Hire the Best System Administrators
in Turkey

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Serdar M.

Istanbul, Turkey

$50/hr
5.0
2 jobs

I’m an experienced Email and Identity Management with 15+ years of hands-on experience helping businesses keep their systems secure, reliable, and running smoothly. I work across Microsoft 365, Azure, identity management, Windows Server, virtualization, and security, always with a practical focus on solving problems efficiently and minimizing disruption. ☁️🔐 Over the years, I’ve supported enterprise environments globally, led migrations, improved system security, and helped teams move to more modern and scalable IT setups. My goal is simple: make technology work better for your business, your users, and your long-term growth. 🚀 My approach is simple: 👉 Keep your systems available 👉 Improve security and control 👉 Reduce downtime and technical issues 👉 Provide dependable, proactive support What I Can Help With -------------- Cloud & Microsoft 365 -------------- Microsoft 365 / Office 365 administration Exchange Online setup and migration Azure cloud services and hybrid environments Identity and access management with Azure AD / Entra ID MFA, SSO, Conditional Access, and secure user access (Zero-Trust) Email security including SPF, DKIM, DMARC, and BIMI -------------- Infrastructure & Systems -------------- Windows Server administration and optimization Active Directory, DNS, DHCP, and Group Policy Remote Desktop Services and end-user environment support Backup and disaster recovery planning -------------- Security & Operations -------------- Server and identity hardening Threat monitoring and access control Data classification and Data protection security best practices (GDPR, Privacy, etc.) Long-term fixes that reduce recurring issues Reliable system maintenance and performance improvements -------------- Why Clients Work With Me -------------- 15+ years of enterprise IT expertise Strong experience with Microsoft 365, Azure, and infrastructure support Proven success with migrations, upgrades, and secure environments Clear communication and professional documentation Focused on practical solutions that save time and reduce stress Whether you need help with Microsoft 365 administration, Exchange Email migration, IAM (Identity Access Management), Windows Server support, or ongoing IT infrastructure management, I can help you build a stable and efficient environment. 🌍

  • System Administration
  • Information Security
  • User Identity Management
  • Microsoft Active Directory
  • Microsoft Exchange Server
  • Email
  • Email Management
  • Email Security
  • Email Spoofing Detection
  • Office 365
  • Microsoft Office
  • DNS
  • DHCP
  • Google Workspace Administration
  • Information Security Governance
  • IT Support
  • Email Support
  • Technical Support
  • Computer Engineering
  • Subject-Matter Expertise
Kerim K.

Istanbul, Turkey

$15/hr
5.0
1 jobs

I have experience with Linux and Unix-like systems, mostly focusing on the userland. I have several projects, the biggest of which is Kreato Linux, which is a modular Linux distribution. I am very experienced in the Nim programming language and also feel comfortable with Python. I also have experience with RHEL, Debian and some SUSE systems. I have also used technologies like Nix, Docker, Ansible, GitHub Actions, GitLab CI, Git, etc. Overall, I have a passion and experience working with Linux and other Unix-like systems, both in terms of managing and developing software for them. While my main career is focused on system administration, I can also do translation and software development.

  • System Administration
  • Linux
  • Linux System Administration
  • Red Hat Certified Engineer
  • Git
  • Docker
  • Debian
  • Unix
  • Python
  • Golang
  • Bash
  • DevOps Engineering
  • GitLab
  • Kubernetes
  • Red Hat Enterprise Linux
Rafael S.

Alanya, Turkey

$50/hr
4.7
50 jobs

Senior Java backend engineer with 20 years of production experience. I build and maintain cloud-native services with Java 21, Spring Boot 3, Quarkus and Kotlin — architecture, implementation, migrations and long-term support. Current focus: • Java / Quarkus / Spring Boot microservices • Kotlin backends • High-performance and safety-critical services in Rust when latency or correctness matter • PostgreSQL, REST APIs, Docker, Kubernetes, CI/CD What I do on a project: • Design architecture and own delivery from scratch or on an existing codebase • Migrate legacy Spring / monoliths to Quarkus or Spring Boot 3 • Review, fix and stabilize systems written by others • Work solo or inside a team, including production support Also experienced with Linux (Ubuntu, RHEL/Fedora), containers and virtualization (Docker, Kubernetes, LXC, KVM). Other languages (Go, Python, C/C++) are available when the backend requires them — they are not my primary offer. Prefer long-term collaboration. Open to companies and individual clients. Comfortable with NDA. Available 30–60 hours per week. Rate $50/hr.

  • Linux
  • Java
  • Spring Boot
  • Spring Framework
  • Kotlin
  • Rust
  • Microservice
  • PostgreSQL
  • REST API
  • Docker
  • Kubernetes
  • CI/CD
  • Micronaut
  • Jakarta EE
  • MongoDB
  • Golang
  • Amazon Web Services
  • Git
  • SQL
Emrah O.

Istanbul, Turkey

$50/hr
5.0
23 jobs

As a seasoned Cloud Administrator, I bring over 10+ years of hands-on experience in complex enterprise contexts, with a focus on Azure, Azure DevOps, Terraform, Github, Windows Server, (Active Directory, DNS, GPO, SCCM and all..), M365, Exchange and other administrative tools. Adept at planning, managing and troubleshooting Cloud Infrastructure and systems, providing services to more than 100,000 users. I have a proven track record of automating complex business processes, optimizing Microsoft licensing cost, stable change management and ensuring robust system security. An avid learner, I thrive on staying current with emerging technologies, especially in the realm of AI and DevOps. I am actively seeking a dynamic role that can leverage my strong skill set and experience. Previously, I served as a Windows 365 Subject Matter Expert at Microsoft, where I have had the opportunity to enhance my skills in Azure Virtual Machines, Microsoft Entra ID, Intune and Azure Virtual Networks. In addition to my technical responsibilities, I actively contribute to the creation of insights and feedback for the product. I do love my job and I will always find time to listen, give advice, and help you with your problems. I've worked biggest projects of my country, such as initial installation and monitoring of nationwide ip tv & VOD platform's datacenter's (Tivibu). Also had a chance to work in Airport De Paris and implemented many IT solutions both in Airport's datacenter worldwide and on Azure Cloud. Currently, working as a DevOps engineer in a Canadian company, provisioning Azure solutions with Terraform and Azure DevOps (CI/CD). Most of my experience is on Microsoft products, at the same time, I also follow Linux and the open source world, and I can produce pinpoint solutions.

  • Windows Server
  • Terraform
  • Microsoft Azure
  • Azure DevOps
  • Azure App Service
  • Microsoft Azure SQL Database
  • CI/CD
  • GitHub
  • Microsoft Azure Administration
  • Veeam
  • Kubernetes
  • Disaster Recovery
  • Web Server
  • DevOps
  • DevOps Engineering
  • Microsoft SCOM
  • VMware Administration
  • Web App Penetration Testing
  • Microsoft Hyper-V Server
  • Content Management System
Mamir K.

Istanbul, Turkey

$20/hr
5.0
28 jobs

⭐ Looking for a professional Youtube Video Editor and Post-Production expert? ⭐ 🆘 Your needs: Video Editing - Explainer Videos - Video Animation- Post-Production ✅ My solutions: My Skills - My Experience - Modern Techniques - Best Practices 📈 Your results: New Content - More Clients - Customers Loyalty - Business Growth 📙 MY EXPERIENCE • 6 Years - Video Editing and Post-Production • 6 Years - Photo Editing and Image Creation • 1 Year - AI Image and Video generation and Editing • 2 Years - Copyrighting 💎 PROJECTS & DELIVERABLES • Explainer & Product Videos (for website, presentation, social media, mobile app) • Commercial (webinar, zoom meeting, record, conference, B2B, SaaS) • Promotional & Marketing Ads (brand, company, business, eCommerce) • Presentation & Introduce Videos (product, project, start-up, service) • Social Media Clips & Advertising (youtube, Instagram, Facebook, TikTok, Snapchat) • Visual ADs 🛠 PROGRAMS & TOOLS • Adobe Premiere Pro (intro, outro, transition, sound, music, overlay, script, titles) • Adobe After Effects (animation, visual effects, overlays, tracking, motion graphics) • Adobe Photoshop (color, texture, image, picture, background, cut, crop, resize) • Adobe Audition (removing background noise, pitch, sound design) • Adobe Illustrator (creating visual ADs, illustrating images) • I am also proficient at creating AI video avatars, AI Audio Generation, AI models, AI lip Sync, generating image and video with various AI Video Generation platforms. (ChatGPT, Gemini, Claude, Deepseek, Elevenlabs, HeyGen, Canva, Synthesia, Kling AI, Runway, LipDub AI, Krea, Higgsfield AI etc.) • CapCut I am a fast learner, trusting myself and my skills. ⭐ Need fast delivery with a great result? Message me! ⭐

  • Color Grading
  • Adobe Premiere Pro
  • Video Editing
  • Adobe Photoshop
  • Adobe Lightroom
  • Social Media Management
  • Social Media Content
  • Marketing
  • English to Turkish Translation
  • Thumbnail
  • Background Removal
  • Translation
  • Audio Recording
  • Image Editing
  • AI Content Creation
Mehmet Tunahan C.

Istanbul, Turkey

$35/hr
4.1
20 jobs

Hello, I hope you're having a good day. I have been working as a Python developer and system administrator in the telecommunications and hosting industry for 10 years. I am new to Upwork and I am excited to work with you. Here are the topics that I have worked on previously and consider myself as a professional: - Python - Django - MySQL - PostgreSQL - MongoDB - Javascript - HTML - CSS - Devops Project topics that I have worked on: - Data scraper - Crm/Erp systems - Odoo - Rest API integration - Payment integration - Bot creator - LinkedIn scraper - İnstagram scraper - Twitter scraper - Telegram bot - Trading bot - AliExpress scraper I am waiting for your message for any questions you may have. Have a nice day.

  • Python
  • VMware Administration
  • SMS Gateway
  • PBX
  • RADIUS
  • PfSense
  • WordPress
  • MikroTik
  • Linux Professional Institute
  • cPanel
  • Asterisk
  • VoIP Administration
  • Senior Adult
  • MikroTik RouterOS
  • VMWare

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