Senior Administrator – Finance Operations

JTC Group; Warszawa; On-site; PLN 60,000 - 80,000; Full time

Job summary

A dynamic finance services provider in Warsaw is seeking a Senior Administrator to oversee billing operations and manage complex invoices within the Group Finance department. The ideal candidate must have proven experience in finance roles, excellent attention to detail, and strong problem-solving skills. This role offers opportunities for growth within an inclusive work environment, with responsibilities ranging from billing process management to client liaison.

Qualifications

• Proven experience in billing, accounting, or finance administration roles.
• Advanced proficiency in Microsoft Office Suite.
• Strong communication and interpersonal skills.

Responsibilities

• Oversee end-to-end billing processes across multiple jurisdictions.
• Prepare, review, and validate complex invoices.
• Liaise with clients and stakeholders to resolve billing issues.

Skills

Billing expertise

Attention to detail

Problem-solving

Interpersonal skills

Analytical mindset

Ability to prioritize

Team collaboration

Communication proficiency in English

Education

University degree in Finance, Accounting, Business Administration or related field

Professional certifications (e.g., AAT, ACCA, CPA)

Tools

Microsoft Office Suite (Excel, Word, PowerPoint, Outlook)

Job description

Senior Administrator – Finance Operations

We are seeking aSenior Administrator to support our Group Finance department, with a primaryfocus on the Accounts Receivable (AR) function.

This is anexcellent opportunity for an individual with experience in the financialservices industry. The role will require overseeing and managing the billingprocess across multiple jurisdictions, ensuring accuracy, compliance, andefficiency.

The SeniorAdministrator will play a key role in coordinating billing operations,resolving complex billing issues, and supporting the finance team in meetingbusiness objectives in a timely and compliant manner.

MAIN RESPONSIBILITIES AND DUTIES

• Oversee end-to-end billing processes across multiple jurisdictions, ensuring compliance with local and international laws and regulations.
• Prepare, review, and validate complex invoices as per contractual requirements and applicable jurisdictional standards.
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• Liaise with clients, stakeholders, and internal teams to resolve billing discrepancies and clarify billing queries.
• Maintain comprehensive records of all billing-related documentation and correspondence.
• Ensure timely generation and delivery of invoices, proactively following up on outstanding items.
• Support annual fee reviews by coordinating with the line manager, Commercial Office, and administration teams to set fee increases, implement new fees, and manage review, approval, and billing.
• Establish and maintain strong working relationships with key internal stakeholders to resolve issues related to billing and drive continuous process improvement and innovation leveraging industry trends and new technologies.
• Support the Finance Operations team during transition period by preparing and posting General Ledger entries, performing month-end tasks, reconciliations, and financial reporting.
• Any other duties as deemed necessary by Management.

ESSENTIAL REQUIREMENTS

• Proven experience in billing, accounting, or finance administration roles, with demonstrated expertise across multiple jurisdictions.
• University degree in Finance, Accounting, Business Administration, or a related field preferred.Professional certifications (e.g., AAT, ACCA, CPA) are an advantage.
• Advanced proficiency in Microsoft Office Suite (Excel, Word, PowerPoint, Outlook) is essential.
• Excellent attention to detail and a high level of accuracy in preparing and reviewing invoices and documentation.
• Strong problem-solving abilities and an analytical mindset.
• Ability to manage multiple tasks, prioritise workload, and meet tight deadlines in a fast-paced environment.
• Excellent proficiency in both spoken and written English.
• Strong communication and interpersonal skills, with ability to build relationships across different jurisdictions, functions and with external stakeholders.
• Strong team player with excellent interpersonal skills and ability to collaborate effectively.
• Experience in training or mentoring team members is highly desirable.

OUR COMMITMENT TO INCLUSION & WELLBEING

JTC is committed to fostering a healthy, inclusiveorganisation where all individuals feel welcome and feel able to participate inthe workplace fully. We value different perspectives, backgrounds and livedexperiences. This includes supporting employee wellbeing so that people feelequipped to thrive.

Whether you are just starting out or seeking new challenges, JTC offers an environment where you can grow, develop, and succeed at every stage of your career.

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