- Responsible for developing scalable, reliable and security system architectures, includingevaluating new technologies, conducting feasibility studies, and making recommendations for systemimprovements, automation of SDLC processes, implementation of DevSecOps tools and methodologies..- Develop and maintain an information security system with a "for official use" level of protection,adhering to regulatory requirements and international standards ISO 27002.- Lead the migration of services and implement containerization technologies such as Docker andKubernetes. Experienced in Infrastructure as Code tools like Terraform and AWS CloudFormation.- Leadership and manage two dedicated team (security and operations) of 14 engineers, fostering a culture of teamwork, collaboration, continuous improvement, and integrating DevOps methodologies into the workflow.- Create and maintain an operational center from scratch. Deploy and support network and clusterinfrastructure with many vm’s and services, capable of handling a tested load of up to 5,000 activeusers.- Design and implement a corporate wide area network for a user base of 3,000 people, ensuringminimal failures and maximizing network efficiency.- Implement robust backup strategy 3-2-1, monitoring and maintenance processes using SIEM, Zabbix,Prometheus and Grafana to ensure system availability, performance, and security. Conduct regular system audits,apply patches and updates, and optimize system performance based on industry best practices.- Possess expertise in cybersecurity technologies, including SIEM, NGFW, DLP, and hardening ofLinux/Windows operating systems.

- Identifying and mitigating technical risks, proactively addressing challenges, and providing innovative solutions to optimize system performance and operational efficiency. Developing and implementing robust monitoring and maintenance strategies to ensure system availability and minimize downtime.- Implement industry best practices to ensure system reliability, scalability, and security.- Track record in building and managing teams of 4 technical professionals.- Proficient in the administration and problem solving of Linux and Windows Server 2012-2019, emailsystems, Layer 2/Layer 3 switches, and web servers such as Nginx, IIS, and Apache.- Experienced in virtualization technologies such as VMWare, Hyper-V, and KVM. Skilled in scriptinglanguages like Bash and Python. Well-versed in networking principles, including TCP/IP, DNS, MPLS,VPN, Routing Protocol, and Tunneling.

- Proficient in managing and maintaining server infrastructure, with strong background in Linux and Windows operating systems. including installation, configuration, and troubleshooting of various server applications. Skilled in utilizing monitoring systems such as Zabbix and Grafana to ensure optimal performance and proactively identify and resolve issues.- Installing and configuring networking equipment such as routers, switches, firewalls, and load balancers, monitoring network performance and ensuring efficient operation, performing routine maintenance tasks, such as updating firmware and applying security patches.- Troubleshooting and resolving network issues, including hardware and software problems.

- Experience in network architecture design and maintaining, including LAN, WAN, and VPN implementations. Proficient in designing secure and scalable networks that meet business requirements and ensure high availability and performance. Built and developed a network from a small office of 20 to a distributed network with more than 100 people.- Designing and planning network infrastructures based on business requirements, selecting appropriate hardware and software components for network implementation.