Posted:1 week ago|
Platform:
Remote
Full Time
Job Title: Lead Engineer – 4G/5G Packet Core & IMS
Location: Delhi / Gurgaon
Experience: 2 + Years
Job Type: Full-Time | On-site (Delhi/Gurgaon)
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Role Summary
We are seeking skilled and versatile professionals to join our Services team for the deployment, configuration, testing, integration, and support of 4G/5G Packet Core and IMS product stacks. The role involves working in cloud-native environments and collaborating closely with product engineering and customer teams to deliver standards-compliant telecom solutions.
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Key Responsibilities
1. Configuration & Deployment
• Deploy and configure 4G EPC, 5G Core (NSA/SA), and IMS components in OpenStack, Kubernetes, or OpenShift environments.
• Automate deployments using tools like Ansible, Helm, Terraform, and CI/CD pipelines.
• Ensure deployments are secure, scalable, and resilient across various environments.
2. Testing & Validation
• Develop and execute test plans for functional, performance, and interoperability testing.
• Use telecom tools like Spirent for validation and KPI tracking.
• Perform regression and acceptance testing in compliance with 3GPP standards.
3. Integration
• Integrate network elements such as MME, SGW, PGW, AMF, SMF, UPF, HSS, PCRF, and CSCF.
• Ensure seamless interworking of legacy and cloud-native network functions.
4. Release Management
• Manage version control, release cycles, rollout strategies, and rollback plans.
• Coordinate with cross-functional teams for successful releases.
• Maintain detailed release documentation and logs.
5. Technical Documentation
• Prepare and maintain:
o High-Level and Low-Level Design documents
o Method of Procedure (MoP) & SOPs
o Deployment guides, technical manuals, and release notes
• Ensure documentation is version-controlled and accessible.
6. Field Support & Troubleshooting
• Provide on-site and remote deployment support.
• Troubleshoot live network issues and conduct root cause analysis.
• Ensure service continuity through close collaboration with internal and customer teams.
7. Collaboration with Product Development
• Work with development teams to identify, reproduce, and resolve bugs.
• Provide logs, diagnostics, and test scenarios to support debugging.
• Participate in sprint planning, reviews, and feedback sessions.
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Required Skills and Qualifications
Must-Have
• Bachelor’s/Master’s degree in Telecommunications, Computer Science, or related field.
• Deep understanding of 4G/5G Packet Core and IMS architecture and protocols (GTP, SIP, Diameter, HTTP/2).
• Experience with cloud-native platforms like OpenStack, Kubernetes, and OpenShift.
• Strong scripting skills using Python, Bash, Ansible, and Helm.
• Excellent communication skills and ability to create technical documentation (Confluence, Markdown, LaTeX, MS Word).
• Strong troubleshooting and customer-facing abilities.
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Unique Opportunity
This role is part of a strategic initiative to build an indigenous telecom technology stack that delivers high-performance and standards-compliant LTE/5G core network solutions. It’s a great opportunity to be part of a cutting-edge team shaping India’s telecom future.
Ubique Systems
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