Executive Admin & Office Operations Lead

Transaction Network Services (TNS); Madrid; On-site; EUR 26,000 - 34,000; Full time

Job summary

Transaction Network Services (TNS) is seeking a capable Office Administrator to provide administrative, finance, and executive support in Madrid. You will assist with office operations, customer and supplier ledger activities, credit control, invoice management, and personal assistant tasks for the General Manager.

Working closely with internal teams and external partners, you will maintain accurate records, coordinate documentation, manage day-to-day office activities, and help ensure timely

Qualifications

• Experience in office administration, accounts administration or related role.
• Strong organisational and time management skills.
• Excellent written and verbal communication.
• Ability to manage multiple priorities and meet deadlines.
• Attention to detail and accuracy.

Responsibilities

• Provide administrative and personal assistant support to the General Manager.
• Coordinate meetings, appointments, and diary management.
• Arrange business travel, accommodation, transfers and itineraries.
• Prepare documents and coordinate communications to ensure timely follow-up.
• Support customer and supplier ledger activities and invoice management.

Skills

Office administration

Accounts administration

Customer service

Communication

Time management

Attention to detail

Microsoft Office

Tools

Microsoft Office

Job description

Transaction Network Services (TNS) is seeking a capable Office Administrator to provide administrative, finance, and executive support in Madrid. You will assist with office operations, customer and supplier ledger activities, credit control, invoice management, and personal assistant tasks for the General Manager.

Working closely with internal teams and external partners, you will maintain accurate records, coordinate documentation, manage day-to-day office activities, and help ensure timely