Penox GmbH is Hiring - February 2026
Deutsch – Jobprofil (Teilzeit) Buchhaltung / Accounting
Stellenbezeichnung: Mitarbeiter*in Buchhaltung / Accounting (Teilzeit)
Standort: Ohrdruf (remote nach Absprache)
Arbeitszeit: Teilzeit (z. B. 20–25 Std./Woche)
Eintritt: schnellstmöglich
Ziel der Position
Unterstützung des Accounting-Teams im Tagesgeschäft zur Stabilisierung der operativen Abläufe und Entlastung bei wiederkehrenden Aufgaben.
Aufgaben
- Bearbeitung der Debitoren- und Kreditorenbuchhaltung (Rechnungsprüfung, Kontierung, Buchung, Abstimmungen)
- Bank- und Kassenbuchungen, Zahlungsverkehr (nach Prozess/Freigabe)
- Kontenabstimmungen (Sachkonten, Kreditoren/Debitoren, Intercompany nach Bedarf)
- Unterstützung bei Monats- und Jahresabschluss (Vorarbeiten, Abstimmungslisten, Belege)
- Pflege von Stammdaten (Kreditoren/Debitoren)
- Unterstützung bei USt-Themen (z. B. Belegprüfung, Zuarbeit für Meldungen)
- Klärung offener Posten und Kommunikation mit internen Ansprechpartnern
- Allgemeine administrative Unterstützung (Dokumentation, Ablage, Prozessunterstützung)
Anforderungen / Qualifikationen
- Kaufmännische Ausbildung (z. B. Industriekaufmann/-frau, Steuerfachangestellte*r) oder vergleichbar
- Erfahrung in der Buchhaltung/Accounting (Teilbereiche sind ok)
- Sicherer Umgang mit MS Office, insbesondere Excel; ERP-Erfahrung von Vorteil (Navision)
- Strukturierte, zuverlässige Arbeitsweise; Fähigkeit, Prioritäten zu setzen
- Teamfähigkeit, klare Kommunikation und serviceorientiertes Arbeiten
- Deutsch fließend; Englisch von Vorteil
Wir bieten
- Die Vergütung und sonstigen Arbeitsbedingungen richten sich nach dem jeweils geltenden Tarifvertrag der IGBCE (inkl. Entgeltgruppen/Eingruppierung sowie tariflicher Zulagen und Sonderzahlungen, soweit anwendbar).
- Flexible Teilzeitgestaltung und Remote-Anteil nach Absprache
- Einarbeitung und klare Prozesse/Ansprechpartner
- Kollegiales Umfeld und kurze Entscheidungswege
Unterlagen: Kurzlebenslauf, möglicher Starttermin, gewünschte Wochenstunden, Gehaltsvorstellung (optional)
Kontakt: Mr Curt-Philipp Lorber - clorber@penoxgroup.com
English – Job Profile (Part-time) Accounting / Bookkeeping
Job Title: Accounting / Bookkeeping Specialist (Part-time)
Location: Ohrdruf (remote by arrangement)
Working Hours: Part-time (e.g., 20–25 hours/week)
Start Date: as soon as possible
Purpose of the Role
Support the accounting team in day-to-day operations to ensure stable processes and relieve workload by taking ownership of recurring accounting tasks.
Key Responsibilities
- Accounts Payable & Accounts Receivable processing (invoice checks, coding, posting, reconciliations)
- Bank and cash postings, payment preparation (subject to internal approvals)
- Account reconciliations (GL, AP/AR, intercompany if required)
- Support with month-end and year-end closing preparation (supporting schedules, documentation)
- Maintenance of master data (vendors/customers)
- Support on VAT-related tasks (e.g., document checks, preparation support)
- Clearing open items and coordination with internal stakeholders
- General administrative support (filing, documentation, process support)
Requirements / Qualifications
- Completed commercial education or comparable qualification
- Practical experience in accounting (experience in specific areas is acceptable)
- Proficiency in MS Office, especially Excel; ERP experience is a plus (Navision)
- Structured, reliable working style; ability to prioritize under workload
- Strong teamwork and communication skills
- Fluent German; English is an advantage
What We Offer
- Compensation and other employment conditions shall be governed by the applicable IGBCE collective bargaining agreement, including grading/pay groups and any collectively agreed allowances and special payments, where applicable
- Flexible part-time setup and remote work by arrangement
- Onboarding and clear processes/contacts
- Supportive team environment and short decision paths
Please include: CV, earliest start date, preferred weekly hours, salary expectation (optional)
Contact: Mr Curt-Philipp Lorber - clorber@penoxgroup.com
PENOX #ABC2025
PENOX delegation to ABC in Borneo.
Thorsten Peters, Chul Jeong, Denis Doiseau, Tiffany Park, Rainer Bussar and Micha Kirchgessner!
PENOX #ABC 2023
PENOX Group is honored to announce our participation at 20ABC in Cambodia from September 5-8, 2023 allowing us to present the latest developments on battery additives and lead oxides with the following papers:
Friday 8th September at 11.25am presented by Dr. Rainer Bussar
- “Advanced Red Lead and its Benefit for the Lead–Acid Battery Formation Process” – PENOX started with the development of ‘Advanced Red Lead’ to bring additional value to the battery industry through more stable processes and energy reduction.
The following team members will be pleased to welcome you on our booth 5 and to propose PENOX solutions for your individual challenges :
- Denis DOISEAU, CEO PENOX Group
- Thorsten PETERS, Global Sales Director PENOX Group
- Dr. Rainer BUSSAR, Battery Additives Manager PENOX GmbH
PENOX #ELBC 2022
PENOX Group was honored to participate at ELBC 2022 in September, allowing us to present the latest lead oxides and battery additives developments.
R&D teamwas presenting the following paper:
-"A new innovation Red Lead: Combining the advantage of tetrabasic seeding with Red Lead”
-“Contributions towards a higher Energy Efficiency in Formation of Lead-Acid Batteries.”
Don’t hesitate to contact your PENOX contact for more information!
PENOX Group at Fenibat
PENOX Group is honored to announce our participation at Fenibat 2022 from May 22-24, allowing us to present the latest lead oxides and battery additives developments.
Dr Rainer Bussar will present the following paper:
“From Basic to Advanced EFB design – Function and Limits of Carbon.”
Please meet us at booth #104!
The team will be pleased to propose PENOX solutions for your individual challenges.
PENOX Korea installed a second red lead oven!
PENOX Korea has successfully installed a second red lead oven in our plant located in Yeongcheon, Gyeongsangbuk-do, South Korea.
This new SA3 oven doubles our production capacity and allows us to develop further our business in Korea and in South East Asia. PENOX Korea is able to supply all red lead grades required by the most innovative lead acid battery producers in Asia and PENOX Group is proud of PENOX Korea achievements.
Congratulations to our Engineering and Korean Teams for this well managed project.







