Dmytro Bilan Email & Phone Number

Warsaw, Mazowieckie, Poland

CI/CD Pipeline Implementation: Led the creation and automation of CI/CD pipelines using Jenkins and GitLab CI, which reduced deployment times by 30% and enhanced the stability of releases by minimizing manual errors and streamlining the entire process.Containerization with Docker and Kubernetes: Deployed Docker to standardize application delivery, and configured Kubernetes clusters for efficient container orchestration, leading to a 25% improvement in resource utilization and seamless scaling across multiple production environments.Infrastructure as Code (IaC): Introduced Infrastructure as Code practices using Terraform and Ansible, automating infrastructure provisioning and management. This resulted in a 40% reduction in setup time and ensured consistent, repeatable deployments across different environments.Enhanced Monitoring and Logging: Implemented comprehensive monitoring and logging solutions with Prometheus, Grafana, and the ELK Stack, improving system visibility and reducing mean time to resolution (MTTR) by 35% through proactive issue detection and resolution.Security Enhancements: Strengthened the security posture of the systems by implementing automated vulnerability scans, enhancing access management protocols, and deploying data encryption strategies, which reduced security incidents by 20% and ensured compliance with industry standards.

Lutsk, Volyn, Ukraine

Network Infrastructure Management: Managed a robust network infrastructure using Cisco routers and switches (Catalyst, Nexus series) with dynamic routing protocols (OSPF, BGP) to ensure high availability and optimal performance.Cisco Equipment Configuration: Configured and optimized Cisco networking devices, including ASR routers, ASA firewalls, and wireless access points. Implemented advanced network features such as VLANs, VPNs, and MPLS for secure and segmented network environments.Windows Server and Linux Administration: Administered and maintained Windows Server (Active Directory, DNS, DHCP) and Linux servers (CentOS, Ubuntu) for network services, monitoring, and automation. Utilized PowerShell and Bash scripting to streamline server management tasks.Network Security: Deployed firewalls (Cisco ASA, Linux-based firewalls) and IDS/IPS systems, implementing robust security measures to protect against unauthorized access and cyber threats. Configured IPsec and SSL VPNs for secure remote access.Network Monitoring and Troubleshooting: Monitored network performance using tools like Zabbix and SolarWinds, rapidly diagnosing and resolving issues to ensure minimal downtime. Employed packet analysis (Wireshark) for in-depth troubleshooting.Quality of Service (QoS): Implemented QoS policies on Cisco devices to prioritize critical services like VoIP and video streaming, enhancing overall network performance.IP Address Management: Managed IP allocation using DHCP and DNS, supporting both IPv4 and IPv6 networks. Ensured efficient utilization of address space and seamless connectivity.Service Deployment: Supported the deployment of new services, including VoIP and IPTV, using technologies like SIP and IGMP, enhancing the ISP's service offerings.