About this opportunity:
We are now looking for Back office L2 Engineer- CS IMS Core who will handle and operate on a large scale "CS & IMS network and CS & IMS network Infrastructure" network by performing all level-2 operation activities plus creating internal knowledge bases sessions for information sharing purposes
What you will do
- Fault management including TT handling and fault localization within SLA
- DT MOP Preparation and CR Implementation
- Configuration activities for new services
- Incident recovery within SLA
- Preventive and corrective maintenance activities
- Network configuration audits
- Voice core nodes SW updates and Upgrades
- Acceptance test for newly introduced nodes and services
- 1st level operation engineers' performance during shift time and share the knowledge and
- proper guidelines to assure their work quality and process consistency
You will bring
- +3 Years of proven experience in Voice core Network operation and maintenance as second level Operations.
- BSc. degree in Electrical Engineering, major in Communication and Electronic Engineering
- A clear understanding of 3GPP standards and different protocols, like SIP, Diameter, BICC, SIGTRAN ,CAMEL,MAP , ..etc.
- Clear understanding for 2G/3G/4G core network nodes, protocols and signaling flow
- Detailed understanding of different voice core scenarios and signalling flows
- Strong hands-on experience in O&M of different Voice Core CS nodes like MSC, MGWs, STP, UDC, APG, etc
- Strong hands-on solving experience as a second level operations on IMS nodes like SBG, MTAS, CSCF, Ipworks, Eme ..etc
- Good knowledge of Virtualization, Cloud NFVI, and NFVO is highly preferred.
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day.
We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale.
Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient.
Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical.
Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term.
As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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