Job Overview
Location
Amsterdam, Netherlands
Job Type
Full-time
Category
Sales
Date Posted
June 16, 2026
Full Job Description
đź“‹ Description
- • As a Senior Sales Development Representative for Horizon3.ai in the UKI region, you will play a critical role in expanding the company’s customer base by identifying and securing new sales opportunities in the fast-growing cybersecurity market. Your work directly supports the mission of helping organizations proactively defend against cyber threats through the NodeZeroTM platform.
- • Day to day, you will initiate outbound cold calls, craft personalized emails, leverage LinkedIn Sales Navigator and Seamless.ai for prospect research, follow up on inbound leads, manage sales calendars, coordinate handoffs with account executives, and collaborate with Product, Engineering, and Legal teams to refine sales strategies and stay current on product knowledge.
- • Horizon3.ai is a remote-first, fast-growing cybersecurity company founded by U.S. Special Operations veterans and industry experts, dedicated to eliminating security blind spots and reducing reliance on external consultants through autonomous penetration testing technology adopted by Global 100 enterprises and government agencies.
- • In this role, you will develop advanced prospecting techniques, gain deep exposure to enterprise cybersecurity sales cycles, sharpen your communication and CRM skills, and position yourself for career growth into senior sales or sales leadership roles within a high-impact, mission-driven organization.
🎯 Requirements
- • At least 1 year of experience in a Sales Development role
- • Minimum 6 months of experience in information security, cybersecurity, or SaaS
- • Fluency in English plus one additional European language
- • Experience with sales tools such as Outreach.io, Zoominfo, and Salesforce CRM
- • University degree or equivalent work experience
🏖️ Benefits
- • Competitive OTE salary range of EUR 70,000–85,000 with 60/40 split
- • Eligibility for pre-IPO stock options
- • Health, vision, and dental insurance for employee and family
- • Flexible vacation policy and generous parental leave
- • Inclusive, collaborative culture with growth and innovation opportunities
Skills & Technologies
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About Horizon3.ai, Inc.
Horizon3.ai provides autonomous security testing and attack surface management software. Its NodeZero platform continuously assesses enterprise networks, clouds, and applications to find exploitable weaknesses, validate fixes, and prioritize risks. The company serves Fortune 500, government, and mid-market organizations seeking proactive defense without manual red teams.
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