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Billing Process Specialist (m/f/d)

Job ID
508384
Veröffentlicht seit
29-Mai-2026
Organization
Global Business Services
Tätigkeitsbereich
Finance
Unternehmen
Siemens S.A.
Erfahrungsniveau
Experienced Professional
Beschäftigungsart
Vollzeit
Arbeitsmodell
Hybrid (Mobiles Arbeiten/ Arbeiten vor Ort)
Vertragsart
Flexibel
Standort(e)
  • Amadora - Lisboa - Portugal
Siemens Global Business Services (GBS) enables Siemens units worldwide and external customers to accelerate their business transformation into a sustainable and digital future. 
Our portfolio comprises services driven by expertise and the latest technology – with a strong focus on innovation and digitalization in areas like Finances, Business Administration, Human Resources, Procurement, Sales and After-Sales.  
In our GBS Western Europe and Africa Hub we are already more than 1500 connected people, from over 50 different nationalities spread across 14 countries. If you value diversity and innovation, you’ll feel right at home here!

Discover our purpose, culture, and what makes GBS unique! Check out here!

At GBS Finance (FIN), we aim to act as Business Partners side by side with the Management of the Operations that perform these activities contributing with accurate and timely financial records to guide business decision-making.

Are you ready to be part of the change? Come join us!  ⭐

Your mission will be… 
  • Process customer invoices accurately and within established deadlines;
  • Ensure compliance with internal policies and legal/tax requirements;
  • Validate billing data and resolve discrepancies;
  • Coordinate with Controlling teams for clarifications;
  • Maintain up-to-date records in ERP system (SAP /other);
  • Handle customer queries related to invoicing;
  • Perform month-end closing activities related to billing;
  • Identify optimization opportunities in daily billing processes;
  • Propose improvements to increase efficiency and reduce errors;
  • Support the development and update of process procedures and documentation;
  • Participate in automation and digitalization projects;
  • Collaborate with Process Excellence teams on improvement initiatives;
  • Support training of new team members on billing processes.

We are looking for someone with…
  • Bachelor's degree in Management, Economics, Accounting, Finance or related fields;
  • Alternative: High school diploma + proven relevant experience (minimum 2 years);
  • Minimum 2-3 years of experience in billing/invoicing;
  • Experience in Shared Service Center environment (preferred but not mandatory);
  • Exposure to process improvement activities or projects (preferred);
  • Track record of meeting deadlines and maintaining accuracy;
  • Knowledge of ERP systems (SAP or similar);
  • Good Excel skills (formulas, pivot tables, data manipulation);
  • Fluent English (written and spoken) - minimum B2 level;
  • Understanding of basic accounting principles;
  • Results-oriented and deadline-driven;
  • Analytical thinking and problem-solving capability;
  • Proactivity in identifying improvements;
  • Attention to detail and accuracy;
  • Ability to work autonomously with guidance;
  • Effective communication with different stakeholders;
  • Adaptability to dynamic environments;
  • Team player with collaborative spirit.

What We Offer:
  • Belong & Innovate: Work in diverse teams where every idea matters and innovation grows through collaboration and trust.
  • Flexibility that Works: Hybrid model, flexible hours, and a home office budget — because balance fuels performance.
  • Health & Well-being: Comprehensive health insurance, mental health support, and active sports communities to keep you feeling your best.
  • Grow Without Limits: Access world-class learning platforms, mentoring, and continuous development opportunities.
  • Purpose & Perks: Contribute to sustainability and volunteer initiatives, enjoy partner discounts, and take advantage of our convenient shuttle service.


Please attach your CV in English to your application.

Create a better #TomorrowWithUs #Siemens 🚀
Siemens is deeply committed to fostering a diverse and inclusive environment. We are proud to be an equal opportunity employer and strongly encourage applications from a wide array of talented individuals!