Sedat Bircan
@sedatbircan
Billing and finance operations specialist, leveraging SAP/ERP and data analysis to optimize invoicing and resolve complex customer issues.
What I'm looking for
I’m a results-driven Business Administration graduate (Diplom-Kaufmann) with strong expertise in accounting, controlling, and billing across international corporate environments. I focus on optimizing financial processes, analyzing complex billing data, and supporting financial reporting and balance sheets.
Since May 2023, I’ve worked as a Billing Subject Matter Expert at Zoom, where I conduct UAT testing and review Business Requirement Documents while supporting new product implementations. I optimize billing processes, act as a POC for usage-based charges, handle Tier 2 escalations, and help ensure pricing accuracy through quote and invoice discrepancy reviews, credits, adjustments, and amendments.
Previously, I supported customers as a Billing Specialist using systems like Zuora, Zendesk, and Salesforce, performing account analysis, troubleshooting billing portal issues, and assisting with payment posting, reconciliation, and collections support. I’ve also delivered technical support across Apple device programs and led teams and operations earlier in my career, bringing a practical, service-focused mindset to every escalation and improvement.
Experience
Work history, roles, and key accomplishments
Optimize billing processes by running UAT, reviewing business requirement documents, and supporting the implementation of new products. Serve as a POC for usage-based charge areas, handle tier-2 escalations, and author internal/public knowledge base articles.
Manage customer billing inquiries via email, phone, and Zoom calls by analyzing accounts and troubleshooting billing portal issues. Review and manually adjust invoices, support payment posting and reconciliation, and coordinate cross-functionally to resolve billing questions.
Validate invoices and verify ownership of Apple devices. Provide technical support and assist with device and billing-related inquiries.
Manage device enrollment and deployments for the Apple Developer & Deployment Program. Handle account renewals, resolve technical issues, and support mobile device management and certificate management.
Configure and troubleshoot macOS and iOS devices and provide customer support. Support network setup and end-user troubleshooting across supported devices.
Logistics Team Manager
Fixemer Logistics GmbH
Jan 2016 - Jul 2017 (1 year 6 months)
Lead a team and coordinate truck transports across Europe and the Near East. Manage sales, tender management, and negotiations with transport companies.
Freelance Traffic Manager
Freelance
May 2015 - Dec 2015 (7 months)
Provide certified expertise in freight transport and traffic management. Completed a Polish language course to support work and communication needs.
Managing Director
IKRAGmbH
Apr 2008 - Apr 2015 (7 years)
Direct operations including warehouse and fleet management, and oversee HR and import/export logistics. Manage financial reporting, operating statements, and balance sheets.
Transport and Sales Manager
LKW WALTER
Jun 2005 - Mar 2008 (2 years 9 months)
Handle sales and transport organization activities. Manage warehouse operations and customs clearance to support logistics delivery.
Education
Degrees, certifications, and relevant coursework
University of Siegen
Diplom-Kaufmann, Business Administration
1999 - 2004
Completed the Diplom-Kaufmann (Business Administration) at the University of Siegen from 1999 to 2004.
Availability
Location
Authorized to work in
Job categories
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