Andrea
From Germany (UTC+2)
Lemon.io stats
1
offers now 🔥Andrea – Golang, Kubernetes, Linux
Andrea is a DevOps and Site Reliability Engineer with 20 years of experience, demonstrating strong expertise in infrastructure, systems administration, and distributed environments. Andrea has led infrastructure modernization initiatives with strong ownership and a deep understanding of server administration. Andrea is direct, adaptable, and willing to mentor others.
20 years of commercial experience in
Main technologies
Additional skills
Direct hire
PossibleReady to get matched with vetted developers fast?
Let’s get started today!Experience Highlights
Senior Site Reliability Engineer
A large-scale Q&A platform focused on supporting rapid growth and preparing its infrastructure for migration to the cloud. The environment included bare-metal infrastructure, Linux and Windows systems, infrastructure as code, configuration management, orchestration, and CI/CD capabilities to support reliable and scalable operations.
- Managed enterprise infrastructure for one of the highest traffic websites, StackOverflow.
- Replaced core networking hardware with no downtime, improving user experience and minimizing advertising losses.
- Migrated from on-prem to cloud utilizing Terraform and Octopus to improve flexibility, management, and build and deploy processes while reducing hardware spend.
- Proactively managed security posture by monitoring critical software like haproxy for new CVEs and managing OS, hardware, and networking hardening settings with Puppet.
- Managed on-prem hardware through the entire lifecycle from servers to racks.
- Created and maintained GitHub Action pipelines, establishing basic infrastructure for the development pipeline.
- Managed Grafana dashboards powered by a custom metrics engine, ensuring minimum downtime and proactively identifying issues.
- Supported development and releases of dnscontrol.
Senior Site Reliability Engineer
A greenfield environment focused on establishing Site Reliability Engineering practices and building a new SRE team to support reliable, scalable infrastructure and operations.
- Created the Site Reliability Engineering team, setting standards and goals.
- Built rapid prototypes of a Docker-ized, cloud native deployment of applications to replace an hours-long manual deployment process.
DevOps Engineer
A legacy service is undergoing modernization through the introduction of DevOps practices and CI/CD capabilities. The initiative focused on improving the software delivery process and establishing more consistent and efficient deployment workflows.
- Managed the infrastructure and development environment for major advertising and search provider, ask.com.
- Developed an API server for caching images for news stories using OpenRESTy.
- Implemented management of a hybrid cloud and on-prem infrastructure utilizing Salt to automate builds and deployments.
System Administrator
A public weather information platform providing forecasts, alerts, and other critical weather information to users across the United States. The platform supports reliable access to weather data and services for the general public and other users who depend on timely, accurate weather information.
- Managed the infrastructure that ran the US government’s weather.gov including standards for hardware upgrades.
- Reduced time for audits from weeks to hours utilizing Salt to catalog, manage, enforce policy on, and audit systems.
- Identified infrastructure and application issues around memory management and fragmentation, significantly reducing downtime.
- Implemented web server injection into sites for government shutdown notice, avoiding the need to take down important sites.