Andrei R. Email & Phone Number

Kuala Lumpur, Federal Territory Of Kuala Lumpur, My

Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia

• Support superior in managing day-to-day operating expenditures against operating budgets to ensure efficient usage of resources• Commission, maintain and support operating environment, system and global application(e.g. Windows servers, Linux servers, VMWare, HyperV, storage, monitoring, backup, cloud, etc.) to ensure high availability and performance• Perform day-to-day operations, administration, tuning and capacity management for all systems ensuring good performance• Resolve system issues and timely escalation of issues according to service level objectives• Develop, maintain procedures for administration and monitoring for all systems• Participate in evaluation, implementation and maintenance of complementary tools and solutions to strengthen performances and efficiency• Develop, maintain disaster recovery procedures for all identified critical systems• Adhere to established best practices, procedures, guidelines and compliance to audit and industry standards• Resolve escalated system issues timely and according to service level objectives• Ensure service level adherenceTech Skills:- Operating systems: Windows Server 2016-2022, RHEL8/9, CentOS7- Cloud Platforms: Google Cloud Platform, Microsoft Azure, AliCloud- Containerization and Orchestration: Docker, Kubernetes, Podman- Infrastructure as Code: Terraform, Ansible- Monitoring and Logging: Prometheus, Grafana, ELK Stack- CI/CD: GitLab CI/CD, ArgoCD, Helm/helmfile- Secret Management: Hashicorp Vault- Database Technologies: MySQL, PostgreSQL- Incident Management: PagerDuty- Monitoring: Zabbix, Site24x7- External services: Akamai, NS1, Office 365

Irkutsk, Russia

Key actions:• Migrating the corporate infrastructure from the old Windows Server 2003/2008 to a new Microsoft Windows Server 2019 Platform. Migrating the user's workstations to the modern Windows 10 OS.• Deploying and administrating the Active Directory Domain, Group Policies, DNS, DHCP, RDS (remote desktop, terminals), IIS (www), LAPS, and KMS (licensing) systems.• Building a virtual private cloud based on Microsoft Hyper-V Server from scratch. Implementing best practices with virtualization to share server resources.• Using PowerShell Scripts for automation tasks and updates.• Deploying, updating, and administrating the Linux Servers (CentOS, Ubuntu with services like Apache, PHP, etc) using Ansible.• Deploying and configuring the pfSense (Internet gateway), MDaemon (mail system), Zabbix (monitoring system), Nextcloud (content collaboration platform), Veeam Backup (backup system for VMs, servers, and DBs), TrueNAS (NAS system), OpenVPN, MeshCentral (remote device management), Kaspersky Enterprise Security (anti-virus solution).• Deploying and administrating the Database Servers (MS SQL, MySQL, Postgres).• Designing and building a local network inside the building (DMZ, VLAN, Wi-Fi, VoIP, VoiceVLAN).• Installing and configuring the Cisco, D-Link, HP, Intel, and IBM network and server equipment.• Designing and implementing the own public key infrastructure (PKI) for services and SSL.• Integrating with Microsoft Azure services such as Web App Services, DNS Zones, and VMs using Terraform.• Supporting corporate websites running on WordPress CMS.• Ensuring the security and efficiency of the IT infrastructure.• Troubleshooting issues and accidents.Achievements:• Reduced IT infrastructure downtime by 95% per year.• Increased user and customer satisfaction when using our IT services.• Improved overall IT infrastructure security, resiliency, and monitoring.• Reduced capital expenditures.

Irkutsk, Russia

• Migrating the corporate infrastructure from the old Novell Netware 6.5 to a new Microsoft Windows Server 2012 R2 platform. Migrating the user's workstations to the Windows 7 and 10 OS. Migrating VMs from VMware cluster to Hyper-V. • Administration of corporate LAN - more than 1000 computers, about 8000 users.• Deploying and administrating the Active Directory, Group Policies, DNS, DHCP, RDS (remote desktop, terminals), LAPS, and KMS (licensing) systems.• Building a virtual private cloud based on Microsoft Hyper-V Server and System Center Virtual Machine Manager (VMM) from scratch.• Deploying, updating, and administrating the Linux Servers (CentOS, Ubuntu with services like Apache, PHP).• Deploying and administration of the System Center Operations Manager SCOM (monitoring of corporate services, servers, and equipment), System Center Configuration Manager SCCM (deployment of operating systems, software, App-V, and policies), System Center Endpoint Protection (anti-virus solution) and System Center Data Protection Manager DPM (backup of systems, databases, and VMs).• Deploying the Forefront Threat Management Gateway TMG 2010 (Internet access system) with 2 ISPs and VPNs (L2TP, SSTP), Microsoft Exchange 2013 (mail server).• Integration with Microsoft Azure & Office 365 platform (Azure Active Directory, Exchange Online, OfficeApps, Teams).• Installing and configuring network equipment (Cisco, D-Link), servers (HP ProLiant, Intel, Dell, Supermicro, Siemens ), and disk arrays (HP, EMC).• Managing external DNS zones and SSL certificates.• Deploying a corporate wi-fi network using 802.1x technology.• Implementation of a two-factor authentication system.• Designing and implementing the own public key infrastructure (PKI).Achievements:• Increased user satisfaction when using modern IT services (especially during COVID-19 times).• Improved overall IT infrastructure automation, security, resiliency, and monitoring.• Reduced capital expenditures.

Irkutsk, Russia

• Installing, configuring the Windows OS family, configuring, and administering the local network.• Completely built the new local network from scratch in the new office (design, purchase of materials and equipment, installation, configuration).

Irkutsk, Russia

• Designing district and house networks, installation of equipment, installation of software, work with clients.• Optical cable welding, and laying. Testing of optical fibers.