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Senior Mobile Network Engineer

Senior Mobile Network Engineer

GigSkyIndia
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 • India

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