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AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a Senior Human Resources Business Partner to serve as a strategic advisor and benefits administrator. This role is responsible for aligning HR strategies with business objectives, driving organizational effectiveness, supporting employee engagement and retention, and ensuring compliance with employment laws and company policies. The ideal candidate will bring deep expertise in benefits administration, employee relations, compliance, and HR program execution. This individual must be comfortable operating both strategically and tactically within a fast-paced, evolving environment while providing exceptional support to leaders and employees. Key Responsibilities: Lead and administer benefits programs, including employee enrollment, education, open enrollment activities, vendor coordination, employee inquiries, and issue resolution. Promote employee understanding and utilization of company benefit offerings in collaboration with leadership. Oversee leave administration, including FMLA, ADA accommodations, workers' compensation, and other employee leave programs. Partner with leadership to align HR strategies with business objectives, workforce planning, and organizational growth initiatives. Serve as a trusted advisor to managers and employees on employee relations, performance management, talent development, and organizational effectiveness. Lead core HR programs, including compensation reviews, performance management, employee engagement, recognition, and retention initiatives. Analyze HR metrics and workforce trends to identify opportunities and support business decision-making. Conduct workplace investigations and manage complex employee relations matters, providing recommendations and resolution strategies. Support disciplinary actions, corrective actions, and terminations while ensuring consistency and compliance. Ensure compliance with federal, state, and local employment laws, regulations, and company policies. Review, develop, and maintain HR policies, procedures, and best practices. Oversee employee lifecycle activities, including onboarding, offboarding, transfers, promotions, and organizational changes. Maintain accurate employee records and ensure HR data integrity within HR systems. Support talent management, succession planning, leadership development, and workforce planning initiatives. Track and ensure completion of required compliance, safety, and professional development training. Partner with Talent Acquisition to support hiring, interviewing, and onboarding activities as needed. Coordinate background checks, employment verification, and employee documentation processes. Lead HR projects and process improvement initiatives to enhance operational efficiency and employee experience. Perform other duties as assigned. Qualifications Education: Bachelor's degree in Human Resources, Business Administration, or a related field required. Experience: A minimum of 7–10 years of progressive Human Resources experience, including experience serving as an HR Business Partner. Preferred Qualifications: Extensive experience with benefits administration, employee leave programs, and vendor management. Experience supporting technical, engineering, manufacturing, aerospace, or similar operational environments. Experience working within high-growth or rapidly evolving organizations. Strong understanding of compensation practices, workforce planning, and org