Seeking a highly skilled Senior UKG ProWFM Integration Engineer for a high-impact, long-term engagement with a premier client in the Washington, D.C. area. In this critical technical role, you will serve as the primary architect and support lead for the complex data ecosystem connecting UKG Pro Workforce Management (ProWFM) with SAP HR, Payroll, and Finance modules. You will be responsible for the end-to-end lifecycle of integrations—from initial design and Dell Boomi development to rigorous SAP finance posting validation—ensuring that time, attendance, and pay rules flow seamlessly across enterprise systems for a large, unionized workforce.