Service Operation Engineer; LBS​/ENL SISGlobal

SISGlobal is actively seeking an experienced, high-caliber, and technical Service Operation Engineer specializing in LBS/ENL systems with mandatory previous Ericsson experience to join our telecom operations team in Riyadh, Saudi Arabia on a full-time permanent on-site basis. In this critical network operations and L2 support role, you will be responsible for providing expert L2 operational support for LBS/ENL systems within a complex telecommunications environment, ensuring uncompromised system availability, stability, and performance.

You will leverage your deep specialist expertise in Ericsson platforms, Linux server administration, IP networking, signaling protocols (Diameter/SS7/SIGTRAN), and virtualization to deliver uncompromised service resilience. This opportunity offers competitive compensation, executive technical visibility, and exceptional career growth prospects within a premier regional telecommunications solutions enterprise.

Your day-to-day responsibilities include providing L2 support and troubleshooting for LBS/ENL systems and applications, performing health checks and preventive maintenance, managing system integration and network changes, handling technical escalations, supporting disaster recovery, backup, restoration, and acceptance testing, managing critical incidents with root cause analysis to ensure strict SLA compliance, and participating in on-call support rotations. You will utilize your proactive troubleshooting and analytical skills to resolve complex telecommunications outages under strict service level agreements.

Furthermore, you will manage application requirements, ensuring strict compliance with the Ericsson experience and LBS/ENL expertise requirements.

• Provide expert L2 operational support, root-cause troubleshooting, and rapid incident resolution for LBS/ENL systems and applications.
• Perform scheduled preventive maintenance, system health checks, database performance tuning, and capacity optimization.
• Manage end-to-end system integrations, software upgrades, network configuration changes, and vendor technical escalations.
• Support disaster recovery drills, backup execution, data restoration procedures, and rigorous system acceptance testing.
• Manage critical operational incidents, conduct rigorous root-cause analysis (RCA), and ensure strict adherence to service level agreements (SLAs).
• Support automation scripting, telemetry monitoring, and continuous service improvement initiatives across telecom platforms.
• Collaborate cross-functional with core network engineers, RAN teams, database administrators, and client technical stakeholders.
• Author meticulous incident reports, maintenance runbooks, escalation logs, and standard operating procedures.

• Bachelor's degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or a related technical discipline.
• Mandatory previous professional working experience with Ericsson platforms and core telecommunications solutions.
• Strong hands-on operational expertise with LBS (Location Based Services) and ENL (Enhanced Node Location / Emergency Number Location) systems and applications.
• Solid practical knowledge of mobile communication standards including GSM, WCDMA, LTE, and 5G network architectures.
• Hands-on administrative proficiency in Linux operating systems (SUSE / RHEL), database administration, and Unix Shell scripting.
• Practical working knowledge of Python programming, IP networking principles, and signaling protocols (Diameter, SS7, SIGTRAN).
• Experience managing containerized and virtualized environments including Kubernetes, VMware, and enterprise hypervisors.
• Familiarity with packet analysis tools (Wireshark), core/RAN nodes, OSS integration, and on-call support availability in Riyadh, Saudi Arabia.

• Professional certifications such as Ericsson Certified Associate/Professional, Linux Administrator (RHCE), or Kubernetes Administrator (CKA).
• Prior professional working experience with Tier-1 mobile network operators (MNOs) such as STC or regional telecommunications providers in the GCC.
• Advanced exposure to cloud-native telecom deployments, Dev Ops pipelines, and CI/CD automation frameworks.
• Familiarity with enterprise ticketing platforms (Service Now, Jira) and ITIL service management methodologies.

• Recruiter: SISGlobal Human Resources & Talent Acquisition Division
• Contact Name:
  Omnia Elshamy…