Senior IT Systems Engineer — AI-Driven Automation & SSO

Klaviyo Inc.; San Francisco (CA); On-site; USD 112,000 - 168,000; Full time

Job summary

Klaviyo is seeking a Senior IT Systems Engineer to own the design, implementation, and long-term health of enterprise systems—identity, endpoint management, and SaaS platforms. You will lead end-to-end projects, from SSO rollout to multi-tool automations, partnering across operations, engineering and security.

AI fluency and automation are core, with high autonomy and no direct reports. You will shape a scalable IT environment at Klaviyo, drive improvements, and mentor others while delivering

Qualifications

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Responsibilities

• Own systems, not tickets; accountability for reliability, security, and roadmap.
• Lead projects end to end with planning, rollout, rollback, testing, and documentation.
• Define success metrics and prove with data such as provisioning time saved and coverage gaps closed.
• Mentor engineers and provide constructive feedback to raise the bar.
• Act as a technical escalation point and drive root cause analysis to prevent recurrence.

Skills

Systems engineering

Cloud & SaaS administration

Scripting: Bash/PowerShell/Python

Security & IAM

API integrations

AI in systems

Tools

Google Workspace

Slack

Atlassian

Zoom

Jamf MDM

Intune Autopilot

Okta/EntraID

AWS Lambda

Terraform

Jira Service Management

Job description

Klaviyo is seeking a Senior IT Systems Engineer to own the design, implementation, and long-term health of enterprise systems—identity, endpoint management, and SaaS platforms. You will lead end-to-end projects, from SSO rollout to multi-tool automations, partnering across operations, engineering and security.

AI fluency and automation are core, with high autonomy and no direct reports. You will shape a scalable IT environment at Klaviyo, drive improvements, and mentor others while delivering