DevOps engineer based in Wrocław, Poland, CET

Email / Website / GitHub

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.

• 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

• 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

• 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.

• 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.

• 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.

• 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.

• Russian: Native
• English: B1
• Polish: B1

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.