Sebastien Legrand Ngembou

Conducted routine endpoint maintenance, operating system patching, and software deployment across Windows, and Linux environments to minimize vulnerabilities and system downtime. Diagnosed and resolved local connectivity, DNS, DHCP, and VPN configuration issues, escalating complex network routing or security incidents to senior infrastructure teams. Authored automation scripts and technical documentation to streamline onboarding workflows and lower ticket resolution times.

IT Support Specialist - Amazon Fulfillment Center - NY, Syracuse

(2026-02)

• Conducted routine endpoint maintenance, operating system patching, and software deployment across Windows, and Linux environments to minimize vulnerabilities and system downtime.
• Diagnosed and resolved local connectivity, DNS, DHCP, and VPN configuration issues, escalating complex network routing or security incidents to senior infrastructure teams.
• Authored automation scripts and technical documentation to streamline onboarding workflows and lower ticket resolution times.

Cloud and System Engineer - Starland Global Logistics LLC - MI, Lansing

(2025-06 - 2026-01)

Contracts | Remote

• Refactored monolithic Terraform configurations into reusable, environment-agnostic modules, reducing code duplication by 40% and standardizing resource tagging across AWS accounts.
• Automated 'Day 1' server hardening for new Linux instances using Ansible playbooks, achieving 100% compliance with organizational security standards.
• Implemented centralized Terraform state management using S3 backends with DynamoDB locking, enabling secure, concurrent infrastructure deployments for a multi-engineer team.

Cloud DevOps Engineer - IMSoftware - France, cergy

(2023-02 - 2025-05)

• Optimized cloud infrastructure management by implementing Terraform and Ansible, reducing deployment time by 30% and enhancing system scalability.
• Designed and maintained CI/CD pipelines using Jenkins and GitLab, automating 80% of deployment processes and significantly improving team productivity.
• Enhanced system security by developing Python and Bash scripts for automated password rotation and backups, reducing potential vulnerabilities by 50%.
• Streamlined monitoring and logging using Prometheus, Grafana, and CloudWatch, cutting alert response time by 40%.

Bachelor's Degree - Computer Science and Mathematics - Le Mans University