Job brief: Senior Security Engineer - Detection and Response

What JoRoute checked · Checked by JoRoute

• Listed on Klaviyo's own job board. JoRoute does not take listings from job ads or recruiters.
• First seen by JoRoute 2026-11-04 (3 days ago); last confirmed on the board 2026-11-06.
• The apply link opens klaviyo.com, the address Klaviyo's board gives for this job.
• The same title for the same place was listed 1 other time on this board in the last 90 days: several openings, or a re-posted job.
• No layoff notices (WARN) under this name in the state files JoRoute reads.

What the listing says · Employer's own words, not checked

• Pay: $141,600 to $212,400 a year
• Job type: Not stated
• Where: Boston, MA · Boston · Denver +1
• Posted: 2026-10-20

What the job asks · Employer's own words, not checked

Level: Senior. The title says "Senior".

Must have

• 5+ years of experience in software, security, and/or data engineering
• The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations.

Conditions

• Conduct ad-hoc threat hunts and be an active member of D&R on-call rotations
• Experience being part of detection and response or incident response on-call
• This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in…
• 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 o…

Main duties

• Build systems that facilitate security observability for detection and response
• Develop AI-first security systems to automate detection and response operations
• Develop high-fidelity rule-based and/or ML-based detections as code
• Respond to security alerts, cyber threats, and security incidents
• Drive end-to-end incident response investigations

Lines copied from the posting, not rewritten. "Preferred" or "nice to have" items are not listed as must-haves.

How it compares · Compared by JoRoute from listings

• Across Klaviyo's 127 open listings, 35% of those with a posting date were first posted more than 60 days ago. How Klaviyo hires

What nobody outside the employer knows · Not known

• Whether the role is already filled or on hold: employers often leave listings up.
• How many people applied, and who reads the applications.
• Where in the published range an offer would land.

Ask before you apply

1. How many people are you hiring for this role, and is it a new opening or a re-posted one?
2. Which of the listed places is this role based in?
3. What are the interview steps, and when should I expect to hear back?

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