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Senior Mobile Network Engineer

GigSkybangalore, karnataka, in

30+ days ago

Job description

📡 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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Senior Network Engineer • bangalore, karnataka, in