Are you passionate about ensuring seamless commercial operations and building strong customer relationships through financial accuracy and sales support? Then join our mission to pioneer smarter water solutions that reduce energy use and improve lives.

As our new Senior Sales Engineer, you'll be bridging sales, customer service, and finance operations to ensure invoicing accuracy, customer account clarity, and commercial excellence that strengthens our customer partnerships. You'll be part of a diverse, supportive and inclusive culture, that celebrates our differences and puts people first by fostering growth, well-being, and a sense of belonging.

This position reports directly to the Sales Manager, IND – Argentina and is based in Rosario, Santa Fe, Argentina, operating under a remote work arrangement.

Candidates must be authorized to work in Argentina without sponsorship.

What you will be doing

As a key part of the Commercial Operations team, you'll create impact by improving customer account health and enabling the sales team to focus on growth by ensuring flawless invoicing and commercial support.

Your main responsibilities include:

• Support CSSC on invoicing processes including control of amounts, taxes, exchange rates, and advance payments, ensuring accuracy and compliance
• Maintain clear customer accounts by identifying and correcting invoice discrepancies and resolving billing issues directly with customers
• Manage changes on customer sales orders and open support tickets to track and resolve customer inquiries efficiently
• Support the sales team on project profitability analysis and contribute to the development of price lists, new product ranges, and product number creation
• Facilitate new customer account setup by gathering and validating customer requirements
• Collaborate closely with Sales, CSSC, and Credit & Collection teams to reduce outstanding customer debts and improve account status

What makes you a great fit

Above all, you're a detail-oriented commercial professional with strong analytical skills, a solid foundation in business administration or accounting, and a genuine drive to improve customer experience through operational excellence. We'd also imagine that you are/have:

• Currently studying or holding a degree in Business Administration, Accounting, or a related field
• Proficiency in English (written and spoken)
• Strong Microsoft Office skills, particularly Excel for financial data management
• Experience with invoicing, order management, or commercial support processes

It's a plus if you also:

• Familiarity with ERP systems (e.g., SAP) for sales order and invoicing workflows
• Previous experience in a customer-facing commercial or sales support role
• Knowledge of international trade invoicing including taxes and exchange rate management

What’s in it for you?

What are your goals? Here at Grundfos it’s our mission to help you develop and fulfil your ambitions, both career and personal. We are guided by our six core values, and you’ll find that your fresh ideas will be welcomed and make a difference in everything from local to large-scale global projects. You’ll encounter colleagues from all over the world both as part of your daily work, supporting and all the while broadening each other’s cultural horizons.

In addition, your day-to-day benefits include:

• Flexible working hours; home office possibility and equipment.
• Medical plans, internal well-being consultants and programmes, engaging team buildings.
• Diverse, inclusive environment with employee-led forums offering colleagues a safe place to connect and share openly.
• Long-term career development with regular dialogue, as well as continuous learning and development opportunities.

If this job sounds appealing, please send your resume by clicking “Apply”.

Do you want to learn more?

To dig deeper into the Grundfos universe, follow us on LinkedIn or Youtube, and to get to know some of your future colleagues and why they love working at Grundfos, check out Meet our people.

We look forward to hearing from you.