
4G/5G Core Network Engineer
San R&D Business Solutions LLC, New York, NY, United States
San R&D Business Solutions LLC | Full time
Duration:
12+ Months with Possible Extension
About the Role
We are seeking a highly skilled
4G/5G Core Network Expert
with strong experience in
telecom APIs and network function integration . The ideal candidate will work closely with telecom vendors (Nokia, Ericsson, Samsung) and internal teams to enable
API-driven integration across 5G core network functions , aligned with industry standards such as
3GPP, GSMA Open Gateway, and LF CAMARA . This role requires deep expertise in
core network architecture, REST APIs, and telecom standards , along with the ability to analyze specifications and translate them into practical integration solutions.
Key Responsibilities
Work with
4G/5G core network products
from vendors like
Nokia, Ericsson, and Samsung
Analyze and interpret
3GPP specifications
and telecom standards
Design and implement
API integrations
across network functions (NFs)
Work with
REST APIs (OpenAPI/Swagger)
for telecom integrations
Enable integration of
LF CAMARA APIs with network functions
such as:
NEF / SCEF
PCF (Policy Control Function)
UDR (Unified Data Repository)
Collaborate with vendors to
identify gaps and define API roadmaps
Support implementation of
GSMA Open Gateway architectures
Understand and contribute to
call flows and connection flows
across:
IMS (IP Multimedia Subsystem)
SBA (Service-Based Architecture)
OSS/BSS systems (TM Forum standards)
Provide technical guidance on
API exposure and network capabilities
Required Skills
Strong experience in
4G/5G Core Network architecture
Hands-on experience with telecom vendors:
Nokia / Ericsson / Samsung
Strong understanding of:
3GPP standards (5G core, NEF, SCEF, etc.) ,
LF CAMARA APIs ,
GSMA Open Gateway architecture
Experience with
REST APIs (OpenAPI / Swagger)
Knowledge of
network function interfaces and integrations
Understanding of
IMS, SBA, OSS/BSS call flows
Preferred Skills
Experience working with
API exposure layers in telecom
Familiarity with
TM Forum frameworks
Experience working with
vendor roadmap alignment and integration gaps
Strong analytical skills to interpret
technical specifications
#J-18808-Ljbffr
Duration:
12+ Months with Possible Extension
About the Role
We are seeking a highly skilled
4G/5G Core Network Expert
with strong experience in
telecom APIs and network function integration . The ideal candidate will work closely with telecom vendors (Nokia, Ericsson, Samsung) and internal teams to enable
API-driven integration across 5G core network functions , aligned with industry standards such as
3GPP, GSMA Open Gateway, and LF CAMARA . This role requires deep expertise in
core network architecture, REST APIs, and telecom standards , along with the ability to analyze specifications and translate them into practical integration solutions.
Key Responsibilities
Work with
4G/5G core network products
from vendors like
Nokia, Ericsson, and Samsung
Analyze and interpret
3GPP specifications
and telecom standards
Design and implement
API integrations
across network functions (NFs)
Work with
REST APIs (OpenAPI/Swagger)
for telecom integrations
Enable integration of
LF CAMARA APIs with network functions
such as:
NEF / SCEF
PCF (Policy Control Function)
UDR (Unified Data Repository)
Collaborate with vendors to
identify gaps and define API roadmaps
Support implementation of
GSMA Open Gateway architectures
Understand and contribute to
call flows and connection flows
across:
IMS (IP Multimedia Subsystem)
SBA (Service-Based Architecture)
OSS/BSS systems (TM Forum standards)
Provide technical guidance on
API exposure and network capabilities
Required Skills
Strong experience in
4G/5G Core Network architecture
Hands-on experience with telecom vendors:
Nokia / Ericsson / Samsung
Strong understanding of:
3GPP standards (5G core, NEF, SCEF, etc.) ,
LF CAMARA APIs ,
GSMA Open Gateway architecture
Experience with
REST APIs (OpenAPI / Swagger)
Knowledge of
network function interfaces and integrations
Understanding of
IMS, SBA, OSS/BSS call flows
Preferred Skills
Experience working with
API exposure layers in telecom
Familiarity with
TM Forum frameworks
Experience working with
vendor roadmap alignment and integration gaps
Strong analytical skills to interpret
technical specifications
#J-18808-Ljbffr