Telecom Core & Signaling Engineer Job Lagos (SS7, IMS, Diameter)

The Telecom Core & Signaling Engineer Job Lagos offers experienced telecom professionals a strategic opportunity to work at the heart of MVNO network operations. This role combines deep technical ownership with real-world impact across SS7, Diameter, and IMS environments. If you have hands-on experience in mobile core networks and want to shape scalable telecom infrastructure, this opportunity deserves close attention.

Job Overview: Telecom Core & Signaling Engineer Job Lagos

A leading telecom client, through HR Aid Consults, is hiring a Telecom Core & Signaling Engineer to design, operate, and evolve a full MVNO core network. The role focuses on seamless integration with multiple Mobile Network Operators (MNOs) and third-party platforms while maintaining telco-grade reliability.

  • Industry: Telecommunications
  • Job Type: Hybrid
  • Location: Lekki, Lagos
  • Experience Level: 5–7 years
  • Salary Range: NGN 800,000 – NGN 1.2 million (net/month)

This Telecom Core & Signaling Engineer Job Lagos suits professionals who thrive in fast-paced environments and still value structured, carrier-grade systems.

Core Responsibilities

Core Network Operations

The engineer will design, deploy, and manage critical core network elements such as HLR/HSS, MME, SGSN, GGSN, PGW, SGW, and IMS. In addition, the role covers SIP-based voice services including VoLTE, VoWiFi, and legacy circuit-switched interconnections.

Signaling & Interconnect Management

You will configure and optimize SS7, SIGTRAN, Diameter, and SIP/IMS interfaces between the MVNO core and host MNO networks. Moreover, you will implement roaming agreements and interconnect configurations with partner networks.

Network Integration & Collaboration

This role leads technical integrations with host MNOs, ensuring accurate MAP, Diameter, and SIP implementations. You will also manage IPX/GRX connections for international roaming and coordinate closely with vendors such as Ericsson, Nokia, Huawei, or Mavenir.

Troubleshooting, Planning & Optimization

The Telecom Core & Signaling Engineer Job Lagos requires advanced troubleshooting skills. You will resolve call setup failures, registration issues, and data session problems while leading incident response during major outages.

At the same time, you will monitor network performance, manage capacity planning, and recommend upgrades that support long-term scalability. Clear documentation and operational procedures remain part of daily responsibilities.

Required Qualifications

Experience

  • 5–7 years of hands-on experience in MNO or MVNO core networks
  • Strong expertise in SS7, SIGTRAN, Diameter, SIP
  • Direct experience integrating MVNO architecture with host MNOs

Technical Skills

  • Solid understanding of 2G, 3G, and 4G core architecture
  • Deep knowledge of IMS, VoLTE, and VoWiFi
  • Proficiency in MAP, CAP, INAP, Diameter, SIP, MGCP
  • Strong IP networking skills (MPLS, BGP, OSPF)
  • Experience with tools like Wireshark and protocol analyze

Who Should Apply

This role fits engineers who:

  • Think analytically and solve problems proactively
  • Communicate clearly with technical and non-technical stakeholders
  • Work independently while collaborating with cross-functional teams
  • Adapt quickly to evolving telecom technologies

Professionals exploring similar roles may also find value in our telecom and engineering jobs hub and technology careers section on OpportunityLabs.

How to Apply

Qualified candidates should send their CV to:

[email protected]
Subject line: Telecom Core & Signaling Engineer (SS7/Diameter/IMS)

For more telecom and high-skill opportunities, explore current telecom openings on OpportunityLabs.