours per week.
• Contract type: Internship with an educational stipend (Requires a study center agreement)
• Start date: TBD.

Información extra

Status

Activa

Estudios requeridos

E.S.O

Localización

Madrid

Tipo de contrato

Tiempo completo

Publicado el

12-09-2026

Carnet de conducir

No

Vehículo

No

Carta de motivación

No