Office Manager

Posted Yesterday
Be an Early Applicant
Madrid, Comunidad de Madrid, ESP
In-Office
Entry level
Big Data • Information Technology • Other
The Role
Provides office administration, customer and supplier ledger support, credit control, invoice management, record maintenance, correspondence handling, and executive assistance to the General Manager. Coordinates meetings, appointments, travel arrangements, documentation, supplier relationships, customer queries, payment processes, and debt recovery activities while supporting accurate and efficient office and financial operations.
Summary Generated by Built In

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.  Come join the excellence!

Overview

You will be responsible for providing administrative, finance, and executive support to ensure the smooth running of the office. The role is responsible for office administration, customer and supplier ledger activities, credit control, invoice management, and providing personal assistant support to the General Manager. Working closely with internal teams, customers, suppliers, and external stakeholders, the successful candidate will maintain accurate records, coordinate documentation, manage office operations, and support the efficient delivery of business and financial processes.

Responsibilities

General Office Administration
  • Support a range of administrative activities, including maintaining records and updating customer and supplier portals.

  • Prepare, collect, and coordinate documentation for internal teams and external stakeholders.

  • Manage office supplies, inventory, and supplier relationships.

  • Handle incoming and outgoing correspondence, mail, and telephone enquiries.

  • Support the smooth day-to-day operation of the office and contribute to an efficient working environment.

Customer Ledger
  • Liaise with the Billing Team and review invoices prior to issue.

  • Support all aspects of credit control and customer account management.

  • Monitor invoice progress to help ensure payment terms are met.

  • Maintain records of customer queries and follow escalation procedures when required.

  • Assist with debt recovery activities.

  • Ensure customer portals are maintained accurately and kept up to date.

  • Liaise with relevant government and regulatory bodies regarding administrative documentation required for customers and suppliers.

Supplier Ledger
  • Monitor the processing of approved and unapproved purchase invoices.

  • Manage supplier queries and follow established escalation procedures.

  • Support payment requisition processes for Purchase Orders (POs).

  • Maintain accurate supplier records and assist with resolving invoice-related issues.

Executive Support
  • Provide administrative and personal assistant support to the General Manager.

  • Coordinate meetings, appointments, and diary management activities.

  • Arrange business travel, accommodation, transfers, and itineraries.

  • Prepare documents, coordinate communications, and track follow-up actions to ensure timely completion.

Qualifications

Essential Skills and Experience
  • Experience in office administration, accounts administration, customer service, or a related administrative role.

  • Strong organisational and time management skills.

  • Excellent written and verbal communication skills.

  • Ability to manage multiple priorities and meet deadlines.

  • Strong attention to detail and accuracy.

  • Proficiency in Microsoft Office applications, including Outlook, Word, Excel, and Teams.

  • Ability to work independently and collaboratively within a team.

Desirable Skills and Experience
  • Experience supporting customer or supplier ledger activities.

  • Knowledge of invoicing, credit control, or accounts payable/receivable processes.

  • Experience providing executive or personal assistant support.

  • Familiarity with finance or ERP systems.

If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!

TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.

Skills Required

  • Experience in office administration, accounts administration, customer service, or a related administrative role
  • Strong organizational and time management skills
  • Excellent written and verbal communication skills
  • Ability to manage multiple priorities and meet deadlines
  • Strong attention to detail and accuracy
  • Proficiency in Microsoft Office applications, including Outlook, Word, Excel, and Teams
  • Ability to work independently and collaboratively within a team
  • Experience supporting customer or supplier ledger activities
  • Knowledge of invoicing, credit control, or accounts payable and receivable processes
  • Experience providing executive or personal assistant support
  • Familiarity with finance or ERP systems

Transaction Network Services Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Transaction Network Services and has not been reviewed or approved by Transaction Network Services.

  • Leave & Time Off Breadth Time off is considered a relative strength, with excellent PTO highlighted and increases after five years. Flexibility around taking time away from work supports a better overall balance for many roles.
  • Flexible Benefits Remote work options and flexibility are frequently highlighted alongside compensation and benefits, improving work-life fit for some teams. This flexibility helps offset more mixed views on other elements of the package.
  • Healthcare Strength Core medical, dental, and vision coverage are in place and are described as solid or subsidized in some contexts. Benefits are presented as competitive, reinforcing a stable baseline of health coverage.

Transaction Network Services Insights

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The Company
HQ: Reston, VA
1,433 Employees
Year Founded: 1990

What We Do

Transaction Network Services (TNS) is a leading global provider of data communications and interoperability solutions. Our global network and innovative value-added services enable transactions and the exchange of information to many of the world’s leading retailers, banks, payment processors, financial institutions and telecommunication firms. Founded in 1990 in the United States, TNS has grown steadily and now provides services to customers in over 60 countries across the Americas, Europe and the Asia Pacific region, with our reach extending to many more. TNS has designed and implemented a global data network which supports a variety of widely accepted communications protocols and is designed to be scalable and accessible by multiple methods.

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