Senior Mobile Network Engineer

4 weeks ago

Bangalore Urban, India GigSky Full time

📡 We're Hiring: Mobile Network Engineer – Bangalore, India

GigSky is redefining global mobile connectivity. Our patented eSIM technology enables seamless, on-demand data access across borders—powering everything from IoT devices and wearables to vehicles and aircraft systems. We eliminate roaming fees and deliver local connectivity through a global platform.

We’re seeking a technically strong Mobile Network Engineer to join our Bangalore team and lead the development, integration, and optimization of our core network and roaming infrastructure. This is a hands-on engineering role with high-impact visibility across product, vendor, and operator ecosystems.


🛠️ Key Responsibilities

  • Manage and optimize elements of our LTE/UMTS core network, including SGSN, GGSN, PGW, SGW, and HSS
  • Lead IREG testing and ensure successful roaming connectivity with global operators
  • Troubleshoot and resolve issues related to SS7, Diameter, SMPP, and SIP signaling protocols
  • Design and implement interconnects with signaling, messaging, and roaming partners worldwide
  • Collaborate with vendors (e.g., Ericsson, Cisco) to develop and deploy new network features and hardware/software components
  • Define network requirements and test procedures for onboarding new operators and partners
  • Act as a technical lead for RFPs, vendor evaluations, and network-side project management
  • Work cross-functionally with product, sales, finance, and legal teams to align network capabilities with business goals


🧠 Required Skills & Experience

  • 5–10 years of experience in mobile network engineering, preferably in roaming and international connectivity
  • Strong understanding of LTE/UMTS architecture, including EPC and IMS components
  • Hands-on experience with:
  • IREG testing and roaming partner onboarding
  • SS7, Diameter, SMPP, SIP, and GTP-C/U protocols
  • Network troubleshooting tools (e.g., Wireshark, NetAct, TEMS)
  • eSIM technologies, SIM provisioning, and OTA platforms
  • Familiarity with network security, QoS, and fault isolation
  • Experience working with international mobile operators, MVNOs, and sponsored roaming models
  • Ability to draft and review network specifications, technical RFPs, and vendor proposals
  • Strong documentation and communication skills for cross-functional collaboration


🌐 Why Join GigSky?

  • Work on cutting-edge global connectivity platforms
  • Collaborate with top-tier vendors and international operators
  • Competitive compensation and benefits
  • Opportunity to lead technical innovation in mobile data

📍 Location: Bangalore, India

📨 Apply Now or connect with us to learn more

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