• Partner with leadership on headcount planning, organizational design, role clarity, and scaling strategy aligned with company goals. • Build scalable recruiting processes, interview frameworks, onboarding programs, and hiring manager enablement to support rapid growth with high quality. • Design performance management, feedback cycles, goal-setting frameworks, and career progression systems that drive accountability and growth. • Own compensation philosophy, leveling frameworks, equity programs, benchmarking, and benefits strategy to attract and retain top talent. • Coach and support managers on hiring, feedback, performance management, employee development, and difficult conversations. • Own HR operations including payroll, benefits administration, employment compliance, policies, documentation, and HR tooling. • Design and continuously improve onboarding, engagement, retention, and employee communications across a remote-first workforce. • Help articulate and reinforce company values, operating norms, and leadership behaviors as Astra scales. • Build people analytics and dashboards to inform leadership decisions on retention, performance, hiring velocity, and organizational health. • Partner with legal and finance on employment risk, policy compliance, investigations, and sensitive employee matters.