Manager, Detection & Incident Response

Squarespace is seeking a skilled and detail-oriented technical leader to own the day-to-day operations of our Detection and Incident Response team. Reporting to the VP of Security / CISO, you will be the driving force behind our SIEM and SOAR capabilities and incident response program. You’ll partner with teams throughout Squarespace to improve how we spot and respond to threats, leading the group that identifies and handles security threats as they happen.

• Contribute to define, collect, and analyze security KPIs and KRIs for the security organization.  
• Develop and implement a comprehensive detection and response strategy and roadmap aligned with Squarespace's overall business objectives and risk appetite. This goes beyond just "implementing new security programs" to encompass a holistic vision.
• Oversee the Security Operations Center (SOC) activities, including threat detection, monitoring, analysis, and proactive hunting, ensuring 24/7/365 coverage as appropriate.
• Own the health and effectiveness of the SIEM and SOAR platforms, ensuring high-quality data ingestion, alert tuning, and automated response logic. x
• Establish and maintain a robust incident response program, including defining incident playbooks, leading major incident investigations, and conducting post-incident reviews to drive continuous improvement.
• Design and lead regular tabletop exercises to test the organization’s readiness for various incident scenarios. 
• Serve as the Incident Commander for major security events, coordinating with teams such as Legal, Communications, and HR to ensure clear internal communication and regulatory compliance.
• Identify, evaluate, and implement new security technologies and tools to enhance detection, prevention, and response capabilities.
• Drive continuous improvement of security operations processes through automation, tooling, and best practices.
• Stay abreast of emerging security threats, vulnerabilities, and industry trends and proactively advise leadership on necessary adjustments to strengthen Squarespace's security posture.
• Build, mentor, and lead a high-performing team of security professionals, fostering a culture of continuous learning, collaboration, and accountability. 
• Act as a key liaison and trusted advisor to internal stakeholders (e.g., Engineering, Product, Legal, Compliance, IT) on security-related matters.
• Manage relationships with external security vendors and partners, ensuring effective service delivery and technology adoption.
• Serve as a calm and decisive leader during security events, ensuring the team stays focused while stakeholders remain informed.
• Proactively work with partner teams to implement new security programs and refine existing ones.
• Work collaboratively with partner teams to define implementation patterns that improve security while not negatively affecting Customer or employee engagement.  
• Drive improvements to the team’s operational velocity and response efficiency.

•  Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience).
•  7+ years of experience in cybersecurity, with at least 2 years in a leadership or team-lead role.
• Deep expertise in Incident Response and Detection Engineering.
• Strong knowledge of cloud security operations, specifically within AWS or GCP environments.
• Hands-on experience managing and tuning SIEM and SOAR platforms.
• Experience automating security workflows and incident response playbooks to reduce manual effort.
• Familiarity with security frameworks such as MITRE ATT&CK and NIST.
• Excellent communication skills with the ability to lead technical teams during high-pressure incidents and explain complex threats to non-technical stakeholders.
• Knowledge of software development, design and technical operations.

• Health insurance with 100% covered premiums for you, your spouse or partner and your dependent children including medical, dental, and vision
• Life and Income Protection
• Fertility and adoption benefits
• Headspace mindfulness app subscription
• Global Employee Assistance Program
• Pension benefits with employer match
• Flexible paid time off
• 26 weeks paid maternity leave & 12 weeks paid paternity leave
• 2 weeks paid family care leave
• Education reimbursement
• Employee donation match to community organizations
• 7 Global Employee Resource Groups (ERGs)
• Free lunch and snacks
• Close proximity to cultural landmarks such as Dublin Castle and St. Patrick's Cathedral

Squarespace is a design-driven platform helping entrepreneurs build brands and businesses online. We empower millions of customers in more than 200 countries and territories with all the tools they need to create an online presence, build an audience, monetize, and scale their business. Our suite of products range from websites, domains, ecommerce, and marketing tools, as well as tools for scheduling with Acuity and creating and managing social media presence with Bio Sites and Unfold. Our team of more than 1,700 is headquartered in New York City, with offices in Dublin, Ireland, and Aveiro, Portugal. For more information about our company, visit https://www.squarespace.com/about/careers.

Today, more than a million people around the globe use Squarespace to share different perspectives and experiences with the world. Not only do we embrace and celebrate the diversity of our customer base, but we also strive for the same in our employees. At Squarespace, we are committed to equal employment opportunity regardless of race, color, ethnicity, ancestry, religion, national origin, gender, sex, gender identity or expression, sexual orientation, age, citizenship, marital or parental status, disability, veteran status, or other class protected by applicable law. We are proud to be an equal opportunity workplace.

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