Job Overview
Location
Amsterdam, Netherlands
Job Type
Full-time
Category
Sales
Date Posted
May 6, 2026
Full Job Description
đź“‹ Description
- • As a Senior Sales Development Representative at Horizon3.ai, you will play a critical role in expanding the company’s customer base across EMEA by identifying and securing new sales opportunities through proactive outreach and lead qualification.
- • Your day-to-day responsibilities will include initiating outbound cold calls, crafting compelling emails, leveraging social media and prospecting tools like LinkedIn Sales Navigator and Seamless.ai, following up on inbound leads, managing sales calendars, and collaborating with cross-functional teams to ensure smooth handoffs to sales.
- • Horizon3.ai is a fast-growing, fully remote cybersecurity company founded by U.S. Special Operations veterans and industry experts, dedicated to helping organizations proactively find and fix security vulnerabilities through its NodeZeroTM platform, which serves clients ranging from educational institutions to Global 100 enterprises.
- • In this role, you will develop expertise in cybersecurity sales, refine your outreach and qualification techniques, contribute to sales process innovation, and grow your career within a supportive, results-driven team that values ownership, collaboration, and continuous learning.
🎯 Requirements
- • At least 1 year of experience in a Sales Development role
- • At least 6 months of experience in information security, cybersecurity, or SaaS
- • University degree or equivalent work experience
- • Experience with sales tools such as Outreach.io, Zoominfo, and Salesforce CRM
- • Fluency in English plus proficiency in Spanish and Italian, or German
🏖️ Benefits
- • Competitive salary, equity, and benefits including health, vision, and dental insurance for employees and their families
- • Flexible vacation policy and generous parental leave
- • Opportunities for career growth and development within a rapidly expanding team
- • Inclusive and innovative culture that values diversity, collaboration, and out-of-the-box thinking
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
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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