Senior Manager, Security Operations

Position Overview

Calendly is seeking a highly technical and strategic Senior Manager of Security Operations to lead, mature, and scale its Security Operations function. This role involves a hands-on approach to shaping detection and response, managing MSSP relationships, guiding investigations, and driving technical initiatives to reduce risk across Calendly.

About the Team and Opportunity

Calendly is a rapidly growing company transforming how people schedule meetings. Our Security team is committed to fostering a strong security and engineering culture, attracting self-starters who thrive in dynamic, innovative environments. This is a unique opportunity to be part of a fast-growing, high-impact company.

Why Join Calendly’s Security Team?

• Be part of a fast-growing, high-impact company.
• Contribute to transforming how people schedule meetings.
• Work in a dynamic, innovative environment with a strong security and engineering culture.
• Explore uncharted territory if you are passionate about security.

A Day in the Life of a Senior Manager, Security Operations at 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.

What We’re Looking For

• Experience:
  • 7+ years of experience in cybersecurity.
  • 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.
  • Experience managing MSSPs or third-party detection services.
  • Familiarity with scripting (Python, etc.), SOAR tools, and automation workflows.
• Skills:
  • Strong collaboration skills; ability to influence cross-functional teams.
  • Clear communicator with ability to engage technical and non-technical stakeholders.
  • Comfortable operating in a high-growth, fast-paced, remote-first environment.
• Authorization: Must be authorized to work in the United States, as Calendly does not provide immigration sponsorship at this time.

Bonus Points For

• Experience in a SaaS or cloud-native environment.
• Exposure to security standards like SOC 2, ISO 27001, or FedRAMP.
• Background in red/blue team collaboration or threat hunting.

What’s in it for you

• Make a serious impact on a product used by millions.
• Accelerate your career growth.
• Learn, grow, and do the best work of your life alongside talented colleagues.

Application Instructions

• [Details to be provided by the applicant]

Company Information

• Company: Calendly
• Mission: Calendly takes the work out of scheduling, giving customers more time to focus on what truly matters.
• Culture: Fostering a strong security and engineering culture that attracts self-starters who thrive in dynamic, innovative environments.
• Work Environment: Remote-first.

Salary

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Location Type

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Employment Type

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