Kubernetes Engineer - Freelancer

We are hiring a Senior DevOps Engineer (5–10 years experience) with strong hands-on expertise in AWS, CI/CD, Docker, Kubernetes, and Linux. The role involves designing, automating, and managing scalable cloud infrastructure and deployment pipelines. Experience with Terraform/Ansible, monitoring tools, and security best practices is required. Immediate joiners preferred.

Requirements

Core skills:

● Strong background in Linux / Unix Administration and

troubleshooting

● Experience with AWS (ideally including some of the following:

VPC, Lambda, EC2, Elastic Cache, Route53, SNS, Cloudwatch,

Cloudfront, Redshift, Open search, ELK etc.)

● Experience with Infra Automation and Orchestration tools

including Terraform, Packer, Helm, Ansible.

● Hands on Experience on container technologies like Docker,

Kubernetes/EKS, Gitlab and Jenkins as Pipeline.

● Experience in one or more of Groovy, Perl, Python, Go or

scripting experience in Shell.

● Good understanding of with Continuous Integration(CI) and

Continuous Deployment(CD) pipelines using tools like Jenkins,

FlexCD, ArgoCD, Spinnaker etc

● Working knowledge of key value stores, database technologies

(SQL and NoSQL), Mongo, mySQL

● Experience with application monitoring tools like Prometheus,

Grafana, APM tools like NewRelic, Datadog, Pinpoint

● Good exposure on middleware components like ELK, Redis, Kafka

and IOT based systems including Redis, NewRelic, Akamai,

Apache / Nginx, ELK, Grafana, Prometheus etc

Good to have:

● Prior experience in Logistics, Payment and IOT based applications

● Experience in unmanaged mongoDB cluster, automations &

operations, analytics

● Write procedures for backup and disaster recovery

Core Experience

● 3-5 years of hands-on DevOps experience

● 2+ years of hands-on Kubernetes experience

● 3+ years of Cloud Platform experience with special focus on

Lambda, R53, SNS, Cloudfront, Cloudwatch, Elastic Beanstalk,

RDS, Open Search, EC2, Security tools

● 2+ years of scripting experience in Python/Go, shell

● 2+ years of familiarity with CI/CD, Git, IaC, Monitoring, and

Logging tools

About Us -Celebal Technologies is a premier software services company in the field of Data Science, Big Data and Enterprise Cloud. Celebal Technologies helps you to discover the competitive advantage by employing intelligent data solutions using cutting-edge technology solutions that can bring massive value to your organization. The core offerings are around "Data to Intelligence", wherein we leverage data to extract intelligence and patterns thereby facilitating smarter and quicker decision making for clients. With Celebal Technologies, who understands the core value of modern analytics over the enterprise, we help the business in improving business intelligence and more data-driven in architecting solutions.

Key Responsibilities

•        As a part of the DevOps team, you will be responsible for configuration, optimization, documentation, and support of the CI/CD components.

•        Creating and managing build and release pipelines with Azure DevOps and Jenkins.

•        Assist in planning and reviewing application architecture and design to promote an efficient deployment process.

•        Troubleshoot server performance issues & handle the continuous integration system.

•        Automate infrastructure provisioning using ARM Templates and Terraform.

•        Monitor and Support deployment, Cloud-based and On-premises Infrastructure.

•        Diagnose and develop root cause solutions for failures and performance issues in the production environment.

•        Deploy and manage Infrastructure for production applications

•        Configure security best practices for application and infrastructure

Essential Requirements

•        Good hands-on experience with cloud platforms like Azure, AWS & GCP. (Preferably Azure)

•        Strong knowledge of CI/CD principles.

•        Strong work experience with CI/CD implementation tools like Azure DevOps, Team city, Octopus Deploy, AWS Code Deploy, and Jenkins.

•        Experience of writing automation scripts with PowerShell, Bash, Python, etc.

•        GitHub, JIRA, Confluence, and Continuous Integration (CI) system.

•        Understanding of secure DevOps practices

Good to Have -

•        Knowledge of scripting languages such as PowerShell, Bash

•        Experience with project management and workflow tools such as Agile, Jira, Scrum/Kanban, etc.

•        Experience with Build technologies and cloud services. (Jenkins, TeamCity, Azure DevOps, Bamboo, AWS Code Deploy)

•        Strong communication skills and ability to explain protocol and processes with team and management.

•        Must be able to handle multiple tasks and adapt to a constantly changing environment.

•        Must have a good understanding of SDLC.

•        Knowledge of Linux, Windows server, Monitoring tools, and Shell scripting.

•        Self-motivated; demonstrating the ability to achieve in technologies with minimal supervision.

•        Organized, flexible, and analytical ability to solve problems creatively.

• Building and setting up new development tools and infrastructure
• Understanding the needs of stakeholders and conveying this to developers
• Working on ways to automate and improve development and release
  processes
• Testing and examining code written by others and analyzing results
• Ensuring that systems are safe and secure against cybersecurity
  threats
• Identifying technical problems and developing software updates and ‘fixes’
• Working with software developers and software engineers to ensure that development follows established processes and works as intended
• Planning out projects and being involved in project management decisions
  
  

• BE / MCA / B.Sc-IT / B.Tech in Computer Science or a related field.
• 4+ years of overall development experience.
• Strong understanding of cloud deployment and setup
• Hands-on experience with tools like Jenkins, Gradle etc.
• Deploy updates and fixes
• Provide Level 2 technical support
• Build tools to reduce occurrences of errors and improve customer experience
• Perform root cause analysis for production errors
• Investigate and resolve technical issues
• Develop scripts to automate deployment
• Design procedures for system troubleshooting and maintenance
• Skills and Qualifications
• Proficient with git and git workflows
• Working knowledge of databases and SQL
• Problem-solving attitude
• Collaborative team spirit

Role : SRE

Experience : 4 - 8 Years

• Experience in building, deploying and operating cloud solutions on Kubernetes
• Strong expertise administrating and scaling Kubernetes on bare metal and CKA preferred
• Expertise on K8s Interfaces CNI, CSI, CRI and Service meshe
• Hands-on experience as a DevOps or Automation development
• Demonstrable knowledge of TCP/IP, Linux operating system internals, filesystems, disk/storage technologies and storage protocols.
• Experience working with Helm Charts and building out Infrastructure As Code (IaC)
• Experience in writing software to automate orchestration tasks at scale; we commonly use Python, Go, and Shell scripting
• Knowledge of systems (Linux, GNU tooling), networking (OSI model, DNS, routing) and virtualization vs containerization
• Expertise in CI/CD tooling for cloud-based applications specifically Terraform / CloudFormation, Jenkins and Git
• Architected CNF Orchestration with Kubernetes
• Strong understanding of the principles of 12-factor apps and modern containerized microservices
• Plan for reliability by designing systems to work across our multi-region and multi-cloud environments
• Experience developing and using Application & Integration stacks/tools such as Kafka, Spring Cloud, Apache Camel, Kubernetes, Docker, Redis, Knative, and NoSQL

This person MUST have:

• Min of 3-5 prior experience as a DevOps Engineer.
• Expertise in CI/CD pipeline maintenance and enhancement specifically Jenkins based pipelines.
• Working experience with engineering tools like git, git work flow, bitbucket, JIRA etc
• Hands-on experience deploying and managing infrastructure with CloudFormation/Terraform
• Experience managing AWS infrastructure
• Hands on experience of Linux administration.
• Basic understanding of Kubernetes/Docker orchestration
• Works closely with engineering team for day to day activities
• Manges existing infrastructure/Pipelines/Engineering tools (On Prem or  AWS) for engineering team (Build servers/Jenkin nodes etc.)
• Works with engineering team for new config required for infra like replicating the setups, adding new resources etc.
• Works closely with engineering team for improving existing pipelines for build .
• Troubleshoots problems across infrastructure/services

Experience:

• Min 5-7  year experience

Location

• Remotely, anywhere in India

Timings:

• 40 hours a week (11 AM to 7 PM).

Position:

• Full time/Direct
• We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
• We dont believe in locking in people with large notice periods.  You will stay here because you love the company.  We have only a 15 days notice period.

DevOps Engineer

Company Introduction 

https://www.cometchat.com/">CometChat harnesses the power of chat by helping thousands of businesses around the world create customized in-app messaging experiences. Our products allow developers to seamlessly add voice, video and text chat to their websites and mobile apps so that their users can communicate with each other, resulting in a unified customer experience, increased engagement and retention, and revenue growth.

In 2019, CometChat was selected into the exclusive Techstars Boulder Accelerator. CometChat (Industry CPaaS: communication-platform-as-a-service) has also been listed among the top 10 best SaaS companies by G2 Crowd. With solid financials, strong organic growth and increasing interest in developer tool-focused companies (from the market and with top technical talent), we’re heading into an exciting period of growth and acceleration. https://www.crunchbase.com/organization/cometchat">CometChat is backed by seasoned investors such as iSeed Ventures, Range Ventures, Silicon Badia, eonCapital and Matchstick Ventures.

A global business from the start, we have 60+  team members across our Denver and Mumbai offices serving over 50,000 customers around the world. We’ve had an exciting journey so far, and we know this is just the beginning!

CometChat’s Mission

Enable meaningful connections between real people in an increasingly digital world.

CometChat’s Products

CometChat offers a robust suite of cloud hosted text, voice and video options that meet businesses where they are–whether they need drag and drop plugins that can be ready within 30 minutes or if they want more advanced features and can invest development resources to launch the experience that will best serve their users. 

● Quickly build a reliable & full featured chat experience into any mobile or web app

● Fully customizable SDKs and API designed to help companies ship faster

At every step, CometChat helps customers solve complex infrastructure, performance and security challenges, regardless of the platform. But there is so much more! With over 20 ready to use extensions, customers can build an experience and get the data, analysis and insights they need to drive their business forward.

 CometChat’s solutions are perfect for every kind of chat including:

● Social community – Allowing people in online communities to interact without moving the conversation to another platform

● Marketplace – Enabling communications between buyers and sellers

● Events – Bringing thousands of users together to interact without diminishing the quality of the experience

● Telemedicine – Making connections between patients and providers more accessible

● Dating – Keeping people engaged while they connect with one another

● And more!

CometChat is committed to fostering a culture of innovation & collaboration. Our people are our strength so we respect and nurture their individual talent and potential. Join us if you are looking to be a part of a high growth team!

Position Overview & Priorities:

The DevOps Engineer will be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems and software using Infrastructure as Code. This can include the provision of cloud instances, streamlining deployments, configuring virtual instances, scaling out DB servers.

Primary responsibility would be:

• Oversight of all server environments, from Dev through Production.
• Work on an infrastructure that is 100% on AWS.
• Work on CI/CD tooling which is used to build and deploy code to our cloud.
• Assist with day-to-day issue management.
• Work on internal tooling which simplifies workflows.
• Research, design and implement solutions for fault tolerance, monitoring, performance enhancement, capacity optimization, and configuration management of systems and applications.

Work Location:

We operate on a Hybrid model – you choose where you work from! Remotely or from our offices. Currently, our talent is spread across 14 different cities globally.

Prioritized Experiences and Capabilities:

• 2-4 years of experience working as a DevOps Engineer/currently practicing DevOps methodology
• Experience in AWS Infrastructure
• Hands-on experience with Infrastructure as Code (Cloud Formation / Terraform, Puppet / Chef / Ansible)
• Strong background in Linux/Unix Administration
• DevOps automation with CI/CD, a pipeline that enforces proper versioning and branching practices
• Experience in Docker and Kubernetes.

Required Skills and Experience 

• 4+ years of relevant experience with DevOps tools Jenkins, Ansible, Chef etc
• 4+ years of experience in continuous integration/deployment and software tools development experience with Python and shell scripts etc
• Building and running Docker images and deployment on Amazon ECS
• Working with AWS services (EC2, S3, ELB, VPC, RDS, Cloudwatch, ECS, ECR, EKS)
• Knowledge and experience working with container technologies such as Docker and Amazon ECS, EKS, Kubernetes
• Experience with source code and configuration management tools such as Git, Bitbucket, and Maven
• Ability to work with and support Linux environments (Ubuntu, Amazon Linux, CentOS)
• Knowledge and experience in cloud orchestration tools such as AWS Cloudformation/Terraform etc
• Experience with implementing "infrastructure as code", “pipeline as code” and "security as code" to enable continuous integration and delivery
• Understanding of IAM, RBAC, NACLs, and KMS
• Good communication skills

Good to have:

• Strong understanding of security concepts, methodologies and apply them such as SSH, public key encryption, access credentials, certificates etc.
• Knowledge of database administration such as MongoDB.
• Knowledge of maintaining and using tools such as Jira, Bitbucket, Confluence.
• Work with Leads and Architects in designing and implementation of technical infrastructure, platform, and tools to support modern best practices and facilitate the efficiency of our development teams through automation, CI/CD pipelines, and ease of access and performance.
• Establish and promote DevOps thinking, guidelines, best practices, and standards.
• Contribute to architectural discussions, Agile software development process improvement, and DevOps best practices.