Automated Operations Engineer – Core Networks

About the role

We are looking for an Automated Operations Engineer – Core Networks to support monitoring, troubleshooting and maintenance of a large‑scale CS, PS and ITSC network, ensuring high availability and performance.

Key responsibilities

• Perform configuration changes and troubleshoot MSC, MGW, HLR, HSS, STP, SBC, UDM (CUDB, HSS, HLR) and IMS nodes following approved processes.
• Participate in internal technical discussions to improve network monitoring capabilities and first‑level troubleshooting effectiveness.
• Ensure adherence to correct working methodologies, best practices and continuous improvement initiatives.
• Manage fault handling activities, including trouble ticket management and fault localisation while meeting agreed SLAs.
• Support and coordinate change management activities and Change Request implementations.
• Drive timely incident resolution and recovery within SLA targets.

Required profile

• BSc in Engineering, preferably Telecommunications or a related field.
• 2‑3 years of relevant experience.
• Strong understanding of core network protocols such as SIP, H.248, SS7, ISUP, BICC, SIGTRAN, INAP, CAP, TCAP, MAP, SCCP and Diameter.
• Solid knowledge of 2G, 3G and 4G core network architecture, protocols and signalling flows.
• Hands‑on experience in operation and maintenance of Voice Core CS nodes (MSC, MGW, STP, UDC, APG).
• Proven second‑line troubleshooting experience with IMS nodes (SBG, MTAS, CSCF, IPWorks, EMM).
• Good knowledge of virtualization, Cloud NFVI and NFVO technologies (preferred).
• Strong analytical, troubleshooting and problem‑solving skills in a high‑pressure operational environment.

Required skills

• SIP
• H.248
• SS7
• ISUP
• BICC
• SIGTRAN
• INAP
• CAP
• TCAP
• MAP
• SCCP
• Diameter
• 2G/3G/4G Core Network Architecture
• MSC
• MGW
• STP
• UDC
• APG
• SBG
• MTAS
• CSCF
• IPWorks
• EMM
• Virtualization
• Cloud NFVI
• NFVO