Hire the best System Administrators in Istanbul, TR
Check out System Administrators in Istanbul, TR with the skills you need for your next job.
- $60 hourly
- 5.0/5
- (4 jobs)
I have 25 years of experience in software industry. Expecially I trust my own python language and linux os systems.
System Administration
FlaskJavaScriptLaravelDjangoPythonPHPCentOSLinuxDebianUbuntuScriptingWebRTCLinux System Administration - $40 hourly
- 5.0/5
- (72 jobs)
4 years of professional senior support engineer role for Microsoft support has gave me a chance to support middle to large companies and schools for their business needs and learn. In the last 3 years - I'm focused on providing the data and the document migration support where I can call myself an expert now! I can help your organization to move. I migrate mailboxes "From" and/or "To" ├── Google Workspace (Gmail) ├── Exchange Online (M365) ├── IMAP server(hosting mail server) ├── Goddady-Hosted Microsoft 365 ├── Hosted Exchange on-prem ├── GroupWise ├── Lotus Notes ├── Zimbra ├── Google Groups ├── Microsoft 365 Groups ├── Microsoft 365 Shared Mailbox ├── Public Folders from Microsoft 365 ├── Public Folders from Hosted Exchange on-prem ├── M365 Personal Archives and more.. I migrate documents "From" and/or "To" ├── Dropbox ├── Google Drive ├── One Drive ├── SharePoint ├── Google Shared Drives ├── Microsoft Teams contact me for more..
System Administration
Microsoft Exchange ServerGoogle WorkspaceMicrosoft AzureData MigrationOffice 365Email DeliverabilityMicrosoft Active DirectoryTechnical SupportGoogle Cloud PlatformMicrosoft Exchange Online - $50 hourly
- 5.0/5
- (2 jobs)
I'm a network and systems security engineer with programming skills. I have experience in enterprise networks of large organizations, especially in finance sector. I have been involved in and often lead software projects for network and infrastructure security. I can help you with: Designing and configuring your network/infrastructure with emphasis on security (Linux, Windows, Docker, Virtualization, NGINX etc.) Solving problems about your existing network/infrastructure Accomplishing and automating any task with Python
System Administration
Cybersecurity ManagementPythonAPIDockerLinux - $80 hourly
- 5.0/5
- (9 jobs)
I am a highly motivated and experienced consultant with a passion for technology and a broad range of skills in cybersecurity, network and system administration, automation, data engineering, and scripting. With over 7 years of experience in these fields, I have a deep understanding of the latest technologies and best practices, and I am able to provide expert guidance and support to clients of all sizes and industries. I have a proven track record of delivering high-quality work that meets clients' needs and exceeds their expectations, and I am committed to ensuring that each and every client is fully satisfied with the results. Whether you're looking to improve the security of your network, automate repetitive tasks, or build a scalable data pipeline, I have the skills and experience to help you achieve your goals. In addition to my technical expertise, I am a strong communicator and collaborator, and I always strive to work closely with clients to understand their needs and deliver solutions that meet their unique requirements. If you're looking for a consultant who can provide expert support in the areas of cybersecurity, network and system administration, automation, data engineering, and scripting, I would be honored to discuss your project with you. Don't hesitate to get in touch to learn more about my services and how I can help you succeed.
System Administration
Network MonitoringDevOpsNetwork AdministrationAPIVulnerability AssessmentSystem SecurityAutomationLinux System AdministrationPenetration TestingBig DataRed HatCPythonLinux - $15 hourly
- 5.0/5
- (2 jobs)
I'm a system administrator for virtualizations systems, backup systems and Microsoft products. If you take any problems in that systems, I'll be glad to help you.
System Administration
Windows AdministrationMicrosoft Hyper-V ServerWindows 7 AdministrationWindows 8 AdministrationWindows 11 AdministrationWindows 10 AdministrationVeeamVMware AdministrationMicrosoft WindowsWindows ServerMicrosoft Active Directory - $20 hourly
- 5.0/5
- (8 jobs)
I have 8 years of experience in different fields of Information Technologies. My focuses are on the following topics: + Network Engineering I'm in network engineering field since 2016. I worked with datacenter networks. I worked with protocols such as PPP, PPPoE, iBGP-eBGP, OSPF, MPLS, VRF, VRRP, NAT, IPv4, IPv6, DHCP, VLAN, IPsec, GRE Tunnels, IPIP Tunnels, SD-WAN, SNMP. I have experience in designing the architecture for low voltage cabling such as Cat5, Cat6, Single and Multimode Fibre. I can set-up, configure and maintain all kinds of stateful firewalls and setup firewall or NAT rules. + System Administration I'm in Linux System Administration field since 2017. I worked with linux distros such as CentOS, AlmaLinux, RockyLinux, RHEL, Ubuntu, Debian. I also provide cybersecurity compliance checks if necessary on the systems that I work with. I can do system hardening or patching to secure systems. I used to manage servers which runs webservers such as Apache HTTPD, Nginx, Squid Proxy, HAProxy. I integrated websites with WAF and CDN services to protect against DoS-DDoS attacks or optimise the delivery of static and dynamic content with services such as CloudFlare and DDoS-Guard. I administrated database servers whose run relational or non-relational databases such as MySQL, MariaDB, PostgreSQL, Redis. + Cyber Security I'm in Cyber Security field since 2019. I worked on several penetration testing projects, worked on reverse engineering projects, cyber security compliance consulting and cyber security training of students and companies. + Application Development I can develop websites, API endpoints, command line applications with PHP, Python. I have entry level knowledge on JavaScript.
System Administration
Linux System AdministrationCloud ArchitectureVMWareIPv6OSPFMultiprotocol BGPMikroTikFortiGate FirewallNetwork EngineeringComputer NetworkComputing & NetworkingInformation TechnologyCybersecurity ManagementSystem Security - $50 hourly
- 0.0/5
- (0 jobs)
I have extensive experience with VMware technologies, including vSphere, vCenter, and ESXi, and hold certifications in Datacenter and Desktop Virtualization, along with VCAP for Datacenter Virtualization. With over three years of hands-on experience in virtualization, I have worked on advanced projects involving technologies like SR-IOV. Additionally, I have a strong background in managing Windows servers, covering installation, configuration, and administration. I also provide support for OS installations, firmware updates, and troubleshooting on physical servers. My expertise allows me to contribute effectively to various virtualization and infrastructure projects.
System Administration
VMware PowerCLIServer & Virtualization SoftwareDNSMicrosoft Active DirectoryWindows ServerVMWareVirtual Desktop InfrastructureServer VirtualizationProblem SolvingArchitectureInformation SecurityComputer Network - $40 hourly
- 0.0/5
- (3 jobs)
I deliver scalable and modular solutions to clients. I specialize in designing and developing industrial IoT solutions with a focus on LoRaWAN. I create end-to-end solutions, handling everything from deployment to ongoing maintenance. I work extensively with Raspberry Pi and other embedded devices and am experienced in system integration, network operations, data pipeline construction, application development, and server configurations. I also provide consulting on Amazon Web Services and other IT infrastructure.
System Administration
Edge AISolution ArchitectureWide Area NetworkLoRaAmazon Web ServicesAWS IoT CoreIndustrial AutomationInternet of Things SoftwareInternet of Things Solutions DesignSystem Installation & UpgradesApplication IntegrationManufacturingIndustrial Internet of ThingsInternet of Things - $75 hourly
- 0.0/5
- (0 jobs)
Results-oriented Senior DevOps Engineer with 5+ years of experience. Proven ability to optimize software delivery pipelines and infrastructure through automation. Achieved $700k annual savings in infrastructure costs. Expertise in DevOps best practices, Agile methodologies (Scrum), and clear documentation practices.
System Administration
Google Cloud PlatformGitHubAzure DevOpsMicrosoft AzureAmazon Web ServicesCloud EngineeringCloud ArchitectureKubernetesTerraformDevOps - $20 hourly
- 0.0/5
- (0 jobs)
I am programming Web Site and custom Web Applications for small and mid-size companies with c# language for ten years.
System Administration
ReactBootstrapMicrosoft SQL ServerSQLjQueryJavaScriptASP.NET Web APIASP.NET CoreC# - $50 hourly
- 0.0/5
- (0 jobs)
’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help. Knows HTML and CSS3, PHP, jQuery, Wordpress, and SEO Full project management from start to finish Regular communication is important to me, so let’s keep in touch
System Administration
Computing & NetworkingComputer NetworkAdministrateNetwork Engineering - $6 hourly
- 0.0/5
- (0 jobs)
My Vodafone Experience: Vodafone Turkey, Istanbul (Turkey) - Izmir - Esenyurt Mercury DC Transformation Program - I worked in the management of Windows-based hardware and software infrastructure at Vodafone Turkey Installation and configuration of our corporate applications running on Windows Server 2003/2008/2012/2016/2019/2022 systems, I worked to ensure that these systems work 7x24 by installing and configuring Vmware Infrastructure Cluster structures. Kültür University Experience: I worked on the operation of existing systems in the IT department. Active Directory, user and group management, file server authorizations, print server management. Operational work required for virtual servers to work effectively in a 22-node Vmware cluster system. Logo Experience: I worked on the operation of Vmware Cluster systems in the SRE (Service Relaibility Engineering) department. I installed and managed Ubuntu and CentOS operating systems on these hosts, managed Active Directory users and groups, and provided file server authorizations and management.
System Administration
Academic EditingProofreading - $100 hourly
- 0.0/5
- (0 jobs)
25+ years expert on IT industry,linux administrator and microsoft Os server edition installstion and implementation on projects
System Administration
ComplianceComputer NetworkNetwork EngineeringInformation SecurityComputing & Networking - $20 hourly
- 0.0/5
- (0 jobs)
In the networking domain, I have worked with switching, routing, VLAN, NAT, and wireless configurations. In the security field, I have managed firewall configurations, primarily with FortiGate, including policy setups, LAGP, static routing, SSL VPN, and IPSec Tunnel implementations to maintain network infrastructure. To further enhance my expertise in this area, I obtained the Cisco CCNA certification in 2024. I continue to develop my skills in Python, Java, Unix systems, and networking while sharing my experiences on various social platforms.
System Administration
ComplianceInformation SecurityNetwork EngineeringComputing & NetworkingComputer Network - $20 hourly
- 0.0/5
- (0 jobs)
Profile To secure a challenging position as a Cyber Security Expert or Network Engineer in a dynamic organization where my skills and expertise can be effectively utilized for the development and growth of the organization. I am an accomplished professional with extensive experience in Cyber Security and Network Engineering, including designing, implementing, and maintaining secure networks. My expertise in threat analysis, risk management, and security assessments will be an asset to any organization seeking to enhance their cyber defenses.
System Administration
Server AdministrationNetwork Penetration TestingNetwork MonitoringNetwork DesignNetwork AdministrationPenetration TestingProxmox VESystem Installation & UpgradesSystem MonitoringLinux System AdministrationServer & Virtualization SoftwareInformation SecurityNetwork EngineeringComputer Network - $25 hourly
- 0.0/5
- (0 jobs)
Küçük ve orta ölçekli işletmeler için web sitesi oluşturma konusunda deneyimli bir geliştiriciyim. İster iş kazanmaya, ister hizmetlerinizi listelemeye veya yeni bir çevrimiçi mağaza oluşturmaya çalışıyor olun, size yardımcı olabilirim.
System Administration
ArchitectureProblem SolvingNetwork EngineeringComputing & NetworkingComputer Network - $35 hourly
- 0.0/5
- (0 jobs)
"Hello! I'm Mert. I have extensive experience in social media management, and a strategic approach is fundamental to me. I am an expert in understanding social media platform algorithms and increasing brands' impact through strategic maneuvers. -Pyhton,JavaScript,C,C++ -Social Media Managment My aim is to create original and compelling content for brands, intending to establish profound connections with target audiences. I've successfully utilized my analytical skills to optimize content strategies by using data. I trust my achievements in comprehending social media algorithms and fortifying brands' digital presence through strategic actions. Apart from social media management, I also possess a comprehensive background in software and cyber security. My experience in cybersecurity encompasses a wide range of areas including network security, penetration testing, and identification and closure of security vulnerabilities. I have confidence in my deep knowledge of identifying and resolving security vulnerabilities. I've particularly specialized in penetration testing and acquired vast experience in identifying security weaknesses for various organizations. In terms of my software development and programming skills, I am focused on systems programming and software development. I have experience in developing applications focused on data security using various programming languages such as Python, C++, Java, and Node.js. If you're looking to strengthen your brand presence on social media platforms, establish a more effective connection with your target audience, or need assistance in software and cyber security domains, I am eagerly looking forward to working with you on these fronts!"
System Administration
Web DesignWebsiteC++PythonSoftware DevelopmentSocial Media Account SetupSystem SecuritySocial Media WebsiteCybersecurity ManagementSocial Media ManagementCybersecurity ToolSoftware - $10 hourly
- 0.0/5
- (0 jobs)
As an IT Manager at Huda Anerican School, I lead the IT department in ensuring the stability, security, and efficiency of the Internet and IT systems across the organization. I have over 5 years of experience in IT management, and I hold ITIL and Google Certificates in IT Support and WorkSpace Administration. My mission is to make a quantum leap in the educational and technological process and facilitate it for everyone. I have successfully transformed the institution into a green one that minimizes paper use and maximizes digital solutions. I have also implemented and maintained the school administration system, the books system, and the educational curriculum, as well as the devices, smartboards, and Google WorkSpace accounts for students, teachers, and administrators. My goal is to spread technological and security awareness among all stakeholders in the institution and to develop the technical environment and infrastructure to meet the current and future needs.
System Administration
ComplianceInformation SecurityNetwork EngineeringComputing & NetworkingComputer Network - $25 hourly
- 0.0/5
- (1 job)
Have a good communications skills. Ability to solve problems quickly. Solve-complex problems. Resolving problems on technologies outside my expertise. Earned several vendor certifications ( Microsoft , Cisco , EXIN, CWNP ). Technical Skills : Operating Systems and Networking Linux : Red Hat, Ubuntu GUI only TCP/IP networking and related services (DNS, DHCP, routing, ..) Microsoft Windows NT4, 2000, XP, VISTA, WIN7, WIN 8.1 , Win 10 Apple : Mavericks , Yosemite , El Capitan, Sierra, High Sierra Virtualisation Platforms VMWare Sun VirtualBox Microsoft Hyper Virtual Server Applications Windows Server Systems: from 2000 till 2019 Security ISA 2004, ISA 2006 , TMG , Sophos, Barracuda. Virtual Private Networking PPTP, IPSec, SSH, SSL, OpenVPN, ACS .. Network and Vulnerability scanning (Nessus, Wireshark, nmap, GFI, ..) Symantec Anti-Virus, Kaspersky Network Management, Monitoring & Deployment Monitoring: Nagios, Spiceworks, Managengine PXE boot & Wireshark Backup & recovery Symantec/Veritas Backup Exec, Arcserve backup Acronis Wireless LAN CISCO AP, CISCO WLC, ARUBA , XIRRUS, Aerohive, TP-Link, UBiQUiTi , EnGenius. BSS , ESS , DS. Design Indoor/ Outdoor Network, Site Survey. IEEE 802.11 Desktop Applications Windows Server Based Computing (Terminal Services, Citrix, desktop management, ..) Gnome Desktop environments, Ubuntu Desktop system E-mail solution Microsoft Exchange & Outlook Google G-Suite Microsoft Office 365
System Administration
Microsoft OutlookWeb HostingBitrix24Windows 11 AdministrationGoogle Workspace AdministrationTechnical TranslationWordPressGame TestingManaged ServicesComputer NetworkDesktop SupportTechnical Support - $20 hourly
- 0.0/5
- (0 jobs)
I’m a developer experienced in building websites for small and medium-sized businesses. I have 3 years of experience in system administration. I am very experienced in server installation, application installation and maintenance. I am also very close to network and cyber security areas. Actually, I am a software engineer. I can also develop projects in the software field.
System Administration
HTML5ScriptNGINXUbuntuComputing & NetworkingCSSC#ZabbixApache KafkaNetwork EngineeringComputer Network - $25 hourly
- 0.0/5
- (0 jobs)
Hello. I have 10 years of experience in system and network management. I want to serve you with this experience.
System Administration
Information SecurityNetwork EngineeringComputing & NetworkingComputer Network - $6 hourly
- 0.0/5
- (0 jobs)
Küçük ve orta ölçekli işletmeler için web siteleri , sosyal medya yönetimi ürün reklamlama konusunda deneyimliyim. Data entery.
System Administration
Computer NetworkComputing & NetworkingDatabase ManagementDatabase Want to browse more freelancers?
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