Igor Lovalev

DevOps engineer based in Wrocław, Poland, CET

Objective

Highly skilled and motivated Site Reliability Engineer (SRE) / DevOps with more than 10 years of experience in designing, building, and maintaining highly scalable and reliable systems.

Skills

Programming Languages: Perl, Python, Golang, Shell scripting
Cloud Technologies: Yandex cloud, Digital Ocean
Containerization and Orchestration: OpenVZ, Docker, Kubernetes, Podman, LXC, nspawn
Virtualization: KVM, VMware ESxi, Xen, Virtuozzo
Infrastructure as Code (IaC): Puppet, Ansible, Terraform
Continuous Integration/Continuous Delivery (CI/CD): Jenkins, Github/GitLab CI/CD
CI/CD Sec: SonarQube, FindSecBugs, Checkov, OpenSCAP, Vuls, grype, Trivy, clair, Falco, syft, cosign
Monitoring and Alerting: Nagios + mrtg, Zabbix, Prometheus, Grafana, ELK Stack
Databases: MySQL, PostgreSQL, Oracle, MongoDB, ClickHouse, Redis/Memcached, tarantool
Load balancing: LVS, haproxy, nginx, maxscale
High availability: RHCS, Corosync/Pacemaker, keepalived/VRRP
Networking: Cisco, Juniper, Brocade
VoIP: Kamailio, asterisk
Collaboration and Communication: Jira, Confluence

Certifications

Cloud Services Engineer, Yandex Ltd, 16.05.2024
Completion of the course “celestial mechanics”, ITMO University, 10.06.2015
Engineering, SPbPU University, 11.05.2015
SQL server for beginners, UDEMY, 13.03.2015
SQL language online cource, UDEMY, 13.03.2015
M202: MongoDB Advanced Deployment and Operations, MongoDB University, 26.02.2015
LFS101x.2: Introduction to Linux, edX.org, 02.02.2015
Programming for Everybody (Python), coursera.org, 12.01.2015
Introduction to Linux, stepik.org, 10.12.2014
VoIP course for beginners, skillfactory, 06.12.2014
LFS101x: Introduction to Linux, edX.org, 15.08.2014
Technical specialist Radmin, RADMIN, 17.01.2014
Technical specialist ESET, ESET NOD32, 24.12.2013
M102: MongoDB for DBAs, MongoDB University, 26.11.2013
Competition: “System Administration PRO”, IT Starz 2013, 27.09.2013

Experience

VoIP Service Provider

Site Reliability / DevOPS Engineer, 2018 - Present

Automated infrastructure management using Puppet and Ansible, leading to a 70% reduction in manual provisioning time and enhanced environment consistency.
Designed and implemented scalable pacemaker/corosync clusters for deploying (micro)services, containers and virtual machines, improving application scalability and fault tolerance.
Developed and maintained CI/CD pipelines using Jenkins and GitLab CI/CD, enabling automated building, testing, and deployment of applications.
Set up comprehensive monitoring and alerting systems using Prometheus, VictoriaMetrics, Grafana, and the ELK Stack, which enabled proactive issue identification and decreased mean time to resolution.
Collaborated with development teams to boost application performance and reliability through meticulous performance tuning, load testing, and code optimization.
Led incident response and troubleshooting efforts, ensuring quick resolution of critical incidents and minimizing system downtime.
Conducted Chaos Engineering experiments to proactively identify system weaknesses and improve resilience.
Participated in on-call rotations, handling incident responses and performing root cause analyses to prevent future occurrences.

Large regional Internet Service Provider

Duty Engineer (SRE), 2012-2017

Managed bare-metal infrastructure in proprietary data centers, ensuring high availability, scalability and security.
Automated infrastructure provisioning and configuration using Puppet and Ansible, reducing deployment time by 50% and improving infrastructure consistency.
Implemented centralized logging and log analysis using rsyslog, improving troubleshooting and monitoring capabilities.
Collaborated closely with development teams to devise and implement performance monitoring and optimization techniques.
Worked in conjunction with security teams to implement and maintain security controls and ensure compliance with industry standards.
Organized and executed disaster recovery planning and testing to guarantee business continuity.

Private farming company @ Lineage II

SysOp, 2009-2011

Developed scripts for Adrenaline bot reducing manual ingame windows provisioning time by 60% which allowed 24/7 farming.
Managed more than 20 hosts with hundreds ingame windows.
Implemented automated backup solutions to safeguard data and ensure quick recovery in case of failures.

Local private construction company

System/Network Administrator, 2006-2008

Built a computer network for approximately 30 hosts with 2 internet providers for fault tolerance that allowed to speed up the document flow.
Set up and maintained Squid proxy server for caching that allowed reduce internet traffic and payments to providers.
Implemented Windows Active Directory for streamlined network management and improved security.
Installed and updated software applications on all company computers, ensuring compliance with licensing agreements and reducing security vulnerabilities.
Provided technical support and troubleshooting for hardware and software issues, minimizing downtime and maintaining smooth operations.
Established network security firewalls and antivirus solutions, to protect against external and internal threats.
Trained employees on best practices for using network resources, improving overall efficiency and reducing the occurrence of user-related issues.
Managed data backup and recovery processes to ensure data integrity and quick restoration in case of system failures.

Languages

Russian: Native
English: B1
Polish: B1

References

Available upon request

Actual version of this CV, you can always find here: https://iglov.github.io/cv or you can just download it as a file.