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Daniel J Edelman Holdings

Marketing and communications agency for Microsoft

Junior Billing Assistant

Accounts Payable/ReceivableUpdated on Nov 10
Full-timeMadrid, SpainNo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree in Business Administration, Economics, Finance, or a related field.
  • At least 3 years of experience in billing, accounts receivable, or financial administration roles.
  • Proven experience managing collections, following up on debt, and reducing overdue balances.
  • A high level of English (minimum B2–C1), both written and spoken.
  • Experience working with financial enterprise resource planning systems.
  • Advanced Excel skills.
  • Ability to manage collection conversations confidently, professionally, and with a customer-focused approach.
  • Strong organizational and prioritization skills, attention to detail, commitment to quality, and focus on meeting deadlines and objectives.
  • A proactive, autonomous, solution-oriented approach and ability to work in dynamic, evolving environments.

Responsibilities

  • Manage the end-to-end process from client setup through invoice issuance.
  • Ensure billing deadlines and monthly closing timelines are met.
  • Coordinate with public relations teams to ensure billing information is accurate and available on time.
  • Oversee the creation and maintenance of client master data.
  • Monitor accounts receivable and proactively manage collections to meet payment deadlines.
  • Communicate with clients and internal teams to resolve billing and collection issues.
  • Review aged receivables, identify collection risks, and escalate issues when necessary.
  • Resolve issues related to invoicing, purchase orders, and client data.
  • Prepare regular reports on invoicing activity, outstanding debt, and collection status.
  • Support financial close activities and account reconciliations.
  • Participate in continuous improvement initiatives and optimization of administrative and financial processes.

Desired Qualifications

  • Previous experience with Workday.
  • Previous experience in communications, marketing, advertising, or professional services agencies.
  • Experience working in multinational environments.
  • Participation in financial systems implementation or transformation projects.
  • Knowledge of project billing processes and client management practices.

About the Company

Daniel J Edelman Holdings

Marketing and communications agency for Microsoft

Assembly is a marketing and communications agency that serves Microsoft globally, combining strategy, creative, earned media, and paid media to raise brand impact. It uses AI-powered workflows and its strengths in brand and social strategy, integrated marketing, and tech to move campaigns from inception to completion. The firm differentiates itself through a formal Microsoft partnership, global reach, and cross-channel expertise aimed at building belief and trust beyond headlines. Its goal is to help Microsoft tell its story and empower people and organizations to achieve more through action-oriented campaigns that raise executive visibility and influence key stakeholders.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Seattle, WA
Founded
2015

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