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Hire the best CentOS Developers in Sri Lanka

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  • $35 hourly
    • 4.5/5
    • (223 jobs)
    ***A few of the client reviews about the past projects.*** ⭐⭐⭐⭐⭐ "Udantha was GREAT! He was VERY knowledgeable of everything Server related and was able to fix my Hacked server in a short amount of time! Will recommend him to anyone looking for quality, professional work done for their business..." ⭐⭐⭐⭐⭐"Udantha is extremely talented and has completed all jobs successfully without any complication. He is the complete package, understands instructions, and finds the solution to complete tasks. thanks" ⭐⭐⭐⭐⭐"He is a very skilled and helpful freelancer. I needed to fix issues on my server urgently. He responded quickly and fixed the issues. Highly recommended" ⭐⭐⭐⭐⭐ "I have worked with Udantha Chandimal multiple times and am very satisfied with his work each project we have worked on. Highly recommend him to others." ***My experiences*** I'm an Experienced Systems Engineer with a demonstrated history of working in the IT industry. Skilled in pfSense, RedHat Linux, Windows. Strong information technology professional with a BSc (Hons) in Information Technology Specializing in Computer Systems & Network Engineering Web Hosting Experience ✅ Installing paid/free control panels ✅ Web hosting with or without control panels ✅ Server/Website Rescues ✅ Website migration ✅ SSL Configurations (With autorenewal) System engineering experience. ✅ Administrating an environment of 40,000+ servers (Linux+Windows). ✅ Experience in communication with global stakeholders. ✅ Global monthly OS patching. ✅ OS troubleshooting - Linux (LDAP, SSSD, NFS, CIFS, etc...) ✅ Server Hardening. ✅ Performance tuning and monitoring. ✅ Practice in the ITIL standards. Other Experience ✅ Hands-on experience in installing and configuring firewalls (pfSense): Clustering, DHCP, DNS, Captive Portal, Multi-WAN load balancing, VPN (IPSec, OpenVPN) implementation. ✅ Analyzed intricate server issues and supported large enterprise and business-critical applications. ✅ Determined and resolved bugs and other issues regarding project requirements in a timely fashion.
    Featured Skill CentOS
    AWS CloudFront
    DigitalOcean
    Web Server
    Red Hat Certified Engineer
    HTTP
    Ubuntu
    Cisco Certified Network Associate
    Cloudflare
    NGINX
    VPN
    PfSense
    Odoo
    SSH
    MySQL
  • $15 hourly
    • 4.9/5
    • (76 jobs)
    Skilled in multiple technologies, including: Java (including JavaFX) | Angular SpringBoot | JavaScript PHP (Laravel, Code Igniter) | Python Node | AppleScript | Android | Bash Seeking challenging and fascinating work opportunities. Extensive expertise in: 1. Automation & Scraping: Leveraging Selenium and Playwright. 2. Full-stack Development: Creating desktop (macOS and Windows) and web applications. 3. Linux Server Administration: Proficient in setup, migrations, and ongoing management. 4. Cloud Services: Proficiency across AWS, Digital Ocean, Google, Akamai, Heroku, and OpenShift. 5. API Integration: Experience with Google, Yahoo, Amazon, eBay, Twilio, Vonage, and more. 6. Innovative SEO Tools: Developing solutions to enhance search engine optimization. My work history speaks volumes about my capabilities. Take a moment to review it for a comprehensive understanding of my skills and experience.
    Featured Skill CentOS
    NGINX
    Angular
    Laravel
    Web Development
    PHP
    WordPress
    Linux System Administration
    Heroku
    Scripting
    Web Crawling
    HTML
    CodeIgniter
    Apache HTTP Server
    Data Scraping
    DigitalOcean
    Automation
    Java
    JavaScript
    MySQL
  • $50 hourly
    • 5.0/5
    • (8 jobs)
    Former a Solution Architect: Planned, designed, developed, deployed, and monitored VOIP solutions including GENESYS, ASTERISK, Amazon Connect, 3CX, VICIDIAL, KAMAILIO, FreeSWITCH and OPENSWITCH across various projects (Malaysia Airlines, Sri Lanka Airlines and Hutch contact centre) Certified in GENESYS ENGAGE on-premises Contact Center Solution. Hold a Bachelor of Computer System and Network Engineering. Also, having expertise and experience in the following skills DATABASE (MSSQL, MYSQL, ORACLE), CLOUD (AWS, GOOGLE, ORACLE), VIRTUALIZATION (VMWare, Hyper-V), SYSTEMS (WINDOWS, LINUX) Programming (PHP, PYTHON).
    Featured Skill CentOS
    FreePBX
    Microsoft SQL Server
    MySQL
    API Integration
    VoIP Administration
    Asterisk
    VoIP
    Tech & IT
    Solution Architecture
    Linux System Administration
    VoIP Software
    VICIDIAL
    Session Initiation Protocol
    Linux
  • $40 hourly
    • 5.0/5
    • (5 jobs)
    Experienced and certified Cloud and Linux engineer with experience and focus on Linux, Cloud technologies and open source software. Proficient in a wide variety of fields. Skills include deploying, migrating and managing server infrastructure, improving work efficiency by automating operational tasks using scripting and configuration management tools. Driven to learn new technologies and apply the knowledge in real world cases. I am enthused by working with new technologies and developing and implementing cutting edge solutions for optimal content delivery with minimal resources. Enthusiast and certified engineer in Amazon AWS cloud. Has demonstrated history of working in the education management industry and hospitality industry. System engineering experience - • Administer 5000+ Linux and Windows servers across multiple data centers in EMEA, US and APAC regions with maximum up time. • Perform server management tasks using configuration and automation tools like Puppet, BMC BladeLogic. • Automate and script repetitive tasks. • Work with security teams to remediate security vulnerabilities across the server state. • OS troubleshooting - LDAP/AD/DNS/Permissions • Server Hardening • Practice the ITIL standards. • Server patching and vulnerability analysis.
    Featured Skill CentOS
    Amazon EC2
    SSL
    Unix Shell
    Puppet Administration
    Web Server
    Linux System Administration
    Python
    Vulnerability Assessment
    Apache HTTP Server
    Windows Server
    Amazon Web Services
    Linux
    Ubuntu
    Microsoft Windows
  • $6 hourly
    • 0.0/5
    • (0 jobs)
    I have a clear, logical mind, a pragmatic approach to problem-solving, and the drive to see things through to completion. I am self-motivated, determined, and highly driven. Network administrator with years of experience and a track record of success. In addition to learning about Red Hat Linux, Amazon Web Services (AWS), Microsoft Azure Cloud Services, and Oracle Cloud, I'm also really interested in learning about cloud computing, network administration, network security, and cloud infrastructure. Strong information technology professional with an ESOFT Metro Campus Pearson BTEC Higher National Diploma with a Computer Science concentration.
    Featured Skill CentOS
    Computer Hardware
    Information Technology
    Microsoft Windows
    Computer Network
    Amazon EC2
    Linux
    Proxmox VE
    Cloud Computing
    Rackspace
    Azure DevOps
    AWS Development
    VMWare
    IT Infrastructure
    Network Monitoring
    System Monitoring
    Grafana
    Nagios Core
    DevOps
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