About the Job
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessmen...
We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, "checkbox” sec...
Horizon3 is building a world-class outbound motion, and we’re looking for a Manager of Sales Development to help lead, coach, and scale our SDR organization. This role will be one of several frontline SDR leaders, each responsible for managing a pod of 7–10 SDRs, while operating as part of a broader, globally distri...
Key Responsibilities
As an SDR Manager, you’ll collaborate closely with peer managers across regions to drive consistency in execution, share best practices, and collectively deliver pipeline impact. This role is ideal for a hands-on leader who loves developing talent, driving results, and operating with rigor in a fast-growing cybersecurity company
Lead and develop the SDR team: Build, motivate, and manage a high-performing Sales Development Representative (SDR) team to consistently generate high-quality sales pipeline from target accounts.
Develop high-impact sales skills: Coach SDRs on cold calling, objection handling, qualification, and multi-channel outreach to develop them into top sellers.
Optimize SDR operations: Partner with RevOps, Enablement, and other cross-functional teams to continuously improve tools, processes, and playbooks for efficiency, consistency, and scalability.
Cultivate a strong team culture: Celebrate success, learn from mistakes, ensure psychological safety, and use healthy competition and games to maintain high energy and performance.
Drive performance and process: Own the SDR sales funnel end-to-end. Analyze data to forecast pipeline, refine strategies, and ensure accountability to targets and SLAs.
Hire and onboard top talent: Recruit, onboard, and ramp new SDRs with clear expectations and structured training to ensure rapid productivity.
Maintain a culture of excellence: Champion ownership, continuous improvement, and process discipline (including CRM hygiene and SLAs), while continually refining tools and playbooks.
Provide market intelligence: Translate daily SDR conversations into actionable insights (objections, use cases, competitive intel) that inform GTM strategy, campaigns, and sales plays.
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. Duties, responsibilities, and activities may change at any time with or without notice.
In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Required Skills & Abilities
2+ years of SDR management experience, ideally in a high-growth SaaS or cybersecurity environment, scaling and coaching high performing teams.
Experience in cybersecurity, SaaS, or other technical B2B environments.
Strong analytical skills with the ability to turn data into action.
Strong knowledge and practical application of modern sales methodologies (MEDDIC, Challenger, SPIN, etc.)
Hands-on experience with Salesforce and Sales Engagement Platforms (Outreach, Salesloft, Apollo, etc.)
Experience leveraging AI to drive productivity, insights, and coaching
Excellent communication, analysis and cross-functional collaboration skills.
Ability to manage multiple priorities in a fast-paced environment.
Must be located in the Amsterdam area.
Communication skills - Business level German and fluency in English.
This job may require up to 15% travel to be successful.
