Momentum is a respected collection of independent companies, including PMG, Koddi, Further. We serve as a premier global business transformation partner for over 125 of the Fortune 500 brands. With 1,400 global employees and $5B in media spend under management, we foster a fast-growing, values-driven, people-first environment where you can thrive.
Our portfolio of companies partners with some of the world’s most iconic and ambitious brands. We combine scalability with a solutions-oriented approach to deliver fast-paced, innovative results for our customers while creating meaningful growth opportunities for our teams.
If you are looking for opportunities to grow in your career and are passionate about being at the forefront of data and technology, and driving rapid innovation in the future of commerce, we would love to talk with you about joining Momentum.
We believe that a culture of belonging, inclusion, and diversity is key to empowering our team members to thrive both personally and professionally. Living out our values is not just a goal; it’s a daily practice! For more information, please visit www.momentum.com.

WHAT WE ARE LOOKING FOR

We are looking for a collaborative, detail-oriented Senior Accountant to join our growing Accounting team. This role will support our continued business expansion and be responsible for executing core accounting tasks, driving process improvements, and contributing to system implementations. This individual will work cross-functionally across the business and serve as a partner to Finance, Legal, Client Services, and Operations.
This is an excellent opportunity for someone with a strong accounting foundation, an interest in systems and automation, and a proactive mindset to help scale our accounting infrastructure.

WHO YOU ARE

• Highly detail-oriented with excellent organizational skills and follow-through
• Analytical thinker who is energized by process improvements and automation
• Comfortable working cross-functionally and building relationships across departments
• Strong communicator with the ability to explain technical concepts to non-finance audiences
• Self-starter with the ability to manage multiple priorities and work independently in a fast-paced, evolving environment
• Curious, adaptable, and always looking for ways to improve how things are done

TECHNICAL SKILLS & TOOLS

• Advanced Excel skills (e.g., pivot tables, index match, x lookup, data validation)
• Experience with tools like Power BI or Qualtrics is a big plus
• Familiarity with Python or scripting for automation/reporting is highly valued

• Execute monthly close processes, including journal entries, invoicing, account reconciliations, and variance analysis
• Prepare supporting schedules for financial reporting and audit readiness
• Perform detailed review of revenue and cost transactions for accuracy and completeness
• Partner with Client Services to ensure accurate, timely billing and revenue recognition
• Work with Business Operations and external vendors to ensure completeness of financial inputs
• Help evaluate and implement new tools and technologies that improve accuracy and efficiency
• Contribute to ERP and system optimization projects
• Support ongoing development of accounting policies and standard operating procedures
• Assist with evaluating the reporting impact of new accounting standards
• Participate in special projects, including system implementations and scaling initiatives
• Identify gaps in current workflows and recommend scalable improvements
• Maintain a high standard of confidentiality and internal controls
• Ensure compliance with U.S. GAAP and Momentum’s internal accounting policies
• Contribute to audit preparations and external reporting requests