About Re:Build Manufacturing Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America’s next generation industrial company. At Re:Build we deploy deep expertise in engineering, operations management, and technology to supercharge the performance of our member companies. We leverage deep professional expertise and a candid, principled operating culture to drive differentiated outcomes. Ours is a fast-paced environment where individuals can stretch and be challenged to pursue their fullest potential. Re:Build was founded to pioneer a profitable model for the revitalization of US manufacturing. We’ve assembled a powerful set of complimentary capabilities and lines of business that enable us to pursue a wide range of end markets. Our acquired businesses are grounded in build-to-print and by-the-hour engineering and design services, and we’re leveraging their combined expertise to migrate to increasingly sophisticated program development and production, as well as the generation of our own products. Our unique set of capabilities lend themselves to highly complex systems and products, and we offer customers a range of services including product and systems design, automation, fabrication, assembly, and large volume contract manufacturing. Our customers span a wide array of industries including aerospace, defense, mobility, healthcare, pharma, biotech, clean tech, chemicals, energy, lifestyle, food production, and industrial equipment.   Who we are looking for You will plays a key role within corporate HR, managing enterprise payroll operations, HRIS administration, and supporting RBM through a substantial payroll system deployment, migration, and ongoing system care. This position delivers accurate, compliant, and timely payroll for more than 1,200 employees across several states while maintaining the system backbone essential to all HR services. As a key contributor to payroll administration and governance, this role creates and updates the frameworks, policies, and systems that enable business growth. It ensures regulatory compliance and supports initiatives involving organizational growth, regulatory updates, structural changes, and acquisitions. This operational role serves as an expert resource who guarantees consistency, accuracy, and compliance across locations. It provides mentorship to improve workflows and address problems. The HRIS & Payroll Systems Manager works closely with Finance, Legal, IT, and HR to keep payroll and HRIS systems reliable and aligned with business needs. This role trains and supports site-level HR teams to improve organizational readiness, encourage consistent compliance, and maintain the infrastructure needed for RBM’s growth and smooth operations. Payroll Oversight & Quality Assurance Provide oversight and quality assurance for payroll processing completed by site-level HR teams Act as the point of contact for complicated payroll problems and bring partner concerns to HR leadership when necessary Track payroll processes at various sites and detect tendencies or problems Conduct root‑cause analysis on payroll errors and recommend corrective actions Ensure standardization of payroll practices while allowing necessary site-level variations Lead cross‑site troubleshooting for payroll and timekeeping systems Payroll / HRIS System Implementation & Ongoing Administration During Implementation Phase Act as the payroll and HRIS authority for the ADP system implementation and migration Partner closely with the IT Project Manager and system vendor on planning, timelines, and readiness Support cutover planning and launch coordination across all sites and pay groups Manage dual-system administration during migration Coordinate integrations between payroll/HRIS and enterprise systems (ERP, accounting, talent systems, DIG) Provide requirements for data mapping, cleansing, validation, and testing Lead payroll-specific testing including unit, integration, UAT, and parallel testing Develop new payroll SOPs, policies, and controls for approval Support change management and communications to payroll collaborators and site HR teams Ensure payroll accuracy and compliance throughout the transition Lead stabilization efforts and document lessons learned for future improvement Post‑Implementation (Ongoing) Serve as the primary administrator for the new payroll platform Manage system maintenance, upgrades, and feature improvements Monitor system performance and advance vendor performance issues Maintain configuration settings, security, and user access Coordinate testing for updates and patches Ensure accuracy of integrations (payroll, HRIS, timekeeping, ATS, compensation) Offer continuous assistance and training to site HR teams Maintain logs of system changes and site-specific one-offs Payroll Accuracy & Complex Processing Ensure accurate LOA, PTO, and FMLA p