Core Network Project Engineer

1 day ago

Bengaluru, Karnataka, India Aliqan Technologies Full time ₹ 94,208 - ₹ 1,17,696 per year

Greetings from ALIQAN Technologies

Job Title: Core Network Project Engineer

Department: Network Performance & Service Optimization – Network Application Platform

Location: Chennai / Bengaluru

Reporting To: TBD

Working Hours: Full-time, 37.5 Hours

Working Model: Hybrid (3 days office, 2 days remote)

About Lebara

Lebara is a global telecommunications company operating under the Mobile Virtual Network Operator (MVNO) model across the UK, Germany, Netherlands, France, Denmark, and other international markets. Since its founding in 2001, Lebara has grown rapidly by providing affordable, reliable, and customer-focused mobile solutions.

Our purpose is simple: to provide customers with a better value alternative in telecom while maintaining exceptional customer service. Today, we support 4.7 million customers globally with highly rated services (Trustpilot average 4.6 across major markets).

We are on an exciting transformation journey—shifting from consolidation to growth under our new ownership.

Role Summary

We are seeking a Core Network Project Engineer with strong expertise in telecom core network technologies to support a critical project through implementation, testing, and go-live phases. This role demands solid troubleshooting abilities, protocol knowledge, and collaboration with architects, SMEs, and cross-functional teams.

Key Responsibilities

  • Represent the Core Network team throughout the project lifecycle (initiation to closure).
  • Collaborate with Network and IT Architects to ensure end-to-end implementation alignment.
  • Validate Core Network requirements and designs with SMEs.
  • Develop test plans and manage/coordinate test execution (onsite & remote).
  • Investigate, diagnose, and resolve complex core network faults using log and trace analysis.
  • Collaborate with cross-functional teams to analyze fault trends and drive preventive solutions.
  • Provide support during POCs, trials, UAT, and go-live activities.
  • Work flexible hours (night/weekend shifts) when required during project phases.
  • Support Core Network BAU activities (monitoring, testing, troubleshooting).

Qualifications

  • Bachelor's degree or higher in Electronics, Telecommunications, or Computer Science.

Skills & ExperienceEssential

  • Strong knowledge of CS, PS & IMS Core (validation, troubleshooting, fault resolution).
  • Solid understanding of end-to-end data service call flows.
  • Hands-on experience with key telecom protocols: GTP, Gi, Sy, Gx, Gy & Ro, SIGTRAN, MAP.
  • Proficiency in Wireshark for trace analysis and debugging.

Desirable

  • Knowledge of 3GPP, IETF, GSMA standards and architectures.
  • Familiarity with SIM, eSIM, and BAP testing.
  • Database knowledge (Oracle, SQL Server, or other platforms).
  • System admin experience with PL/SQL, Batch, UNIX, MS Office.
  • Ability to interpret programs, codes, SOPs.
  • Scripting experience (Shell or other programming languages).
  • Exposure to AWS or cloud platforms.
  • Working knowledge of Jira and Confluence.

Job Type: Contractual / Temporary

Pay: ₹9,780.20 per month

Work Location: In person

  • Core Network Engineer

    2 weeks ago

    Bengaluru, Karnataka, India Infosys Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Job Description:The Core Network Engineer plays a significant role in the Core Network Engineering team who is accountable for deploying maintaining and growing a scalable maintainable highly available network infrastructure that meets business objectives and SLAsKey Responsibilities:he main focus are create low level design based on the high level design...

  • Core Network Engineer

    2 weeks ago

    Bengaluru, Karnataka, India Infosys Full time ₹ 8,00,000 - ₹ 24,00,000 per year

    Core Network EngineerIn-depth understanding of networking protocols such as ISIS, OSPF, BGP, MPLS, VPNs, QoS, etc. • Network Planning, Design and Implementation experience in HLD and LLD • Throughout knowledge of IPv4/v6 migration techniques, policy languages • Solid understanding of Juniper routing and switching products and technologies •...

  • CORE Network Engineer

    2 days ago

    Bengaluru, Karnataka, India Luxoft Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Project descriptionTechnology Division is seeking a talented and motivated individual for a Network Engineer position. Responsibilities will include the operational support and maintenance of the enterprise branch network, cloud-based infrastructure architecture and management, documentation and implementation of new solutions, and working high level network...

  • Network Engineer

    2 weeks ago

    Bengaluru, Karnataka, India 5C Network Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Company Description5C Network, founded in 2016, is India's premier digital diagnostic platform offering a range of connected diagnostic services and solutions. At the heart of our network is , a cutting-edge digital platform that connects patients, physicians, and healthcare providers with diagnostic establishments. Our flagship service, Borderless...

  • Network Engineering

    2 weeks ago

    Bengaluru, Karnataka, India Telstra Full time ₹ 20,00,000 - ₹ 25,00,000 per year

    Employment TypePermanentClosing Date24 Oct :59pmJob TitleNetwork Engineering - SpecialistJob SummaryRole purposeThe Network Engineer within the Network Automation domain is forging the future for Telstra International by transforming work to highly engineered, automated andintegrated processes. As an individual contributor they work in with key networks, GBS...

  • Network Engineering

    2 weeks ago

    Bengaluru, Karnataka, India Telstra Full time ₹ 8,00,000 - ₹ 24,00,000 per year

    Employment TypePermanentClosing Date24 Oct :59pmJob TitleNetwork Engineering - SpecialistJob SummaryRole purposeThe Network Engineer within the Network Automation domain is forging the future for Telstra International by transforming work to highly engineered, automated and integrated processes. As an individual contributor they work in with key networks,...

  • KGSI - Network Engineer

    2 days ago

    Bengaluru, Karnataka, India Transaction Network Services Full time ₹ 5,00,000 - ₹ 8,00,000 per year

    An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.  Come join the excellenceOverviewWe are looking for a Network Engineer who will be responsible for maintaining and administering our company's computer networks. Your primary duties will include maintenance of...

  • Project Engineer

    3 days ago

    Bengaluru, Karnataka, India Ipec Project Services Full time ₹ 8,00,000 - ₹ 12,00,000 per year

    Role & responsibilities Project Engineer/Site EngineerPreferred candidate profileCandidates should have minimum 2-5 years experience in Fire Hydrant Systems, Sprinkler Systems, Fire Fighting Systems, Fire Alarm Systems, Gas Suppression Systems, and Allied Systems

  • Project Manager

    7 days ago

    Bengaluru, Karnataka, India NETNXT Network Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Company DescriptionWith over 11 years of expertise in simplifying complex IT and securing digital ecosystems for 300+ customers worldwide, NetNXT Network Pvt Ltd is a trusted partner for businesses across industries. Founded in 2014, NetNXT delivers end-to-end cybersecurity solutions to help organizations stay secure, compliant, and future-ready. NetNXT...

  • Network Engineer

    5 days ago

    Bengaluru, Karnataka, India Careernet Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Key Skills: Switching, IP Firewall, CCNP, Core Network, Firewall, Cloud SecurityRoles and Responsibilities:Design, implement, and manage enterprise-level network solutions.Configure and maintain routing and switching protocols across various platforms (Cisco, Juniper, Fortinet).Ensure network security through effective firewall management (FortiGate, Palo...