Senior Accounts Receivable Specialist

MKS Inc.; Poznań; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Annual bonus

Hybrid work setup

Private health insurance

Wellness programs

Annual company events

Job summary

MKS Inc. is seeking a Senior Accounts Receivable Specialist to lead end-to-end AR operations across multiple European entities.

You will handle bank postings, invoicing, collections, dunning, and intercompany reconciliations while driving standardization and process improvements within a transitioning AR team. The role requires strong English, 3+ years in AR or finance ops, and experience with SAP or Oracle.

Qualifications

• 3+ years in Accounts Receivable or finance operations.
• Strong AR processes, reconciliations and controls.
• Knowledge of SOX controls and audit requirements.
• Experience in process improvement, standardization and automation.
• Ability to work independently and manage multiple priorities.
• Strong analytical, organizational and problem-solving skills.
• Excellent communication and stakeholder management.
• Team-oriented with mentoring capabilities.
• Advanced knowledge of SAP or Oracle and MS Excel.
• Fluent English; additional European languages are an advantage.

Responsibilities

• Manage end-to-end customer accounting across multiple European entities.
• Perform bank postings and allocate payments accurately and timely.
• Prepare and process manual customer and intercompany invoices.
• Execute and monitor dunning runs and follow-up collections.
• Support transitions and onboarding of new processes/entities.
• Drive process automation and standardization initiatives.
• Participate in continuous improvement projects.
• Maintain and update process documentation and working instructions.
• Conduct internal controls and SOX compliance with company policies.
• Support monthly, quarterly and annual closing activities including audits.

Skills

Accounts Receivable

Finance operations

SOX controls

Process improvement

Automation

Analytical skills

Communication

Mentoring

SAP

Oracle

MS Excel

Fluent English

Tools

SAP

Oracle

Job description

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.