Hire the best Network Administrators in Kyiv, UA
Check out Network Administrators in Kyiv, UA with the skills you need for your next job.
- $35 hourly
- 4.1/5
- (14 jobs)
Network engineer with over 8 years of experience. In workflows, it was often necessary to master new technologies in order to troubleshoot and maintain critical services. Always ready to learn to acquire new skills and experience - Successfully finished Fortinet NSE 7 Network Security Architect - Have knowledge in administrating Exchange Servers - Worked with OCI and Azure
Network Administration
Network EquipmentFortiGate FirewallLinux System AdministrationHAProxyInformation SecurityComputing & NetworkingFortinetComputer NetworkMicrosoft Exchange ServerNetwork EngineeringLoad BalancingNetwork SecurityFirewallVPN - $50 hourly
- 5.0/5
- (26 jobs)
Organised, communicative, hardworking DevOps System administrator. I love what I am doing, my job is my passion. In recent years I have engaged in DevOps and System/Network Administrator, experienced in the implementation of different projects from simple site to startup with big community. I believe that only hard and honest work can bring needed result. Here are my best skills: Platforms: Linux (RHEL / CentOS, Ubuntu Server / Debian), FreeBSD, Microsoft Windows Server 2003/2008/2012R2/2016/2019 DevOps: GIT, Jenkins, Docker, Ansible, Icinga, Kubernetes Network solutions: Cisco routers, Mikrotik RouterOS, Hewlett-Packard ProCurve Web Server: Apache, NGINX, IIS Mail: Postfix, Dovecot, Cyrus IMAP and others Databases: MySQL, PostgreSQL, MSSQL Virtualization: KVM, Xen, OpenVZ, HyperV Cloud Technologies: Amazon Web Services (AWS), DigitalOcean Security tools: iptables, pfSense, VPN, OpenSSL Additional skills: VoIP services (Asterisk, FreeSWITCH, Cisco) Programming: BASH Diagnostic services: Nagios, Icinga, Zabbix, Grafana
Network Administration
Database AdministrationLinux System AdministrationPleskTechnical SupportWindows AdministrationcPanelAnsibleGitAmazon Web Services - $55 hourly
- 5.0/5
- (25 jobs)
Self-motivated professional with a strong work ethic and a productive self-starter - proven with success being a freelancer at Upwork. Former network engineer with heavy immersion in Linux and TCP/IP stack. My technical career is: 2018 - 2021 ⚙🌐 System & Network Administrator 2021 - present 👨💻 DevOps/SRE Engineer ### SKILLS MAP ### Cloud-providers: ✔️ AWS ✔️ GCP ✔️ Hetzner DevOps: ✔️ Monitoring/Log coverage ✔️ Security check-up ✔️ Cost optimisation ✔️ Architecture ✔️ Ansible/Terraform ✔️ Containerization ✔️ Deployment ✔️ CI/CD Network Administration: ✔️ RouterOS (MikroTik) ✔️ Cloud networking ✔️ DOS/DDOS protection ✔️ VPN configuration ✔️ Site-to-site tunneling ✔️ Firewall configuration ✔️ DNS/DHCP/Routing protocols expertise ✔️ Packets analyzing System Administration: ✔️ Linux servers (Debian, CentOS) ✔️ Windows Active Directory ✔️ Bash/Python scripting & automation ✔️ ElasticSearch/Kafka tuning ✔️ SQL/noSQL database tuning ✔️ Nginx/HAproxy tuning Rate is negotiable dependent on business needs. Let's discuss details!
Network Administration
NGINXAnsibleCloud ServicesCloud ArchitectureDevOpsGrafanaDockerTCP/IPLinuxBashUbuntuMikroTikNetwork DesignPython - $50 hourly
- 5.0/5
- (2 jobs)
I’m a system administrator with CTO, CIO & CFO experience. Recently, from 2020 to 2022, I had successful projects to transfer the site from paid hosting to client own server (2 times), implement a management accounting system (4 times), implement the CRM system (6 times), transfer companies from On-Premise to SaS On-Cloud, deploy and configure computer networks (2 times), organization of Wi-Fi roaming, installation, configuration and support of MS SQL server (2 times), setting up backup with the ability to restore the database at any time to a second (7 databases), setting up convenient remote work for employees, user support via helpdesk. I am equipped with a skill-set which includes but not limited to: Software and services: • Azure / AWS • Microsoft 365 / Office 365 • SharePoint / Microsoft Teams / Exchange • Windows 7/10/11 & Windows Server from 2012 r2 • Active Directory / Group Policy / RDP / RDS / RemoteApp • Domain, DNS, SPF & DKIM, SSL Certificate • MS SQL / Veeam / Altaro • Bitrix24 (CRM) SaS & On-Premise • 1C / BAS (Management Accounting) • Google Workspace (general level) Finance and business skills: • Accounting • Management Accounting • Production management General IT skills: • Network Administration (Certified by Mikrotik) • Remote Support • IT Troubleshooting • Linux, NGINX, Apache, SQL • Hardware/Software Administration • Cyber Security I have been solving the problems associated with the above since 2008 in both small and large businesses, so now I am ready to help you with any similar problem you may encounter!
Network Administration
Website MigrationWordPress MigrationWindows 10 AdministrationWindows ServerBitrix24Windows 11 AdministrationManagement AccountingCloud MigrationMicrosoft AzureWeb ServeriOSWindows AdministrationMac OS X AdministrationMicrosoft Office - $35 hourly
- 4.7/5
- (17 jobs)
Thanks for visiting my profile! My name is Ihor Starodub. I am a Microsoft Certified Expert with Azure, O365, and Power Platform certifications and have over 15 years of professional experience. ✅ 𝐈 𝐜𝐚𝐧 𝐩𝐫𝐨𝐯𝐢𝐝𝐞: √ Development and deployment of Azure infrastructure from scratch. √ Manage Azure Active directory and Azure policies √ Role-based access control (RBAC) √ Deploy and configure virtual machines in Azure √ Implementation and management of virtual networks √ Integrate LAN with Azure virtual network with Site-to-Site VPN technologies √ Implement backup and recovery using ASR and Azure Backup technologies. ✅ In addition, I have knowledge of 𝐀𝐝𝐦𝐢𝐧𝐢𝐬𝐭𝐞𝐫 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝟑𝟔𝟓 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬, such as: √ Integration of Microsoft 365 and local environments. √ Deployment and configuration of M365 clients, that is domain management and organizational settings. √ Access control and authentication for M365 services, etc. ✅ If we talk about on-premises infrastructure, I have knowledge in the deployment and administration of Microsoft Active Directory and related services such as 𝐃𝐍𝐒, 𝐃𝐇𝐂𝐏, 𝐇𝐲𝐩𝐞𝐫-𝐕, etc. If you are ready to start, 𝙘𝙤𝙣𝙩𝙖𝙘𝙩 𝙢𝙚, and I will do my best to get back to you ASAP 🚀
Network Administration
Microsoft IntuneAzure Cognitive ServicesAzure OpenAI ServiceVirtual MachineMicrosoft SharePointMicrosoft OutlookCloud MigrationSystem AutomationSystem AdministrationMicrosoft Windows PowerShellMicrosoft Active DirectoryOffice 365Microsoft Azure - $40 hourly
- 5.0/5
- (4 jobs)
I'm a security engineer who has had experience in performing a variety of tasks in large numbers, can easily adjust to your situation, analyze the problem and offer the best solution that will cover your needs in time. My skills: - experience with bug tracking and change management systems; - experience in troubleshooting and solving complex problems, excellent analytical skills; - understanding the concepts of the software development process, application security, infrastructure/cloud technologies, and methodology evaluation; - experience in writing bash, python, go, rust scripts; - ISSAF - OSSTMM - OWASP - PTES - NIST 800-115
Network Administration
Cloud SecurityC++Server & Virtualization SoftwareSecurity Operation CenterNIST Cybersecurity FrameworkCybersecurity MonitoringCybersecurity ToolCybersecurity Management - $60 hourly
- 5.0/5
- (11 jobs)
Hi! I am a System Architect with 8+ years of experience in DevOps technologies (12+ SysAdmin). I am passionate about building solutions that help businesses grow. My team consists of professional DevOps engineers who love their work. We strive to deliver efficient services to our clients. We have certifications of most modern Cloud Services. TECHNOLOGIES WE MASTER✔️: 📌Cloud Platforms: AWS, GCP, Digital Ocean; 📌Dockerization and orchestration: Kubernetes, Docker, Rancher, OpenShift; 📌CI/CD: Jenkins, Gitlab CI, Github Actions, ArgoCD, etc; 📌Monitoring and logging: Prometheus, Zabbix, Grafana, DataDog, Site24x7, ELK, Loki; 📌IaC: Ansible, Terraform, CloudFormation, Chef, Helm; 📌Architecture: Cloud and Microservices; Design and Tuning. WHAT MAKES OUR COMPANY UNIQUE✔️: SoftDen is an IT company that specialized in Infrastructure and DevOps practices. Our team provides a personalized approach with a deep understanding of customers’ needs and usage of cutting-edge technologies. WHAT WE OFFER✔️: 1️⃣ Design and setup of development, testing, productions environments 2️⃣ CI/CD processes implementation 3️⃣ Containerization with Kubernetes, Docker 4️⃣ Infrastructure performance tuning and general server management 5️⃣ Cloud infrastructure design and setup 6️⃣ Automation of development processes 7️⃣ Cloud migration and cost optimization 8️⃣ Disaster Recovery Solutions 9️⃣ High-load Ready Systems READY TO TALK? Feel free to contact me directly or via the agency profile!
Network Administration
DockerLAMP AdministrationAnsibleTerraformAWS Server MigrationAWS Systems ManagerKubernetesLinux System AdministrationJenkinsAmazon Web Services - $40 hourly
- 5.0/5
- (8 jobs)
Well-developed IT skills combined with a flexible attitude to work. 16 years in IT industry, rich expirience in different areas (Window, Virtualiztion, Networking, Storage).
Network Administration
Microsoft SQL Server AdministrationWindows AdministrationMicrosoft Lync ServerMicrosoft Active DirectoryMicrosoft Exchange ServerMicrosoft AzureOffice 365Virtualization - $50 hourly
- 5.0/5
- (36 jobs)
Skilled DevOps and System Administrator ready to work! I have experience in the implementation of different projects, setting up from the scratch, CI/CD processes, migration, tuning, optimization, maintenance/troubleshooting etc systems of various complexity (from simple website to project with more than 100k community such as dingit tv). DevOps and System Administration is not just job for me, it is something more, from a hobby at a young age it has grown into a passion. In recent years, I have great pleasure in doing DevOps and System Administration, I devote for this profession most of my time. I have great experience in: Platforms: Linux (RHEL / CentOS, Ubuntu Server / Debian, Slackware), Windows Server 2003/2008/2012 DevOps: GIT, Jenkins, Docker, Ansible, Icinga, Terraform, Kubernetes Network solutions: Mikrotik RouterOS, heartbeat, drbd, GlusterFS Web Server: Apache, NGINX Databases: MySQL, PostgreSQL Mail: Dovecot, Postfix Virtualization: Xen, KVM, MS HyperV Cloud Technologies: Amazon Web Services (AWS), OpenStack Security tools: iptables, squid, VPN, OpenSSL Hosting panels : Plesk, whm\cPanel, DirectAdmin Additional skills: experience with bacula/BackupPC, experience with MS AD (~1000 clients hosts), GPO writing bash, sed/awk bases, raid technology, LVM knowledge
Network Administration
AnsibleDockerELK StackTerraformPrometheusJenkinsBash ProgrammingGitDevOpsLinux System AdministrationKubernetesAmazon Web Services - $25 hourly
- 4.9/5
- (26 jobs)
Network Administration
Data RecoveryProxmox VERAID AdministrationCisco IOSLinux System AdministrationUnix System AdministrationLAN AdministrationLinux - $44 hourly
- 4.3/5
- (28 jobs)
Reliable and hardworking system/network administrator with tons of experience over my shoulders. Providing technical expertise for IT network building, implementation, optimization and upgrade Monitoring the network environment including Cisco managed switches and wireless controller routers, switches, firewalls, software applications Installation, configuration and maintenance of system network components (CentOS, AltLinux, FreeBSD, Windows Server 2012) Performing troubleshooting and diagnosis to hardware/software network failures, and providing solutions. Providing administration support, installation, configuration and maintenance of services: FTP, DHCP, DNS, 1C server (CentOS + postgreSQL, apache), VPN(L2TP/IPsec), NAS, Symantec Endpoint Protection Manager Here are my best skills: Platforms: Linux (RHEL / CentOS, Ubuntu Server / Debian), FreeBSD, Microsoft Windows Server 2003/2008/2012 Network solutions: Cisco routers, Mikrotik RouterOS, Hewlett-Packard ProCurve Web Server: Apache, NGINX Mail: Postfix, Dovecot, Cyrus IMAP and others Databases: MySQL, PostgreSQL, Microsoft SQL Server Virtualization: KVM, Xen, MS HyperV Cloud Technologies: Amazon Web Services (AWS), OpenStack Security tools: iptables, PF, VPN, OpenSSL Additional skills: VoIP services (Asterisk, FreeSWITCH, Cisco), analog PBX systems (Panasonic) Programming: BASH, Perl, PHP, VBScript Diagnostic services: Nagios, Icinga, Zabbix
Network Administration
Linux System AdministrationDatabase AdministrationMySQLDevOpsWindows AdministrationAnsibleBashAmazon Web Services - $20 hourly
- 0.0/5
- (0 jobs)
I’m a seasoned System Administrator with solid hands-on experience in managing and deploying IT infrastructure on both Windows and Linux platforms. I specialize in setting up domain environments on IaaS platforms (e.g., AWS, Azure), configuring DNS and mail domains, and solving complex technical issues. Whether you need to build a secure and scalable infrastructure from scratch, troubleshoot an existing system, or optimize server performance — I’ve got you covered. 🖥️ System Administration & Virtualization • Windows Server, Windows 11 Administration • Ubuntu, CentOS Administration • VMware ESXi, Hypervisor Management • Virtual Machine Setup & Configuration • Active Directory & domain controller setup • Infrastructure deployment on IaaS (AWS, Azure, etc.) 🌐 Networking & Security • Network Administration • MikroTik RouterOS Configuration & Management • Port Forwarding, NAT, VPN (L2TP/IPsec, OpenVPN) • Dedicated Server Management • Firewall and network configuration • SSL Certificate Installation & Configuration 🧰 Web Hosting & Website Management • WordPress Installation & Administration • Website Migration • Web Server Configuration (Apache, Nginx) • Hosting Control Panel Management (HestiaCP, ISPManager) • Website Content Management • SEO Optimization 📧 Administrative Support • Email Management • DNS, MX, SPF, DKIM, and DMARC configuration • Mail server setup & troubleshooting • Remote Assistance & User Support • Automation & scripting (Bash, PowerShell) Let’s get your infrastructure running like a Swiss watch.
Network Administration
Web ServerMikroTik RouterOSWindows ServerUbuntuVirtual Machine Operating SystemSSL CertificateDedicated PlatformWebsite MigrationWordPress InstallationWordPressVMware ESX ServerVMware AdministrationSocial Media ContentAdministrative Support - $25 hourly
- 0.0/5
- (0 jobs)
👨💻 I’m a seasoned DevOps Engineer with over 10 years of hands-on experience in Linux systems, network engineering, and DevOps practices. My background spans system administration, virtualization, and cloud infrastructure design and automation. I specialize in delivering robust, scalable, and secure environments tailored to business needs—whether on-premise, in the cloud, or hybrid setups. ✅ What I Can Do for You 🛠 Design and implement secure, highly available, and fault-tolerant systems across cloud and hybrid infrastructures. ☁️ Migrate infrastructure and services to the cloud, ensuring reliability, scalability, and long-term operational support. ⚙️ Automate infrastructure provisioning and configuration management to reduce manual effort and increase consistency. 🔁 Migrate and modernize websites and hosting environments, including multi-site transfers, OS upgrades, and service reconfiguration. 🚀 Build and streamline CI/CD pipelines to accelerate development cycles and enable safer, more efficient deployments. 🐳 Modernize applications using containerization and orchestration technologies, with full automation for deployment and scaling. 📊 Establish end-to-end observability, including proactive monitoring, logging, and alerting across infrastructure and applications. 🔧 Quickly troubleshoot and resolve infrastructure and deployment issues, minimizing downtime and maintaining service quality. 📋 Deliver well-documented, maintainable infrastructure, tailored to meet both business objectives and technical requirements. 🧰 Core Skills and Competencies: ☁️ Cloud Platforms AWS (EC2, IAM, VPC, ECS, EKS, RDS, S3, ELB, Route 53, CloudWatch, SNS) 🐳 Containers & Orchestration Docker • Kubernetes • OpenShift ⚙️ Infrastructure as Code & Automation Terraform • Ansible • Bash • Python 🚀 CI/CD Tools Jenkins • GitLab CI/CD • TeamCity • uDeploy 📈 Monitoring & Logging Prometheus • Grafana • ELK Stack • Zabbix 🌐 Networking & Security Load Balancing • Routing/Switching • VPN (IPSec) • SSL/TLS • High-Availability • Firewalls 🗃️ Databases MySQL • PostgreSQL • MongoDB • Redis 🔁 Version Control Systems Git (GitHub, GitLab, Bitbucket) 📡 Web & Mail Services NGINX • Apache • Mail Services (Postfix, Dovecot, SPF/DKIM/DMARC, Roundcube) • Let’s Encrypt 💻 Operating Systems Linux (Ubuntu, RedHat/CentOS/Rocky) • Unix (FreeBSD, Solaris) 🤝 Let’s collaborate if you’re looking for a hands-on engineer with deep infrastructure expertise, a strong DevOps mindset, and a focus on automation, reliability, and long-term maintainability.
Network Administration
Network SecurityPythonGitLabJenkinsAnsibleLinuxGitAmazon Web ServicesDockerKubernetesTerraformCI/CDDeployment AutomationDevOps - $30 hourly
- 0.0/5
- (0 jobs)
Experienced IT & Networking Specialist with a strong background in system administration, DevOps, and network security. I help businesses deploy, secure, and maintain reliable IT infrastructures. 🔧 Key Skills: • Linux/Windows Server Administration • Network Setup & Monitoring (Cisco, Mikrotik, Ubiquiti) • DevOps (Docker, Kubernetes, CI/CD pipelines) • Cloud Platforms (AWS, GCP, Azure) • Firewall Configuration and Security Compliance • Troubleshooting and Technical Support 💡 What you get: Reliable and fast communication, attention to detail, and a problem-solving mindset. Let’s work together to build something secure and scalable.
Network Administration
Infrastructure as CodeCloud SecurityTerraformAnsibleJenkinsKubernetesDockerMicrosoft AzureDevOpsLinux System AdministrationSystem AdministrationInformation Security - $30 hourly
- 0.0/5
- (0 jobs)
MY HISTORY: Third year cybersecurity student specializing in protecting networks and cloud applications. Diligent, hardworking, I love to learn new things, this shows in everything I undertake. My biggest plus is that I learn everything new very quickly, new applications, new systems, new tools. EXPERIENCE Have experience in writing in the Sigma language for SIEM systems. Network development in Cisco Pocket Tracer. Solving easy task in Python. I researched all the tools that are described in the skills, configured, improved and reviewed. There is a profile with many completed tasks on TryhackMe I set up alerts in this system and analyzed the logs I have experience with various tools on Kali Linux I understand PAM systems I understand the working principle of IDS/IPS, WAF
Network Administration
Penetration TestingWiresharkNetwork Access ControlSplunkSOC 1Information Security - $20 hourly
- 0.0/5
- (0 jobs)
I maintain the current data center infrastructure, find problems and develop possible solutions to these problems. I have created tools to simplify the work of my colleagues and implemented additional services within the current infrastructure. I also deeply research RFC specifications (SMTP, HTTP, DNS, JWT, ACME, etc.) and create efficient implementations in programming languages.
Network Administration
Xen Project HypervisorHTTPContainerizationVirtualizationSQLNoSQL DatabaseNode.jsC++DHCPDNSTCP/IPDebianSystem AdministrationLinux - $4 hourly
- 0.0/5
- (0 jobs)
With more than 10 years of experience in system engineering, I have focused on DevOps, Linux, and related fields, including automation, scripting, and software development, over the last five years. - Kubernetes: Creating and maintaining a cluster based on K3s. - Helm: Developing and implementing charts for deployment across various environments. - Git: Working with repositories. - GitLab CI: Setting up continuous integration processes, and developing and implementing pipelines for different tasks. - Docker: Building and utilizing images for specific tasks. - Linux: Configuring and supporting the OS for various tasks (e.g., NFS, httpd, Squid, Ansible). - PostgreSQL: Utilizing databases for project needs. - Grafana + Prometheus + Loki: Implementing a stack for monitoring and log collection. - Terraform: Centralized infrastructure deployment. - Azure: Deploying environments in a cloud provider. - Docker Registry: Setting up local registries for project needs - OS: CentOS, Ubuntu Server, Windows Server 2008R2, Server 2012R2, 2016. - Linux: Apache, Squid, DHCP, iptables, VPN (L2TP, PPTP, OpenVPN), Ansible, Postfix. - Microsoft: ADFS, DNS, WSUS, WDS, Network Access Protection, Remote Desktop Services, experience in Active Directory, Group policies and Windows user management. - Virtualization: VMware vSphere Installation/configuration/support of ESX Servers, vSphere Client and vCenter Server, VMware Horizon, datastore creation, VMs and data storing and migration, deployment of Virtual Machines, clones, snapshots. - Backup: Veeam Backup and Replication, backup issue resolution. - Cloud: cloud infrastructure based on Profitbricks.com (API, Web), Office 365, Exchange, SharePoint. - Automation tools: Jenkins, Ansible, Git, scripts (bash, BAT, VBS, PowerShell). - Monitoring: InfluxDB+Grafana+Telegraf, Zabbix. - Network: Mikrotik, Ubiquiti, D-Link, HP. - VoIP: 3CX Phone System. - DB: MySQL, MSSQL.
Network Administration
GrafanaMicrosoft AzureDockerUbuntuCI/CDGitLabKubernetesLinux System AdministrationWindows AdministrationCentOS Want to browse more freelancers?
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