Position: System administrator, DevOps
Category: Sysadmin
English level: basic
Years of experience: 4

At the last place of work, went from technical support to development and maintenance of various infrastructures. Gained extensive experience in communication and solving complex problems. Getting acquainted with the new stack and implementing it in the sale is not a huge effort.

Studies on most projects as an IT architect, where he had a deep knowledge and understanding of the process.
Systems Administrator with proven technical and interpersonal skills, attention to detail and ability to work effectively under pressure. Excellent ability to automate, improve, upgrade, and migrate existing legacy systems while designing, implementing and continually updating new ones. Experience with a range of tools, equipment, devices and methodology and a strong desire to continue to learn.

• Hands-on experience in managing the virtual hosts using ESXi, Proxmox, KVM.

• Adept in Installation, Configuration and Administration of Debian, CentOS, Oracle Linux, Windows operating systems.

• Hands-on experience in handling services and applications like DHCP, DNS, SSH, SSL, FTP, Apache, Nginx, Load balancing HA proxy on Linux machines.

• Connecting to the servers remotely using SSH, RACADM, RDP, ILO, IPMI, iDRAC and VSphere for various troubleshooting and resolving the issues like network, hardware, raid. configuration, storage and connectivity.

• Knowledge of installing Docker. Created custom Docker container images, added tags, and uploaded images.

• Knowledge with various Docker components such as Docker Hub, Docker Engine, Docker Machine, Compose and Docker Registry.

• Dockerized applications by creating Docker images from Docker file.

• Proficient in all aspects of software life cycle like Build/Release/Deploy and specialized in cloud automation through open source DevOps tools like Jenkins.

TECHNICAL SKILLS:

OS: Windows Server 2008-2022, Debian, Ubuntu,  CentOS 7, CentOS 8, FreeNAS, Amazon Linux, RedHat Enterprise Linux.

Cloud Technologies: Amazon Web Services (AWS), S3, EC2, DNS

Virtualization: Docker, K8s, LXC, ESXi (vsphere), ProxMox (cluster), KVM, Hyper-V, VirtiO, OpenNebula.

Databases: MSSQL, MySQL, SQLite. PostgreSQL, InfluxDB.

Hardware servers: DELL, HP, SuperMicro, etc.

BackUp: Veeam, ProxMox Backup.

Monitoring: Zabbix, Observium, Grafana/influxDB/Prometheus.

Network services: WINS, DHCP, TCP/IP, SNMP V3, HTTP, HTTPS, NAT, OSPF, FTP, SFTP, FTPS, NFS, ISCSI, VLAN, DDNS, RADIUS, QoS, VoIP, IPSEC VPN, L2TP/Wireguard/OpenVPN.
Routers: Cisco, Fortinet, RouterOS, Ubiquiti.
Switches: Cisco, Juniper, D-link, Huawei, Juniper, Aruba, Zyxel (nebula), Ubiquiti.
Voip: Asterisk/FreePBX, FreeSwitch/FusionPBX, yealink, grandstream.