Assistant Manager - Customer Interaction Suite

About The Company
Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications
Purpose Of The Role
The Engineer will be responsible for supporting, monitoring, troubleshooting, and maintaining infrastructure, VoIP platforms, containerized applications, and DevOps environments. This role requires working closely with cross-functional teams to ensure the reliability, scalability, security, and performance of communication platforms and cloud-based services. The individual will contribute to infrastructure automation, CI/CD processes, system administration, and operational excellence while continuously enhancing platform stability and performance.
Key Responsibilities
VoIP & Unified Communications Support
Support and troubleshoot VoIP/SIP-based communication platforms.
Manage and maintain VoIP components including Asterisk, FreeSWITCH, and Kamailio.
Analyze call flow, SIP signaling, and media issues using Wireshark and related monitoring tools.
Investigate and resolve customer-reported voice quality, routing, and connectivity issues.
Monitor platform health and ensure high availability of communication services.
Cloud Infrastructure Management
Support AWS cloud infrastructure and associated networking services.
Work with AWS services including:
EC2
EKS
S3
Elastic Load Balancer (ELB)
Assist in provisioning, monitoring, troubleshooting, and optimizing cloud resources.
Support cloud networking, DNS, security groups, NACLs, and WAF configurations.
Containerization & Kubernetes
Deploy and manage containerized applications using Docker and Docker Compose.
Support Kubernetes environments including:
Containers and Pods
Namespaces
Services
Volumes
Ingress
Node Groups
Auto Scaling
Helm Charts
ConfigMaps
Assist in cluster monitoring, troubleshooting, and performance optimization.
DevOps & Automation
Support CI/CD pipeline implementation and maintenance.
Work with tools such as:
Jenkins
GitHub
Argo CD
Ansible
Manage source code repositories, branching strategies, tagging, releases, and version control practices.
Develop and maintain automation scripts using Shell and Python.
Participate in deployment planning and production releases.
Systems Administration
Manage and troubleshoot Linux (CentOS/RedHat) and Windows environments.
Execute administration and troubleshooting activities using Linux and Windows CLI commands.
Monitor system performance, logs, and resource utilization.
Maintain system configurations and perform routine maintenance activities.
Networking & Security
Support networking components including HTTP/TCP proxy servers.
Understand and troubleshoot LAN/WAN, routing, DNS, and connectivity issues.
Assist in implementing security best practices related to:
SSL/TLS
Security Groups
Network Access Controls
Vulnerability Assessments and Penetration Testing (VAPT)
Ensure compliance with security and operational standards.
Process & Collaboration
Participate in Agile ceremonies and SDLC activities.
Collaborate with engineering, product, operations, and support teams.
Document troubleshooting procedures, deployment processes, and operational runbooks.
Contribute to continuous improvement initiatives and automation opportunities.
Required Technical Skills
VoIP Technologies
Asterisk
FreeSWITCH
Kamailio
SIP / VoIP
Wireshark
Cloud Technologies
AWS Cloud Services:
EC2
EKS
S3
Container & Orchestration
Docker
Docker Compose
Kubernetes
Helm Charts
ConfigMaps
Auto Scaling
Ingress
DevOps Tools
Jenkins
Ansible
Argo CD
GitHub
CI/CD Integrations
Jira
Operating Systems & Scripting
Linux (CentOS/RedHat)
Windows Administration
Shell Scripting
Python
Networking & Security
Networking Fundamentals
DNS
WAF
Security Groups
NACL
HTTP/TCP Proxy
SSL/TLS
VAPT Concepts
Qualifications
Bachelor s degree in computer science, Information Technology, Electronics & Communication, or related field.
1-2 years of experience in Cloud Infrastructure, DevOps, VoIP, Platform Support, or related domains.
Exposure to AWS cloud platforms, Kubernetes, Linux administration, and VoIP technologies.
Relevant AWS, Kubernetes, Linux, or DevOps certifications will be an added advantage.
Required Soft Skills
Excellent verbal and written communication skills.
Strong analytical and problem-solving abilities.
Ability to prioritize tasks and manage multiple assignments effectively.
Strong ownership mindset with a proactive approach to issue resolution.
Ability to work effectively with cross-functional and geographically distributed teams.
Demonstrated capability to handle ambiguity and drive outcomes in dynamic environments.
Continuous learning attitude and passion for innovation.

Work arrangement
No