shahbaz khan

Currently working for Ericsson as Packet Core SME (consultant) and responsible for daily Operation & Maintenance of Ericsson/Huawei PS Core Nodes which include EPG SSR 8020, Junos M320, IPWORKS 12 & 15B, MKVIII & MKVI+ SGSN/MME, MSP Platform, Huawei USN, UPCC/PCRF & UGW EPC Solution. I have good understanding of traffic flows on Gx, Gy, S1, ESy S6a, SGs, Gb, 3GDT, IU-PS, Gr, Gn/Gp, S11, S4, S5/S8, Gi/SGi Interfaces . I can efficiently use tools for finding complex faults & degradation in PS core network.

I have good skills in Linux & deployed Openstack cloud environment for Mobilis.

I wrote several linux scripts for Mobilis, which automated routine tasks & brought efficiency operations tasks.

Involved with Ericsson Projects & Mobilis Planning team for delivering voLTE POC for Mobilis which involved IMS & vEPC NFVIs, based on Ericsson HDS8000 Hardware (VDC “virtual data center”).

 I was working for Warid as Back Office EPC/PS Core Engineer and responsible to retain the KPIs of LTE Packet Core Network Elements as per agreed SLA with customer. Hands on Expertise of Ericsson & Cisco Packet Core nodes with advance knowledge of ATPs, Configuration Changes, MOPs, Network Changes, Integration & Migration activities .
 Excellent troubleshooting & integration skills for Cisco ASR 5000 Series MME/SGSN/GGSN/PGW/SGW & Ericsson MkVI+ (R12/R13B/R14A) SGSN/MME. Worked on MPG M320 GGSN & SSR8020 Based EPG 13A.
 Excellent Knowledge deep packet inspection, SACC, PCRF, PCEF & Cisco ECS Systems.
 Good understanding of configuration of policies and rules in Ericsson TSP based SAPc/PCRF using Gx+ PCC interface.
 Configuration & operation of 4G LTE roaming traffic on EPC nodes including DNS (IPWORKS + Cisco DNS), SGSN (Ericsson + Cisco) & PGW (Ericsson + Cisco)
 Good understanding of NATPR Flows & configuration required for EPC network.
 Good understanding of TAC/LAC mapping & CS services required for CSFB in EPC network.
 Excellent troubleshooting skills for finding problem in network using traces for example wireshark, EBM tool, PDC tool & Ericsson toolbox for MME & EPG .
 KPI’s monitoring and plotting critical traffic on Cacti for graphical representation of interfaces traffic.
 Very good understanding of IP technology as I am responsible for Junipers and Cisco Based Switches, Firewall and Routers used within Warid Packet PS core network for connecting EPC/PS core nodes.
 NAT rules implementation in Junipers SRX5400 and SRX3600 Firewalls for EPC SGi traffic flows towards public ISP.
 Definition of Security polices & routing instances in Junos SRX Firewall.

Worked as Core Network Support & Performance Engineer at Ericsson Pakistan. Following are my expertise,
 Core network Support which include troubleshooting of APZ 212 30/33/40/50/55/60 and APG 40/43 (R13.2, R12 & R11)
 Core Network related software upgrades, for example IPA, EPA, AGM, system upgrades and correction loading .
 Good understanding of Standard Ericsson CS Core Switches Counters, KPI and its formula’s.
 CSR Handling across the Region.
 Collection, processing and analysis of statistical data from core nodes.
 Using statistics to identify the congested parts of the Core network.
 Core network KPI Benchmark against NetQB values.

I was working as NSS/BSS Engineer in Ericsson Pakistan on the O&M project for Warid Telecom, Experience on APZ 212 40/50, APG40 (Windows NT & Windows 2003 based), OSS, Winfiol, Citrix applications.

I was working as Service Engineer Accessed at Ericsson GSDC Pakistan. My main Job responsibility was to perform SW Roll-outs & Upgrades to keep the network updated which also include Pre-analysis, Extended Health checks & installing latest software on AXE and APG Nodes. I have a hands on experience on AXE 810 (APZ 212 33/40/50/55/60), IOG20, AGP40 (C/2 & C/4), APG43