Maruf Haider

About Maruf Haider

17+ years of telecom work experience.• 5G SA testing and PCAP validation.• LTE/VoLTE call flows and PCAP analysis for end to end troubleshooting.• Hands on working knowledge of EPC and IMS network elements: IBCF, MME MGCF MGW TAS (Nokia), SCC (Nokia), ENUM (Netnumber/Nokia), DNS (Bluecat), MRF (Nokia), MRS Nokia CNCS• Hands on working knowledge on GSM/CDMA/UMTS Mobile Switching Center (MSC), Media Gateway (MGW), Network Monitoring System (NMS), Signal Transfer Point (STP) and Home Location Register (HLR).• Working knowledge of SS7 signalling and call flows.• MSC and MGW commissioning, integration and troubleshooting.• Number Translation, service logic and call control, call routing and roaming, subscriber provisioning. • KPI measurement and optimization in MSC.• System health check and preventive maintenance.• Hardware expansion and software version upgrading (live network).• Node- swapping (BSC, HLR etc) in a live network.• 2nd/3rd level client support (trouble ticket handling). • Graduate level classroom exposure on: o 4G LTE (core and radio) and Next Generation Networks.o IP routing and switching. o Routing Protocols (RIP, OSPF).o VoIP (SIP, H.323, RTP, MGCP).o T- Carrier.o POTS and ISDN signalling.o ATM, MPLS.o WAN/LAN technologies.o Passive Optical Networks (PON)o Multiple Service Operators (MSO)o OFDM, MIMO and Beamforming.o Voice Traffic Engineering (Erlang B, Erlang C, Poisson and Binomial Distribution).o Queuing theory for data networks (Markovian and Poissonian).o Digital Network Synchronization (NTP).o Digital modulation and demodulation.o Network simulation with visual modelling using OPNET.o Fiber Optic telecom technologies (optical fiber, light sources and modulators, photo-diodes and receivers, optical amplifiers, dispersion compensators, optical multiplexers and demultiplexers, and couplers).o Telecommunications regulatory policy and standards.

Experience

1. Sr Engineer System Design

   T-Mobile

   Aug 2025 — Present

Education

• Rochester Institute of Technology

  Master of Science (MS), Telecommunications Engineering Technology

  2012 — 2014

• Bangladesh University of Engineering and Technology

  Bachelor of Science, Electrical and Electronic Engineering

  2000 — 2005

Skills

• Synchronization
• Pots
• Sccp
• Visio
• Live Upgrade
• Roaming
• Cdma
• Lte
• Core Switching
• Rip
• Core Network
• Optimization
• Opnet
• Telecom Switching
• Mss
• Gsm
• Circuit Switch
• Integration
• Hlr
• Cdrs
• Protocol Stacks
• Project Management
• Ip
• E1
• Ss7
• Huawei Msoftx 3000
• Stp
• Umts
• Troubleshooting
• Ngn
• Media Gateways
• Ospf
• Ntp
• Voice Switching
• Nms
• 2g
• Beamforming
• Primary Acceptance Test
• Expansions
• Preventive Maintenance