About the job CS and IMS Core (Voice) -Engineering
Must have or be
8+ years of experience in Telecom Core Networks.
Strong knowledge of CS and IMS Core with 3 to 4 years of Solution Integrator experience
Must have strong knowledge on
o various 3GPP CS and IMS Core nodes (i.e. MSC, MRS/MGW, MTAS, CSCF,)
o Experience in Integration, Configuration Changes, hardware expansion,
Troubleshooting of MSC, MGW, STP, SBC, IMS (P, I, S-CSCF, ATS, MGCF, MRFP, CG,
ENUM)
o Expertise on Protocols (i.e. SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP,
SCCP, Diameter)
o In-depth understanding of Call flow in CS Core, VOLTE/ IMS.
o Competent in GSM / IN call flow.
o Good knowledge / hands-on experience in prepaid charging system SS7 stacks, INAP,
CAMEL, SIGTRAN
Basic experience with Linux and related Virtualization technologies (any of the following:
VMWare, OpenStack, OpenShift, KVM)
Ability to effectively translate technical procedures to the customer and identify impacts to the
project activities
Ability to professionally document method of procedures (MOPS) and low-level designs (LLD)
that are technically accurate and aligned with high-level designs (HLD)
Ability to review, prepare and execute Test Instructions that is aligned with the Test Object List
(TOL), collect artefacts and analyze results
Lead Acceptance Testing and coordinate directly with the customer stakeholders involved in
acceptance of the solution
Must possess exceptional communication skills and proven experience working with diverse
teams of technical architects, analysts, and testing team
Got sense of urgency and capable to handle tense situation
Positive, communicative and customer-oriented attitude