Vitaly Bugaychuk Email & Phone Number

Plovdiv, Bg

Sofia, Sofia City, Bulgaria

• Infrastructure Design & Automation: Collaborate with developers to design infrastructure features, improving the performance of multiple trading platforms. Deploy and maintain trading software on bare metal, container and cloud instances using Infrastructure as Code (IaC). • Cloud & UNIX/Linux Administration: Manage cloud-based servers, firewalls, and VPNs. Install and maintain UNIX/Linux systems to ensure optimal performance and reliability. • CI/CD Pipeline & Automation: Configure and manage CI/CD pipelines with TeamCity. Automate infrastructure with Ansible, Terraform, and HashiCorp Vault for secure and efficient operations. • Monitoring & Logging: Implement and manage monitoring tools like Zabbix, Elasticsearch, Grafana, and Prometheus to ensure system observability and quick issue resolution. • Networking Expertise: Leverage CCNP Enterprise skills to manage and troubleshoot complex network configurations. Manage software like Apache, Nginx, and HAProxy for secure web traffic management. • Scripting & Problem Solving: Utilize Bash and Python to automate tasks, analyze errors, and troubleshoot issues, enhancing system stability.

Sofia, Sofia City, Bulgaria

• Site-to-Site VPNs: Configured and troubleshoot various VPN tunnels on Routers and Firewalls, including DMVPN, FlexVPN, IKEv1 and IKEv2 Crypto Map, IKEv1 and IKEv2 VTI tunnels, GRE, and GETVPN. • Remote-Access VPNs: Configured and managed remote-access VPNs, including SSL remote access VPNs on Firewalls and IKEv2 remote access on Routers and Firewalls. Resolved AnyConnect issues on Windows, macOS, and Linux, addressing Split-Tunneling and Routing issues, NAT traversal. Ensured proper configuration of AnyConnect Posture check. • Routing: Managed static and dynamic routing protocols over VPN, including BGP, OSPF, and EIGRP. Resolved end-to-end routing issues and optimized route filtering over VPN connections, enhanced network efficiency and reliability. • Cryptography: Identified and resolved cryptography issues, particularly with PKI, SSH, and VPNs. Provided comprehensive explanations of cryptography components and advising customers on encryption and integrity matters. • PKI and Certificate Management: Configured and troubleshoot PKI and certificate-related issues, ensuring secure and seamless communication within the network infrastructure. • Vulnerability Assessment: Advised customers on vulnerabilities affecting Cisco's ASA or FTD firewalls, contributing to improved network security. • Protocol Analysis: Utilized tools like Wireshark and firewall/router CLI for in-depth protocol analysis, pinpointing and mitigating security threats and anomalies. • High-Priority Issue Resolution: Actively participated in high-priority meetings, resolving critical network outages for customers of all sizes. • Proactive Customer Collaboration: Collaborated proactively with customers during migrations and maintenance activities, ensuring smooth transitions. • Customer Education: Educated customers on best practices and emerging technologies, adapting to evolving needs and challenges.

Sofia, Sofia City Province, Bulgaria

• Supported a wide array of (cloud) applications, including Webex, Jabber, CUCM (Cisco Unified Communications Manager), VCS Expressways, Video Mesh Nodes, Serviceability, Hybrid Calendar, Microsoft Teams integration, MS AD (Active Directory), and Azure integration. • Addressed network connectivity and security issues, VoIP integrations, and VoIP-related issues, including SIP. Conducted deep packet analysis to diagnose and resolve communication problems. • Offered valuable design suggestions and assisted in configuring servers and services, ensuring optimal performance and reliability. • Key Customer Support: Assisted largest customers, resolving configuration issues, facilitating new deployments, and migrating services to enhance customer satisfaction. • Bug Discovery and Documentation: Actively participated in identifying software bugs and meticulously documented issues to improve product quality. • Cross-Team Collaboration: Collaborated seamlessly with back-end teams to resolve complex issues, ensuring the highest levels of customer service. • Log Analysis: Analyzed logs and system/application configurations to identify and rectify issues, maintaining system integrity. • Virtual Environment Support: Provided configuration and troubleshooting assistance for VMware and Citrix virtual environments, contributing to efficient virtual infrastructure operation. • Integration with 3rd Parties: Assisted in configuring and troubleshooting integrations with third-party vendors and service providers, ensuring seamless interoperability. • Technology Research: Stayed updated on evolving technologies and the company's acquisitions, providing informed recommendations and solutions. • User Experience Advocate: Proactively reported poorly designed features to enhance the overall customer experience.

Burgas, Bulgaria

• Oversaw workflow and IT resource management for the Bulgarian branch office, ensuring seamless operations. • Managed user accounts and computers within the MS Active Directory Environment, maintaining a secure and organized user infrastructure. • Administered user emails and cloud resources within Google Suite, facilitating efficient collaboration and data access. • Manag­ed users within Microsoft Dynamics CRM 2011, streamlining customer relationship management processes. • Queuemetrics Administration: Managed users in Loway Queuemetrics, enhancing performance and customer service. • Technical Troubleshooting: Troubleshooted MS Windows 10 environments and Software IP phones (3CX), resolving technical issues promptly. • Equipment Maintenance: Ensured the care and maintenance of all IT equipment, prolonging equipment lifespan and reducing downtime. • Networking Support: Diagnosed and resolved networking issues, maintained network reliability and performance. • Procurement and Vendor Management: Researched, sought the best offers, and ordered networking and computer-related equipment, optimizing resource allocation. • Collaboration and Communication: Utilized collaboration tools to facilitate seamless communication with administrators from other branch offices. • Onsite Support: Provided onsite support to personnel, expedited issue resolution, and ensured minimal disruptions. • Multilingual Communication: Communicated fluently in both Russian and English, fostering effective communication. • IT Security Maintenance: Maintained IT security protocols to safeguard systems and data, contributing to a secure IT environment.

Sopot, Karnare, Kalofer, Bulgaria

• Revamped network infrastructure using a multi-ISP WAN with redundancy and load balance, improving network reliability and data flow. • Streamlined admin processes and heightened data security by centralizing all servers. Fortified network defenses with FortiGate Firewall. • Managed corporate routing, switching, and wireless solutions from Cisco, HP Aruba, Unifi, ensuring seamless and secure connectivity. • Leveraged PRTG and other network-monitoring tools to preemptively address network failures, reducing disruptions and boosting uptime. • Oversaw networking components, Windows servers, and VMware/Proxmox virtual environments, ensuring efficient operation of critical IT systems. • Managed technical equipment allocation, enhancing resource usage and lowering costs. • Maintained stability and productivity by installing, configuring, and troubleshooting Windows-based workstations/software. • Managed embedded systems, ensuring readiness of industrial PCs for disaster scenarios. • Maintained MS Windows Server machines and VMs, ensuring optimal performance, reliability, and data integrity. • Efficiently resolved client, PC, and network issues remotely, minimizing downtime. • Provided onsite support, ensuring quick issue resolution and minimal disruptions. • Improved IT operations efficiency by applying limited programming/scripting functions. • Developed disaster recovery plans for MS SQL 2012 and file servers, ensuring data integrity and business continuity. • Enhanced communication efficiency by replacing analog telephones with VoIP onsite using Grandstream systems. • Researched and implemented innovative IT solutions and provided detailed project reports for transparency. • Maintained thorough documentation of IT-related information, facilitating knowledge transfer. • Implemented NAS by Synology and managed usage/access permissions to the file server, offering flexible file access and performance.

Plovdiv

• Efficient Infrastructure Deployment: Spearheaded the planning, design, and installation of FTP/UTP and Fiber cabling, along with the implementation of switching infrastructure across diverse environments, including banks, offices, and government buildings. Ensured seamless and robust network connectivity. • Significant Network Expansion: Played a pivotal role in orchestrating a remarkable network expansion for a small last-mile ISP, increasing network capacity by an impressive 600 percent. Enabled the organization to accommodate substantial growth and meet evolving customer demands. • User-Centric Support: Provided top-notch support to a wide spectrum of users, ranging from corporate clients to small office and home users. Delivered effective solutions both remotely and onsite, ensuring minimal disruptions and maximum satisfaction. • Swift Resolution of Network Issues: Proficiently identified and swiftly resolved a broad spectrum of L2 network issues. Maintained uninterrupted network operations and enhanced overall network reliability. • Strategic Maintenance Planning: Collaborated actively in planning network maintenance and transformation initiatives. Mitigated the risk of equipment failures and network outages, contributing to sustained network stability. • Efficient SOHO Network Management: Successfully built and meticulously troubleshooted Small Office/Home Office (SOHO) networks. Skillfully identified and rectified network equipment issues, optimizing network performance and ensuring seamless operations.

Ccnp Security, Computer And Information Systems Security/Information Assurance, Pass

Demonstrate knowledge of the implementation, configuration, monitoring, and support of enterprise Virtual Private Network (VPN) solutions.

Ccnp Enterprise, Computer Systems Networking And Telecommunications

Ccna, Network And System Administration/Administrator, Assosiate

Ccent, System, Networking, And Lan/Wan Management/Manager, Certificate

College, Information Technology

Cisco Certified Specialist - Enterprise Core, Network And System Administration/Administrator

Activities and Societies: Architecture Automation Design Principles Enterprise Network Design Such As Tier 2 Fabric Capacity Planning FHRP.