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I am a Senior Wireless Core & IT Network Specialist with 17+ years of experience across 3G/4G/5G packet core, policy control, and cloud-native infrastructures. I design, deploy, and optimize core networks in multi-vendor environments (Huawei, Nokia, Ericsson, Cisco), with a focus on 5G SA/NSA core, VoLTE/VoNR, QoS, network slicing, and policy management. I lead cross-functional teams, drive CI/CD automation, and manage large-scale wireless transformations ($500M+). I excel in agile delivery, risk management, and building resilient architectures using OpenShift, Kubernetes, NFV, and cloud platforms, while mentoring 40+ engineers.…I am a Senior Wireless Core & IT Network Specialist with 17+ years of experience across 3G/4G/5G packet core, policy control, and cloud-native infrastructures. I design, deploy, and optimize core networks in multi-vendor environments (Huawei, Nokia, Ericsson, Cisco), with a focus on 5G SA/NSA core, VoLTE/VoNR, QoS, network slicing, and policy management. I lead cross-functional teams, drive CI/CD automation, and manage large-scale wireless transformations ($500M+). I excel in agile delivery, risk management, and building resilient architectures using OpenShift, Kubernetes, NFV, and cloud platforms, while mentoring 40+ engineers.

A H M Arif Rabbani

DevOps Developer, Full Stack Developer, Web Developer, +5

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I am a Senior Wireless Core & IT Network Specialist with 17+ years of experience across 3G/4G/5G packet core, policy control, and cloud-native infrastructures. I design, deploy, and optimize core networks in multi-vendor environments (Huawei, Nokia, Ericsson, Cisco), with a focus on 5G SA/NSA core, VoLTE/VoNR, QoS, network slicing, and policy management. I lead cross-functional teams, drive CI/CD automation, and manage large-scale wireless transformations ($500M+). I excel in agile delivery, risk management, and building resilient architectures using OpenShift, Kubernetes, NFV, and cloud platforms, while mentoring 40+ engineers.…I am a Senior Wireless Core & IT Network Specialist with 17+ years of experience across 3G/4G/5G packet core, policy control, and cloud-native infrastructures. I design, deploy, and optimize core networks in multi-vendor environments (Huawei, Nokia, Ericsson, Cisco), with a focus on 5G SA/NSA core, VoLTE/VoNR, QoS, network slicing, and policy management. I lead cross-functional teams, drive CI/CD automation, and manage large-scale wireless transformations ($500M+). I excel in agile delivery, risk management, and building resilient architectures using OpenShift, Kubernetes, NFV, and cloud platforms, while mentoring 40+ engineers.

Available to hire

I am a Senior Wireless Core & IT Network Specialist with 17+ years of experience across 3G/4G/5G packet core, policy control, and cloud-native infrastructures. I design, deploy, and optimize core networks in multi-vendor environments (Huawei, Nokia, Ericsson, Cisco), with a focus on 5G SA/NSA core, VoLTE/VoNR, QoS, network slicing, and policy management.

I lead cross-functional teams, drive CI/CD automation, and manage large-scale wireless transformations ($500M+). I excel in agile delivery, risk management, and building resilient architectures using OpenShift, Kubernetes, NFV, and cloud platforms, while mentoring 40+ engineers.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Technical Director – Network Technology & Maintenance at Huawei Technologies (Bangladesh) Ltd.

June 1, 2025 - October 13, 2025

Led Wireless Core & Policy Network design and operations, delivering PCRF/PCF, VoLTE/IMS, VoNR, SMF, UPF, SDM/HSS/UDM, NRF/NSSF, and Network Slicing. Designed and deployed scalable, high-availability EPC & 5GC systems, integrating multi-vendor solutions for Axiata, Telenor, Veon, and government operators. Executed CI/CD automation pipelines and MoPs for new features, upgrades, and incident recovery. Coordinated cross-domain programs and monitored KPI dashboards to improve reliability; mentored 40+ engineers and delivered projects valued at over $500M.

Technical Team Leader – Network Integration & Technical Service Department at Huawei Technologies (Bangladesh) Ltd.

June 1, 2016 - October 13, 2025

Led a core network engineering team (3-8 members) delivering EPC/IMS/Policy deployments (PCRF, MME, SGSN, SPGW, HSS, DRA, Cloud Core). Managed changes and live upgrades, implemented QoS and policy enforcement across operators, and collaborated with NOC on troubleshooting using Wireshark/PCAP. Oversaw 15+ technical delivery projects and prepared technical service solutions, LLDs, costs and schedules; ensured risk mitigation and stakeholder alignment.

Technical Engineer – Network Integration Service Department at Huawei Technologies (Bangladesh) Ltd.

April 1, 2011 - October 13, 2025

Executed low-level design (LLD), configuration, and integration of MSC, IMS, PCRF, MGW, SPS, and HSS. Performed feature testing, upgrades, KPI monitoring for Core & Policy nodes.

Technical Director – Network Technology & Maintenance at Huawei Technologies (Bangladesh) Ltd.

June 1, 2025 - October 13, 2025

Led Wireless Core & Policy Network design and operations (PCRF/PCF, VoLTE/IMS, VoNR, SMF/UPF, SDM/HSS/UDM, NRF/NSSF, and Network Slicing). Designed and deployed scalable, high-availability EPC & 5G Core systems, integrating multi-vendor solutions for Axiata, Telenor, Veon, and government operators. Implemented CI/CD automation pipelines for testing, health checks, and deployment, reducing rollout timelines by ~30%. Authored MoPs for feature deployments, upgrades, and incident recovery. Coordinated cross-domain projects across RAN, IMS/Voice, Transport, IT/Cloud, Charging, and Business Ops. Directed KPI-based performance monitoring via Splunk, Netscout, and KPI dashboards, improving network reliability by 25%. Supported PoC trials for 5G SA core functions, policy enforcement, and QoS enhancements. Managed lifecycle of core products (scaling, patching, upgrades, lifecycle cost control). Led root-cause analysis for NOC incidents and established preventive measures. Mentored 40+ engineers,

Technical Team Leader – Network Integration & Technical Service Department at Huawei Technologies (Bangladesh) Ltd.

June 1, 2016 - October 13, 2025

Led a small core network engineering team (3-8 members) on Core/IT/Security projects with defined delivery timelines. Delivered EPC/IMS/Policy deployments including PCRF, MME, SGSN, SPGW, HSS, DRA, and Cloud Core functions. Participated in change management and live upgrades per operational guidelines. Implemented QoS and policy enforcement across operators. Collaborated with NOC to troubleshoot complex issues using Wireshark/PCAP. Led 15+ technical deliveries for telecom software, networks, and information systems; delegated tasks, prepared LLDs, cost/timeline estimates, and validated with technical director and project manager. Maintained risk and issue tracking and maintained stakeholder alignment through regular customer meetings.

Technical Engineer – Network Integration Service Department at Huawei Technologies (Bangladesh) Ltd.

April 1, 2011 - October 13, 2025

Executed low-level design (LLD), configuration, and integration of MSC, IMS, PCRF, MGW, SPS, and HSS. Performed feature testing, upgrades, and KPI monitoring for Core & Policy nodes.

Technical Director – Network Technology & Maintenance at Huawei Technologies (Bangladesh) Ltd.

June 1, 2025 - October 13, 2025

Led Wireless Core & Policy Network design and operations, delivering solutions including PCRF/PCF, VoLTE/IMS, VoNR, SMF, UPF, SDM/HSS/UDM, NRF/NSSF, and Network Slicing. Designed and deployed scalable, high-availability EPC & 5GC systems, integrating multi-vendor solutions for Axiata, Telenor, Veon, and government operators. Executed CI/CD automation pipelines for testing, health checks, and deployment, reducing rollout timelines by 30%. Authored MoPs for new feature deployments, upgrades, and incident recovery. Coordinated cross-domain projects with RAN, IMS/Voice, Transport, IT/Cloud, Charging, and Business Operations teams. Directed performance monitoring and optimization via KPI dashboards, Splunk, and Netscout, improving network reliability by 25%. Supported Proof-of-Concept trials for 5G SA core functions, policy enforcement, and QoS enhancements. Managed full lifecycle of core products, including scaling, patching, upgrades, and lifecycle cost control. Delivered root cause analy

Technical Team Leader – Network Integration & Technical Service Department at Huawei Technologies (Bangladesh) Ltd.

June 1, 2016 - October 13, 2025

Led the small team of core network engineers (3-8 members) delivering EPC/IMS/Policy deployments, including PCRF, MME, SGSN, SPGW, HSS, DRA, and Cloud Core functions. Participated in change management and live upgrades following strict operational guidelines. Implemented network QoS and policy enforcement features across operators. Collaborated with NOC teams on troubleshooting complex issues with Wireshark and PCAP. Led 15+ technical deliveries for telecom software and information system projects, assigning tasks, preparing technical service solutions, LLDs, and timelines. Maintained strong relations with project managers and customers from initiation to closure, ensuring milestones and PAC achievements.

Technical Engineer – Network Integration Service Department at Huawei Technologies (Bangladesh) Ltd.

April 1, 2011 - October 13, 2025

Executed low-level design (LLD), configuration, and integration of MSC, IMS, PCRF, MGW, SPS, and HSS. Performed feature testing, upgrades, and KPI monitoring for Core & Policy nodes.