Staff Accountant II

Horizon3 AI

3d•$114,750 - $121,500•Remote

About The Position

Horizon3.ai is seeking a strategic and detail-oriented Procurement Manager to lead and mature its procurement operations. This role is part of the Accounting organization and acts as a liaison between technical stakeholders, operational teams, and Finance. The ideal candidate will manage the Procure-to-Pay (P2P) ecosystem, collaborating with various departments to ensure procurement requests are complete, justified, commercially sound, compliant, and efficient. This position involves strategic sourcing, operational execution, process ownership, vendor coordination, and financial partnership, requiring the ability to thrive in high-growth environments, exercise strong judgment, and continuously improve procurement controls and workflows while supporting business velocity.

Requirements

Experience managing procurement, sourcing, or Procure-to-Pay operations within a high-growth SaaS, cybersecurity, or technology environment
Strong understanding of procurement operations, vendor onboarding, purchasing controls, and cross-functional approval workflows
Experience negotiating enterprise software agreements, cloud infrastructure contracts, and vendor commercial terms
Working knowledge of procurement compliance, audit readiness, and SOX-oriented operational controls
Bachelor’s degree in Supply Chain Management, Finance, Accounting, Business, or a related field, or equivalent practical experience
5+ years of experience in procurement, strategic sourcing, vendor management, or Procure-to-Pay operations
Prior experience operating within a high-growth SaaS, cybersecurity, or technology organization
Strong understanding of the "Accounting side" of procurement—accruals, GL coding, and the impact of contracts on the balance sheet.
Procure-to-Pay (P2P) platforms such as Zip, Coupa, Airbase, or Tipalti
ERP/accounting systems such as NetSuite or Sage Intacct
Contract management and signature tools such as DocuSign

Nice To Haves

Thrive in fast-moving environments and can manage a high volume of requests without sacrificing responsiveness or quality
Know how to balance operational rigor with business velocity and stakeholder experience
Communicate effectively across technical, operational, finance, legal, and vendor stakeholders
Highly organized and proactive, with strong follow-through on procurement and operational tasks
Comfortable working across ambiguity and helping improve processes as the company scales
Strong operational mindset and naturally look for ways to improve workflow efficiency and process consistency
Exposure to AI-enabled workflow improvement, OCR-based intake automation, or procurement analytics/reporting is a plus

Responsibilities

Design, implement, and oversee the end-to-end Procure-to-Pay (P2P) lifecycle, including procurement intake, purchase requisitions, PO issuance, vendor onboarding, invoice coordination, and procurement operations
Serve as the operational owner of procurement workflows and systems, including guided procurement tooling and intake processes
Review incoming purchase requests for completeness, business justification, coding accuracy, pricing support, department ownership, and appropriate payment methods before approval routing
Coordinate procurement requests across FP&A, Legal, Security, IT, Engineering, Accounts Payable, and business stakeholders to ensure timely progression and resolution
Monitor procurement SLAs, request aging, and operational bottlenecks to improve procurement speed, scalability, and reliability
Identify opportunities to improve procurement operations through automation, AI-enabled workflows, document capture, operational reporting, and process optimization
Establish and enforce company-wide procurement and spend policies to reduce non-compliant purchasing activity and strengthen budget accountability
Ensure procurement activities align with SOX-readiness objectives and maintain organized documentation to support audit and IPO readiness requirements
Work closely with FP&A to track actual spend against department budgets, providing variance analysis and forecasting insights
Perform ongoing review of open purchase orders and procurement requests to determine whether they are still valid, whether goods or services have been received, and whether invoices are still outstanding, and if so, follow up with requesters and vendors to obtain invoices
Review POs for closure opportunities, including partially used POs that no longer need to remain open, and close requests once remaining obligations are resolved.
Help drive compliant remediation paths when spend is initiated outside the normal procurement flow, including ushering through an after-the-fact PO request where necessary.
Lead monthly open-PO reviews to assess remaining commitments and determine the appropriate PO accruals to support month-end close