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 2026.)

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 transformation initiatives
• Strong grasp of accounting principles, best practices and compliance requirements
• Proficiency in accounting software and ERP systems (NetSuite preferred) and Microsoft Excel
• Excellent communication and stakeholder management skills
• Excellent analytical skills and attention to detail for identifying and addressing financial discrepancies
• Experience with international entities is a plus

About MNTN

Our recruiters will always reach out using an email address ending with @mountain.com OR @mntn.com. If you’re contacted by someone without that address and they mention a Reference Code (which we never use), then that ain’t us folks. Tell those trolls to take a hike–you’re waiting to climb a MNTN.

MNTN provides advertising software for brands to reach their audience across Connected TV, web, and mobile. MNTN Performance TV has redefined what it means to advertise on television, transforming Connected TV into a direct-response, performance marketing channel. Our web retargeting has been leveraged by thousands of top brands for over a decade, driving billions of dollars in revenue.

Our solutions give advertisers total transparency and complete control over their campaigns all with the fastest go-live in the industry. As a result, thousands of top brands have partnered with MNTN, including Tarte, Decked, and National University.

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