Максим

Maxim Ruslyachenko

DevOps Engineer / Linux Infrastructure Engineer

Ukraine | Remote | Ready for relocate to EU
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Professional Summary

DevOps / Linux Infrastructure Engineer with 10 years of production experience in supporting and
automating mission-critical systems. Strong background in Linux administration, networking,
configuration management (Ansible), CI/CD pipelines (Jenkins) and high-availability backend
services.

Extensive hands-on experience with on-premise infrastructure, legacy and modern Linux
environments, Docker-based services, and deep troubleshooting of production incidents. Currently
expanding practical expertise in Kubernetes and cloud-native technologies, with a strong focus on
reliability, observability, and infrastructure evolution.

Core Technical Skills
 DevOps & Automation
 Ansible (playbooks, roles, inventories, ad-hoc automation)
 Infrastructure as Code principles
 Bash scripting (production usage)
 Python (automation scripts, service tooling)

CI/CD
 Jenkins:
◦ pipeline configuration
◦ build & deployment automation
◦ operational support of CI/CD workflows
Git-based workflows

Containers & Kubernetes
 Docker, Docker Compose (production usage)
 Kubernetes:
◦ understanding of cluster architecture
◦ Pods, Deployments, Services, ConfigMaps, Secrets
◦ hands-on experience with local and test clust

Linux administration (CentOS, AlmaLinux)
 systemd, journald, log analysis
 Networking: IP networking, routing basics
 VPN concepts
 Firewalls: iptables, nftables
 TLS, certificates, OpenSSL

Monitoring & Logging
 Zabbix (production monitoring)
  Log analysis and troubleshooting

Databases
 MariaDB / MySQL
 User privileges, stored procedures
 Backup and restore automation

Professional Experience

WEBXLOO LLC — System Engineer
August 2020 – Present | Ukraine-Bulgaria
Support and operation of production Linux infrastructure
Automation of routine and critical tasks using Ansible
CI/CD job configuration and maintenance in Jenkins
Administration of VoIP and backend services (Asterisk, SIP infrastructure)
Troubleshooting complex production issues (network, services, performance)
Management of TLS certificates and secure communications
Writing and maintaining technical documentation (Markdown)

Citrus — System Administrator
February 2019 – August 2020 | Ukraine
Administration of Linux servers (CentOS)
Support of VoIP infrastructure (Asterisk)
Network troubleshooting and service availability support
User and system administration

Earlier Experience (Summary)
CRM & VoIP integration projects (Bitrix24, call tracking)
Network administration roles
Academic background in telecommunications and computer networks
Cisco Networking Academy CCNA Instructor
Teaching Linux, FreeBSD, DNS, DHCP, Samba, FTP

Education
Odesa National Academy of Telecommunications
Master’s Degree — Telecommunications
Specialist — Business Administration & Management

Languages
Ukrainian — Native
Russian — Native
English — Intermediate (technical communication)

Additional Information

Strong production mindset and responsibility for system stability
Comfortable working with legacy systems and gradual modernization
High level of documentation discipline
Motivated to grow in Kubernetes, AWS, and cloud-native ecosystems
Interested in projects related to AI / ML infrastructure and large-scale systems