Geoffrey Bachelot

Self-taught Platform & Site Reliability Engineer, 15+ years working with web infrastructure, automation, and developer tooling. I build Internal Developer Platforms and cloud native architectures, and I’ve scaled the teams to run them.

Experience

Akur8 - Paris, France (2022 - Present)

Insurtech SaaS platform for insurance pricing (300+ clients, 40+ countries, 99.95% SLA). Grew from ~70 to 200+ employees during my tenure.

2025 - now

Head of Platform Engineering (Hybrid)

• Led a 5-engineer Platform Team (EU & US) owning cloud infrastructure, developer tooling, and the Internal Developer Platform
• Designed cloud architectures for Akur8’s international expansion (9 offices, dedicated AWS environments per client)
• Integrated infrastructure from 3 acquisitions (Arius/Milliman, Matrisk, Slope Software) into Akur8’s platform
• Migrated 250 Aurora RDS databases across network boundaries with minimal downtime
• Defined SLOs/SLIs, built the incident management process (L1/L2 tiers), and set up FinOps / cloud cost governance
• On-call via OpsGenie and Datadog On-Call

2023 - 2024

Cloud Operations Tech Lead & Manager (Hybrid)

• Grew the team from 3 to 8 engineers (EU & US) - hired, onboarded, and split the team into focused domains
• Standardized CI/CD pipelines and matured IaC (Terraform/Terragrunt) to speed up deployments
• Contributed to SOC2 Type II and ISO 27001 certifications: IAM, logging, access controls
• Cut cloud costs through architecture reviews and right-sizing AWS workloads

2022 - 2023

Senior Cloud Engineer

• Ran cloud operations during a rapid growth phase (company scaled from ~70 to 100+ employees)
• Built and automated infrastructure with Ansible and Terraform
• Shortened deployment times by reworking delivery pipelines

Tech: AWS, Terraform, Terragrunt, Ansible, Azure, GitHub Actions, Datadog, Auth0, PostgreSQL, Python, Bash

Leboncoin - Paris, France (2018 - 2022)

France’s biggest classifieds platform. 150k req/s at peak, 30M monthly unique visitors, 200+ Go microservices, 600+ bare metal servers.

2020 - 2022

Site Reliability Engineer - Core Team

• Led the datacenter-to-AWS migration from 600+ bare metal servers in cold corridors at Iliad and Equinix, managing hundreds of EC2 instances via AWX
• Worked on an on-prem IaaS built on OpenNebula + KVM (replaced vSphere)
• Built the AMI factory for automated machine image builds
• Migrated 600+ PostgreSQL databases to AWS RDS (some instances at 160 cores / 2TB RAM)
• Ran several large Elasticsearch clusters, including the main search engine
• Managed HAProxy + Bird load balancers for public traffic, backed by a Kong cluster to unify 200+ microservice APIs
• Helped move services to AWS EKS

2018 - 2020

Site Reliability Engineer - Payment Team

• Ran payment platform infrastructure: multiple Go microservices on Kubernetes, exposed via Kong
• Operated Kafka clusters for payment event processing

Tech: AWS, Kubernetes, OpenNebula, KVM, Terraform, Ansible, Kafka, Consul, Vault, Datadog, Prometheus, Grafana, PostgreSQL, HAProxy, Kong, Golang, Python, Bash

Bibliothèque Nationale de France - Paris, France (2014 - 2018)

France’s national library and digital archive. Two on-premise datacenters (Tolbiac, Paris and Bussy-Saint-Georges), petabytes of stored data.

2014 - 2018

Unix System Engineer

• Administered ~200 bare metal servers (HP iLO) across two sites, including racking and remote management
• Managed IBM AIX on Power servers and configured L2/L3 switches, VLANs, NIC bonding, and F5 load balancers
• Ran a multi-petabyte storage infrastructure (NetApp SAN, LTO6/LTO7 tape, LVM)
• Set up high availability architectures across geographically distributed sites

Tech: IBM AIX/Power, Ansible, RedHat/CentOS, Docker, OpenShift, HP iLO, F5, NetApp, Shell

Ocineo - Paris, France (2010 - 2014)

IT services company (MSP), managed infrastructure for 150+ SMB clients.

2010 - 2014

System Administrator

• Managed infrastructure for 150+ SMB clients: Windows Server, Linux, firewalls (pfSense, SonicWall), and VPNs
• Monitored client systems with Nagios and Centreon (SNMP, custom plugins)
• Automated recurring tasks with Ansible, PowerShell, and Shell scripts

Tech: Windows Server, Ansible, Nagios, Centreon, pfSense, PowerShell, Shell

Education

2007 - 2009

Network and System Engineer diploma @ CESI (Bordeaux, France)

2010 - 2011

Microsoft Certified IT Professional @ IP-Formation (Paris, France)

Skills

Infrastructure

AWS, Azure, GCP, Terraform, Terragrunt, Ansible, Docker, Kubernetes, KVM, Bare metal (HP iLO), SAN (NetApp)

Networking & Data

L2/L3, VLANs, F5, HAProxy, Kong, DNS, PostgreSQL, MySQL, ElasticSearch, Redis, Kafka

Observability

Datadog, Grafana, Prometheus, PagerDuty, OpsGenie

Languages

Golang, Python, Shell

Practices

SRE, Platform Engineering, FinOps, CI/CD, Incident Management, SLOs/SLIs, SOC2 Type II, ISO 27001

Contributions

Open Source

docker eBot creator, CS:GO tournament automation bot, used at LAN events worldwide. Arctic Code Vault Contributor (GitHub 2020).

ansible-netdata original creator, Ansible role for Netdata. Published on Ansible Galaxy.

cassh contributor at Leboncoin, SSH key signing tool for enterprise use.

Own projects

HSFactory 2015 - 2022, CS:GO community (~50k players). Built the server infrastructure, organized offline events.