Senior Security Engineer, Threat Response

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you're a close but not exact match with the description, we hope you'll still consider applying. Want to learn more about life at Klaviyo? Visit careers.klaviyo.com to see how we empower creators to own their own destiny.
Klaviyo is looking for a Senior Security Engineer to add to our growing Detection & Response Team. This is a hands-on role that involves responding to cyber threats and incidents, performing digital forensics and investigations, and automating threat response workflows. As a member of the team, you will have the opportunity to work on complex large-scale security challenges and collaborate with engineers across the enterprise to improve security posture of Klaviyo's Corporate, Cloud and Product environments.
What you'll be doing:

• Respond to alerts, cyber threats, and incidents
• Lead end-to-end incident response investigations
• Serve as the incident commander during security incidents
• Perform host and network based log analysis in a cloud first environment
• Develop and codify threat response processes and workflows
• Perform digital forensic investigations to include collection and analysis of evidence
• Build security tools to automate threat response tasks
• Develop detailed post incident and investigation reports
• Solution complex challenges and work on projects centered around security operations
• Collaborate with detection engineers to build and tune detections
• Conduct threat hunts across corporate, cloud and product environments
• Work with engineering stakeholders to improve security posture post investigations
• Coach and mentor junior team members within the detection & response team

We'd love to hear from you if you have:

• 6+ years of hands-on security operations experience in the modern cloud environments
• Experience in triaging and responding to cyber threats, alerts, and incidents
• Experience leading security incidents as primary responder or incident commander
• Experience in log analysis, incident response and/or digital forensics
• Experience with SIEM and centralized data lake logging (e.g., Splunk, Snowflake)
• Experience with automating SecOps workflows
• Experience securing cloud environments such as AWS, GCP, and/or Azure
• Proficient in programming languages to automate/build features (e.g., Python, Go)
• Understand techniques, tools and procedures used by threat actors
• Strong fundamentals of linux and macOS
• Automation-first approach for all work performed
• Strong oral and written communication skills
• Team player with a strong self-managing work ethic

Massachusetts Applicants:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
The pay range for this role is listed below. Sales roles are also eligible for variable compensation and hourly non-exempt roles are eligible for overtime in accordance with applicable law. This role is eligible for benefits, including: medical, dental and vision coverage, health savings accounts, flexible spending accounts, 401(k), flexible paid time off and company-paid holidays and a culture of learning that includes a learning allowance and access to a professional coaching service for all employees.
Base Pay Range For US Locations:
$152,000 - $228,000 USD
Get to Know Klaviyo
We're Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we're developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators-ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you're ready to do the best work of your career, where you'll be welcomed as your whole self from day one and supported with generous benefits, we hope you'll join us.
Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.
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