Core Network Project Engineer

2 days 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

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