Core Network Team Lead (CS / PS / IMS) | SIS | Riyadh, Saudi Arabia

Saudi Information Technology Services; Riyadh; On-site; SAR 334,800 - 558,000; Full time

Job summary

A leading telecom services provider in Riyadh is seeking a Core Network Team Lead to manage and enhance operations of large-scale CS, PS, and IMS networks. The successful candidate will have at least 8 years of experience, particularly with Ericsson systems, and will oversee shift teams ensuring network stability and adherence to SLAs. Responsibilities include troubleshooting core network nodes and supporting change management efforts. Strong expertise in signaling protocols and leadership experience is essential.

Qualifications

• 8+ years of experience in Ericsson CS/PS Core troubleshooting.
• Strong expertise in signaling protocols: SIP, SS7, ISUP, etc.
• Hands-on experience with MSC, MGW, STP, HLR/HSS.

Responsibilities

• Monitor and troubleshoot core network nodes.
• Lead, coach, and support front office Core teams during shifts.
• Ensure KPI fulfillment and service stability across networks.

Skills

Ericsson CS/PS Core troubleshooting

Signaling protocols: SIP, SS7, ISUP

Leadership experience

Experience with core nodes: MSC, MGW

Education

Bachelor’s degree in Telecommunications or Electrical Engineering

Tools

IMS nodes: CSCF, MTAS, SBC

Core nodes: HLR/HSS, UDC, APG

Job description

🔎 Job Title: Core Network Team Lead (CS / PS / IMS) | SIS | Riyadh, Saudi Arabia
🏢 Recruiting Company: SIS (Saudi Information Technology Services)
🌍 Job Location: Riyadh, Saudi Arabia
💼 Job Type: Full‑Time
📧 Application Method: Email CV to [e-mail]
📌 Additional Info: Senior leadership role | Large‑scale Ericsson Core Network environment

Position Summary

We are hiring an experienced Core Network Team Lead to manage and enhance the operations of large‑scale CS, PS, and IMS networks in a live telecom environment. This leadership role is critical to ensuring network stability, SLA/KPI compliance, and continuous operational improvement within a Tier‑1 core network.

Detailed Job Description

As a Core Network Team Lead, you will oversee front office (FO) operations responsible for monitoring, troubleshooting, and incident resolution across CS Core, PS Core, and IMS networks. You will lead shift‑based teams handling mission‑critical core nodes while ensuring adherence to operational frameworks, best practices, and internal workflows. The role requires deep Ericsson core expertise, strong signaling knowledge, and the leadership capability to drive performance and reliability. You will work closely with planning, change management, and engineering teams to support CR implementations and network evolution initiatives. This is a senior operations leadership opportunity within a high‑availability telecom environment.

Key Responsibilities

• Monitor and troubleshoot core network nodes (MSC, MGW, HLR, HSS, STP, IMS, SBC, UDM, etc.)
• Ensure fault management, trouble ticket handling, and incident recovery within SLA
• Lead, coach, and support FO Core teams during shifts to improve operational performance
• Ensure KPI fulfillment and overall service stability across CS, PS, and IMS networks
• Coordinate and support change management activities and CR implementations
• Enforce operational processes and best practices (MSTOP, WoW)
• Participate in technical discussions and recommend network and process improvements
• Conduct knowledge‑sharing sessions and maintain operational documentation

Required Qualifications & Skills

• Bachelor’s degree in Telecommunications or Electrical Engineering
• 8+ years of experience in Ericsson CS/PS Core troubleshooting
• Strong expertise in signaling protocols: SIP, SS7, ISUP, BICC, MAP, CAP, Diameter, SIGTRAN
• In‑depth understanding of CS Core, IMS, and VoLTE call flows
• Hands‑on experience with core nodes: MSC, MGW, STP, HLR/HSS, UDC, APG
• Proven hands‑on exposure to IMS nodes: CSCF, MTAS, SBC, IPWorks, EME
• Strong leadership, people management, and shift operations experience

Nice‑to‑Have Skills

• Knowledge of Virtualization, Cloud NFVI, and NFVO environments
• Experience supporting large‑scale, carrier‑grade telecom networks
• Exposure to multi‑vendor or multi‑technology core environments
• Experience working in SLA‑driven, Tier‑1 operator environments
• Strong documentation and technical communication skills