Alexander Avanesov
Verified Expert in Engineering
System Administration Developer
Limassol, Cyprus
Toptal member since October 11, 2019
Alexander has over 20 years of IT experience. He designs and delivers powerful CI/CD architecture, complex monitoring systems, and Cloud and in-house solutions. His expertise lies in DevOps, system administration, networking, automation, troubleshooting, and monitoring.
Portfolio
Experience
- System Administration - 20 years
- Bash Script - 15 years
- Linux - 15 years
- Jenkins - 4 years
- DevOps - 4 years
- Ansible - 2 years
- Python - 1 year
Preferred Environment
Amazon Web Services (AWS), Linux, Continuous Delivery (CD), Continuous Integration (CI), Jenkins, Ansible, DevOps, PostgreSQL, Kubernetes, CI/CD Pipelines, Monitoring, Docker, Amazon Route 53, Cloudflare, CORS, HTML, Amazon EC2
The most amazing...
...out-of-the-box crypto exchange hosting solution I've designed included hardware provisioning, deployment, and management.
Work Experience
Head of IT, System Administrator, DevOps Specialist
Spotware Systems, Ltd.
- Created a database back-up and restore procedure.
- Developed my own content delivery network (CDN) based on GeoIP DNS.
- Designed a complex monitoring system based on Zenoss Core.
- Created a deployment procedure based on Jenkins and Ansible.
- Developed VMware-based virtual machine provisioning using Ansible.
- Maintained and supported the multi-site network infrastructure based on Cisco and Palo-Alto equipment.
- Maintenance of the corporate webservers running on nginx/apache/php.
Senior System Administrator, NOC Manager
PrimeTel PLC
- Designed and supported a metropolitan wide-area network based on Cisco equipment.
- Troubleshooted complex network problems.
- Created a monitoring system of more than 30,000 items.
- Created, trained, and led a 24-hour network operation center team.
- Developed the automatic provisioning of network equipment using Perl.
Experience
Geo-based Content Delivery Network
Enterprise-level Monitoring System
VMware Provisioning and Scaling
Telegram Integration
Route53-based DNS solution
AWS Remote Nodes
Remote Work Infrastructure
Education
Master's Degree in Computer Engineering
Ryazan Radiotechnical University - Ryazan, Russia
Skills
Tools
Tcpdump, NGINX, Ansible, Jenkins, Git, Zenoss, Subversion (SVN), Graylog, Vultr, VPN, Amazon Elastic Block Store (EBS), Amazon Virtual Private Cloud (VPC), RabbitMQ, VMware, YouTrack, Nagios, OpenVPN, Vim Text Editor, Mailchimp
Platforms
Linux, Amazon EC2, Windows, Windows Server, Linode, DigitalOcean, Linux CentOS 7, Mandrill, Ubuntu, Amazon Web Services (AWS), Kubernetes, Docker
Languages
Bash Script, Sed, AWK, Bash, Perl, Python, SQL, HTML
Paradigms
DevOps, Continuous Delivery (CD), Continuous Integration (CI)
Storage
InfluxDB, MySQL, PostgreSQL, Amazon S3 (AWS S3), Alibaba Cloud, MongoDB, Azure Active Directory, Redis Cache, Redis, JSON
Other
Networks, Troubleshooting, System Administration, SSL Certificates, DNS Servers, DNS Configuration, Domain Name System (DNS), Email, VMware ESXi, DNS, Firewalls, Amazon Route 53, Transmission Control Protocol (TCP), Monitoring, Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), IPsec, Grep, Security, IT Security, Palo Alto Networks, IT Administration, IT Networking, DMARC, Spam Filtering, SparkPost, Gmail, DomainKeys Identified Mail (DKIM), Cloudflare, Juniper, Cisco, SANs, Active Directory Federation, WebSockets, Group Policy, CI/CD Pipelines, CORS, IP Routing, Networking
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring