DevOps Engineer

About the Role

We are looking for a skilled and dedicated FreeSWITCH Engineer with hands-on experience in VoIP systems. You will play a key role in developing, configuring, and maintaining scalable and reliable FreeSWITCH-based voice infrastructures. This is a onsite role based in Gurugram location.

Key Responsibilities

• Design, deploy, and maintain FreeSWITCH servers and related VoIP infrastructure.
• Troubleshoot and resolve FreeSWITCH and VoIP-related issues.
• Develop custom dial plans, modules, and call routing logic.
• Work with SIP, RTP, and related VoIP protocols.
• Monitor system performance and ensure high availability.
• Collaborate with development, network, and support teams to optimize voice systems.
• Document configurations, workflows, and system changes.

Requirements

• Minimum 3 years of hands-on experience with FreeSWITCH in a production environment.
• Strong understanding of VoIP technologies and SIP protocol.
• Experience with Linux system administration.
• Familiarity with scripting languages (Bash, Python, Lua).
• Ability to work independently in a remote setup.
• Strong problem-solving and analytical skills.

Preferred Skills

• Experience with other VoIP platforms (Asterisk, Kamailio, OpenSIPS).
• Knowledge of WebRTC, RTP engines, or media servers.
• Exposure to monitoring tools (Grafana, Prometheus, Nagios).
• Familiarity with APIs and backend integration.

Why Join Us?

• Collaborative and supportive team environment.
• Opportunity to work on innovative VoIP solutions at scale.

DevOps Engineer

AiSensy  

Gurugram, Haryana, India (On-site)

About AiSensy

AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco., Wipro, Asian Paints, India Today Group Skullcandy, Vivo, Physicswallah, Cosco grow their revenues via WhatsApp.

• Enabling 100,000+ Businesses with WhatsApp Engagement & Marketing
• 400Crores + WhatsApp Messages done between Businesses and Users via AiSensy per year
• Working with top brands like Delhi Transport Corporation, Vivo, Physicswallah & more
• High Impact as Businesses drive 25-80% Revenues using AiSensy Platform
• Mission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Now, we’re looking for a DevOps Engineer to help scale our infrastructure and optimize performance for millions of users. 🚀

What You’ll Do (Key Responsibilities)

🔹 CI/CD & Automation:

• Implement, manage, and optimize CI/CD pipelines using AWS CodePipeline, GitHub Actions, or Jenkins.
• Automate deployment processes to improve efficiency and reduce downtime.

🔹 Infrastructure Management:

• Use Terraform, Ansible, Chef, Puppet, or Pulumi to manage infrastructure as code.
• Deploy and maintain Dockerized applications on Kubernetes clusters for scalability.

🔹 Cloud & Security:

• Work extensively with AWS (Preferred) or other cloud platforms to build and maintain cloud infrastructure.
• Optimize cloud costs and ensure security best practices are in place.

🔹 Monitoring & Troubleshooting:

• Set up and manage monitoring tools like CloudWatch, Prometheus, Datadog, New Relic, or Grafana to track system performance and uptime.
• Proactively identify and resolve infrastructure-related issues.

🔹 Scripting & Automation:

• Use Python or Bash scripting to automate repetitive DevOps tasks.
• Build internal tools for system health monitoring, logging, and debugging.

What We’re Looking For (Must-Have Skills)

✅ Version Control: Proficiency in Git (GitLab / GitHub / Bitbucket)

✅ CI/CD Tools: Hands-on experience with AWS CodePipeline, GitHub Actions, or Jenkins

✅ Infrastructure as Code: Strong knowledge of Terraform, Ansible, Chef, or Pulumi

✅ Containerization & Orchestration: Experience with Docker & Kubernetes

✅ Cloud Expertise: Hands-on experience with AWS (Preferred) or other cloud providers

✅ Monitoring & Alerting: Familiarity with CloudWatch, Prometheus, Datadog, or Grafana

✅ Scripting Knowledge: Python or Bash for automation

Bonus Skills (Good to Have, Not Mandatory)

➕ AWS Certifications: Solutions Architect, DevOps Engineer, Security, Networking

➕ Experience with Microsoft/Linux/F5 Technologies

➕ Hands-on knowledge of Database servers

we’d love to speak with you. Skills and Qualifications:

Strong experience with continuous integration/continuous deployment (CI/CD) pipeline tools such as Jenkins, TravisCI, or GitLab CI.

Proficiency in scripting languages such as Python, Bash, or Ruby.

Knowledge of infrastructure automation tools such as Ansible, Puppet, or Terraform.

Experience with cloud platforms such as AWS, Azure, or GCP.

Knowledge of container orchestration tools such as Docker, Kubernetes, or OpenShift.

Experience with version control systems such as Git.

Familiarity with Agile methodologies and practices.

Understanding of networking concepts and principles.

Knowledge of database technologies such as MySQL, MongoDB, or PostgreSQL.

Good understanding of security and data protection principles.

Roles and responsibilities:

● Building and setting up new development tools and infrastructure

● Working on ways to automate and improve development and release processes

● Deploy updates and fixes

● Helping to ensure information security best practices

● Provide Level 2 technical support

● Perform root cause analysis for production errors

● Investigate and resolve technical issues

1. Proficiency in Python , Django and Other Allied Frameworks;
2. Expert in designing UI/UX interfaces;
3. Expert in testing, troubleshooting, debugging and problem solving;
4. Basic knowledge of SEO;
5. Good communication;
6. Team building and good acumen;
7. Ability to perform; 
8. Continuous learning

• 2+ years work experience in a DevOps or similar role
• Knowledge of OO programming and concepts (Java, C++, C#, Python)
• A drive towards automating repetitive tasks (e.g., scripting via Bash, Python, etc)
• Fluency in one or more scripting languages such as Python or Ruby.
• Familiarity with Microservice-based architectures
• Practical experience with Docker containerization and clustering (Kubernetes/ECS)
• In-depth, hands-on experience with Linux, networking, server, and cloud architectures.
• Experience with CI/CD tools Azure DevOps, AWS cloud formation, Lamda functions, Jenkins, and Ansible
• Experience with AWS, Azure, or another cloud PaaS provider.
• Solid understanding of configuration, deployment, management, and maintenance of large cloud-hosted systems; including auto-scaling, monitoring, performance tuning, troubleshooting, and disaster recovery
• Proficiency with source control, continuous integration, and testing pipelines
  
• Effective communication skills

• Deploy and maintain critical applications on cloud-native microservices architecture.
• Implement automation, effective monitoring, and infrastructure-as-code.
• Deploy and maintain CI/CD pipelines across multiple environments.
• Streamline the software development lifecycle by identifying pain points and productivity barriers and determining ways to resolve them.
• Analyze how customers are using the platform and help drive continuous improvement.
• Support and work alongside a cross-functional engineering team on the latest technologies.
• Iterate on best practices to increase the quality & velocity of deployments.
• Sustain and improve the process of knowledge sharing throughout the engineering team
• Identification and prioritization of technical debt that risks instability or creates wasteful operational toil.
• Own daily operational goals with the team.

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.

• Own the end-to-end infrastructure of Sibros Cloud
• Define and introduce security best practices, identify gaps in infrastructure and come up with solutions
• Design and implement tools and software to manage Sibros’ infrastructure
• Stay hands-on, write and review code and documentation, debug and root cause issues in production environment

• Experience in Infrastructure as Code (IaC) to manage multi-cloud environments using cloud agnostic tools like Terraform or Ansible
• Passionate about security and have good understanding of industry best practices
• Experience in programming languages like Python, Golang, and enjoying automating everything using code
• Good skills and intuition on root cause issues in production environment

• Experience in database and network management
• Experience in defining security policies and best practices
• Experience in managing a large scale multi cloud environment
• Knowledge of SOC, GDPR or ISO 27001 security compliance standards is a plus

Sibros is committed to a policy of equal employment opportunity. We recruit, employ, train, compensate, and promote without regard to race, color, age, sex, ancestry, marital status, religion, national origin, disability, sexual orientation, veteran status, present or past history of mental disability, genetic information or any other classification protected by state or federal law.