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!
Senior Network Engineer • India