Financial Systems Analyst

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: Warsaw

Language: English

Application deadline: 30.11.2026

Main purpose of the position

The Onestream platform is the basis for all the group’s key financial processes like the external reporting to the stock exchange, FP&A activities internally, daily cash management, tracking the closing of the local books as well as many other tasks.

What you’ll do

As part of Financial Systems, one of your main responsibilities will be:

• The 1st/2nd level support to the finance community in ISS, that includes Group and country Finance organisations, collaborating with OneStream Projects department on issue resolution. That responsibility also requires you to update and write Standard Operating Procedures as the need arises.
• You will be responsible for conducting training of the user community on an ongoing basis in the use of the different aspects of the application as well onboarding new users in OneStream. This is an import an integral part of keeping the quality and timeliness high in our reporting.
• You will participate in projects on development and implementation of new analysis and reporting models, especially collaborating with countries on automating the loading of data from local ERP systems to OneStream.

Who you’ll work with

• You will be part of the OneStream Operations department, located within the Group Finance organisation. The department currently consists of three people, responsible for providing 1st and 2nd level Support, maintaining, and developing OneStream, as well as supporting a global user base.

Key qualifications

• A university degree in finance or accounting with exposure to IT systems beyond Office products. It could also be a degree in IT with an exposure to finance or accounting in a previous position.
• Experience with OneStream would be an asset.
• Experience with data integration would be an asset.
• Other relevant experiences could be Oracle Hyperion, Tagetik, IBM TM1, SAP BPC
• You are an experienced user of the Office suite and Excel in particularly including macros/VBA and #C
• You are fluent in English writing and speaking.

Personal skills you excel

• You relate critically to the numbers, and you are analytical and structured in your work.
• You find joy in teaching and helping others use the application, making their user experience better.
• You are service minded, energetic, and able to communicate with different functions and cultures across an organisation.

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.

We offer you a challenging and exciting job in an ambitious working environment characterised by high pace and drive. ISS has an open and informal culture founded on professionalism at all levels. For the right candidate there will be plenty of opportunities for growth.

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 a cover letter, CV and other relevant documents for the position you are applying for. 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.