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Fullsteam is a leading provider of vertical software and embedded payments technology dedicated to helping businesses flourish by providing their customers with seamless experiences. With a dynamic and growing team of over 1,900 employees, we are committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries. Our purpose is to help our customers grow their businesses and delight their customers. Join us and be a part of a forward-thinking company that values growth, excellence, and the success of our clients.

The Sr Director & Head of Integrations is a senior leadership role responsible for leading the post-acquisition onboarding of newly acquired software businesses into Fullsteam’s shared services ecosystem. Operating at the intersection of M&A, operations, and value creation, this role combines strategic program management with hands-on execution to ensure each portfolio company achieves critical integration milestones, accelerating time to monetization, mitigating risk, and maintaining business momentum.

In this role, you will own the Day-0 through Day-180 integration playbook, manage multiple acquisitions in parallel, interface with a cross-functional integration team, and serve as the primary executive interface between acquired company leadership and corporate functions.

Primary Responsibilities:

• Integration Leadership & Execution
  • Lead all post-acquisition integration activities (Day 0–Day 180) for multiple acquisitions annually.
  • Own and continuously enhance the standardized integration playbook, ensuring consistent execution while tailoring approach to each acquired company’s operating model.
  • Accelerate realization of revenue synergies, including payments monetization, pricing optimization, cross-sell strategies, and platform efficiencies.
  • Ensure integration plans protect business continuity, customer experience, and employee engagement.
• Cross-Functional Coordination
  • Coordinate integration efforts across corporate functions including Finance, HR, IT, Product, Payments, Legal, and Security.
  • Establish and manage governance structures for decision-making, status reviews, risk escalation, and cross-team alignment.
  • Partner with business unit leaders to ensure operational continuity and protect customer relationships during integration.
• Change Management & Communication
  • Serve as the executive-level point of contact for acquired leadership during integration.
  • Develop clear and effective communication strategies for internal teams and acquired employees.
  • Drive change management initiatives that support adoption, reduce resistance, and maintain organizational trust and clarity.
• KPI Ownership & Reporting
  • Define, track, and report integration KPIs to executive leadership and PE sponsors, including:
    • Time-to-revenue realization
    • Payments activation and adoption
    • Integration milestone completion rate
    • Customer retention and satisfaction metrics
  • Provide executive-level reporting to Fullsteam leadership and PE sponsors, including progress updates, risk assessments, and mitigation plans.
• Team Leadership & Development
  • Build, lead, and develop a high-performing integration team, including Senior Integration Managers and project support roles.
  • Manage matrixed teams across functions, driving accountability and high-quality execution without direct reporting lines.
  • Promote a culture of operational excellence, continuous improvement, and results-driven delivery.

Minimum Qualifications:

• 10+ years of experience in M&A integration, program management, or corporate development, ideally within SaaS or payments businesses.
• Proven success leading acquired company integrations with multiple acquisitions per year.
• Strong understanding of SaaS operating models, payments integration, and value creation levers.
• Ability to lead through influence in a highly matrixed, cross-functional environment.
• Exceptional communication, executive presence, stakeholder management, and change leadership skills.
• Demonstrated ability to design, track, and report KPI-driven integration performance.

Fullsteam supports an inclusive workplace that values diversity of thought, experience, and background. Fullsteam is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ancestry, age, physical or mental disability, sex, sexual orientation, gender identity/expression, pregnancy, veteran status, marital status, creed, status with regard to public assistance, genetic status or any other status protected by federal, state, or local law.