Yonatan Harrison

Experience

Nine years of keeping things running.

From helpdesk, to watching payment transactions at 3 a.m., to leading incident response and AI Operations for a cybersecurity SaaS platform.

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Cynet Cybersecurity SaaS Tel Aviv

Site Reliability Engineer

Mar 2026 — present

I drive AI Operations and DevOps, and lead incident response as the team's technical expert in production reliability, monitoring and databases.

  • Lead AI Operations — AI agents that speed up root-cause analysis.
  • Drive infrastructure as code with Terraform, Kubernetes and ArgoCD.
  • Built proactive monitoring that catches incidents before customers do.
  • Lead on-call incident response, postmortems and runbooks.
  • Go-to expert for database performance, stability and automation.
  • Replace risky manual work with automation and cut alert noise.
Shift4 Payments · ~300K merchants Herzliya · 2020 — 2026

BizOps Tech Staff

2022 — 2026

Technical lead of the BizOps team — bringing AI/ML and DevOps practices to operations, and the link between R&D, Product, Sales and infrastructure.

  • Brought AI/ML into operations with Elastic ML anomaly detection.
  • Introduced DevOps practices and new tooling; trained ~26 people.
  • Led incident coordination and owned the NOC monitoring stack.
  • Technical expert for monitoring, alerting and incident response.

BizOps Analyst

2020 — 2022
  • On-call incident response and 3rd-level escalation for payments.
  • Led data investigations into performance bottlenecks with SQL.
  • Built Kibana and Grafana dashboards for operational visibility.
  • Automated recurring reporting for operations and management.

Internal System Operator

2020
  • Monitored payment systems and transactions with Kibana and PRTG.
  • Investigated anomalies across MySQL and Oracle.
  • Wrote SQL checks that caught transaction issues early.
Novel Collection 2017 — 2020

IT Manager & Helpdesk

2017 — 2020

Where it started: keeping a company's systems, network and people running.

Training

Courses

CCNA

CBT Nuggets coursework

Elastic Engineer

Elastic training

Elastic Analyst

Elastic training

Elastic SIEM

Elastic training