Senior Mobile Network Engineer

3 weeks ago

Bangalore Urban Karnataka India, IN GigSky Full time

We're Hiring: Mobile Network Engineer – Bangalore, IndiaGigSky 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 ResponsibilitiesManage and optimize elements of our LTE/UMTS core network, including SGSN, GGSN, PGW, SGW, and HSSLead IREG testing and ensure successful roaming connectivity with global operatorsTroubleshoot and resolve issues related to SS7, Diameter, SMPP, and SIP signaling protocolsDesign and implement interconnects with signaling, messaging, and roaming partners worldwideCollaborate with vendors (e.g., Ericsson, Cisco) to develop and deploy new network features and hardware/software componentsDefine network requirements and test procedures for onboarding new operators and partnersAct as a technical lead for RFPs, vendor evaluations, and network-side project managementWork cross-functionally with product, sales, finance, and legal teams to align network capabilities with business goals Required Skills & Experience5–10 years of experience in mobile network engineering, preferably in roaming and international connectivityStrong understanding of LTE/UMTS architecture, including EPC and IMS componentsHands-on experience with:IREG testing and roaming partner onboardingSS7, Diameter, SMPP, SIP, and GTP-C/U protocolsNetwork troubleshooting tools (e.g., Wireshark, NetAct, TEMS)eSIM technologies, SIM provisioning, and OTA platformsFamiliarity with network security, QoS, and fault isolationExperience working with international mobile operators, MVNOs, and sponsored roaming modelsAbility to draft and review network specifications, technical RFPs, and vendor proposalsStrong documentation and communication skills for cross-functional collaboration Why Join GigSky?Work on cutting-edge global connectivity platformsCollaborate with top-tier vendors and international operatorsCompetitive compensation and benefitsOpportunity to lead technical innovation in mobile data Location: Bangalore, India Apply Now or connect with us to learn more

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