Advanced Specialist, Operational Excellence - AP OPEX

Advanced Specialist, Operational Excellence - AP OPEX Requisition ID 2026-23556 Country Hungary City Budapest Overview: Actively and independently drives global AP or cross-functional, standardization, process improvements and change projects. Drives innovation and improvement idea realization from conception until implementation within AP department with the ability of handling multiple departments including cross-functional collaboration. Plans, coordinates and supervises system enhancements and related testing. Works closely with IT BRMs and other OPEX organizations in the area of P2P. Drives and leads the company´s upgrade strategies in identifying business benefits. Sets and drives internal quality standards. Designs and commissions ad hoc analysis supporting department objectives and/or strategy. Supports the planning, coordination of all initiatives managed by AP OPEX team. Provides support in project pipeline maintenance and coordinating P2P project leaders.

Responsible for tasks involving analysis of financial and transactional data, including report or KPI design Driver of creation and improvement of departmental policies, training documents and performance metrics Gate-keeping and channeling between operations and business owners Responsible for idea generation of and driving process improvements Projects Proponent of standardization efforts across regions and sub-functions Training, support & functional coaching of super users Ideation and maintenance of P2P project pipeline Solution discovery, analysis and implementation Works under supervision Qualifications:

Structured problem solving/troubleshooting abilities and follow-up skills  to perform complex issue resolution Requires a basic understanding of accounting fundamentals and principles Ability to effectively communicate with multiple levels within the organization, as well as external parties. Ability to complete activities and accomplish objectives independently Minimum 3 years' experience in accounts payable Experience in project management and implementing process improvements (six sigma, agile, lean or similar methodology) is an advantage) Ability to drive for results Ability to translate functional business requirements into technical ones Must be able to work well with others Fluent English language knowledge Desirable Knowledge/Skills/Abilities: Proven data entry Sufficient understanding of the P2P processes Analytical and problem-solving skills SAP PR3, PBI Accounting knowledge & University degree is an advantage Other European Language knowledge is an advantage

Work-life balance: Hybrid working model with flexible working hours (core hours 9-5) so you can balance your priorities Competitive compensation: Attractive salary package with comprehensive Cafeteria benefits and health insurance Career growth: Clear development paths with cross-functional and international opportunities, plus language courses to expand your skills Exceptional workplace: Modern green office with amenities that make every day enjoyable, including doggy days when you can bring your furry friend Community & culture: Regular company events, CSR initiatives and charity activities, and active employee resource groups Diverse environment: Work with colleagues from various backgrounds and cultures in an inclusive, supportive atmosphere Continuous learning: Ongoing training, development programs, and exposure to end-to-end business processes About CBS Budapest & Celanese CBS (Celanese Business Solutions) Budapest is more than a shared service center – we're a strategic partner to Celanese, a global chemistry leader driving innovation that improves everyday life. Join our diverse, welcoming community where your ideas matter, your growth is supported, and your work-life balance is respected. Our exceptional green office and flexible working conditions create an environment where you can thrive professionally while focusing on what matters most to you personally. #APOPEX #OperationalExcellence #projectmanagement #AP #OPEX #CelaneseBudapest Apply: Apply for this job online Apply Share Refer this job to a friend Refer Sorry the Share function is not working properly at this moment. Please refresh the page and try again later. Share on your newsfeed Celanese is a global leader in chemistry, producing specialty material solutions used across most major industries and consumer applications. Our businesses use our chemistry, technology and commercial expertise to create value for our customers, employees and shareholders. We support sustainability by responsibly managing the materials we create and growing our portfolio of sustainable products to meet customer and societal demand. We strive to make a positive impact in our communities and to foster inclusivity across our teams. Celanese Corporation is a Fortune 500 company that employs more than 11,000 employees worldwide with 2025 net sales of $9.5 billion. For more information about Celanese Corporation and its product offerings, visit www.celanese.com. Celanese ist ein weltweit führendes Chemieunternehmen, das Spezialmaterialien herstellt, die in den meisten wichtigen Industriezweigen und Verbraucheranwendungen zum Einsatz kommen. Unsere Geschäftsbereiche nutzen unsere chemische, technologische und kaufmännische Expertise, um Mehrwert für unsere Kunden, Mitarbeiter und Aktionäre zu schaffen. Wir fördern Nachhaltigkeit, indem wir die von uns hergestellten Materialien verantwortungsbewusst verwalten und unser Portfolio an nachhaltigen Produkten ausbauen, um den Anforderungen unserer Kunden und der Gesellschaft gerecht zu werden. Wir sind bestrebt, einen positiven Beitrag in unseren Gemeinden zu leisten und Inklusion in unseren Teams zu fördern. Die Celanese Corporation ist ein Fortune-500-Unternehmen, das weltweit mehr als 11.000 Mitarbeiter beschäftigt und im Jahr 2025 einen Nettoumsatz von 9,5 Milliarden US-Dollar erzielte. Interested in this opportunity? Note: If you were referred by an employee (they set-up your profile) to this opportunity, you can add and/or update your resume/CV before or after applying to this position. Socialize this job opportunity to a friend, colleague, or family member: