Zeta Kovacs
Verified Expert in Engineering
DevOps Engineer and Developer
Trier, Rhineland-Palatinate, Germany
Toptal member since February 21, 2024
Zeta is a highly motivated professional who loves to learn new things and thrives on challenges. His extensive IT experience encompasses diverse projects and roles over the years, with a particular focus on cloud computing, infrastructure automation, and security. Zeta prefers coding in Python but also has experience with other languages.
Portfolio
Experience
Availability
Preferred Environment
Linux, Puppet, Ansible, Terraform, SaltStack, Amazon Web Services (AWS), Google Cloud Platform (GCP)
The most amazing...
...project I've headed is a merger of multiple Artifactory clusters with over 50 nodes and 200 TB storage to achieve enhanced performance and cost efficiency.
Work Experience
Staff Engineer
Wayfair
- Revamped the infrastructure as code (IaC) to manage intricate Artifactory clusters and reworked the entire lifecycle management process. Automated deployment, scaling, and upgrades using Terraform, Puppet, and Python within a GitOps framework.
- Reduced costs and enhanced operational efficiency across various systems by optimizing GCP compute features and streamlining software stacks in multiple projects.
- Collaborated with my team to restructure the Jenkins-based batch processing system, enabling on-demand scaling for worker nodes while decreasing costs and improving operations.
Senior DevOps Architect
Proximus Luxembourg
- Designed and implemented an Azure-centralized log collector solution for clients utilizing Azure-based managed services.
- Assisted in adopting GitOps practices and deployed private GitLab instances to enhance development workflows.
- Contributed to optimizing Azure costs through basic service automation, such as lifecycle management for developer systems.
Lead Engineer
NTT
- Implemented a sophisticated charge-back system for Cisco networking equipment using Splunk, Cisco ICE, and custom Python-based pipelines.
- Deployed large-scale Dell VxRail clusters and VMware clusters with vSAN and NSX.
- Migrated multiple large Oracle databases from Oracle VM Server for SPARC to Linux KVM.
- Headed the design and implementation of a project to deploy and automate one of Europe's largest Splunk installations.
Lead Cloud Security Consultant
NTT Security
- Migrated many on-premise PCI environments onto the cloud.
- Helped implement and improve PCI monitoring for multiple large banks in Europe.
- Helped automate the technical PCI reporting for multiple international organizations.
Automation Engineer
Kneip
- Built an infrastructure as code (IaC) solution capable of deploying and maintaining complete Oracle Fusion Middleware infrastructure. The solution was written in Puppet and Ansible and orchestrated with Jenkins.
- Created a migration tool that helped migrate hundreds of Linux virtual machines from old Xen clusters onto new VMware ESXi clusters.
- Developed a new UAT/QA pipeline for the Oracle Fusion Middleware platform that helped the business set up client and internal test environments on-demand.
Experience
Design, Implementation, and Automation of Large-scale Splunk Cluster
Optimizing Efficiency by Merging Artifactory Clusters
Education
Bachelor's Degree in Computer Science
University of London - London, United Kingdom
Certifications
Google Certified Professional – Cloud Architect
Google Cloud
AWS Certified Advanced Networking – Specialty
Amazon Web Services
AWS Certified Security – Speciality
Amazon Web Services
AWS Certified DevOps Engineer – Professional
Amazon Web Services
Splunk Enterprise Certified Architect
Splunk Inc.
AWS Certified Solutions Architect – Professional
Amazon Web Services
Offensive Security Certified Expert (OSCE)
OffSec
Offensive Security Certified Professional (OSCP)
OffSec
Skills
Libraries/APIs
Jenkins Pipeline, TensorFlow, Keras, Pandas, NumPy
Tools
Puppet, Ansible, Terraform, Amazon Virtual Private Cloud (VPC), AWS IAM, Cron, AWS, SaltStack, Splunk, VMware, AWS, Helm, Hudson, System Security, ELK Stack, Nginx, Zabbix, Nagios, Dell EMC, Rundeck, KVM/Qemu, GCP Security, Jenkins, Artifactory, TensorBoard, AWS, System Security, Graylog, Amazon Cognito, Amazon Simple Queue Service (SQS), Grafana, VMware vSphere, VMware vSphere HA, OpenVPN, GitHub, Git, Git, Linux Virtual Server (LVS), Keepalived, Pacemaker, Varnish, Apache JMeter, Postfix
Paradigms
DevOps, DevSecOps, Agile Development, Penetration Testing, Security Engineering, Oracle Development, Azure DevOps
Platforms
Linux, AWS, Cloud Engineering, Azure Design, FreeBSD, Docker, Windows Development, Oracle Development, Kubernetes, RStudio, AWS Elastic Beanstalk, Amazon EC2, OpenStack, AWS Lambda, Oracle Database, Apache Kafka, Xen, Buildkite
Languages
Python, Go, Java, PHP, C++, JavaScript, R
Storage
Ceph, MySQL/MariaDB, PostgreSQL, Database, Google Storage Development, Amazon S3, Datadog, MySQL
Frameworks
Windows PowerShell
Other
IT Security, Infrastructure as Code (IaC), SecOps, AWS DevOps, Cloud Migration, Containerization, System Administration, Cloud Architecture, Cloud Security, AWS Certified DevOps Engineer, CI/CD Pipelines, Build Pipelines, Disaster Recovery Plans (DRP), GitHub Actions, Google Cloud Functions, Release Engineering, Data Engineering, Consul, ZFS, Cisco, Veeam, Machine Learning, Artificial Intelligence, Exploits, Security, CyberArk, Cisco IOS, Barracuda Networks, System Security, FortiGate, AWS RDS, Prometheus, VMware, VMware vCenter, VMware NSX, VMware vCloud, VMware VMotion, VMware, Web Development, Oracle Development, LDAP, Site Reliability, GitOps, Haproxy, Pipelines, Rendering Pipelines, BIND, Networking, Backups, Bacula, Disaster Recovery Consulting
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