Hire the best Linux System Administrators in Kolkata, IN

Check out Linux System Administrators in Kolkata, IN with the skills you need for your next job.
Clients rate Linux System Administrators
Rating is 4.8 out of 5.
4.8/5
based on 1,354 client reviews
  • $60 hourly
    I have 17+ years of IT experience in the area Application Development, Systems Integration, Production Support, Application Maintenance and QA projects. I have played the role of Project Manager, Project Lead, Business Analyst, Developer and QA. I have managed complete SDLC for medium sized development projects. I have business domain knowledge in the area of Automotive on-board telematics and IT systems, Pharma Relationship Marketing, Manufacturing Execution Systems and Work and Asset Management. I have actively implemented LEAN practices in Production support projects. My technical skills in Database consultancy/administration/development are as follows 1. Design and development of relational and NoSQL databases (Mysql, Oracle, MongoDB). Production support of Mysql and MongoDB databases. 2. Migrating existing databases to Mysql, Oracle and MongoDB. 3. Configuring monitoring and alerts for database servers. 4. Develop business layer applications in PL/SQL / Mysql procedures and UNIX. 5. Setup and support Mysql HA database cluster in single primary or multi primary mode without changes to your data or tables. 6. Setup and support Mysql master-slave replication for backups and failover. 7. Automated Point-in-time recovery of Mysql databases. 8. Performance tune databases like Mysql and Oracle. My programming language skills include 1. PHP 2. C 3. PL/SQL 4. Mysql stored procedures 5. UNIX Shell scripting My technical skills in REST API/Web Services consultancy/development are as follows 1. Creating high performance, scabale, standards compliant and secure RESTful API for backend and business logic processing as microservices or in monolithic service architecture. My technical skills in System/Devops consultancy/administration are as follows 1. Create solution architecture for Cloud and On-Premise infrastructure based on free and open source software stack. 2. Containerize Mysql and other servers using Docker and/or LXC. 3. Deploying LXC containers to create extremely lightweight and tightly packed virtualized environments to isolate, secure and streamline your IT operations. Running LXC containers have near zero performance penalty. 4. Install and configure QEMU-KVM virtual machines with full inter VM and external networking support, 3D graphics acceleration for GUI based administration. 5. Performance tune and secure your LAMP/LEMP and other application stack. 6. Deploying directory servers like OpenLDAP, designing DIT, configuring LDAP access control, indexing, replication and single sign-on. 7. Setup in-memory databases like Memcached or a persistent in-memory database Mysql Memcached plugin for caching or sessions. 8. Setup and maintain secure Email servers using Postfix, Dovecot, Courier IMAP, maildrop, Spamassasin, ClamAV, milters, DKIM, SPF, DMARC and Roundcube webmail. 9. Maintenance and administration of Linux servers like setting up firewall, webservers, mail servers, ldap servers, imap servers, automating system admin tasks using shell scripts, applying security updates, install and uninstall of software packages. 10. Setup of Jenkins for CI/CD of complex project workflows. 11. VPN setup ( IKE/IPSec and OpenVPN )
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    NoSQL Database
    Relational Database
    Database
    PHP
    API
    DevOps
    RESTful API
    MongoDB
    MySQL
    High Availability and Disaster Recovery
    Web Services Development
    Solution Architecture
    Amazon Web Services
    Google Cloud Platform
  • $25 hourly
    🏆 8+ Years of Professional Experience, Centos, Ubuntu, Debian, Redhat, AlmaLinux, Rocky Linux, CloudLinux, Suse, Windows, Mac Systems & Network Administration. 🏆 8+ Years Professional Experience, Apache, Nginx, LIghtspeed, MySQL, MariaDB, MongoDB, Postgresql, DNS, SMTP, FTP, SSH, File-Server. 🏆 6+ Years Professional Experience, AWS, GCP, Azure, Digital Ocean, Liniode, Ionos, Hetzner, Alibaba, Namecheap, Bluehost. 🏆 Email Deliverability expert, Email migration expert, Server migration specialist, Server optimization expert 🏆 Certified Kubernetes Administrator. 🏆 Certified cPanel/WHM/Plesk & Linux Administrator 🏆 Docker, K8S, Ansible, Terraform, Chef, Jenkins. 🏆 PowerShell, Python, Bash. 🏆 Security, SSL, Firewall, Malware, Cloudflare, Sucri, WAF, VPN. 🏆 Server / Websites Optimization. 🏆 WordPress, Magento, Laravel, NodeJs, NextJs, CraftCMS, vBulletin, Xenforo, WHMCS. 🏆 vSphere, Hyper-V, Citrix, Proxmox. 🏆 Malware Removal / WordPress Secure. 🏆 Speed Issues Troubleshooting. 🏆 Email, EOP, ATP, DKIM, DMARC, SPF records, Email encryption, gSuite, Office365.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    CI/CD
    NGINX
    Technical Support
    Database Administration
    Server Administration
    SSL
    OpenVPN
    Python Script
    Bash Programming
    Cloud Migration
    Email
    Cloud Computing
    DevOps
    System Administration
  • $35 hourly
    I am a Sr. Database consultant with more than eleven years of experience. I have broad experience in the areas of various database system namely; Oracle , MySQL , MSSQL , PostgreSQL etc. Recently I have been recognized with the Oracle Ace Associate award issued by Oracle Ace Program. I am also contributing to the oracle community since 2014 by posting various technical posts related to databases, EBS, Fusion Middleware https://dbasoumya[.]blogspot[.]com/ In the past years, I have been helping customers in implementing and configuring different versions of the Database, with capacity planning for their database and formulation of varying deployment architecture. Technical Skills: • Experience as a Database Administrator and Exadata Database machine administrator in Oracle/ Mysql / MSSQL on Linux, AIX , Solaris & Windows Platform. • Database High Availability and Disaster Recovery • Conversant with Oracle Fusion Middleware • Expert in various oracle data migration strategies like export-import, RMAN, cross-platform migration using Transportable Tablespace, etc. • Extensive experience as Oracle Application Technical Administrator in implementation, upgrade and customization of Oracle E-Business Suite Applications (R12, 11i). • Expert in Database Administration, RAC , Data Guard, Backup, and recovery • Expert as APPS DBA in EBS R 12, 11i. Certifications • Oracle Cloud Infrastructure 2019 Certified Professional • Oracle Cloud Infrastructure 2019 Certified Architect Associate • Oracle Autonomous Database Cloud 2019 Certified Specialist • Oracle Exadata Database Machine and Cloud Service 2017 Implementation Essentials • Oracle Certified Professional 11g • Oracle Certified Professional 10g • Oracle Certified Expert, Oracle 12c RAC & Grid Infrastructure Administrator • R.H.C.E (Certificate id-805010539748098) Ping me on telegram @callmesoumya Or call / whatsapp at +91 9830569464
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Oracle Application Server
    Oracle Forms
    Database Management
    Oracle Upgrade
    Oracle Data Guard
    Oracle RAC
    Oracle E-Business Suite
    Oracle WebLogic Server
    ETL
    Oracle Database
  • $20 hourly
    🚀 Experienced WordPress Developer & Digital Marketer | SEO Expert |PPC Manager| IT System Administrator | Website Security Enthusiast 👋 Welcome to my profile! I'm Vinay, a results-driven and multi-talented freelancer with a passion for creating stunning WordPress websites, optimizing them for search engines, and securing them against cyber threats. With a diverse skill set that spans across web development, digital marketing, IT system administration, and website security, I'm your one-stop solution for all your online needs. What I Can Do for You: 🌐 WordPress Web Development & Design: I specialize in crafting beautiful and functional WordPress websites that not only look great but also provide a seamless user experience. From custom themes to e-commerce solutions, I can turn your vision into a reality. 🔍 SEO & Local SEO: Search engine optimization is my forte. I'll optimize your website to rank higher in search engine results, ensuring your target audience can find you easily. Whether you're a local business or a global brand, I'll boost your online visibility. 📈 Digital Marketing: I understand the power of digital marketing. With a focus on data-driven strategies, I can help you create effective online marketing campaigns to increase your brand's reach, engagement, and conversion rates. 💼 IT System Administration: Ensuring the reliability and security of your IT infrastructure is essential. I have the expertise to manage your systems, networks, and servers, keeping everything running smoothly and securely. 🛡️ Website Security: Cybersecurity is a top priority. I'll implement robust security measures to protect your website from threats and vulnerabilities, giving you peace of mind and safeguarding your online assets. Why Choose Me: 🌟 Expertise & Experience: With 25 years in the industry, I have a proven track record of delivering exceptional results for clients in various niches. 💡 Innovative Solutions: I stay up to date with the latest industry trends and technologies to provide innovative solutions tailored to your needs. 🤝 Client-Centric: I believe in open communication and collaboration. Your satisfaction is my ultimate goal, and I'll work closely with you to achieve it. 🔐 Safety First: I take website security seriously. Your data and online presence are in safe hands with me. 📊 Results-Driven: My strategies are data-backed, ensuring measurable and tangible outcomes for your business. Ready to take your online presence to the next level? Let's connect and discuss how I can assist you in achieving your web development, digital marketing, and IT goals.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    SSL Certificate
    Google My Business Listing
    WordPress Landing Page
    Google My Business Optimization
    WordPress Security
    WordPress Migration
    WordPress Multisite
    Google Cloud Platform
    Cloudflare
    Amazon ECS
    Local SEO
    Looker Studio
    Search Engine Optimization
    Google Analytics
  • $13 hourly
    -> 12+yrs Experience on Joomla & its extension customization, extension development -> 8+yrs Experience on VirtueMart & its extension development & customization. -> Work on latest builds of Joomla & Virtuemart. -> Monitor & troubleshoot several online shop running on VM. -> 14+yrs Experience on Linux Server Administration -> 4+yrs Experience on Hadoop Cluster installation/configuration/administration including YARN, HBase, Hive, Spark2 etc from remote/local on Linux using Apache Ambari/Cloudera.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    YARN
    Joomla Migration
    VirtueMart
    HDFS
    Apache Hadoop
    HTML5
    JavaScript
    MySQL
    Joomla
    Apache Spark
    HTML
    PHP
    Web Development
  • $25 hourly
    Multi-Cloud Expert (AWS, AZURE, GCS) UNIX/Linux Systems and Network Administrator with strong experience managing server infrastructures and data-center operations across Unix, Linux, Windows and Mac OS X platforms. Effectively plan, install, configure and optimize IT infrastructures to achieve high availability and performance. Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Kubernetes
    Amazon S3
    AWS CloudFront
    Docker
    Container
    Terraform
    CI/CD
    AWS Systems Manager
    AWS CloudFormation
    AWS Lambda
    Load Balancing
    Jenkins
    LAN Administration
    Amazon Web Services
  • $50 hourly
    Bridging the gap between hardware and software to create intelligent solutions with a specialization in IoT product development
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Google Cloud Platform
    AWS IoT Core
    Firmware Programming
    Data Engineering
    Python
    Node.js
    Operating Systems Development
    Internet of Things Solutions Design
    Zigbee
    Bluetooth
    Raspberry Pi
    Embedded C
    Internet of Things
    Docker
  • $35 hourly
    Linux Administrator | Networking & Cloud Computing Expert With over 7 years of hands-on experience as a skilled Linux Administrator, I bring a strong background in networking and cloud computing to your project. I am proficient in a range of Linux distributions, scripting languages, and cloud platforms, ensuring your systems run smoothly and efficiently. Key Skills: Red Hat Certified System Administrator (RHCSA) Expertise in various Linux distributions Proficient in scripting languages (Bash, Python, etc.) Extensive experience with cloud platforms (AWS, Azure, Google Cloud, IBM Cloud) Strong networking knowledge and security measures implementation Professional Experience: In my current role, I manage and troubleshoot Linux systems, implement robust network infrastructures, and ensure security protocols are in place. My comprehensive understanding of Linux environments and my ability to adapt to new challenges make me a valuable asset to any team. I am seeking new opportunities to leverage my expertise, grow my skills, and contribute to the success of dynamic organizations. If you need a reliable, experienced Linux Administrator dedicated to maintaining and optimizing your systems, let's connect and discuss how I can help you achieve your goals. What I Offer: System maintenance and troubleshooting Network infrastructure implementation Security measures and protocols Cloud computing solutions Scripting and automation Let’s work together to keep your systems secure, efficient, and ahead of the curve.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Computing & Networking
    Automation
    Ansible
    Terraform
    Cloud Computing
    Linux
  • $20 hourly
    I have 12 years of experience in web development. I initially started my career working on PHP. I then explored Databases like MySQL and Mongo DB. I cached things with Redis and Memcache. Pushed code with Git. Worked on plain vanilla JavaScript. After that moved to Node.js and Express.js. Acquainted with AWS, DevOps(Git, Jenkins, SonarQube, Spinnaker, ArgoCD, Docker, Kubernetes, Openshift), Microservice, Serverless, and Nginx web servers. Developed code in Angular and React. At present, writing a lot of JS code (client and server). Before starting freelancing, I was associated with big tech companies and developed many enterprise-level software. Please contact me if you want to know more about my competency. I am sure you will be with the right person, trust me.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Terraform
    API
    Laravel
    Git
    Node.js
    Web Development
    PHP
    Docker
    Amazon DynamoDB
    Kubernetes
    MongoDB
    AWS Lambda
    Golang
    Python
  • $25 hourly
    Over 15+ years of experience in Information Technology with expertise in Configuration/Release/Build Management on Windows and various Linux distributions like Red Hat Linux, CentOS, Ubuntu, etc. Hands-on experience in CI/CD pipeline with Travis-CI, Jenkins, and Gitlab. Hands-on experience in architechtural deployment with Terraform and Ansible. Hands-on experience in Docker and Kubernetes. Proficient in AWS services like VPC, EC2, ECR, ECS, EKS, S3, ELB, AutoScalingGroups(ASG), EBS, RDS, IAM, WAF, Elastic Load Balancing(ELB), CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail. Deploying, managing, and operating scalable, highly available, and fault-tolerant systems on AWS
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    AWS Fargate
    Data Migration
    AWS Server Migration
    AWS CloudFront
    Amazon Cognito
    Jenkins
    AWS Systems Manager
    Amazon S3
    Google Cloud Platform Administration
    AWS Application
    Terraform
    Amazon EC2
    Amazon ECS for Kubernetes
    AWS CloudFormation
  • $20 hourly
    Self thought proven software developer with 6+ years of experience in full-stack development & Linux Server administration. My skillsets includes : - Node.js - React-native - React.js, - Next.js - PHP - WordPress - WebRTC, - Sockets - Agora - Terraform - AWS - Oracle Cloud - MongoDB - SQL - and last but not least html/css. What I can guarantee you is timely delivery of your project, everything I make or build is crafted with care and scalability in mind. So anyone can take over from my projects in future and expand it even more.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    React Native
    MySQL Programming
    Technical Support
    cPanel
    React
    Web Development
    WordPress
    JavaScript
    Node.js
    PHP
    HTML
    CSS
  • $15 hourly
    I am ambitious and Hard worker constantly set goals for myself, so I have something to strive towards.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Network Engineering
    Tech & IT
    Computer Network
    Data Analytics
  • $10 hourly
    Career Objective: To maximize my inner potential and convert it into growth and see myself as one of the best in field of Information Technology and achieve excellence in near future with team work. My ambition is to gain challenging work experience in your organization where I can be a part of the growth of a dynamic and innovative organization.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Microsoft Excel
    Tech & IT
    Procure-to-Pay
    Microsoft Word
    Procurement
    IT Procurement
  • $10 hourly
    As a Network & System Administrator, I have extensive experience in managing and maintaining both physical and virtual environments. I am well-versed in Microsoft Project, Amazon EC2, and other Infrastructure as a Service (IaaS) solutions, and I have a proven track record of delivering reliable and scalable systems that meet the needs of businesses across a wide range of industries. In my role as a Network & System Administrator, I have designed and implemented complex network topologies, including VLANs, VPNs, and firewalls, and have deployed and managed servers and workstations running a variety of operating systems, including Windows, Linux, and macOS. I have also developed proficiency in cloud technologies, such as AWS, Azure, and Google Cloud, and have experience in configuring and managing infrastructure on these platforms. My expertise in Microsoft Project allows me to effectively manage projects, from the planning stage through to implementation and ongoing maintenance. I have experience in developing project schedules, tracking progress, and managing resources, and can help ensure that projects are completed on time and within budget. With a focus on security, reliability, and scalability, I am committed to delivering high-quality systems that meet the needs of businesses of all sizes. Whether you are looking to migrate to the cloud, improve your network security, or implement a new project management system, I have the skills and experience needed to help you succeed.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    MySQL
    SQL Injection Mitigation
    Ethical Hacking
    Kali Linux
    Metasploit
    Cloud Computing
    GitHub
    DevOps
    Docker
    CI/CD
    Apache Spark
    Amazon Web Services
    Python
    Microsoft Azure
  • $20 hourly
    I’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. 1.Knows HTML and CSS3, PHP, jQuery, WordPress and SEO 2.Full project management from start to finish 3.Regular communication is important to me, so let’s keep in touch.
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Java
    Python Script
    Data Entry
    Video Editing & Production
    Python
    C
    C#
    C++
    CSS
    HTML
    Linux
    Video Post-Editing
    Video Editing
  • $13 hourly
    I have a diverse background in website development that can be used to meet your company's immediate and long-term needs. With the unique perspective of a small business owner, I am a versatile and analytical thinker with strong interpersonal skills. I also have extensive experience in working successfully with international agencies.I am therefore respectfully requesting a personal interview. I feel confident that a frank, in-person discussion will determine if a compatible environment exists for a future relationship. I would welcome this opportunity and assure you that this would be time well spent. In advance, I thank you for your consideration and look forward to meeting with you in the near future.Best RegardsRudra
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    JSON
    Bootstrap
    jQuery
    AJAX
    MySQL Programming
    JavaScript
    Laminas
    PHP
    MySQL
    Database Design
    CodeIgniter
  • $10 hourly
    I am a Linux Expert and Devops Engineer who provides comprehensive support and maintenance for clients, developing automation tools and services
    vsuc_fltilesrefresh_TrophyIcon Linux System Administration
    Linux
    DevOps
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by

How do I hire a Linux System Administrator near Kolkata, on Upwork?

You can hire a Linux System Administrator near Kolkata, on Upwork in four simple steps:

  • Create a job post tailored to your Linux System Administrator project scope. We’ll walk you through the process step by step.
  • Browse top Linux System Administrator talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Linux System Administrator profiles and interview.
  • Hire the right Linux System Administrator for your project from Upwork, the world’s largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Linux System Administrator?

Rates charged by Linux System Administrators on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Linux System Administrator near Kolkata, on Upwork?

As the world’s work marketplace, we connect highly-skilled freelance Linux System Administrators and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Linux System Administrator team you need to succeed.

Can I hire a Linux System Administrator near Kolkata, within 24 hours on Upwork?

Depending on availability and the quality of your job post, it’s entirely possible to sign up for Upwork and receive Linux System Administrator proposals within 24 hours of posting a job description.