Hi There! Im Vladimir Kiselyov System Administrator Linux Administrator Service Integrator
About Me
About Me
Personal qualities
I am an independent system administrator and developer from Riga, Latvia (EU).I have a serious passion for Linux servers, ensuring their safety and reliability, control and monitoring loads for more than 15 years of experience.
- First Name: Vladimir
- Last Name: Kiselyov
- Date of birth: 7 april 1976
- Nationality: Russian
- Freelance: Available
- Phone: +371 29 53 96 11
- Address: Riga, Kr. Valdemara 118, room 317
- Email: info@serveruadministrators.lv
- Spoken Languages: English, Russian, Latvia
Skills
Education
Experience
Review
Clients
Partners
Web servers (apache, httpd, nginx)
apache
E-mail servers(sendmail, dovecot, postfix)
sendmail
Database servers (mySQL, MariaDB, PostgreSQL, Oracle)
Hostings (Dedicated, VDS/VPS, Management, Clouds)
Backup/Resore (Servers, Emails, DB, websites)
Anti Viruses (Servers, Emails, DB, websites)
Anti Hacking and Scanning (Servers, Emails, websites)
Network Security (OpenVPN, OpenSSL, OpenPGP, Crypt)
IT- LU
1996 - 2001Study
System Administrator- Cyprus University
2002 - 2003Study
Server Administrator- BUTS
2006 - 2007Study
System and linux administrator - Multisistema, SIA
1998 - 2001System and linux administrator on Internet network provider
System Administrator - Cyprus ISP
2002 - 2003System and linux administrator on Internet network provider
System Administrator - MARA-S, SIA
2003 - 2005System and linux administrator company network
System Administrator - IMAGO, SIA
2005 - 2008System and linux administrator company and clients network
System Administrator - BMG.lv, SIA
2008 -System and linux administrator Clients network and Computers
Alex - IT Manager
14.02.2020We ordered Linux Administration for the company’s production servers. Configuration, update, and access issues were fixed, and monitoring and backup tasks were set up. After that, the servers started running much more reliably.
Anna - Office Administrator
29.06.2020The Hosting Management service was delivered quickly and accurately. The website was migrated, and the domain, SSL, email, and database were configured. We especially appreciated that the work was completed without downtime.
Daniel - Security Specialist
18.11.2020We contacted them for the Network Security Administrator service. They performed an audit, closed vulnerabilities, and configured the firewall, VPN, and access rules. After implementation, the infrastructure became much more secure.
Mark - Technical Director
07.03.2021We needed High Availability and Load Balancing for a high-traffic project. Traffic distribution, a backup node, and failover operation were configured and tested. The result fully met our expectations.
Laura - Operations Manager
22.05.2021We ordered the Corporate Network service for our office. Workstations, printers, Wi-Fi, server access, and shared folders were configured. Everything works steadily and without constant connection drops.
Martin - Logistics Coordinator
13.09.2021We implemented GPS Tracking for the company’s vehicles. It became easy to monitor routes, stops, and actual working time. This helped reduce unnecessary mileage and improve discipline.
Eva - Financial Manager
01.12.2021After a system failure, we ordered Backup & Restore Data. Automatic backups were configured, and the recovery process was tested separately. Now we are confident that important information is protected.
Robert - Project Owner
17.02.2022They helped us with both Linux Administration and Hosting Management. The server, PHP, database, email, and overall environment were configured and optimized. The project started working noticeably faster.
Linda - Executive Assistant
30.04.2022They set up a Corporate Network and basic network security for us. Wi-Fi, VPN for remote work, and access rights separation were configured. Everything turned out convenient and reliable.
Max - DevOps Engineer
11.08.2022We implemented High Availability and Load Balancing together with Backup & Restore Data. Replication, backup copies, and a fast recovery scheme were set up. A very useful and practical solution.
Leo - Web Project Manager
26.10.2022We ordered Linux Administration and backup configuration. Everything was done properly: the server was optimized, issues were resolved, and backups were scheduled. It became much easier to work with peace of mind.
Mia - Service Coordinator
19.01.2023They helped us a lot with Hosting Management and network security issues. We had problems with SSL, DNS, and access rights, and everything was fixed quickly. The website and email started working without issues.
Eric - Fleet Supervisor
07.06.2023GPS Tracking was implemented for the company, and part of the network infrastructure was upgraded. Now we can see vehicles on the map, routes, and stops. It truly made transport control much easier.
Julia - E-commerce Lead
28.09.2023We ordered High Availability and Load Balancing for an online project. The front-end layer, redundancy, and load behavior were configured and tested. Even on peak days, the website remained stable.
Nora - Office Manager
15.02.2024We use Backup & Restore Data and Hosting Management services. It is convenient that the website, email, and backup copies are all under control. This has already saved us several times after unsuccessful changes.
Oliver - Information Security Lead
10.07.2024From the Network Security Administrator service, we got exactly what we expected: an audit, access configuration, remote connection protection, and recommendations for stronger security. A highly professional approach.
Emma - Transport Manager
03.12.2025The GPS Tracking system helped make transport operations more transparent. It became easier to see real routes, downtime, and disputed situations. It proved to be genuinely useful for the business.
Adrian - Business Owner
21.03.2026We ordered a Corporate Network setup for a new office. Everything was organized end-to-end: internet, Wi-Fi, access to workstations, the server, and peripherals. After launch, the staff started working without network issues.
Alex - Infrastructure Engineer
09.05.2026The Backup & Restore Data and Linux Administration work was completed with high quality. Backups were configured, recovery was tested, and the server was properly organized. Everything runs stably.
Anna - Hosting Support Lead
18.06.2026The Hosting Management service fully covered our needs. Domains, SSL, email, DNS, and the migration of the project to a new server were all configured. Everything went smoothly without downtime or unnecessary complications.
Daniel - Network Administrator
27.08.2026We contacted them for Network Security Administrator and Corporate Network services. Segmentation, VPN, access rules, and protection of internal services were configured. The infrastructure became both more convenient and more secure.
BargainsBaltic www.rigastagweekend.com
2013 - 20..Dedicated and VPS Servers and LAMP Services Administration
DSD Group www.declarant.lv
2014 - 20..Dedicated Servers, VPN network and Self-Service kiosks monitoring and administration.
BCLS www.bcls.lv
2014 - 20..Dedicated Servers, VPN network and Self-Service kiosks monitoring and administration.
MyOnlinePets www.myonlinepets.com
2016 - 20..Dedicated Servers, LAMP Services and GameEngine Systems Administration
Consulenza www.consulenza.lv
2017 - 20..Dedicated and Database Servers, LAMP Services, VPN Systems Administration
FreeBSD 
1996 - 
Server UNIX OS
CentOS/RedHat
1998 - 
Server LINUX OS
Sigmanet/Latnet
1996 - 
Hosting and Domain Regulator
Hetzner
2002 - 
Hosting
Zabbix
2008 - 
Monitoring Service
Webmin
2002 - 
Hosting Control Panel
cPanel
2002 - 
Hosting Control Panel
phpMyAdmin
2002 - 
mySQL control Panel
Redmine
2008 - 
Project management and issue tracking tool
Jira
2008 - 
Bug tracking and agile project management
amoCRM
2018 - 
Customer Relationship Management
15+
Years Experience
489+
Done Projects
87+
Happy customers
my Services
my Services
Get in touch
Get in touch
Phone
+371 29 53 96 11Address
Riga, Kr. Valdemara 118, room 317Feel free to drop me a line
If you have any suggestion, project or even you want to say Hello.. Please fill out the form below and I will reply you shortly.
Linux Administration
- Linux: CentOS/RedHat/Fedora, Ubuntu, Debian; FreeBSD
- Per Task: from 10€/task
- Support: from 50€/month
- Services: web, email, PHP/Ruby/Python, VPN/SSL, mySQL/Postgre/Oracle/MariaDB
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Linux server administration: installation, configuration, and maintenance of Ubuntu, Debian, CentOS, AlmaLinux, and other systems. Configuration of web servers, databases, mail, security, backups, and monitoring. Performance optimization, troubleshooting, updates, and technical support for stable and secure operation of server infrastructure.
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MS Windows Administrator
- Platforms: Windows OS 2008/2008R2/2012/2012R2/2016
- By tasks: from 150€/task
- Support: from 280€/month
- Services: Microsoft: AD DS, DNS, DHCP, DFS, RDS, KMS, IIS, MS RDS, Citrix, etc. PowerShell, bat/CMD. PKI based on AD CS. Antivirus
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Deployment, administration and load balancing: MDM, Mobile, F5, Proxy KEMP, NetScaler, etc., Exchange / O365, System Center: SCCM, SCSM, Orchestrator, FIM, or other IDM solutions, Skype for Business, Pexip, etc.
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Администратор сетевой безопасности
- Platforms: CentOS/RedHat/Fedora, Ubuntu, Debian; FreeBSD
- For the task: from 10€/task
- Support: from 50€/month
- Servises: web, email, PHP/Ruby/Python, VPN/SSL, mySQL/Postgre/Oracle/MariaDB
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Network security administration: configuring and securing servers, networks, routers, VPN, firewalls, and access control systems. Identifying vulnerabilities, security auditing, protection against unauthorized access, setting up monitoring, and incident response. Ensuring the stable and secure operation of the company’s IT infrastructure.
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Content Manager
- WordPress, Drupal, Joomla and the rest
- from 10€/hour
- from 150€/month
- Texts, translations, photos, videos, icons, banners
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Content manager: populating and updating the website with products, services, articles, images, and other information. Editing texts, structuring sections, publishing materials, monitoring data relevance, and basic SEO optimization. Maintaining the website in a neat, clear, and up-to-date state for visitors and clients.
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Управление хостингом
- CentOS/RedHat/Fedora, Ubuntu, Debian; FreeBSD
- 25€/hour
- from 180€/month
- Domains, DNS, Sites, Mail, Databases, Software versions
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Hosting management: setup and maintenance of hosting, domains, DNS, SSL certificates, mail, databases, and website files. Monitoring performance, backups, updates, website migration between servers, error troubleshooting, and technical support. Ensuring stable, secure, and uninterrupted operation of web projects.
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SEO optimization
- Networks: GogoleAds, Facebook/Meta Ads, ChatGPT, Telegram
- For tasks: from 20€/task
- Support: from 350€/month
- Methods: Search advertising, Contextual advertising, Targeted advertising
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SEO optimization: improving website visibility in search engines, setting up structure, meta tags, keywords, loading speed, and internal linking. Analysis of errors, content optimization, improving rankings in Google and other search engines. Help in attracting targeted traffic and increasing the number of clients.
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Fault tolerance and load balancing
- Solutions: HAProxy, Nginx, Keepalived, MariaDB/MySQL replication, failover, clusters
- Support: from 90€/month
- Services: web/API load balancing, server redundancy, database replication, monitoring, automatic failover
- By tasks: from 25€/task
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Fault tolerance and load balancing: configuring server infrastructure for the stable operation of websites and services under high loads and failures. Traffic distribution between servers, redundancy of critical nodes, configuring failover, clusters, replication, monitoring, and automatic recovery. Reducing the risk of downtime and loss of service availability.
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Corporate network
- Solutions: MikroTik, Cisco, UniFi, VPN, VLAN, Wi-Fi, routing, network access
- Support: from 70€/month
- Services: office networks, branches, VPN between sites, Wi-Fi, access to servers, network protection
- By tasks: from 20€/task
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Corporate network: design, setup, and support of local and distributed networks for an office, warehouse, store, or enterprise. Configuration of routers, switches, VLANs, Wi‑Fi, VPN, network security, access to servers, printers, and workstations. Ensuring stable connectivity, secure data exchange, and convenient employee work within a unified IT infrastructure.
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Video surveillance
- Solutions: IP cameras, DVR/NVR, Hikvision, Dahua, remote access, archive, notifications
- Support: from €60/month
- Services: camera installation, recording setup, phone viewing, archive, remote access, maintenance
- By tasks: from 25€/task
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Video surveillance: selection, installation, and configuration of video monitoring systems for an office, store, warehouse, home, and premises. Connection of IP and analog cameras, video recorders, remote access, archive recording, notifications, and viewing from a phone. Ensuring control, site security, and property safety in real time and from the archive.
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GPS control
- Solutions: GPS trackers, online monitoring, reports, notifications, route control, movement history
- Support: from 250€/month
- Services: transportation, couriers, equipment, route control, geolocation, reports, remote access
- By task: from 20€/task
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GPS monitoring: installation and setup of transport, employee, and equipment monitoring systems with tracking of location, routes, stops, speed, and working time. Connection of GPS trackers, online maps, notifications, reports, and remote access. Helps control movement, reduce costs, and increase safety.
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Backup & Restore Data
- Solutions: backup, restore, snapshot, cloud backup, NAS, databases, servers, automation
- Support: from 60€/month
- Services: backups of websites, databases, servers, files, clouds, disaster recovery
- By tasks: from 120€/task
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Backup & Restore Data: setting up backup and data recovery for servers, websites, databases, workstations, and cloud services. Organizing automatic backup copies, integrity checks, storage locally and in the cloud, rapid recovery after failures, errors, or data loss. Reducing downtime risks and protecting important business information.
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Get in touch
Feel free to drop me a line
If you have any suggestion, project or even you want to say Hello.. Please fill out the form below and I will reply you shortly.