Cash Management and Accounts Payable Manager

At MNTN, we put our people first, full stop. This allows our company culture to be defined by our team members and their shared values, like trust, ambition, quality, radical honesty, and compassionate leadership. It’s why we all really love working for the Hardest Working Software in Television™ (and also why we were named one of Ad Age’s Best Places To Work in 2025.)

We pride ourselves on bringing unrivaled performance and simplicity to Connected TV advertising. Our self-serve technology makes running TV ads as easy as search and social, helping brands drive measurable conversions, revenue, site visits, and more. It’s what led MNTN to being named one of Fast Company's Most Innovative Companies in 2023. You can learn more about us and everything we do by visiting https://mountain.com/ .

We’re committed to innovation that empowers, not replaces. At MNTN, AI is a tool for growth, enhancing efficiency while keeping a people-first approach. Our goal is to streamline workflows and drive new solutions—without compromising the human element that makes our company great.

So if wanting to do more, own more, and make a bigger impact comes naturally to you, then you may be the person we're looking for to join us in our next stage of growth.

We are looking for an experienced and detail-oriented Cash Management and Accounts Payable Manager to join our Accounting team. This team member will be responsible for overall cash management, including cash forecasting, working directly with the Accounts Receivable Manager, and managing the entire accounts payables process and team, working closely with Vendor Operations, with accompanying general ledger accounting responsibilities, maintaining strong internal controls, and serving as the primary administrator and subject matter expert for the Coupa procure-to-pay (P2P) system. A successful candidate will ensure strict compliance with institutional and regulatory standards and will be well organized and comfortable dealing with all aspects of cash. Excellent people skills and the ability to be detailed oriented, while also being able to operate at a high level will be critical.

What you’ll do

Responsible for cash management:

Accurate and timely forecasting, budgeting and monitoring of cash flow, both short-term and long-term, to ensure company has enough liquidity to meet its financial obligations, leveraging partnership with the FP A team

Ensure timely posting of cash transactions

Managing the company’s bank accounts

Assistance with bank compliance reporting

Key stakeholder in banking relationships

Responsible for procurement and payable processes:

Lead and oversee the end-to-end accounts payable function, ensuring timely and accurate invoice and payment processing, including review and approval of invoices and vendors

Ensure timely and accurate employee expense and corporate credit card reporting and processing

Manage AP communications, both internal and external

Partner with Vendor Operations and AP team to ensure proper organization of vendors and contracts and supplier onboarding through Coupa

Establish and maintain strong internal controls and compliance with accounting policies and procedures as it relates to cash and payables

Streamline and optimize the procure-to-pay process, including identification, design and implementation of necessary process and system changes, to improve efficiency, platform utilization, and accuracy

Supervise and mentor the accounts payable team (currently one direct report), including training, mentoring, performance management, and hiring where necessary

Reconciliation of AP, accrued liabilities, prepaid expenses, and related expense accounts and management of related aging reports, etc.

Oversee period close activities and processes as it relates to cash and payables, ensuring accurate financial records including necessary accruals

Assist the team with fluctuation analyses for relevant accounts as part of month-end close

Ensure compliance with requisite regulatory filings, including 1099 reporting, city and state filings, etc.

Responsible for Coupa Administration:

Serve as the primary Coupa system administrator and internal subject matter expert

Configure and maintain Coupa workflows, approval chains, user roles, permissions, suppliers, and system settings

Manage system enhancements, testing, upgrades, and integrations with ERP (NetSuite) and other systems

Troubleshoot user issues and provide training and support to employees and stakeholders as necessary

Support various audits, including financial statement and controls audits, as necessary

What you’ll bring

At least 7 years of progressive experience in AP and cash management, including 3 years in a leadership role

Hands-on experience using Coupa, including direct experience serving as a Coupa Administrator

Experience managing cash flow, banking relationships, and payment operations

Experience leading system implementations, upgrades, or process transformati…