Performance Core Engineer (CS Core, Packet Core, IMS & KPI Analysis) | SIS Global | Saudi Arabia

SIS Global; Saudi Arabia; On-site; SAR 240,000 - 360,000; Full time

Job summary

SIS Global is seeking a Performance Core Engineer to own KPI surveillance, traffic analytics, and optimization across CS Core, EPC/5GC, and IMS in Saudi Arabia. The role focuses on performance improvement, incident management, and executive reporting within a high-visibility telecom project.

You will collaborate with regional operators and recruiters, ensuring on-site delivery and adherence to strict SLAs. This permanent position offers growth in a leading international telecom consultancy.

Qualifications

• Bachelor’s degree in Telecommunications Engineering or related field.
• 4+ years in telecommunications core network engineering & performance management.
• Experience with CS Core, Packet Core (EPC/5GC), and IMS.
• Familiarity with KPI analysis, performance tools, and data-driven optimization.
• Experience with traffic statistics, anomaly detection, and RCA.

Responsibilities

• Monitor Real-time Core Network KPIs, traffic statistics, and performance counters.
• Analyze complex network performance data across CS Core, Packet Core, and IMS.
• Develop and coordinate optimization plans and capacity upgrades.
• Assess impact of software releases, patches, and config updates before production.
• Support incident management and root-cause analysis for outages.
• Prepare performance reports and executive summaries for stakeholders.
• Identify opportunities for automated telemetry and analytics scripts.
• Maintain documentation and change logs.

Skills

Core network expertise

Analytical problem solving

stakeholder communication

on-site readiness

Education

Bachelor’s degree in Telecommunications Engineering

Tools

Diameter protocol

GTP protocol

SIP protocol

ISUP protocol

MAP protocol

Job description

Position Summary:

Driving advanced core network performance optimization, traffic analytics, and service quality engineering in Saudi Arabia, SIS Global is actively seeking an accomplished Performance Core Engineer for a permanent full-time professional engagement. In this vital technical role, you will take full operational, tactical, and technical ownership of core network key performance indicators (KPIs), traffic pattern evaluation, counter analysis, and root-cause troubleshooting across circuit-switched, packet-switched, and IP Multimedia Subsystem (IMS) domains. Bringing extensive professional experience in telecommunications core networks and managed services environments, you will empower premier regional telecom operators to achieve uncompromised core network availability, superior subscriber quality of experience, and robust traffic scalability. This prestigious career opportunity offers competitive remuneration, high-visibility regional project exposure, and professional growth within a leading international technical recruitment and telecommunications consulting enterprise.

Detailed Job Description:

As a Performance Core Engineer supporting SIS Global on an on-site basis in Saudi Arabia, you will take full operational, tactical, and technical ownership of core network KPI surveillance, performance improvement plan execution, and change impact assessments. Your day-to-day responsibilities include monitoring CS Core, Packet Core, and IMS core network nodes, analyzing network performance data and traffic counters, developing and coordinating optimization plans, supporting incident management and root-cause analysis (RCA), preparing executive performance reports for stakeholders, identifying opportunities for telemetry analytics and automation, collaborating with cross-functional engineering squads, and interacting directly with regional technical recruiters like Mahmoud El-Tahawy. Furthermore, you will manage application requirements by submitting your updated CV via direct email to Mahmoud El-Tahawy at [e-mail].

Key Responsibilities:

• Monitor real-time Core Network KPIs, traffic statistics, and performance counters to identify deviations, congestion risks, and service quality degradation.
• Analyze complex network performance data, subscriber traffic patterns, and node load distributions across mobile core architectures.
• Develop, coordinate, and execute targeted performance improvement plans, capacity upgrades, and parameter optimization strategies.
• Assess the operational impact of core network changes, software releases, patches, and configuration updates prior to production deployment.
• Support rigorous incident management, emergency troubleshooting, and deep root-cause analysis (RCA) for core network outages.
• Prepare comprehensive performance reports, trend analyses, and executive summaries for internal stakeholders and operator clients.
• Identify, design, and implement opportunities for automated telemetry, analytics scripts, and operational workflow optimization.
• Maintain meticulous technical documentation, KPI baseline ledgers, optimization runbooks, and change management logs.

Required Qualifications & Skills:

• Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or related technical discipline.
• Minimum of 4+ years of progressive professional hands‑on experience in telecommunications core network engineering and performance management.
• Strong, demonstrable operational expertise in core network architecture and technologies, including CS Core, Packet Core (EPC/5GC), and IMS.
• Comprehensive working knowledge and practical proficiency with core network nodes, performance management tools, and KPI analysis methodologies.
• Deep practical experience in traffic statistics collection, anomaly detection, and root‑cause troubleshooting.
• Solid practical grasp of telecommunications signaling protocols (Diameter, GTP, SIP, ISUP, MAP) and network diagnostic tools.
• Exceptional analytical problem-solving aptitude, data interpretation capabilities, and professional stakeholder communication skills.
• Mandatory legal work authorization and physical availability for on‑site professional operations in Saudi Arabia.

Nice-to-Have Skills:

• Prior professional working experience in telecom managed services, multinational operators, or vendor environments (such as Ericsson or Huawei).
• Professional vendor certifications such as Ericsson Certified Associate/Professional, Huawei HCIP/HCIE Core Network, or Cisco CCNA/CCNP.
• Hands‑on familiarity with data analytics scripting languages (Python, SQL) and visualization platforms (Grafana, Tableau).
• Experience utilizing enterprise agile tracking and IT service management (ITSM) platforms (Jira, ServiceNow).
• Active participation in telecommunications standards bodies, 3GPP working groups, or core engineering user forums.

Application Information:

• Recruiter: SIS Global Recruitment Division
• Contact Name: Mahmoud El-Tahawy (Regional Technical Recruiter & GCC Talent Acquisition Headhunter)
• Email: [e-mail]
• Phone:
• Company Website: https://www.sisglobal.net
• Salary/Rate: Market Competitive / Enterprise Telecom Relocation Package
• Work Schedule: On-Site Operations (Saudi Arabia)
• Deadline: Open until filled (Urgent Saudi Arabia Performance Core Engineer Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Permanent / Full-Time On-Site Engagement (Saudi Arabia)

Recruitment Pro Tip:

• When applying for this Performance Core Engineer position through SIS Global, ensure your resume explicitly highlights your CS Core/Packet Core/IMS performance monitoring tenure, KPI analysis expertise, and familiarity with managed services environments in the GCC region.