PS Core Network Engineer

As a PS Core Engineer at our company, you will be part of a team responsible for the daily management, operation, and troubleshooting of mobile data core platforms. We are seeking a structured individual with a technical and practical mindset. Your analytical skills and solid technical foundation will be crucial in focusing on outcomes and driving results. **Responsibilities:** - Daily management and operation of mobile data core platforms within your responsibility area - Handling typical platforms such as SGSN, GGSN, MME, EPG, PCRF, IPv4 NAT solution, DNS and Radius server, GRX/IPX border router, and firewall - Securing and restoring quality in maintained platforms, networks, and solutions while providing 2nd and 3rd line technical support - Participation in scheduled 24x7 on-call duty - Actively engaging in resolving network issues and service disturbances - Collaborating with subject matter experts to resolve escalated issues within defined service level agreements - Keeping the 1st line updated on ongoing trouble tickets and providing comprehensive reports on issues - Escalating tickets to suppliers after severity analysis - Designing and implementing configuration data into maintained platforms - Performing software upgrades and updates implementation - Conducting platform hardware maintenance on-site - Updating necessary documentation - Continuous learning and updating of the internal knowledge base with new support solutions - Recommending standards, instructions, methods, and procedures related to network operation **Qualifications and Experience:** - MSC or BSC degree in Technical Science or equivalent expertise gained through work experience or certifications - 3+ years of experience in network operations, management, and engineering - Thorough knowledge of mobile data core architecture, elements, and IP networking - Proficiency in signaling in mobile networks, SS7, Sigtran, BGP, and OSPF routing - CISCO certification preferred - Understanding of mobile network technology and network-based applications - Experience in mobile data roaming implementation and operation is advantageous - Previous exposure to Unix server and/or database administration is a plus - Previous experience in network firewall administration is beneficial If you are interested in this opportunity, please send your CV to career@jinraitech.com. Our company values your commitment to working full-time and in-person.,