Plant Controller (f/m/x)

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Date: Jul 4, 2026

Location: Sonneberg, DE

Company: Mondi AG

The Plant Controller (f/m/x) plays a key role in establishing and developing a professional production controlling function at our Sonneberg site following the integration of a former mid-sized manufacturing company into a large listed international group. Working closely with the Finance Director, Plant Manager, and Operations Management, the role focuses on building controlling structures, improving financial transparency, supporting operational decision-making, and driving continuous performance improvements across the plant. The position combines hands-on operational controlling with business partnering and offers the opportunity to actively shape finance processes during a period of significant organisational transformation.

 


Your mission:

  • Oversee financial planning processes, including budgeting, forecasting, and reporting, while delivering clear insights for strategic decision-making
  • Monitor and optimise costs, analysing raw material expenses, production KPIs, and operational efficiency to drive cost-saving initiatives
  • Lead ERP-related financial processes, ensuring effective system implementation, data integrity, and continuous process improvements (e.g. SAP FI/CO in the future)
  • Support the implementation of SAP FI/CO during 2027 as preparation for the planned SAP S/4HANA rollout in 2028
  • Support business transformation, managing the financial aspects of change initiatives such as process redesigns, system upgrades, and integrations
  • Ensure full financial compliance, including timely and accurate reporting under IFRS/local GAAP, managing internal controls, and leading audits
  • Evaluate capital expenditure projects by preparing business cases and financial analyses for machinery investments, capacity expansions, and operational improvement initiatives

 

 

Your profile:

  • University degree in Business Administration, Finance, Controlling, or a comparable field, ideally with a focus on manufacturing finance
  • Experience in manufacturing controlling, ideally within a production environment.
  • Fluency in German and English is essential
  • At least 5 years of experience in supporting multiple sites, especially in the manufacturing industry
  • Solid understanding of financial principles and accounting, combined with strong analytical skills
  • Excellent proficiency in Microsoft Office, particularly Excel; high IT affinity and experience with ERP systems
  • Ready to work in a transformation environment with a hands-on mindset, taking ownership to solve problems, improve data transparency, and continuously develop controlling processes
  • Strong team orientation, openness, and the ability to communicate effectively with diverse stakeholders in a plant environment

 


Our offer:

  • Opportunity to shape and build a modern Finance function during an exciting business transformation
  • Duration: unlimited contract
  • Start: immediate start possible 
  • Location: Sonneberg, Germany
  • Extent: full-time, 40 hours

 

 

Benefits: 

  • Flexible remote work options
  • A manager that supports Learning & Development
  • Discount for employees
  • Events for employees
  • Parking

Benefits: Learning & Development; Discount for employees possible; Events for employees; Parking; Remote work flexibility 

Get in touch:

We strive to create a culture that inspires our people to reach their full potential. Going the extra mile – for colleagues and customers – our people drive our passion for performance and are the key ingredient of Mondi’s success. Be part of our future. 

Do you want to know more about Mondi? We are a global leader in packaging and paper, contributing to a better world through innovative solutions that are sustainable by design. Our global team of 24,000 people works across 100 production sites in more than 30 countries.

Our strength lies in our diversity. We are dedicated to creating a team that reflects the diversity of the world we operate in. We encourage applications from traditionally underrepresented groups, including women, visible minorities, LGBTQI+ individuals, and people with disabilities.

Even if you don't meet all the listed qualifications, we still want to hear from you. We believe in your potential and are committed to supporting you as you grow and learn at Mondi. 

Only CVs uploaded onto our online career platform will be taken into consideration. With your application, you will be redirected to our recruiting platform. After creating an account, you will receive an activation link. If you do not find the email in your inbox, please check your spam folder or add the address no-reply@mondigroup.com “safe list” or address book.

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