Senior Accounts Payable Coordinator

Vertex; Braintree (MA); On-site; USD 60,000 - 163,000; Full time

Benefits offered by this job

Healthcare plan

401(k) with matching

Paid time off

Job summary

The Vertex Companies, LLC is seeking a Senior Accounts Payable Coordinator to oversee accurate and timely processing of vendor invoices and payments. You will own reconciliations, issue resolution, reporting, and drive process consistency while supporting the AP Manager and month-end close.

You will serve as a resource for vendors and internal stakeholders, maintain vendor records, and help improve invoice flow and controls.

Qualifications

• Bachelor's degree and 5 years of related experience, a Master's degree and 3 years of related experience, or 8 years of related experience and no degree.
• Proven track record of independent work product production, project management, communication, and coordination with other team members
• Demonstrated management skills

Responsibilities

• Process vendor invoices and check requests, code and approve.
• Prepare and process checks, ACH payments, and transfers.
• Reconcile payments and vendor accounts, monitor outstanding balances.
• Resolve invoice and payment discrepancies with subcontractors, vendors, and internal staff.
• Maintain accurate vendor records and promote data integrity.
• Produce monthly AP reports and assist with month-end close.
• Support cross-functional teams to improve invoice flow and payment accuracy.

Skills

Excel proficiency

Communication skills

Analytical skills

Staff supervision

Project management

Education

Bachelor's degree

Master's degree

Job description

Description

Company Description

The Vertex Companies, LLC (Vertex) is a $180M global consulting firm that integrates strategic advisory, project management, and dispute resolution services for organizations facing complex challenges in a world of risk. We embody our core values of embracing lifelong learning, operating with urgency, maximizing value, and driving collaboration to better outcomes for our clients, colleagues, and communities. Join us if you are looking for a career that offers you a chance to love what you do and deliver meaningful impact.

Job Description

The Senior Accounts Payable Coordinator plays a key role in ensuring the accurate, timely, and efficient processing of accounts payable transactions. This position combines hands-on transaction processing with senior-level ownership of reconciliations, issue resolution, reporting, and process consistency. The successful candidate will serve as a knowledgeable resource for vendors, subcontractors, and internal stakeholders while supporting the Accounts Payable Manager and month-end close activities.

Core Responsibilities

• Invoice and payment processing: Review, validate, code, and process vendor invoices and check requests; organize and distribute invoices; and ensure transactions are properly supported and approved.
• Payment execution: Prepare and process checks, electronic transfers, and ACH payments accurately and in accordance with established schedules and controls.
• Account reconciliation: Reconcile payments and vendor accounts, monitor outstanding balances, and ensure accounts remain current.
• Issue resolution and escalation: Serve as a primary point of contact for complex accounts payable questions and escalated invoice, payment, and statement discrepancies; coordinate with subcontractors, vendors, and internal personnel to resolve issues promptly and professionally.
• Controls and prioritization: Apply sound judgment to prioritize time-sensitive payments and resolve exceptions while maintaining strong internal controls.
• Vendor administration: Maintain accurate vendor records and support the integrity and completeness of vendor files while promoting a positive vendor experience.
• Reporting and close support: Produce monthly accounts payable reports, prepare account analyses, assist with month-end closing activities, and support special projects and ad hoc analysis for the Accounts Payable Manager.
• Operational support: Monitor the accounts payable inbox, respond to payment inquiries, identify recurring issues, and help promote consistent and efficient accounts payable practices.
• Cross-functional partnership: Partner with internal teams to improve invoice flow, documentation, payment accuracy, and overall process efficiency.
• Process and team leadership: Identify opportunities to strengthen processes and reduce delays, and provide guidance and knowledge-sharing support to other team members as needed.

Qualifications & Competencies

• Bachelor's degree and 5 years of related experience, a Master's degree and 3 years of related experience, or 8 years of related experience and no degree.
• Proven track record of independent work product production, project management, communication, and coordination with other team members
• Demonstrated management skills

Knowledge & Skills

• Proficiency in Excel Workbooks required
• Experience in providing reliable work product review as assigned
• Able to communicate effectively (written and verbal) with co-workers and Supervisors, and clients, subcontractors, and vendors as assigned
• Able to provide oversight and direction to assigned staff
• Strong communication and organizational skills
• Strong analytical and problem-solving skills
• Demonstrated self-awareness and flexibility in working with a variety of personalities and work styles (colleagues, clients, Assigned Managing Consultant(s))
• Able to handle multiple priorities and perform consistently and positively under high stress conditions

Additional Information

At Vertex, we invest in top talent with a highly competitive total compensation package that rewards performance and supports long-term success. Total compensation includes a base salary and a discretionary variable bonus program, depending on your level. Our comprehensive benefits package offers multiple healthcare and dental plan options, as well as company-paid Life Insurance, Short-Term Disability, and Long-Term Disability coverage- ensuring peace of mind for you and your family.

We offer a 401(k) plan with immediate matching and full vesting, empowering employees to build financial security from day one. Additional benefits include Flexible Spending Accounts, a robust Employee Assistance Program, and a suite of exclusive perks that enhance everyday life.

At The Vertex Companies, our salary ranges are intentionally designed to support meaningful career growth over time. These ranges allow employees to develop, expand their impact, and increase their earnings as they progress within their job level. A new hire’s starting compensation is determined by their experience, geographical location, scope of the role at the time of hire, and Company affordability. Our ranges are structured to reward growth and performance, ensuring there is room for advancement and long-term opportunity.

The salary ranges for this role are as follows:

$60,000 - $163,000 USD annually (Geographical Tier A - Sample Locations: Irvine CA, Middlesex NJ, Tacoma WA, Boston, Alexandria)

$55,000 - $150,000 USD annually (Geographical Tier B - Sample Locations - Baltimore, Chicago, Anchorage, Portland)

Time away matters- so we provide a generous paid time off program, including vacation, sick time, and paid holidays (with prorated options for eligible part-time employees).

At Vertex, growth never stops. Our signature "Lifetime of Learning" program offers tuition reimbursement and personalized support for employees pursuing advanced education- helping you sharpen your skills and accelerate your career.