Senior Mobile Network Engineer

2 weeks ago

Bengaluru, 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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