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Core Network (HSS/HLR) Engineer

Your Role

As a Core Network (HSS/HLR) Engineer, you will play a critical role in delivering robust and scalable telecom core network solutions. You will contribute across the full lifecycle—from design and integration to testing and final deployment—ensuring high performance and reliability in 4G/5G environments. This role requires deep technical expertise and close collaboration with cross-functional teams and customers.

In this role, you will:

 

  • Design and implement core network solutions, with a strong focus on HSS/HLR nodes
  • Lead and execute system integration, deployment, and validation activities
  • Perform end-to-end testing, troubleshooting, and issue resolution during project delivery
  • Develop and maintain comprehensive technical documentation:
    • Low-Level Design (LLD)
    • Customer Integration Questionnaire (CIQ)
    • Design Node Document (DND)
    • Acceptance Test Plan (ATP)
    • Method of Procedure (MOP)
  • Coordinate and manage testing, acceptance, and sign-off activities with stakeholders
  • Work on complex multi-domain integrations involving telecom network components
  • Ensure solutions meet performance, security, and scalability requirements
  • Collaborate closely with customers, project teams, and internal engineering units

Your Profile

 

  • Strong experience in telecom core networks, specifically HSS/HLR (mandatory)
  • Hands-on experience with Unix/Linux environments
  • Solid understanding of networking protocols: TCP/IP, Diameter, SIP, HTTP/2, SNMP, SOAP/XML
  • Experience with databases such as Aerospike, MariaDB, Oracle, or SQL
  • Knowledge of virtualization and cloud technologies: VNF, CNF
  • Familiarity with platforms like VMware and OpenStack
  • Exposure to Nokia tools/platforms: CBIS, CBAM, NCS, NCOM
  • Proven experience in system integration and multi-domain telecom environments
  • Strong documentation skills and attention to detail
  • Excellent problem-solving and analytical abilities
  • Good communication skills with professional proficiency in English

Preferred:

  • Experience with Cloud Native Core and cloud-native databases
  • Understanding of automation tools for configuration and deployment
  • Exposure to Kubernetes-based environments

What You’ll Love About Working Here

 

  • Opportunity to work on cutting-edge 4G/5G technologies and cloud-native telecom solutions
  • Exposure to large-scale, high-impact telecom transformation projects
  • A collaborative and inclusive work environment that values innovation and technical excellence
  • Continuous learning opportunities with access to advanced tools, platforms, and certifications
  • A chance to work closely with global customers and industry experts
  • Strong focus on career growth, skill development, and knowledge-sharing culture

About US

We are a leading technology organization focused on delivering next-generation telecom and digital infrastructure solutions. With expertise in core networks, cloud-native technologies, and large-scale system integration, we help service providers modernize their networks for the 4G and 5G era. Our team is driven by innovation, customer success, and a commitment to building reliable and future-ready network solutions.
Ref. code:  486058
Posted on:  27 May 2026
Experience Level:  Experienced Professionals
Contract Type:  Permanent
Location: 

Noida, IN

Brand:  Capgemini Engineering
Professional Community:  Manufacturing & Operations Engineering

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