The Demand Generation & Marketing Operations Specialist plays a critical role in driving qualified leads and optimizing our marketing technology stack through multi-channel campaign execution, agency coordination, and marketing operations excellence. This role blends hands-on campaign management with strategic vendor relationships to ensure flawless execution of lead generation initiatives across all channels. You'll manage our HubSpot implementation, coordinate with specialized agencies, and execute data-driven campaigns while supporting broader marketing operations—from email automation to website optimization. This is a hands-on, results-oriented role ideal for someone who thrives in fast-paced startup environments, enjoys both technical execution and strategic thinking, and is excited to help scale Harbinger's growth engine.