Dariusz K.-Interim Manager Finance and Accounting

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Experience
Interim Support Fixed Asset and Investment Accounting
HAKO GmbH
Part-time assignment since 01.09.2026.
- Operational support for fixed asset and investment accounting
- Support with the accounting treatment of assets under construction
- Processing of related accounting transactions in SAP R/3
System: SAP R/3
Interim Support Financial Accounting in an Insolvency Context
Autohaus König / Autohaus Gotthard König
Assignment from 01.08.2026 to 15.10.2026. August 2026: full-time; from September 2026: approx. 4–5 hours per week.
- Support for ongoing financial accounting as part of the insolvency proceedings
- Processing bank accounting and bank postings for more than 50 banks, including Stellantis and Renault
- Support for accounts payable and processing of related accounting documents
- Obtaining, compiling and preparing the required documents and accounting records
- Programming and creating AI-supported converters for processing accounting-related PDF documents
Systems: DRACAR, Nootix
Interim Manager
Voestalpine
Location: Berlin.
- Taking over and managing the entire accounting team
- Responsibility for general ledger accounting, including ongoing accounting and process management in SAP S/4HANA GUI
- Independent preparation of monthly and annual financial statements
- Comprehensive digitalization and automation of financial and posting processes
- Systematic account cleanup and optimization of automated posting processes
- Creation of structured workflows and precise process documentation for accounting and closing activities
- Introduction and structuring of WBS elements for project cost management
- Cleanup, reconciliation and revaluation of fixed assets
Interim Financial Accountant
Hedin Automotive GmbH
- Responsible management of general ledger accounting for several branches
- Reliable handling of accounts payable and fixed asset accounting, bank postings and general ledger account reconciliation
- Systematic optimization of accounting processes, including clearing open items
- Preparation of monthly and quarterly financial statements for various companies
- Posting of vehicle purchases and sales, as well as detailed recording of workshop and repair services
- Careful preparation and updating of management reports and notes to the financial statements
Interim Financial Accountant
Deutsche GigaNetz GmbH
- Ongoing accounting in SAP S/4HANA Fiori
- Establishment, structuring and ongoing maintenance of WBS elements for investment measures in fiber-optic expansion
- Posting investment and project costs to WBS elements, including independent coding decisions (CAPEX/OPEX allocation)
- Preparation of CAPEX and OPEX reports
- Optimization and restructuring of fixed asset accounting
Interim Head of Financial Accounting and Controlling
UGP Unternehmensgruppe
- Responsibility for annual financial statements of 168 companies in cooperation with tax advisors
- Leadership and development of a team of three employees (Cash, Controlling, Accounting)
- Digital transformation and implementation of the Wowi-Port ERP system
- Establishment of efficient workflows and streamlining of outdated structures
- Automation and digitalization of core processes
Financial Accountant & Controller (Germany / USA)
Tools for Humanity GmbH (Worldcoin)
- Migration from DATEV to SAP S/4HANA Cloud and development of a new chart of accounts
- Financial accounting in accordance with HGB, IFRS and US-GAAP
- Management of accounts payable, procurement, travel expenses and credit card statements
- Fixed asset accounting, payment processing and approval processes
Financial Accountant
PREA Group GmbH
- Successful implementation of accounts receivable, accounts payable and fixed asset accounting, as well as careful cash management
- Structured setup of payroll accounting for 50 employees, including vacation planning and DMS
- Responsible support for three companies and effective training of the team in the accounting software
- Continuous cost control and precise budget monitoring for ongoing projects
Project Manager
VDI/VDE-IT
- Management and coordination of projects, including schedule and resource planning
- Budget monitoring and control of the use of funds
- Coordination with project participants and reporting to the project management
Financial Accountant (Temporary Work)
Hach Lange GmbH
- Accurate posting and reconciliation of several company codes in accordance with HGB and US-GAAP
- Timely preparation of monthly financial statements and proactive cooperation with the cash collection team
- Detailed account and balance reconciliations, including reversals, advance payments and bank reconciliations
- Systematic cleanup of legacy issues and sustainable assurance of correct posting processes
Financial Accountant (Temporary Employment)
Fugro Germany Land GmbH
- Ongoing accounts payable, accounts receivable and general ledger accounting
- Account reconciliation and clarification of outstanding items
- Support with month-end closing activities
Financial Accountant (Temporary Employment)
Wäscherei Niederkrone e.K.
- Ongoing financial accounting and document entry
- Bank and cash postings as well as account reconciliation
- Preparation of payment runs and dunning procedures
Financial Modelling Intern
Zohre Esmaeli Foundation gGmbH
- Creation and maintenance of financial models in Excel
- Preparation of key figures, analyses and reports
- Support with budget and liquidity planning
Bus and Training Driver as well as Trainer
Berliner Verkehrsbetriebe
Specialist for Mail and Freight Transport
Deutsche Post WorldNet AG
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Government and Administration, Transportation, Information Technology, Professional Services, Automotive, and Real Estate.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Operations, Accounting, Finance, Logistics, Procurement, and Project Management.
Summary
Experienced interim manager in finance and accounting with many years of practical experience in accounting and controlling according to HGB, IFRS and US-GAAP. Key areas: monthly and annual closing, fixed asset accounting, and the digitalization and automation of financial processes across several industries – from industrial and automotive to real estate and tech. Proficient in SAP S/4HANA (FI & CO) and ERP migrations, with a strong hands-on approach as well as experience in setting up, cleaning up and managing accounting structures.
Further areas of focus include fixed asset and investment accounting in SAP R/3, as well as programming and creating AI-supported converters for processing accounting-related PDF documents.
Available at short notice for interim assignments nationwide, remotely and on site.
Skills
- Many Years Of Experience In Financial Accounting & Controlling (Hgb, Ifrs, Us-Gaap)
- Accounts Payable, Accounts Receivable And Fixed Asset Accounting
- Monthly & Annual Closing
- Process Optimization, Digitalization & Automation Of Financial Processes
- Interim & Project Management
- Erp Migrations
- Team Management & Onboarding Of New Employees
- Ms Office & Teams
- Pivot Tables
- Financial Modelling
- Excel Macro Programming
- Sap S/4hana Fiori (Fi & Co)
- Sap S/4hana Gui
- Sap R/3
- Wbs Elements And Capex/Opex Allocation
- Prince2 Foundation
- Erp Wowi-Port
- T-Systems Accounting System
- Dracar
- Nootix
- Programming And Creation Of Ai-Supported Pdf Converters
Languages
Education
Hochschule für Ökonomie und Management
Master of Science (o. A.) · Finance & Accounting · Berlin, Germany
GoBS German Open Business School, Hochschule
Bachelor of Arts · Business Administration, Schwerpunkt: Controlling · Berlin, Germany
AKAD Hochschule
Studium zum geprüften Verkehrsfachwirt (Bachelor Professional of Transport Management) · Stuttgart, Germany
Certifications & licenses
Weiterbildung zum Betriebswirt (Business Administration)
GoBS Hochschule für Wirtschaft und Verwaltung
Fibutroniker – Digitalisierung und Automatisierung
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Dariusz is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.
Dariusz speaks the following languages: German (Native), English (Advanced), Polish (Advanced).
Dariusz has at least 23 years of experience. During this time, Dariusz has worked in at least 13 different roles and for 15 different companies. The average length of individual experience is 2 years and 6 months. Note that Dariusz may not have shared all experience and actually has more experience.
Based on recent experience, Dariusz would be well-suited for roles such as: Interim Support Fixed Asset and Investment Accounting, Interim Support Financial Accounting in an Insolvency Context, Interim Manager.
Dariusz's most recent position is Interim Support Fixed Asset and Investment Accounting at HAKO GmbH.
In recent years, Dariusz has worked for HAKO GmbH, Autohaus König / Autohaus Gotthard König, Voestalpine, Hedin Automotive GmbH, and Deutsche GigaNetz GmbH.
Dariusz is most experienced in industries like Government and Administration, Transportation, and Information Technology. Dariusz also has some experience in Professional Services, Chemical, and Real Estate.
Dariusz is most experienced in business areas like Operations, Accounting, and Finance. Dariusz also has some experience in Logistics, Procurement, and Project Management.
Dariusz has recently worked in industries like Information Technology, Real Estate, and Automotive.
Dariusz has recently worked in business areas like Accounting, Finance, and Procurement.
Dariusz holds a Master in Finance & Accounting from Hochschule für Ökonomie und Management, a Bachelor in Business Administration, Schwerpunkt: Controlling from GoBS German Open Business School, Hochschule and a Bachelor in Studium zum geprüften Verkehrsfachwirt (Bachelor Professional of Transport Management) from AKAD Hochschule.
Dariusz has 3 certificates. These include: Weiterbildung zum Betriebswirt (Business Administration), Fibutroniker – Digitalisierung und Automatisierung, and Prince2 Foundation.
Dariusz is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 26 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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