Senior Accountant

About Onyx CenterSource

Onyx CenterSource is the leading global provider of B2B payments and business intelligence solutions to the hospitality industry. Our global team of experts collaborate to solve our clients’ business challenges, enabling our clients to enjoy stronger business relationships with each other by streamlining commission payments, removing friction from the process. This means hotels pay agencies the money they’re owed faster, and agencies receive much-needed supplier revenue more quickly and easily, increasing their desire to direct more bookings to hotels that use Onyx. All of this frees our clients up to focus on strategic, revenue-generating activities.

As a worldwide team with 20+ nationalities represented, we value our differences and use them to best serve our global clients. Every Onyx employee has the opportunity to grow through continual development opportunities, and we’re committed to making a positive impact in our communities and the world.

Onyx offers a variety of benefits to support a competitive total compensation package. You will work in an international and fast paced growing environment full of learning opportunities.

Job Description

Overview

The Senior Accountant plays a critical role in ensuring the accuracy, integrity, and timeliness of the Company’s financial reporting in accordance with U.S. GAAP. Reporting directly to the VP of Finance & Accounting, this position owns key components of the monthly and annual close processes, maintains general ledger integrity, and supports compliance with internal controls and regulatory requirements. This role partners cross-functionally with Treasury, Operations, Client Services, and Commercial teams to strengthen financial processes, enhance reporting accuracy, and drive operational efficiencies. The ideal candidate is detail-oriented, analytically strong, and motivated to improve processes through automation and emerging technologies, including AI-enabled tools where appropriate.

Location

United States

Scope

Global operations support

Education

Minimum required: Bachelor’s degree in Accounting, Finance, or related field.

CPA preferred.

Span of Control:

Reports to: VP of Finance and Accounting

Oversight: This position has no direct reports

Roles/ Responsibilities

• Own key components of the month-end and year-end close processes, including journal entries, accruals, account reconciliations, and variance analysis.
• Maintain general ledger accuracy and ensure financial reporting is compliant with U.S. GAAP.
• Support revenue recognition and expense reporting processes.
• Prepare, review, and analyze balance sheet and income statement reconciliations monthly.
• Support interim and annual external audits, including preparation of audit schedules and coordination of supporting documentation.
• Ensure compliance with internal controls, company policies, and regulatory requirements.
• Lead multi-state unclaimed property (escheatment) and breakage accounting processes in accordance with applicable regulations.
• Identify opportunities to streamline and automate accounting processes using existing ERP systems and emerging technologies.
• Partner cross-functionally with Treasury, Operations, Client Management, and Commercial teams on financial reporting and operational initiatives.
• Participate in special projects and ad hoc financial analyses as assigned.

Qualifications

Required:

• 5+ years of progressive accounting experience, with strong U.S. GAAP knowledge.
• Demonstrated experience with full-cycle accounting and month-end/year-end close.
• Experience supporting external audits.
• Strong understanding of account reconciliations and variance analysis.

Preferred:

• CPA designation (active or in progress).
• Experience in multi-entity or global environments.

Technical Skills:

• Strong knowledge of U.S. GAAP.
• ERP system experience required (Microsoft Business Central preferred).
• Advanced proficiency in Microsoft Excel.
• Experience working with large data sets and manual processes, with a focus on accuracy and efficiency.
• Exposure to automation tools or AI-enabled solutions is a plus.

Core Competencies:

• Strong analytical and problem-solving skills.
• High attention to detail and commitment to accuracy.
• Ability to prioritize effectively and meet deadlines in a dynamic environment.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively across departments.
• Continuous improvement mindset with a focus on process optimization.

Organizational

Interlocks

Success in this position includes:

• Consistently accurate and timely completion of close cycles.
• Clean audit outcomes with well-prepared documentation.
• Strengthened internal controls and compliance processes.
• Identification and implementation of efficiencies that reduce manual effort and improve reporting accuracy.
• Effective cross-functional partnership and collaboration.

Physical Demands/ Travel required

• This position operates in a hybrid work environment, combining remote and in-office work as required.
• Work is primarily sedentary and performed indoors at a desk.
• Travel is minimal and expected to be less than 10%.

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