Senior Tax Expert
About the job
- A completed degree in taxation, finance, accounting, business administration, or a comparable field is required.
- At least five years of professional experience in German corporate tax law, ideally in an international environment, is required.
- Strong knowledge of German corporate income tax and value-added tax law, tax consolidation rules, and real estate transfer tax is required.
- Experience preparing transfer pricing documentation and handling intercompany transactions is required.
- Knowledge of Pillar Two and international tax reporting is desirable.
- Experience with SAP is desirable.
- Very good English skills are required; German language skills are advantageous.
- Additional tax qualifications, such as preparation for the tax advisor examination or a comparable certification, are advantageous.
- Manage tax compliance for all German companies and ensure the timely and proper filing of corporate income tax, value-added tax, and other legally required tax returns.
- Prepare and review tax balance sheets, tax calculations, and deferred taxes as part of annual financial statements.
- Ensure full compliance with German tax laws, regulations, and reporting requirements.
- Review tax calculations, deductions, and credits to minimize risks and optimize the tax position.
- Provide specialist advice on German tax matters, including corporate income tax and value-added tax group taxation, as well as real estate transfer tax.
- Support tax audits, communicate with tax authorities, and coordinate with external advisors.
- Contribute to preparing and reviewing transfer pricing documentation in accordance with German requirements.
- Coordinate intercompany transactions of German companies and ensure their correct tax treatment.
- Monitor compliance with Pillar Two regulations, including required documentation and filings.
- Support country-by-country reporting processes.
- Work with the Group Tax team on international tax matters, particularly transactions involving US companies.
- Collaborate closely with Finance, Accounting, and Group Tax to ensure coordinated tax treatment and reporting.
- Act as a contact person and trusted advisor for internal stakeholders regarding tax implications in Germany.
- Knowledge of Pillar Two and international tax reporting.
- Experience with SAP.
- German language skills.
- Additional tax qualifications, such as preparation for the tax advisor examination or a comparable certification.
About the company
Triathlon Group ofrece soluciones de almacenamiento de energía basadas en baterías. Desarrolla, fabrica y distribuye baterías de plomo-ácido y litio, además de sistemas completos de almacenamiento de energía para almacenar electricidad y suministrarla cuando se necesita. Las baterías y los sistemas pueden incorporar diferentes chemistries (plomo-ácido e ion de litio) para aplicaciones como respaldo, grid y uso comercial. La empresa se diferencia de sus competidores al cubrir todo el ciclo de producto, desde desarrollo y producción hasta distribución, y al enfocarse en soluciones respetuosas con el medio ambiente. Su objetivo es proveer soluciones de almacenamiento de energía confiables y sostenibles que ayuden a gestionar la electricidad de forma más eficiente.
Company Size
1-10
Company Stage
N/A
Total Funding
N/A
Headquarters
Spain
Founded
1991
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Simplify's Take
What believers are saying
- January 2026 control gives Sunlight direct synergies across sourcing, sales, and manufacturing.
- Triathlon France was fully absorbed in 2024, strengthening France's €250 million battery market presence.
- Martin Hartmann joined Sunlight's board and commercial team, preserving Triathlon's operating know-how.
What critics are saying
- Sunlight now controls Triathlon completely, so any integration failure directly hits the subsidiary.
- Triathlon's France integration under Sunlight centralizes decisions, risking local customer churn before 2027 renewals.
- If Sunlight strips autonomy, Triathlon becomes a brand line, ending as an independent employer.
What makes Triathlon Group unique
- Triathlon pairs lead-acid and lithium-ion batteries for forklifts, AGVs, and industrial vehicles.
- Sunlight completed 100% ownership on January 15, 2026, unifying industrial battery assets.
- Its systems reach over 95 countries through Sunlight's expanded commercial platform.
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Professional Development Budget
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Company News
July 24, 2025: Sunlight Group, the Greece-based lead and lithium battery manufacturer, has appointed Matthias Fischer as its new chairman.
Concurrently, Germany's Lehmann Marine, in collaboration with Greece's Sunlight Group, has introduced the AQUBE battery system - a compact and modular LFP solution featuring continuous 2C charge/discharge capability and advanced water-cooling.
April 10, 2025: Greece-based Sunlight Group is teaming up with the country's University of Thessaly in a project that will use artificial intelligence in the development of next generation batteries.
As part of this initiative, Sunlight Group has agreed to divest from Voltabox AG, while it plans to and acquire Voltamobil, a company specializing in high-voltage battery solutions, strengthening its position in the energy storage market.
The French deal comes just over a year after Sunlight acquired 100% ownership of Triathlon in Germany.