RTR Financial Controlling Lead (f/m/x)

Mars; Warszawa; Hybrid; PLN 90,000 - 120,000; Full time

Benefits offered by this job

Life insurance

Employee Assistance Program

Private medical care

MultiBenefit Program

Lunch card

Online shopping discounts

Job summary

Mars is hiring an RTR Financial Controlling Lead in Warsaw with 3–5 years of accounting experience. Hybrid work setup with a focus on delivering reliable financial information across entities, partnering with stakeholders, and ensuring timely closings and audits.

You will drive reporting quality and support decision-making in a dynamic international environment. Requirements include a university degree in accounting/finance, US GAAP expertise, SAP and advanced Excel skills, and fluent English.

Qualifications

• US GAAP knowledge and strong accounting principles.
• Fluent English with ability to interact with international stakeholders.
• Proven leadership experience and ability to build high-performing teams.

Responsibilities

• Ensure periodic closings are completed on time and accurately.
• Lead balance review to provide visibility and identify risks/opportunities.
• Coordinate account reconciliation using BlackLine and other systems.
• Support annual external audits and prepare financial statements per legal requirements.
• Manage period-end close activities across corporate systems.
• Prepare and monitor accrued liabilities and manual journal entries.
• Produce financial reports using corporate systems and reporting tools.
• Act as the link between the business and external finance service provider.

Skills

US GAAP knowledge

English (Fluent)

Leadership & team building

Communication

Agile thinking

Education

University degree in Accounting or Finance

Tools

SAP

Excel

Job description

Job Description:

RTR Financial Controlling Lead (f/m/x)

in Mars Global Service

Finance Department

Location: Warsaw

Hybrid working

* Fully virtual recruitment experience *

As a RTR Financial Controlling Lead you will play a key role in ensuring the delivery of reliable and timely financial information across legal entities within the business. You will be responsible for maintaining the quality, accuracy, and visibility of financial statements, including the Profit & Loss, Balance Sheet, and NCFO, through effective reporting and submission within corporate systems. Working closely with stakeholders across the organization, you will help identify risks and opportunities, support informed decision-making, and drive financial excellence in a dynamic international environment.

What would be your key responsibilities?

• Ensure periodic accounting closings are completed on time and in accordance with corporate deadlines, while coordinating activities and maintaining the quality of financial information.
• Lead the balance review process to provide visibility into financial performance and proactively identify potential risks and opportunities.
• Coordinate the account reconciliation process through the BlackLine tool.
• Support annual external audit activities and assist in the preparation of financial statements in line with legal requirements.
• Manage period-end account closing activities through various corporate financial systems.
• Prepare and monitor recurring accrued liabilities and manual journal entries.
• Prepare financial reports using various corporate systems and reporting tools.
• Serve as the key link between the business and the external finance service provider, ensuring accurate financial reporting and effective collaboration across teams.

What are we looking for?

• Min 3-5 years of experience in accounting & finance

• University degree in Accounting or Finance field

• Advanced knowledge of Financial Accounting and reporting (US GAAP), including Profit & Loss, Balance Sheet, Source and Use of Cash required
• End user experience with SAP, advanced Excel
• Experience with and comfort around higher management
• Strong people skills and be an agile thinker
• Track record in building effective teams and developing direct reports, especially with strong functional/technical requirements
• Fluent English

What can you expect from Mars?

• Permanent contract of employment as from the start.
• Attractive financial conditions including Bonuses.
• We will also look after your safety and well-being by offering you rich benefits package including life insurance, Employee Assistance Program fully covered by Mars, and private medical care, MultiBenefit Program and lunch card.
• Extra savings scheme to support You in long perspective.
• Support in career building through personalized development plan.
• On-line shop with attractive discounts on our products that Your family and friend are going to love.
• Possibility to participate in volunteering initiatives during working hours.
• A modern and pet friendly office in the City Center (Zlote Tarasy building).