About this opportunity:
Join Ericsson as a Core Network Support Engineer and play a key role in ensuring the stability, performance, and reliability of mission-critical mobile core networks. In this role, you will be responsible for implementing, validating, and supporting LTE and 5G Core network solutions while delivering operational excellence for our customers.
You will work closely with engineering, field operations, and project teams to deploy system changes, resolve complex technical issues, and continuously improve network performance. This role offers the opportunity to work with cutting-edge Core Network technologies, cloud-native platforms, and automation tools in a fast-paced and collaborative environment.
What you will do:
- Implement, test, and validate backup and restore procedures for Core Network elements.
- Deploy, test, and validate network solutions and system changes to ensure successful implementation.
- Monitor, troubleshoot, and resolve hardware, software, and network issues in production environments.
- Perform preventive maintenance activities to maximize network availability, reliability, and service quality.
- Investigate network performance issues and collaborate with customers and internal teams to identify and implement improvements.
- Support incident management and service restoration to minimize network impact.
- Collaborate with engineering, field operations, and project teams to ensure successful service delivery.
- Participate in customer meetings and provide technical recommendations and operational support.
- Execute security, audit, compliance, and reporting activities in accordance with Ericsson Managed Services processes.
- Prioritize operational tasks and ensure timely delivery in line with agreed service levels.
- Participate in after-hours support and on-call activities as required.
The skills you bring:
- Bachelor's degree or above in Telecommunications, Computer Science, Information Technology, or a related discipline, or equivalent professional qualifications.
- Minimum of 5 years of experience in the IT and/or Telecommunications industry.
- Good understanding of LTE and 5G Core network architecture and topology.
- Knowledge of EPC network elements such as MME, HSS, SGW, PGW, PCRF/SAPC, UDC/CUDB, and DNS/IP Works. Knowledge of 5G Core network functions is an advantage.
- Understanding of IP networking fundamentals and routing protocols, including ISIS, OSPF, and BGP.
- Familiarity with telecommunications protocols such as S1AP, SCTP, GTP, Diameter, and LDAP.
- Experience with Linux operating systems and command-line administration.
- Knowledge of Kubernetes and containerized applications.
- Experience working with networking platforms from Ericsson, Cisco, Juniper, or similar vendors.
- Basic scripting or automation skills using Shell, Python, or similar languages are desirable.
- Exposure to F5 Load Balancers, firewalls, and IP security technologies is an advantage.
- Understanding of Ericsson eNodeB, gNodeB, or Mini-Link platforms is preferred.
- Industry certifications such as CCNA, CCNP, or RHCSA are considered an advantage.
- Strong analytical and troubleshooting skills with the ability to resolve complex technical issues.
- Excellent communication and collaboration skills with a customer-focused mindset.
- Ability to work independently and effectively within cross-functional teams.
- Strong prioritization and time management skills in a production support environment.
- Commitment to operational excellence, continuous improvement, and knowledge sharing.
Why join Ericsson?At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Australia (AU) || Sydney
Req ID: 788052
Skills Required
- Bachelor's degree in Telecommunications, Computer Science, IT, or related discipline (or equivalent)
- Minimum of 5 years experience in the IT and/or Telecommunications industry
- Good understanding of LTE and 5G Core network architecture and topology
- Knowledge of EPC network elements (MME, HSS, SGW, PGW, PCRF/SAPC, UDC/CUDB) and DNS
- Understanding of IP networking fundamentals and routing protocols (ISIS, OSPF, BGP)
- Familiarity with telecommunications protocols (S1AP, SCTP, GTP, Diameter, LDAP)
- Experience with Linux operating systems and command-line administration
- Knowledge of Kubernetes and containerized applications
- Experience with networking platforms from Ericsson, Cisco, Juniper, or similar vendors
- Basic scripting or automation skills (Shell, Python, or similar)
- Exposure to F5 Load Balancers, firewalls, and IP security technologies
- Understanding of Ericsson eNodeB, gNodeB, or Mini-Link platforms
- Industry certifications such as CCNA, CCNP, or RHCSA
- Strong analytical and troubleshooting skills; excellent communication and collaboration; ability to work independently and manage priorities in a production support environment
What the Team is Saying
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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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