Available for freelance · 24x7 support

Hi, I'm Sahil Kataria

root@skadmin:~$ Linux Server Administrator

Freelance Server Admin & DevOps Engineer. I set up, secure and optimise infrastructure across AWS, Azure, Google Cloud, DigitalOcean and on-premises servers.

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Sahil Kataria
AWS CertifiedSolutions Architect – Associate
about_me

Reliable infrastructure, delivered on time.

Hello, I'm an AWS Certified Solutions Architect – Associate and DevOps Engineer from India. I hold a Master's degree in Software Engineering and am a RedHat Certified Engineer. I believe in quality work and focus on client satisfaction. I'm quick to respond and deliver on time.

I work as a full-time freelance Server Admin providing 24x7 support, with AWS, Google Cloud, DigitalOcean, Microsoft Azure, on-premises servers and other web hosting. My expertise is infrastructure setup, server security, performance and cost optimisation.

My experience covers web hosting, mail servers, database servers, DNS management, automation with Bash scripting, and continuous integration & deployment.

LinkedIn Profile
2010In production since
200+Projects completed
150+Happy clients
24x7On-call support
AWS Solutions Architect – AssociateRedHat Certified Engineer (RHCE)Master's in Software Engineering
services

What I can do for you

From a single VPS to multi-cloud Kubernetes clusters, I build it, secure it, monitor it and keep costs under control.

Server Administration

Setting up Ubuntu, CentOS, Debian and RedHat servers with the applications you need. Configuring web frontends and backends with optimisation and security hardening, monitoring with Nagios, Zabbix and Bash scripts, and LAMP/LEMP stacks for Magento, Joomla, WordPress and Node.js with multiple PHP versions.

  • WebApache / Nginx, multi-PHP
  • DatabaseMySQL / MariaDB, MongoDB, Postgres
  • MailPostfix, Exim, Sendmail + clients
  • MonitoringNagios, Zabbix, Bash scripting
  • PanelsWHM/cPanel, Plesk, Virtualmin, DirectAdmin

Cloud Administration

Working with AWS, Microsoft Azure, DigitalOcean, Google Cloud, Rackspace and others: Linux servers, managed databases like RDS, load balancers, DNS, CDN and mail services like SES. I cut cloud costs by designing properly sized, optimised infrastructure.

  • AWSEC2, RDS, CloudFront, SES, Route 53, EBS, CloudWatch, ELB, IAM, awscli
  • DigitalOceanDroplets, DB clusters, Kubernetes, DNS, doctl
  • Google CloudCompute Engine, IAM, GPU servers, gcloud
  • CDNCloudflare caching & security

DevOps Engineering

Docker containers to build and deploy frontend and backend apps. Ansible for Infrastructure as Code across cloud providers. Kubernetes clusters for autoscaling, plus Bitbucket and GitHub pipelines for automated builds and deployments.

  • ContainersDocker, Kubernetes
  • IaCAnsible
  • CI / CDJenkins, Bitbucket Pipelines, GitHub
skills

Toolbox

The stack I work with every day.

Systems

LAMP / LEMPMail ServerDatabase ServerWHM / Plesk / VirtualminUbuntuCentOS / RHELDebian

Security & Ops

Server SecuritySSL / TLSBackup / RestoreServer OptimisationNagiosZabbix

Cloud

AWSAzureGoogle CloudDigitalOceanCloudflare

DevOps

Bash ScriptingGit / BitbucketDockerKubernetesAnsibleJenkins
experience

Where I've worked

Over a decade of keeping servers fast, secure and online.

Server Administrator / DevOps Engineer

2014 – Present
Freelancer

Setting up and managing infrastructure across AWS, Microsoft Azure, DigitalOcean and Google Cloud, with expertise in web, database and mail server setup. Always exploring new DevOps tooling.

DevOps Engineer

2017 – Present
Strayos

Contract role managing the complete infrastructure across multiple cloud providers. Supporting developers with continuous integration and deployment on Bitbucket, and running an image analysis tool with orchestration to save cost.

Cloud & DevOps Consultant

2017 – Present
OMANGOM

Managing cloud infrastructure, CI/CD pipelines and 24x7 Linux server support for OMANGOM's client projects across AWS, Google Cloud and Azure.

Linux Server Administrator

2014 – 2017
Emizentech Pvt. Ltd.

Set up complete infrastructure end to end and managed client servers: Apache/Nginx web servers, database and mail servers. Set up and monitored 30+ servers, and handled Magento, WordPress and Joomla installation, patches and upgrades.

Server Admin

2010 – 2012
Eperium Business Solution India

Web server setup, SSL security, optimisation and Nagios monitoring. Configured the Openfire messenger, supported 100+ developers with web application management, and set up Jenkins for automated builds and deployment.

testimonials

What my clients say

Feedback from clients, partners and colleagues I've worked with.

Sahil is a fantastic professional in his work and customer service! One can get a freelancer like him only in a dream. It's good luck for me to get him in real life, especially in the deep jungle of FL "professionals". His attitude in work, service, quality, overall everything is TOP class ++
Abba KhanCEO, Primdeal Pvt. Ltd.
It was a great honour for me to work with Sahil. I learned a lot from him in both personal and professional life. His experience with Linux servers and DevOps is great, and he's always ready to learn new technology. He is very responsible and reliable, and available on weekends for urgent tasks. He is a great business partner and I look forward to working together for a long time.
Balvinder SinghLinux Server Admin | Freelancer
My experience working with Sahil has been great. He is a passionate professional with a strong DevOps engineering skillset, and he picks up new technologies quickly. Sahil would be an asset to any organisation. I enjoyed working with Sahil.
Karunakar TiwariCEO & Co-Founder, OMANGOM
We worked with Sahil on various projects to manage our Linux-based servers. Sahil was the best among the developers we have worked with in the past. I recommend Sahil for your future projects.
Rahul PatelCRM Evangelist | Founder of a technology company
We hired Sahil for our server-related tasks on AWS. His experience there became an added advantage for our organisation. He is great to work with, very responsive and reliable. For urgent tasks he made himself available even on weekends. We highly recommend him!
Atoshi MondalUpwork client, Paylesspromotions.com.au
Sahil was very good and fast in delivering the changes that were requested, and committed to the project. I recommend him and would work on more projects with him.
Mangal SinghMagento Developer
Extraordinary professional! It has been an honour to work with someone of his calibre. He is deliberate with his logic and implements with great attention to every detail. For me, one of his most important skills is his ability to self-manage and keep our projects moving forward regardless of my availability. I am humbled to have worked with someone of such high integrity and so committed to our mutual success. A truly great business partner.
Ashish SaxenaProject Consultant, Nirvign Web Solutions
Had a very good experience with Sahil. He saved our self-hosted Jira on DigitalOcean and helped fix a huge spam issue with an old Magento site. Very professional, sent regular status updates and delivered good quality.
Alex SchmidtUpwork client
Sahil is a good Server Administrator with wide-ranging experience in Linux server administration.
Amit SamsukhaCEO & Director, Emizentech Pvt. Ltd.
contact

Let's keep your servers running.

Need a new setup, a migration, a security audit or someone on call 24x7? Get in touch.

sahil@skadmin: ~
$ cat contact.conf
email    = [email protected]
mobile   = +91-9982848870
whatsapp = +91-9982848870
hours    = Mon–Fri 9 AM – 7 PM IST
on_call  = 24x7
$
Email[email protected]
Call or WhatsApp+91-9982848870
Office hoursMonday – Friday: 9 AM to 7 PMAvailable 24x7 on call
Office addressNew Abadi Street No. 2, Hanumangarh Town, Hanumangarh, Rajasthan, India – 335513