
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.

Similar jobs
● Good understanding of how the web works
● Experience with at least one language like Java, Python etc
● Good with Shell scripting
● Experience with *Nix based operating systems
● Experience with k8s, containers
● Fairly good understanding of AWS/GCP/Azure
● Troubleshoot and fix outages and performance issues in infrastructure stack
● Identify gap and design automation tools for all feasible functions in infrastructure
● Good verbal and written communication skills
● Drive SLA/SLO of team
Benefits
This is an opportunity to work on a fairly complex set of systems and improve
them. You will get a chance to learn things like “how to think about code
simplicity”, “how to write for maintainability” and several other things.
● Comprehensive health insurance policy.
● Flexible working hours and a very friendly work environment.
● Flexibility to work either in the office (post Covid) or remotely.
Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.
Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we secured a “Series-D” funding.
Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀. Do you think you have what it takes to help us achieve this? Find Out Below!
What will you do?
• Define the overall process, which includes building a team for DevOps activities and ensuring that infrastructure changes are reviewed from an architecture and security perspective
• Create standardized tooling and templates for development teams to create CI/CD pipelines
• Ensure infrastructure is created and maintained using terraform
• Work with various stakeholders to design and implement infrastructure changes to support new feature sets in various product lines.
• Maintain transparency and clear visibility of costs associated with various product verticals, environments and work with stakeholders to plan for optimization and implementation
• Spearhead continuous experimenting and innovating initiatives to optimize the infrastructure in terms of uptime, availability, latency and costs
You should apply, if you
1. Are a seasoned Veteran: Have managed infrastructure at scale running web apps, microservices, and data pipelines using tools and languages like JavaScript(NodeJS), Go, Python, Java, Erlang, Elixir, C++ or Ruby (experience in any one of them is enough)
2. Are a Mr. Perfectionist: You have a strong bias for automation and taking the time to think about the right way to solve a problem versus quick fixes or band-aids.
3. Bring your A-Game: Have hands-on experience and ability to design/implement infrastructure with GCP services like Compute, Database, Storage, Load Balancers, API Gateway, Service Mesh, Firewalls, Message Brokers, Monitoring, Logging and experience in setting up backups, patching and DR planning
4. Are up with the times: Have expertise in one or more cloud platforms (Amazon WebServices or Google Cloud Platform or Microsoft Azure), and have experience in creating and managing infrastructure completely through Terraform kind of tool
5. Have it all on your fingertips: Have experience building CI/CD pipeline using Jenkins, Docker for applications majorly running on Kubernetes. Hands-on experience in managing and troubleshooting applications running on K8s
6. Have nailed the data storage game: Good knowledge of Relational and NoSQL databases (MySQL,Mongo, BigQuery, Cassandra…)
7. Bring that extra zing: Have the ability to program/script is and strong fundamentals in Linux and Networking.
8. Know your toys: Have a good understanding of Microservices architecture, Big Data technologies and experience with highly available distributed systems, scaling data store technologies, and creating multi-tenant and self hosted environments, that’s a plus
Being Part of the Clan
At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!
It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️
Are you a go-getter with the chops to nail what you do? Then this is the place for you.

We are now seeking a talented and motivated individual to contribute to our product in the Cloud data
protection space. Ability to clearly comprehend customer needs in a cloud environment, excellent
troubleshooting skills, and the ability to focus on problem resolution until completion are a requirement.
Responsibilities Include:
Review proposed feature requirements
Create test plan and test cases
Analyze performance, diagnosis, and troubleshooting
Enter and track defects
Interact with customers, partners, and development teams
Researching customer issues and product initiatives
Provide input for service documentation
Required Skills:
Bachelor's degree in Computer Science, Information Systems or related discipline
3+ years' experience inclusive of Software as a Service and/or DevOps engineering experience
Experience with AWS services like VPC, EC2, RDS, SES, ECS, Lambda, S3, ELB
Experience with technologies such as REST, Angular, Messaging, Databases, etc.
Strong troubleshooting skills and issue isolation skills
Possess excellent communication skills (written and verbal English)
Must be able to work as an individual contributor within a team
Ability to think outside the box
Experience in configuring infrastructure
Knowledge of CI / CD
Desirable skills:
Programming skills in scripting languages (e.g., python, bash)
Knowledge of Linux administration
Knowledge of testing tools/frameworks: TestNG, Selenium, etc
Knowledge of Identity and Security
- 5+ years of experience in DevOps including automated system configuration, application deployment, and infrastructure-as-code.
- Advanced Linux system administration abilities.
- Real-world experience managing large-scale AWS or GCP environments. Multi-account management a plus.
- Experience with managing production environments on AWS or GCP.
- Solid understanding CI/CD pipelines using GitHub, CircleCI/Jenkins, JFrog Artifactory/Nexus.
- Experience on any configuration management tools like Ansible, Puppet or Chef is a must.
- Experience in any one of the scripting languages: Shell, Python, etc.
- Experience in containerization using Docker and orchestration using Kubernetes/EKS/GKE is a must.
- Solid understanding of SSL and DNS.
- Experience on deploying and running any open-source monitoring/graphing solution like Prometheus, Grafana, etc.
- Basic understanding of networking concepts.
- Always adhere to security best practices.
- Knowledge on Bigdata (Hadoop/Druid) systems administration will be a plus.
- Knowledge on managing and running DBs (MySQL/MariaDB/Postgres) will be an added advantage.
What you get to do
- Work with development teams to build and maintain cloud environments to specifications developed closely with multiple teams. Support and automate the deployment of applications into those environments
- Diagnose and resolve occurring, latent and systemic reliability issues across entire stack: hardware, software, application and network. Work closely with development teams to troubleshoot and resolve application and service issues
- Continuously improve Conviva SaaS services and infrastructure for availability, performance and security
- Implement security best practices – primarily patching of operating systems and applications
- Automate everything. Build proactive monitoring and alerting tools. Provide standards, documentation, and coaching to developers.
- Participate in 12x7 on-call rotations
- Work with third party service/support providers for installations, support related calls, problem resolutions etc.
Key Sills Required for Lead DevOps Engineer
Containerization Technologies
Docker, Kubernetes, OpenShift
Cloud Technologies
AWS/Azure, GCP
CI/CD Pipeline Tools
Jenkins, Azure Devops
Configuration Management Tools
Ansible, Chef,
SCM Tools
Git, GitHub, Bitbucket
Monitoring Tools
New Relic, Nagios, Prometheus
Cloud Infra Automation
Terraform
Scripting Languages
Python, Shell, Groovy
· Ability to decide the Architecture for the project and tools as per the availability
· Sound knowledge required in the deployment strategies and able to define the timelines
· Team handling skills are a must
· Debugging skills are an advantage
· Good to have knowledge of Databases like Mysql, Postgresql
It is advantageous to be familiar with Kafka. RabbitMQ
· Good to have knowledge of Web servers to deploy web applications
· Good to have knowledge of Code quality checking tools like SonarQube and Vulnerability scanning
· Advantage to having experience in DevSecOps
Note: Tools mentioned in bold are a must and others are added advantage
DevOps Engineer
KNOLSKAPE is looking for a DevOps Engineer to help us build Educational platforms and products that make learning experiential for leaders of the world.
DevOps Engineer responsibilities include deploying product updates, identifying production issues, and implementing integrations that meet customer needs. If you have a solid background in working with cloud technologies, setting up efficient deployment processes, and are motivated to work with diverse and talented teams, we’d like to meet you.
Ultimately, you will execute and automate operational processes fast, accurately, and securely.
Skills and Experience
- 2+ years of experience in building infrastructure experience with Cloud Providers ( AWS / Azure / GCP)
- Build and Deployment Management (Gitlab).
- Experience in writing automation scripts using Shell, Python, and Terraform based.
- Good experience in building pipelines with YAML-based knowledge of the GitLab environment.
- System Administration skill set.
- Docker/Kubernetes container infrastructure and orchestration
- Deploying/operating NodeJs/PHP/LAMP framework-based clusters with infrastructure.
- Monitoring, metrics collection, and distributed tracing
- Infrastructure as code” – Experience with Terraform preferred.
- Strong AWS Deployment Experience
- Provide system-level technical support
- Desire to learn new technologies while supporting existing
Roles and Responsibilities
- End to End-building CI/CD pipelines using tools like Jenkins and Jenkins Pipelines etc.
- Build CI/CD pipelines to orchestrate provisioning and deployment of both large scale systems
- Develop and implement instrumentation for monitoring the health and availability of services including fault detection, alerting, triage, and recovery (automated and manual)
- Develop, improve, and thoroughly document operational practices and procedures.
- Perform tasks related to securing and keeping the products, tools, and processes you are responsible for securing our infrastructure.
- Agile software development practices
- Understand IT processes, including architecture, design, implementation, and operations
- Open Source development experience
- Self-motivated, able and willing to help where help is needed
- Able to build relationships, be culturally sensitive, have goal alignment, have learning agility
Location: Bangalore
About KNOLSKAPE
KNOLSKAPE is an end-to-end learning and assessment platform for accelerated employee development. Our core belief is that desired business outcomes are achieved best when learning needs are aligned with business requirements, but traditional methodologies for capability development require a new, more updated approach. Keeping with this philosophy, we offer engaging, immersive, and experiential learning and assessment solutions - strategy cascading, business acumen, change management, leadership pipeline, digital capabilities, and talent assessments. Leveraging a blended omnichannel delivery model, KNOLSKAPE offers instructor-led classroom sessions, live virtual sessions, and self-paced courses to suit every learning need.
More than 300 clients in 25 countries have benefited from KNOLSKAPE's award-winning experiential solutions. A 120+ strong team based out of offices in Singapore, India, Malaysia, and the USA serves a rapidly growing global client base across industries such as banking and finance, consulting, IT, FMCG, retail, manufacturing, infrastructure, pharmaceuticals, engineering, auto, government and academia.
KNOLSKAPE is a global Top 20 gamification company, recipient of numerous Brandon Hall awards, and has been recognized as a company to watch for in the Talent Management Space, by Frost & Sullivan, and as a disruptor in the learning space, by Bersin by Deloitte.
- Install, configuration management, performance tuning and monitoring of Web, App and Database servers.
- Install, setup and management of Java, PHP and NodeJS stack with software load balancers.
- Install, setup and administer MySQL, Mongo, Elasticsearch & PostgreSQL DBs.
- Install, set up and maintenance monitoring solutions for like Nagios, Zabbix.
- Design and implement DevOps processes for new projects following the department's objectives of automation.
- Collaborate on projects with development teams to provide recommendations, support and guidance.
- Work towards full automation, monitoring, virtualization and containerization.
- Create and maintain tools for deployment, monitoring and operations.
- Automation of processes in a scalable and easy to understand way that can be detailed and understood through documentation.
- Develop and deploy software that will help drive improvements towards the availability, performance, efficiency, and security of services.
- Maintain 24/7 availability for responsible systems and be open to on-call rotation.
We are having an excellent job opportunity for the position for AWS Infra Architect for one of the reputed Multinational Company at Hyderabad.
Mandate Skills : Please find the below expectations
- We need at-least 3+ years of experience as an Architect in AWS Primary Skills
- Designing, Planning, Implementation , Providing the solutions in Designing the Architecture
- Automation Using Terraform / Powershell /Python
- Should have good experience in Cloud formation Templates
- Experience in Cloudwatch
- Security in AWS
- Strong Linux Administration skills








