PTP Subject Matter Expert

As a global leader in facilities services, we connect people and places to make the world work better. Whether directly or indirectly, you’ll play a vital role in supporting our placemakers in delivering exceptional workplace experiences for our customers. Together, we make space for people and businesses to thrive.

Location: Gdańsk 

Language: English, Spanish

Main purpose of the position: 

The purpose of this position is to act as a Subject Matter Expert within the PTP function, ensuring high-quality invoice processing, process standardization, and operational excellence across assigned Operating Units. The role provides technical guidance, drives process optimization initiatives, supports complex issue resolution, and serves as a role model within the team.

What will you do:  

• Oversee and ensure the accurate processing, validation, and booking of PO-based supplier invoices for assigned Operating Units
• Monitor invoice workflows and proactively resolve issues preventing timely booking
• Investigate and resolve complex discrepancies related to purchase orders, goods receipts, or invoice details
• Act as escalation point for operational issues and reconciliation matters
• Lead supplier reconciliation activities and ensure timely resolution of outstanding balances
• Liaise with suppliers and internal stakeholders to obtain clarifications, supporting documentation, and alignment on corrective actions
• Drive root cause analysis and implement corrective and preventive measures to minimize recurring issues
• Identify and implement process optimization and efficiency improvements within the PTP function
• Maintain accurate system records and ensure proper documentation in line with audit and compliance requirements
• Ensure adherence to internal controls, company policies, procedures, and established KPIs
• Respond to supplier inquiries and audit requests in a timely and professional manner
• Maintain strong relationships with stakeholders to ensure smooth collaboration and process alignment
• Provide structured coaching, technical guidance, and day-to-day operational support to junior and associate team members
• Support onboarding, knowledge transfer, and best practice standardization within the PTP team

Who will you work with: 

Business stakeholders, PTP Managers, Leaders, Project Managers, Associates

Key experience & qualifications:

• Very good knowledge of both Spanish and English (min. B2 level) in speech and writing, allowing for easy communication with external and internal stakeholders

• Bachelor’s degree or student of economics, finance, accounting, or related field (preferred)  

• Minimum 3+ years of experience in Accounting (Shared Service Centre environment is desirable)
• Strong expertise in PO invoice processing and reconciliation processes
• Solid knowledge within MS Office (Excel, Word, Internet tools)

• Proficient Excel skills (advanced functions, data analysis, reporting)
• Strong numerical, analytical, and problem-solving skills

• Ability to work in a structured and deadline-driven environment

• Experience in process improvement or optimization initiatives

• Intermediate Catalan is a plus but not mandatory

Personal skills you excel:  

• Role model behavior and professional integrity

• “Can-do” attitude with proactive ownership mindset

• Strong analytical and problem-solving capability

• Independent and structured way of working

• Ability to influence and guide others

• Continuous improvement orientation

• Strong communication and stakeholder management skills

What we offer:

• Opportunity for professional development within the finance and controlling function.
• Clear path for career advancement and skill-building.
• Scandinavian work culture and a positive, collaborative atmosphere.
• Impact on the development of the office and growing team.
• Work-life balance with hybrid work options and central location in Gdańsk.
• Attractive benefits package including health care, multisport, insurance, My Benefit points, Christmas bonus, and employee events.

Why ISS

At ISS, we are more than just a service provider of cleaning, food, workplace and technical services, we are a partner in our customers’ success. By creating exceptional service moments and transforming workplaces into spaces where employees feel valued, engaged and productive, we enhance productivity and help our customers to attract talent and grow their businesses. This begins with our own people through training, career development, and a supportive culture – empowering them to deliver outstanding service. We know that when our people thrive, they create spaces where our customers’ employees and businesses thrive too.

ISS is a Place to Be You.

Be who you are. Become what you want. Be part of something bigger.

Become more. Become ISS.

How you’ll apply

Apply directly via the link on this page by submitting relevant documents for the position you are applying for. We commit to an inclusive and fair recruitment process and equality of opportunity for all candidates. Therefore, please refrain from adding a photo of yourself in your CV.

We look forward to receiving your application as soon as possible. 

ISS seeks to BE a place of belonging and CREATE places where every person is welcomed, embraced, and valued for exactly who they are. Places where people feel safe, respected, represented, and supported as their authentic selves.

#LI-Hybrid