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About the Role

Join Ericsson as a Core Network Support Engineer to ensure the stability, performance, and reliability of mission-critical mobile core networks. You will implement, validate, and support LTE and 5G Core network solutions, delivering operational excellence for customers. This role involves working with cutting-edge technologies, cloud-native platforms, and automation tools.

Responsibilities

• Implement, test, and validate backup and restore procedures for Core Network elements.
• Deploy, test, and validate network solutions and system changes.
• 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.
• Prioritize operational tasks and ensure timely delivery in line with agreed service levels.
• Participate in after-hours support and on-call activities as required.

Requirements

• 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.

Skills

• LTE
• 5G Core network
• EPC network elements
• MME
• HSS
• SGW
• PGW
• PCRF/SAPC
• UDC/CUDB
• DNS/IP Works
• IP networking
• ISIS
• OSPF
• BGP
• S1AP
• SCTP
• GTP
• Diameter
• LDAP
• Linux
• Kubernetes
• Containerized applications
• Ericsson networking platforms
• Cisco networking platforms
• Juniper networking platforms
• Shell scripting
• Python scripting
• F5 Load Balancers
• Firewalls
• IP security
• Ericsson eNodeB
• Ericsson gNodeB
• Ericsson Mini-Link platforms
• CCNA
• CCNP
• RHCSA
• Analytical skills
• Troubleshooting skills
• Communication skills
• Collaboration skills
• Customer focus
• Independent work
• Cross-functional teamwork
• Prioritization
• Time management
• Operational excellence
• Continuous improvement
• Knowledge sharing

Location

• Sydney, Australia

Work Type

• Full-time

Experience Level

• Minimum of 5 years of experience

Education Level

• Bachelor's degree or above in Telecommunications, Computer Science, Information Technology, or a related discipline, or equivalent professional qualifications.

About the Company

• At Ericsson, you´ll have an outstanding opportunity to use your skills and imagination to push the boundaries of what´s possible and build solutions never seen before. You'll be challenged but not alone, joining a team of diverse innovators driven to go beyond the status quo to craft what comes next.

Equal Opportunity

• 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.