PS Core Engineer – Ericsson | Tangent International | Saudi Arabia (KSA)

Tangent International; Saudi Arabia; On-site; SAR 300,000 - 600,000; Full time

Job summary

Tangent International is seeking a highly skilled PS Core Engineer in Saudi Arabia to deploy and optimize Ericsson EPC and 5G core nodes, including MME/PGW/SMF/UPF, with expertise in GTP, Diameter, HTTP/2, and SCTP. You will work with ENM/ENIQ, Wireshark, and cloud-native platforms to ensure service continuity and performance.

Responsibilities include troubleshooting, KPI analysis, automation scripting, and collaboration with cross-functional teams.

Qualifications

• Bachelor's degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or related discipline.
• 4 to 8 years in Packet Switched Core (PS Core), EPC, and 5G Core engineering.
• Hands-on Ericsson experience and familiarity with core signaling protocols.
• Experience with cloud-native and virtualized infrastructures (Kubernetes, Docker, OpenStack, VMware).

Responsibilities

• Deploy, configure, and manage Ericsson Packet Core (EPC) and 5G Core elements (MME, EPG, PGW, SGW, SMF, UPF).
• Troubleshoot, fault isolate, and optimize PS/5G core domains.
• Analyze signaling protocols (GTP, Diameter, HTTP/2, SIP, SCTP) with Wireshark and vendor tools.
• Monitor KPIs and capacity using ENM/ENIQ and OSS platforms.
• Manage VNFs/CNFs across Kubernetes, Docker, OpenStack, VMware.
• Develop automation scripts (Python, Bash, Expect, AWK) for core operations.
• Collaborate with NOC, field engineering, and client stakeholders.
• Adhere to regulatory standards, change control, and security procedures.
• Participate in on-call, incident response, and maintenance windows.
• Document architecture, runbooks, and RCAs.

Skills

PS Core

5G Core

GTP

Diameter

HTTP/2

SCTP

Ericsson ENM

ENIQ

Kubernetes

Docker

OpenStack

VMware

Python

Bash

Automation

Education

Bachelor's degree in Telecommunications Engineering or related field

Tools

Ericsson CLI

Wireshark

Network Manager (ENM)

ENIQ

OSS platforms

Kubernetes

Docker

OpenStack

VMware

Job description

Position Summary:

We are seeking an exceptionally skilled and experienced PS Core Engineer specializing in Ericsson Packet Core and 5G Core environments to join Tangent International on a full-time basis in Saudi Arabia (KSA). In this critical telecommunications infrastructure role, you will be responsible for deploying, optimizing, and troubleshooting cutting-edge packet-switched core network elements including MME, EPG, PGW, SGW, SMF, UPF, and PCC/PCG platforms [cite: 3]. The ideal candidate will bring 4 to 8 years of professional packet core experience within major telecom vendor environments, deep technical mastery of core signaling protocols (GTP, Diameter, HTTP/2, SCTP), and hands-on operational exposure to Ericsson ENM, ENIQ, and Kubernetes cloud-native architectures [cite: 3]. If you possess a distinguished background in mobile core network optimization and virtualization, we invite you to apply.

Detailed Job Description:

As a PS Core Engineer at Tangent International in Saudi Arabia (KSA), you will serve as the principal technical authority responsible for managing, troubleshooting, and optimizing next-generation mobile core networks. Your daily responsibilities will encompass configuring and managing Ericsson EPC and 5G Core nodes (MME, SGSN-MME, EPG, PGW, SGW, SAPC, SMF, UPF, NEF) [cite: 3], analyzing signaling protocol traces using Wireshark and Ericsson CLI, and managing virtualized and containerized deployments across VMware, OpenStack, and Kubernetes [cite: 3]. You will perform KPI analysis, capacity planning, and proactive fault management to ensure exceptional network availability and subscriber quality of experience [cite: 3].

Key Responsibilities:

• Deploy, configure, integrate, and manage Ericsson Packet Core (EPC) and 5G Core network elements (MME, EPG, PGW, SGW, SMF, UPF) [cite: 3].
• Execute rigorous troubleshooting, fault isolation, and performance optimization across 2G/3G/4G/5G core domains [cite: 3].
• Analyze complex signaling protocols including GTP, Diameter, HTTP/2, SIP, and SCTP using Wireshark and vendor tools [cite: 3].
• Monitor network performance KPIs, traffic growth, and capacity utilization using Ericsson ENM, ENIQ, and OSS platforms [cite: 3].
• Manage virtualized and containerized core network functions (VNFs/CNFs) across Kubernetes, Docker, OpenStack, and VMware [cite: 3].
• Develop and execute automation scripts using Bash, Python, Expect, and AWK to streamline core operations [cite: 3].
• Collaborate proactively with cross-functional network operations (NOC), field engineering, and client stakeholder teams [cite: 3].
• Ensure strict adherence to telecommunications regulatory standards, change management procedures, and security protocols.
• Participate in on-call rotation, emergency incident response, and planned maintenance cutover windows.
• Author comprehensive technical documentation, architecture runbooks, and root-cause analysis (RCA) reports.

Required Qualifications & Skills:

• Bachelor's degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or a related discipline.
• Minimum of 4 to 8 years of dedicated professional experience in Packet Switched Core (PS Core), EPC, and 5G Core engineering [cite: 3].
• Strong hands-on operational experience within Ericsson telecommunications and managed services environments [cite: 3].
• Deep technical expertise across core nodes: MME, SGSN-MME, EPG, PGW, SGW, SAPC, SMF, UPF, and NEF [cite: 3].
• Mastery of core signaling protocols: GTP, Diameter, HTTP/2, SIP, and SCTP [cite: 3].
• Hands-on proficiency with Ericsson CLI, Network Manager (ENM), Network IQ (ENIQ), and Wireshark [cite: 3].
• Proven experience managing cloud-native and virtualized infrastructure (Kubernetes, Docker, OpenStack, VMware) [cite: 3].
• Strong scripting and automation skills using Python, Bash, Expect, and AWK [cite: 3].
• Outstanding analytical problem-solving, KPI tracking, and cross-functional communication capabilities [cite: 3].
• Mandatory residency/work authorization: Ability to operate on-site in Saudi Arabia (KSA) [cite: 3].

Nice-to-Have Skills:

• Professional certifications such as Ericsson Certified Associate/Professional in Packet Core or Kubernetes (CKA).
• Prior experience leading major packet core swap-out or network modernization projects (MUNA strategies).
• Familiarity with 5G Standalone (SA) network slicing, service-based architecture (SBA), and edge computing.
• Immediate availability for local mobilization in Saudi Arabia.

Salary/Rate: Competitive market rate

Deadline: Immediate

Contract Duration: Full Time / Permanent (Saudi Arabia)

Notice Period: Immediate to 30 Days