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Olexander
Адміністратор
- Considering positions:
- Адміністратор, Системний адміністратор, IT-спеціаліст, System administrator, Менеджер IT-безпеки, Контент-менеджер
- City:
- Remote
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OLEXANDER KRYVDA
Odessa region, UA * [open contact info ](look above in the "contact info" section) * [open contact info ](look above in the "contact info" section)
Linux System Administrator with 12+ years in production, hosting, and cloud environments. Expert in
Linux (RHEL/Debian), virtualization, AWS, monitoring, backups, and security. Experienced in
troubleshooting complex OS and network issues, automating tasks, and maintaining high-availability
services.
Professional Experience
Oct/21 - IT Administrator (Swyft co.)
Feb/26
Identity & Access Management
- Administration of Google Workspace: user lifecycle management, AIM roles,
password policies, Google Voice
- Configuration and maintenance of email infrastructure: mail flow rules, filtering, auto-
responders, and automation scripts
- Active Directory administration: user and group management, password policies,
access control
- Slack administration: users, groups, permission management, and third-party app
integrations
Cloud & Infrastructure
- Administration of virtual machines in Google Cloud Platform (GCP)
- Configuration and monitoring of backup and recovery processes in GCP
- Planning, testing, and execution of operating system upgrades for servers and
workstations
Operations & Documentation
- Development and maintenance of internal technical documentation, procedures, and
runbooks
Jul/14 – System Administrator, content-manager (Albanza web-studio, KZ)
Oct/21
Virtualization & VM Management
- Administration and maintenance of virtualization platforms: KVM, XEN, OpenVZ
- Management of virtual machines using VMware ESX, Proxmox, Solus
- Provisioning, configuration, and lifecycle management of virtual machines
Operating Systems
- Installation and configuration of operating systems on workstations and servers
- Planning and execution of OS deployments for production and test environments
- Troubleshooting OS-level and network-related issues
Networking & Security
- Implementation and maintenance of network security using firewalls and related
security tools
- Configuration and troubleshooting of network services and connectivity issues
Monitoring & Proxy Services
- Deployment and configuration of proxy servers (Squid)
- Deployment and administration of monitoring systems using Nagios, Grafana,
InfluxDB, and Telegraf
- Monitoring system performance, availability, and resource utilization
Web & Hosting Stack
- Installation, configuration, and maintenance of web servers and hosting environments
OLEXANDER KRYVDA
Odessa region, UA * [open contact info ](look above in the "contact info" section) * [open contact info ](look above in the "contact info" section)
- Hosting control panels: cPanel, Virtualmin, Webmin, ISPConfig, ISPmanager, Plesk
Support & Operations
- Providing technical support via ticketing systems, email, chat, and remote access
- Incident resolution, root cause analysis, and user communication
May/16 – System Administrator (Proxy-seller.com, UA)
Jun/19
Virtualization & VM Management
- Administration and maintenance of virtualization platforms: KVM, XEN, OpenVZ
- Management of virtual machines using VMware ESX, Proxmox, Solus
- Provisioning, configuration, and lifecycle management of virtual machines
Operating Systems
- Installation and configuration of operating systems on workstations and servers
- Planning and execution of OS deployments for production and test environments
- Troubleshooting OS-level and network-related issues
Networking & Security
- Implementation and maintenance of network security using firewalls and related
security tools
- Configuration and troubleshooting of network services and connectivity issues
Monitoring & Proxy Services
- Deployment and configuration of proxy servers (Squid)
- Deployment and administration of monitoring systems using Nagios, Grafana,
InfluxDB, and Telegraf
- Monitoring system performance, availability, and resource utilization
Web & Hosting Stack
- Installation, configuration, and maintenance of web servers and hosting environments
- Hosting control panels: cPanel, Virtualmin, Webmin, ISPConfig, ISPmanager, Plesk
Support & Operations
- Providing technical support via ticketing systems, email, chat, and remote access
- Incident resolution, root cause analysis, and user communication
Languages Ukrainian (Native), Russian (Fluent), English (B1), Polish (A2), Lithuanian (A1)
Education Odessa National Polytechnic University, Odessa, Ukraine. 2001 – 2006 yy.
Bachelor Degree in Engineering. Occupation: Electrical Engineering.
Odessa region, UA * [
Linux System Administrator with 12+ years in production, hosting, and cloud environments. Expert in
Linux (RHEL/Debian), virtualization, AWS, monitoring, backups, and security. Experienced in
troubleshooting complex OS and network issues, automating tasks, and maintaining high-availability
services.
Professional Experience
Oct/21 - IT Administrator (Swyft co.)
Feb/26
Identity & Access Management
- Administration of Google Workspace: user lifecycle management, AIM roles,
password policies, Google Voice
- Configuration and maintenance of email infrastructure: mail flow rules, filtering, auto-
responders, and automation scripts
- Active Directory administration: user and group management, password policies,
access control
- Slack administration: users, groups, permission management, and third-party app
integrations
Cloud & Infrastructure
- Administration of virtual machines in Google Cloud Platform (GCP)
- Configuration and monitoring of backup and recovery processes in GCP
- Planning, testing, and execution of operating system upgrades for servers and
workstations
Operations & Documentation
- Development and maintenance of internal technical documentation, procedures, and
runbooks
Jul/14 – System Administrator, content-manager (Albanza web-studio, KZ)
Oct/21
Virtualization & VM Management
- Administration and maintenance of virtualization platforms: KVM, XEN, OpenVZ
- Management of virtual machines using VMware ESX, Proxmox, Solus
- Provisioning, configuration, and lifecycle management of virtual machines
Operating Systems
- Installation and configuration of operating systems on workstations and servers
- Planning and execution of OS deployments for production and test environments
- Troubleshooting OS-level and network-related issues
Networking & Security
- Implementation and maintenance of network security using firewalls and related
security tools
- Configuration and troubleshooting of network services and connectivity issues
Monitoring & Proxy Services
- Deployment and configuration of proxy servers (Squid)
- Deployment and administration of monitoring systems using Nagios, Grafana,
InfluxDB, and Telegraf
- Monitoring system performance, availability, and resource utilization
Web & Hosting Stack
- Installation, configuration, and maintenance of web servers and hosting environments
OLEXANDER KRYVDA
Odessa region, UA * [
- Hosting control panels: cPanel, Virtualmin, Webmin, ISPConfig, ISPmanager, Plesk
Support & Operations
- Providing technical support via ticketing systems, email, chat, and remote access
- Incident resolution, root cause analysis, and user communication
May/16 – System Administrator (Proxy-seller.com, UA)
Jun/19
Virtualization & VM Management
- Administration and maintenance of virtualization platforms: KVM, XEN, OpenVZ
- Management of virtual machines using VMware ESX, Proxmox, Solus
- Provisioning, configuration, and lifecycle management of virtual machines
Operating Systems
- Installation and configuration of operating systems on workstations and servers
- Planning and execution of OS deployments for production and test environments
- Troubleshooting OS-level and network-related issues
Networking & Security
- Implementation and maintenance of network security using firewalls and related
security tools
- Configuration and troubleshooting of network services and connectivity issues
Monitoring & Proxy Services
- Deployment and configuration of proxy servers (Squid)
- Deployment and administration of monitoring systems using Nagios, Grafana,
InfluxDB, and Telegraf
- Monitoring system performance, availability, and resource utilization
Web & Hosting Stack
- Installation, configuration, and maintenance of web servers and hosting environments
- Hosting control panels: cPanel, Virtualmin, Webmin, ISPConfig, ISPmanager, Plesk
Support & Operations
- Providing technical support via ticketing systems, email, chat, and remote access
- Incident resolution, root cause analysis, and user communication
Languages Ukrainian (Native), Russian (Fluent), English (B1), Polish (A2), Lithuanian (A1)
Education Odessa National Polytechnic University, Odessa, Ukraine. 2001 – 2006 yy.
Bachelor Degree in Engineering. Occupation: Electrical Engineering.
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The candidate's resume is posted at https://www.work.ua/resumes/16508938/?puid=18149