Lead People Systems Engineer
Klaviyo
| Company | Klaviyo |
| Category | Engineering |
| Location | San Francisco |
| Remote | On-site (inferred) |
| Employment | Not stated |
| Level | Lead |
| Salary | Not stated by the employer |
| Posted | 30 Jul 2026 |
| Last verified | 31 Jul 2026 |
| Source | Employer career page (greenhouse) |
Description
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 klaviyo.com/careers to see how we empower creators to own their own destiny. Klaviyo is building an AI-first company—and that starts with how we support and scale our people.
We’re looking for a Lead People Technology Engineer to be the first dedicated AI engineer within our People Technology (KPPL) team. As an early leader in this space, you’ll reimagine how our People teams operate in an AI-first world by shaping our architecture, standards, and long-term vision.
You’ll partner across People Operations, Talent Acquisition, Talent, and Finance to design and build intelligent systems that transform how we hire, develop, retain, and support Klaviyos globally. This role is not just about applying AI it’s about defining how AI becomes embedded into the employee lifecycle at Klaviyo.
What You’ll Be Doing
AI-First People Systems & Architecture
Reimagine core People workflows (recruiting, onboarding, performance, daily tasks) through an AI-first lens, not just incremental automation
Design and build AI-powered workflows, copilots, and agents that automate and augment People processes across the employee lifecycle
Architect and implement systems that integrate across SaaS such as Workday, Greenhouse, Sana, and internal Klaviyo platforms
Partner with our internal IT AI team and establish best practices for:
Prompt engineering and evaluation
LLM system design and orchestration
Versioning, testing, security, and observability of AI systems
Enable AI Use Cases (copilots, assistants, automated workflows) that drive faster execution and better decision-making for People teams
Collaborate with stakeholders to translate business problems into scalable AI solutions
Driving an AI-First Operating Model
Identify high-leverage opportunities to replace manual workflows with AI-native solutions
Define and track success metrics tied to efficiency gains, time savings, and operational effectiveness
Help the People organization shift toward AI-augmented ways of working
Act as a thought partner to People leadership on what’s possible with AI, not just what’s requested
Responsible AI, Privacy & Governance: Design systems that handle sensitive employee data with security, privacy, and trust at the core
Partner with Security, Legal, and Global IT to ensure compliant and ethical AI deployment
Cross-Functional Collaboration & Enablement
Work closely with Security, IT, and GTM Systems to align on shared AI infrastructure and standards
Contribute to and adopt company-wide AI patterns, tooling, and best practices
Enable People teams to leverage AI by building:
Reusable frameworks and workflows
Playbooks and training materials
Help non-technical stakeholders confidently use and iterate on AI-powered tools
Technical Leadership
Advocate for scalable, well-governed AI systems that integrate cleanly into Klaviyo’s broader tech ecosystem
Act as a key voice in shaping how Klaviyo becomes AI-first internally, starting with People systems
What Makes You a Great Fit
Passion and Curiosity to experiment and reimagine People workflows
5+ years of engineering or data engineering experience, with 2+ years building AI/ML or LLM-powered delivering tangible business outcomes
Proven ability to set technical direction and build 0→1 systems with meaningful organizational impact
Strong experience with but not limited to:
Python, SQL, and modern APIs
LLM platforms (OpenAI, Claude, Gemin