The Senior Accounts Receivable Specialist is responsible for comprehensive accounts receivable operations across multiple European company codes, ensuring accurate financial processing, high-quality customer service, and compliance with internal controls and corporate standards. 

This role acts as a key support function within the AR team, driving process improvements, supporting transitions and standardization initiatives, and serving as a subject matter expert for both internal and external stakeholders. 

Key Responsibilities 

• Manage end-to-end customer accounting activities for multiple European entities. 
• Perform bank postings and allocate incoming and outgoing payments accurately and timely. 
• Prepare and process manual customer and intercompany invoices. 
• Execute and monitor dunning runs and follow-up collection activities. 
• Support transition activities and onboarding of new processes/entities as part of the Transition Team. 
• Drive process automation and standardization initiatives to improve efficiency and quality. 
• Participate in the development and implementation of continuous improvement projects. 
• Maintain and update process documentation and working instructions. 
• Conduct internal financial controls and ensure compliance with SOX requirements and company policies. 
• Support monthly, quarterly, and annual closing activities, including audits and financial reporting processes. 
• Act as a subject matter expert with the ability to oversee all assigned companies and provide operational backup across the team. 
• Serve as the first point of contact for internal and external clients regarding AR-related matters. 

Qualifications & Skills 

• At least 3 years of experience in Accounts Receivable or Finance operations, preferably within an international/shared service environment. 
• Strong understanding of AR processes, reconciliations, and financial controls. 
• Knowledge of SOX controls and audit requirements. 
• Experience in process improvement, standardization, and automation initiatives. 
• Ability to work independently and manage multiple priorities in a dynamic environment. 
• Strong analytical, organizational, and problem-solving skills. 
• Excellent communication and stakeholder management skills. 
• A team-oriented mindset with the ability to support and mentor colleagues. 
• Advanced knowledge of ERP systems (SAP or Oracle) and MS Excel. 
• Fluent English required; additional European languages are an advantage. 

We Offer:   

• Competitive Compensation. Enjoy a fair and transparent salary structure and an annual bonus. We will share all the details with you before the first interview.
• Flexibility & Work-Life Balance. Benefit from flexible working hours (starting between 6 and 10) and a hybrid work setup (minimum 8 days per month in the office).  
• Professional Growth & Development. Take your career to the next level with our Internal Training Center and online Language Courses in the office.   
• Inclusive & Supportive Culture. Join a team that values diversity, collaboration, and open communication. We foster an environment where your ideas matter.  
• Health & Well-being. We care about your health! Access private health insurance, life insurance, Multisport Card contribution, wellness programs, mental health support, and weekly yoga sessions.  
• Extra Perks & Benefits. Enjoy a yearly vacation allowance, Christmas shopping cards, team-building activities, and annual company events.
• Workspace & Tools. Work in a brand-new office equipped with everything you need: ergonomic workstations, modern tools, a Chillout Room with board games, and space to relax.  
• Recognition & Rewards. Your efforts won’t go unnoticed. We offer an anniversary bonus and an outstanding referral program bonus. 

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Globally, our policy is to recruit individuals from wide and diverse backgrounds. However, certain positions require access to controlled goods and technologies subject to various export control regulations.  Applicants for these positions may be limited (by, for example, their countries of citizenship, country of origin, or immigration status) where required by law or governmental contact, and/or employment made contingent upon the issuance of appropriate governmental licensing.

MKS Inc. and its affiliates and subsidiaries (“MKS”) is an affirmative action and equal opportunity employer: diverse candidates are encouraged to apply. We win as a team and are committed to recruiting and hiring qualified applicants regardless of race, color, national origin, sex (including pregnancy and pregnancy-related conditions), religion, age, ancestry, physical or mental disability or handicap, marital status, membership in the uniformed services, veteran status, sexual orientation, gender identity or expression, genetic information, or any other category protected by applicable law. Hiring decisions are based on merit, qualifications and business needs. We conduct background checks and drug screens, in accordance with applicable law and company policies.  MKS is generally only hiring candidates who reside in states where we are registered to do business.

MKS is committed to working with and providing reasonable accommodations to qualified individuals with disabilities. If you need a reasonable accommodation during the application or interview process due to a disability, please contact us at: [email protected] .

If applying for a specific job, please include the requisition number (ex: RXXXX), the title and location of the role