Head of People & Talent

RadixArk is an infrastructure-first company focused on democratizing frontier-level AI infrastructure. They are seeking a Head of People & Talent to build their People and Recruiting function from scratch, overseeing the full recruiting lifecycle and establishing HR operations, compensation, benefits, and people analytics as the company scales.

Responsibilities:

• Full-cycle recruiting for engineering, research, and AI roles — from sourcing and outreach to offer and close
• Sourcing strategy — proactively building pipelines through LinkedIn, referrals, university networks, and creative outreach
• Candidate experience — managing communication and keeping candidates warm and engaged throughout the process
• Recruiting ops — owning our ATS, tracking pipelines, and reporting on hiring metrics
• Own end-to-end interview scheduling across all open roles — coordinating across candidates, interviewers, and time zones with speed and precision
• Prepare and manage interview materials, scorecards, and debrief logistics so every loop runs smoothly
• Build and maintain recruiting presentations and materials for candidate pitches, hiring manager kick-offs, and leadership reporting
• Track coordination workflows and flag bottlenecks to keep hiring velocity high
• HR operations — onboarding, offboarding, maintaining employee records, and building lightweight but scalable HR processes
• Compensation & offers — designing our comp philosophy, building salary bands, and owning the offer process end to end
• Benefits — selecting and managing our benefits programs and vendors as we scale
• People analytics — building the reporting and dashboards that give leadership visibility into headcount, hiring velocity, and workforce trends
• Coordinating with legal on immigration, compliance, and employment matters (H-1B, O-1, etc.)