Nay Myo Htet

- Led the design, rollout, and implementation of new VAS and Packet Core hardware and software, ensuring seamless integration and optimal performance. - Oversaw the operation and maintenance of 4G/5G Mobile Packet Core network elements and VAS system, including MME, SAE, AMF, SMF, UPF, PCF, SMSC, MCA, Voice Mail, IP Backbone Switches/Routers, Firewalls, and Cloud infrastructure. - Collaborated with cross-functional teams, vendors, and stakeholders to plan and execute network changes, including integration of new services, corporate network expansion, and roaming network integration. - Conducted network performance and optimization activities, achieving and surpassing agreed-upon KPI thresholds for the VAS and PS Core network. - Managed network projects, including expansion, migration, software upgrades, hardware replacements, and system testing, ensuring smooth transitions and minimal disruptions. - Provided 24/7 on-call support for network emergencies, participated in incident management, and facilitated prompt resolution of critical network incidents. - Provided technical guidance and mentoring to team members, fostering professional development. - Proficient in Linux, Oracle Database, MySQL Database, OpenStack, Kubernetes, Python, Virtualization, Cloud, and NFV. - Implemented 5G SA Core and CUPS solutions, gaining hands-on experience in their deployment. - Possess thorough knowledge of 3GPP standards in 5G Packet Core.

- Led the deployment of Virtualized EPC (Phase 2 & 3) and 5G Trial Projects. - Contributed to network design, rollout, and project support activities. - Oversaw hardware expansion, new node integrations, migrations, and testing. - Managed IP infrastructure within the VAS and Packet Core Network (Routers, Switches, Firewall). - Conducted software and hardware upgrades version and updates patch. - Assumed responsibilities for 5GSA deployment, including AMF, SMF, UPF, NRF, and PCF. - Managed international roaming tie-up configuration, testing, troubleshooting and documentation updates. - Collaborated with cross-functional teams to develop technology architecture and migration plans. - Developed and executed User Acceptance Test plans. - Analyzed and improved VAS & PS Core KPIs, preparing reports and counters for deep troubleshooting. - Resolved SMSC (A2P, P2P issue) and PS core trouble tickets. - Performed configuration, feature testing, and troubleshooting of VAS and Packet Core Network. - Utilized protocol analyzers such as TCPDUMP and WIRESHARK for in-depth analysis. - Proficient in IP switching and routing protocols such as OSPF, BGP, MPLS, IPv6, VRRP, VSS, VSC, MC-LAG, HSRP, GRE, MPLS, L2VPN, L3VPN, Multicast, QoS, IPSEC, NAT, and Radius. - Hands-on experience with CGNAT and firewall technology installation and configuration.

- Successfully deployed the Virtualized EPC and SMSC system in Yangon and Mandalay. - Conducted health checks and performed KPI analysis of live network nodes including SGSN, MME, GGSN, PGW, SGW, DNS, SMSC, MCA, MDM, and Voice Mail. - Verified HLD/LLD for vEPC and SMSC deployment, testing NFV function, 2G/3G/4G data, VoLTE first call, SMS service, and completed acceptance testing. - Led the design, rollout, and implementation of A2P SMS with an international SMS Hub. - Managed hardware replacements, system configurations, and software version upgrades for VAS and PS Core nodes. - Installed, commissioned, configured, operated, and maintained for SMSC, vEPC, CG, DNS, OSS. - Integrated PS system with DRA, HSS, MSS, OCS, IT Billing, PCRF, Gi-Gn DNS, OSS, NMS, IRGE, IPX, vAAA Radius Server, and Charging Gateway Server. - Integrated SMSC system with STP, HLR, MSC, OCS, Billing, SMS Gateway, Domestic Operators, and International, and performed acceptance testing and in-service SMS (A2P, P2P). - Successfully deployed PCC policies, including Blocking Service, Limit Speed, Free Data, and QoS/QCI solutions for gaming services like MLBB and PUBG. - Conducted troubleshooting and end-to-end network performance and optimization activities. - Proficient in tracing and log analysis SMPP and Sigtran using tools like TCPDUMP and Wireshark for VAS domain. - Knowledgeable in DPI, PCC Rule, and communication protocols like TCP/IP, UDP, SCTP, DIAMETER, GTP, HTTP, HTTPS.

- Played a key role in the deployment and testing of Packet Core network elements and protocols, including SGSN, MME, GGSN, SGW, PGW, CG, DNS, OSS, using Huawei equipment. - Conducted regular performance analysis and optimization of the Packet Core network to ensure high-quality services and optimal network utilization. - Troubleshot technical issues in the packet core network and developed innovative solutions to resolve them, ensuring continuous network availability and optimal performance. - Installation, commissioning, configuration, integration of Huawei NE40 Router and performing acceptance testing. - Feature configuration and service awareness implementation of SGSN/GGSN/MME/S-GW/P-GW and DNS. - Coordinated with cross-functional teams to ensure seamless integration of new services into the Packet Core network.

- Successfully Installed, configured, and set up new ATMs at bank branches and other locations. - Resolved technical issues reported by bank staff and customers, ensuring uninterrupted ATM functionality. - Implemented security measures to protect ATMs from physical and cyber threats. - Collaborated with software developers and testing teams to validate ATM software updates and new features. - Troubleshot network issues, working with administrators and providers to resolve connectivity problems. - Maintained accurate documentation of ATM configurations, maintenance activities, and incidents. - Prepared regular reports on ATM performance, uptime, and incidents for management review. - Ensured that ATMs meet regulatory and compliance standards and local banking regulations.