Senior Manager of Security Operations, Calendly

• If you’re passionate about security and excited to explore uncharted territory, this is the place for you
• 7+ years of experience in cybersecurity, with at least 4 years in security operations and incident response
• Proven leadership experience managing security engineers and/or SOC teams
• Deep technical expertise in SIEM, EDR, cloud security, and detection engineering
• Experience driving and owning investigations end-to-end
• Strong collaboration skills; ability to influence cross-functional teams
• Experience managing MSSPs or third-party detection services
• Familiarity with scripting (Python, etc.), SOAR tools, and automation workflows
• Clear communicator with ability to engage technical and non-technical stakeholders
• Comfortable operating in a high-growth, fast-paced, remote-first environment
• Must be authorized to work in the United States, as Calendly does not provide immigration sponsorship at this time

Desirable

• We are seeking a highly technical and strategic Senior Manager of Security Operations to lead, mature, and scale our Security Operations function
• This leader will play a hands-on role in shaping detection and response, managing MSSP relationships, guiding investigations, and driving technical initiatives to reduce risk across Calendly
• Lead and grow a team of security operations engineers responsible for detection engineering, incident response, threat intelligence, and monitoring
• Guide the creation, tuning, and continuous improvement of detections across SIEM, EDR, and cloud platforms
• Be hands-on where needed in investigations and response activities, especially in high-severity or high-visibility cases
• Partner with Product Security, IT, and Engineering teams to improve visibility and drive remediation across infrastructure, applications, and endpoints
• Own the MSSP relationship: define SLAs, track performance, and ensure accountability for high-quality detection and response support
• Develop incident response processes, lead tabletop exercises, and own post-incident reviews
• Work closely with the CISO to shape and track quarterly priorities, KPIs, and board-facing metrics
• Represent Security Operations in engineering discussions and technical architecture reviews
• Stay on top of the evolving threat landscape and bring in modern detection strategies aligned to Calendly's risk profile