Integration Engineer (Saudi Arabia) Riyadh

Requirements

Candidates must hold a bachelor’s degree in a relevant engineering field and possess professional experience in telecom integration, specifically with IMS, UDM, or 5G core technologies. Strong knowledge of IP networking, signaling protocols, and cloud-native environments like Kubernetes is required.

Job Summary

Join our Team
About this opportunity:
We are looking for an Integration Engineer – IMS & UDM to design, integrate, configure, upgrade, and maintain telecom solutions within customer networks.
You will combine hands-on engineering with customer engagement and end-to-end delivery ownership, working across IMS, UDM, subscriber data, 4G/5G Core, and cloud-native environments. You will collaborate with customer technical teams, product experts, support organizations, and project stakeholders to successfully introduce and maintain services in live networks.
What you will do:
Engage with customers to understand requirements, resolve technical issues, present solutions, and coordinate implementation activities.
Analyze network architecture, interfaces, capacity, dependencies, and operational constraints.
Prepare and execute HLD, LLD, MoP, implementation, testing, upgrade, and rollback plans.
Integrate and configure IMS and UDM network functions with surrounding systems.
Perform software upgrades, patches, migrations, feature activation, and post-change validation.
Verify licenses, subscribers, interfaces, redundancy, alarms, counters, and operational procedures.
Troubleshoot signaling, configuration, performance, and service issues across SIP, Diameter, SS7/SCCP, HTTP/2, REST/SBA, TLS, and IP.
Analyze logs, traces, alarms, counters, and packet captures to determine root causes and corrective actions.
Support 4G/5G Core, VoLTE, VoNR, VoWiFi, roaming, interworking, and subscriber authentication use cases.
Work with virtualized and cloud-native environments, including Kubernetes and CNF/VNF.
Support customer acceptance testing, handover, knowledge transfer, and production stabilization.
Participate in planned maintenance windows, production changes, migrations, failover testing, and service restoration when required.
The skills you bring:
Bachelor’s degree in Telecommunications, Computer Science, IT, Computer Engineering, or a related field.
Professional telecom integration experience, preferably within IMS, UDM, EPC/5GC, HSS/HLR, subscriber data, or service platforms.
Strong knowledge of IMS technologies such as CSCF, TAS/Application Servers, SBC, and HSS/HLR.
Experience with subscriber-data technologies such as UDM, UDR/UDSF, AUSF, HSS-FE, HLR-FE, CCDM, or CCSM.
Hands-on experience with configuration, integration, upgrades, patching, feature activation, and troubleshooting.
Good understanding of SIP, Diameter, SS7/SCCP, HTTP/2, REST, DNS, TCP/IP, TLS, and PKI.
Strong IP networking knowledge, including routing, VLANs, firewalls, load balancing, DNS, and high availability.
Experience with Kubernetes, CNF/VNF, virtualization, or cloud-native telecom environments is highly valued.
Experience with VoLTE, VoNR, VoWiFi, roaming, 5G Core, or subscriber-data migration is an advantage.
Strong customer-facing communication, problem-solving, and delivery ownership.
Ability to work independently and collaborate with distributed teams.
Willingness to support night/weekend maintenance windows and on-call activities when required.
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: Saudi Arabia (SA) || Riyadh
Req ID: 791958
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Responsibilities

The Integration Engineer will design, configure, and maintain telecom solutions including IMS and UDM within customer networks. They are responsible for end-to-end delivery, including software upgrades, troubleshooting, and collaborating with stakeholders to ensure service stability.

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