Senior IT Systems Engineer is open at Klaviyo in Boston. The posting gives no salary; similar roles in the United States advertise a median of $193K. Posted on Sep 11, 2026, and still on Klaviyo’s careers page when we last checked, on Nov 14, 2026.
About the role
As a Senior IT Systems Engineer on the IT Systems team, you own the design, implementation, and long-term health of the enterprise systems Klaviyo runs on identity, endpoint management, and the SaaS platforms every Klaviyo touches. You will lead projects end to end, from SSO/SCIM rollouts to complex multi-tool integrations and automations, and you will be trusted to take an ambiguous business problem, define the…
The opening lines of the posting. The rest is on Klaviyo’s careers page.
Hiring at Klaviyo
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