Accounts Payable Analyst

Horizon3 AI

1d•$93,500 - $110,000•Remote

About The Position

Horizon3.ai is seeking a detail-oriented and service-minded AP Analyst to support the day-to-day execution of Horizon3’s accounts payable operations and help scale a clean, responsive procure-to-pay process as the company grows. This role is highly operational and focused on invoice processing, vendor communication, expense review, and operational follow-through across the systems and workflows that keep Accounts Payable moving efficiently. The ideal candidate thrives in a fast-moving SaaS and cybersecurity environment, brings strong attention to detail, and is comfortable coordinating across Accounting, Procurement, employees, and external vendors. This role will play an important part in ensuring invoices move efficiently through the correct workflows, employee T&E activity is reviewed consistently, vendors receive timely communication, and AP reporting and close processes remain organized and accurate.

Requirements

2+ years of accounts payable, expense operations, procurement support, or related accounting operations experience, ideally in a high-growth SaaS or technology company
Experience with invoice entry, vendor communication, expense review, and transaction-level follow-up
Experience working in AP, expense, or procurement systems such as Navan, Zip, Airbase, Bill.com, NetSuite, Sage Intacct, or similar tools
High attention to detail and strong organizational skills, with the ability to manage recurring operational tasks accurately and consistently
Strong written and verbal communication skills with the ability to work directly with vendors and employees regarding payment and expense questions
Accounting knowledge, including familiarity with AP aging, accrual support, invoice processing, and expense coding
Ability to work independently with strong ownership, accountability, and follow-through
Bachelor’s degree in Accounting, Finance, Business Administration, or a related field, or equivalent practical experience
2+ years of experience in Accounts Payable, accounting operations, expense operations, or procurement support
Prior experience operating in a SaaS, technology, or cybersecurity environment preferred
Experience supporting AP close activities, invoice processing, or operational accounting workflows
Navan or similar travel and expense management platforms
Procure-to-Pay (P2P) systems such as Zip, Airbase, Bill.com, or related tools
ERP/accounting systems such as NetSuite or Sage Intact
Comfortable handling recurring operational tasks with accuracy and attention to detail
Strong customer-service mindset and communicate professionally with both vendors and internal employees
Proactively follow through on routine issues and help ensure open items are resolved in a timely manner
Dependable, responsive, and comfortable working in a fast-moving, high-volume environment
Comfortable learning new systems, workflows, and operational processes

Responsibilities

Process vendor invoices accurately and timely within AP and procurement systems, ensuring invoices are properly supported, coded, approved, and routed correctly for processing
Review invoice submissions for key details including vendor information, invoice dates, coding, PO linkage, and supporting documentation before processing or escalation
Support AP shared inbox management by routing invoices, identifying missing information, and coordinating follow-up with vendors and internal stakeholders
Respond to vendor inquiries regarding payment status, invoice receipt, remittance updates, and general AP-related questions
Follow up with vendors and employees to obtain corrected invoices, missing receipts, supporting documentation, or updated banking information as needed
Perform daily review of Navan expense activity to ensure transactions are properly supported, coded, and compliant with company policy
Support employees with expense-related questions and follow-up
Support AP aging review, unpaid invoice follow-up, month-end close activities, and accrual support processes
Maintain organized, audit-ready documentation for invoices, approvals, payment communications, vendor records, and expense support
Assist with vendor setup and payment method maintenance, including updates to remittance details and vendor master data
Support process improvements across AP, expense, and procurement workflows to improve efficiency, accuracy, and turnaround times
Demonstrate strong attention to detail, responsiveness, operational accuracy, and customer service in day-to-day AP operations