Engineer Network
Resume:
Berard Tchoumba
Head of Network Services: DATA, VOICE, IN, VAS, EPC, CORE, IP/MPLS
Professional Overview
Accomplished professional with over 15 years experience in IT and Telcom, network integration and optimization
Worked across various countries, and provided leadership for successful planning and implementation of network development projects and knowledge transfer to local staff
Currently working with AIRTEL Gabon as Head of Network Services
In depth expertise in the launch of 3G and 4G LTE networks, interfaces and protocols and in project implementation, maintenance, troubleshooting and optimization of Network Services in DATA, IN,VOICE, VAS, EPC, CS PS CORE, IP/MPLS
Expertise in the implementation of strategy and standards and in project execution and control, maintaining quality and deadlines
Successfully directed teams to create technological solutions and new value-added services ensuring stability, reliability, and performance and cost optimization. Skills
Design, Optimization, Transformation, Alignment, Operations Business support for Voice, Vas and Data Services
3G and 4G LTE networks, interfaces and protocols
Good understanding of Packet Core and EPC interfaces ( Gn,Gi, Gb, Iups/cs,S6a, S1-u, S1-c, S5/S8, Sgi, S11, S10 )
PCC & IMS Solution and Protocols ( PCEF, PCRF,Gy,Diameter, Gx, eSy, SBC, HSS,SIP
Messaging solution, A2P, P2P SMS FW / Roaming Solution GRX, Steering, IREG, TADIG,
Power UP, Configure and Test MPBN/GPRS /WIMAX/IMS Nodes (Juniper/Huawei/Cisco/ZTE/Redback Routers, Huawei WASN, Ericsson SGSN /MME 2-SASN, GGSN,PGW,SGW, ePDGJuniper /Cisco /Huawei Firewalls, Cisco,Huawei and Extreme Networks Switches
IP Transport Backbone Technology and Solution (BGP/MPLS, IP VPN L2/L3, IS-IS and E-IBGP).
Security Technologies (VPN: L2TP, IPSEC, GRE; ACS, CBAC, AuthProxy, AAA with advanced knowledge in Firewall platforms: Juniper Netscreen 204.208/ SSG 2000, Cisco Fortinet Fortigate 100,200A
Router Platforms: Juniper (M/T Series), Redback (SmartEdge 800/1200) Cisco (28XX, 38XX, 72XX) and very good skills of Switching Platforms and Solutions: Extreme Networks :Black Diamond 8800 Series, Summit 48SI, and Cisco Catalyst 29XX,37XX; Vlan, STP,EAPS, VTP, Inter-Vlan routing.
IP Networking, routing and redundancy protocols (BGP, OSPF, EIGRP, VRRP, NSRP, HSRP)
UNIX systems: Sun Solaris, Linux. Management: Syslogs Servers, SNMP, Netflow, Cisco LAN Manager Professional Experience
AIRTEL GABON Libreville, Gabon Sep 2015 to April 2017 Head of Network Services: DATA, VOICE, IN, VAS, EPC, CORE, IP/MPLS
Setup, maintain and optimize network services (Voice, Data, Vas)
Leading 4G LTE launch Network Services transformation and modernization in line with Business strategy
Cross functional relationship management with IT, marketing, commercial, fraud and revenue assurance, finance, SCM, for Data Voice and Vas services to meet business requirements
Optimization of international link capacity, LCR (Low Cost Routing)
Full control of Network Nodes (Core EPC IN VAS MPLS IP )
Responsible for the overall CS CORE, PS CORE, EPC, VAS, IN rollouts, integration, deployment
Achievements at Airtel Gabon
Achieved cost saving of 175000 $ USD / month
by optimizing Opex on international Lease line
and AMCs
Grew data traffic by 25% by successfully
upgrading IP Network and defining E2E QOS
strategy on CORE nodes
Followed up NQI (Network Quality Index) to
ensure compliance with regulatory agency
Successfully provided full support and advice
on LTE IPRAN (177 Access Routers, 12
aggregation routers and 03 Core Routers) on
design, security and best practices
Email: ******.********@*****.***
Cell: +237*********
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AIRTEL Africa: Group Networks, Nairobi, Kenya Feb 2014 to Aug 2015 Deputy General Manager: CORE (EPC, IP) Data Solutions, EPC Reporting to Senior Vice President, Network Services
Design, drive, support and align Airtel Africa Networks (17 countries) with HQ Strategy.
Drive and lead Data Solutions Packet Core EPC,WIFI Solutions and IP/MPLS Core Networks transformation across Airtel Africa Opcos
Oversee design, optimization and implementation of all Packet Core and IP related Nodes in Africa
Liaise with MSPs (Ericsson, Nokia, Huawei, Alcatel) to ensure delivery project transition
Ensure Network Services in Opcos are compliant with vendor Roadmap ( Software, Hardware, Patch )
Oversee Airtel Africa CORE Data Solutions, MPLS networks, WIFI Solutions deployment, MPBN, Evolved Packet Core
Advisor of Group CTO and Senior VP NW services
Airtel HQ SPOC and leading deployment of AAPCN (Access Agnostic Packet Core Routers, DNS, Firewalls, Cache, EPG PGW/SGW, MME across Africa, coordination with Opco teams and Partners .
MTN Congo, Brazzaville, Republic of Congo Dec 2010 to Jan 2014 Subject Matter Expert: Packet and IP Core Networks
Design, integrate, optimize, troubleshoot various solutions include MPBN (Juniper Router M120, MX, Extreme Switches Black Diamond 8800 Series, Juniper Firewall ISG and SSG), PS Ericsson
(PCEF, GGSN,SGSN MME, ) PS ZTE ( SGSN Umac, GGSN xGw, eCG, AAA), Wimax, Huawei WASN, Huawei Firewalls, Switches ) IMS Huawei, (ENS, SE2600, HSS9820,ATS)
Conduct regular meeting related to full IP convergence strategy (Wimax,IMS, Wifi,3G ) with vendor, marketing, top management
Day by Day O&M activities on Core,Wimax,IMS, nodes: Health Check, Investigation Integration and Troubleshooting and issues escalated from NMC and local Engineers
Daily O&M activities on IP,Packet Core,Wimax,IMS nodes
Provide High level support to local engineers for MPBN, Packet Switching, Wimax
Achievements at Airtel Africa
Successfully led CORE Networks Migration
and conduct audits of Packet Core and MPBN
across Africa
Setup Performance Management strategy on
EPC (Evolved Packet Core) and IP
Successfully led outsourcing (Ericsson) to
insourcing (Airtel) transition of networks
services, defining best practices,
process, performance management
Successfully drive entire Core migration
project from Ericsson to Huawei and whole IP
Networks from Juniper to Huawei, in first time
right (FTR) manner
Achievements at MTN Congo
Involved during multivendor Packet Core
swap from Ericsson to ZTE
Drafting RFP for Core IP/MPLS, MPBN
upgrade, MDP (PCRF, PCEF, CACHE)
Successfully support local IT team to have
hand-on AAA wimax for provisioning
Successfully improve competencies of local
engineers on IP and Packet core domain
Annual award of MTN CONGO knowledge
share
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ERICSSON (Etisalat Mobily Account) Jeddah, Saudi Arabia June 2010 to Dec 2010 3G+ MPBN and Packet Core Consultant
Perform O&M on Mobily’s MPBN/GPRS HSPA+ Network, dimensioned for 10 Million GSM/WCDMA/GPRS subscribers, with four primary sites and twenty secondary sites
Troubleshoot on Core IP/MPLS/BGP Backbone over Point-to-Point and Point-to-Multipoint SDH OC3 links
Routine Health checks on SGSN R2009 and GGSN J20 of various interfaces Gn, Gi, Gom, Gb over IP and Gp
Conduct full, reliable, and complete acceptance tests of Twelve Juniper Shadow Routers
Update Packet Core Network High Level and Low Level Solution Design (HLD/LLD) includes Juniper M20 Routers, Juniper GGSN J20,Extreme Network Black Diamond Switches, Juniper ISG200 Firewall . ETISALAT MOOV, Lome, Togo April to May 2010
Packet Core Network Audit and Optimization Consultant
Perform end to end audit and optimization involving CGSN, Juniper Netscreen Firewall, Juniper Router, Extreme Network Switch
ZAIN (AIRTEL) Accra, Ghana Jan 2009 to Aug 2009
3G+ MPBN and Packet switching Consultant 2nd Line Support
Perform O&M, Audit and Fix the whole MPLS Backbone Network design as per MPBN Ericsson standard
Provide Technical Training and Guidance to OSS/NMC/BSS Locals Engineers the GPRS basics and how to handle Ericsson MPBN (Routers, Switches, Firewalls)
Handle Packet Core and MPBN Acceptance Test and Verification with Vendor according to Acceptance Test Documentation
Update Packet Core Network High Level and Low Level Solution Design (HLD/LLD) includes Juniper M20 Routers, Juniper GGSN, Extreme Network Black Diamond Switches, Juniper ISG200 Firewall . ETISALAT (MOOV), Bangui, Central African Republic Mar 2006 to Jan 2009 Joined as MPBN/GPRS Engineer in 2006
Promoted to Packet Core Network (MPBN/GPRS) Engineer
Provided necessary support for MPBN/GPRS/EDGE Network under 7 (seven) subsidiaries in Africa of Atlantique Telecom Group (Moov).
Leading the O&M of GPRS/MPBN, Datacomm (IP), and SGSN/GGSN, involved network planning, implementation and integration.
High level support on MPBN includes Juniper, Cisco, Extreme and Sun equipment. EQUACOMM PROVIDER, Douala, Cameroon Sep 2005 to Mar 2006 Datacomm IP Engineer
Preparation of IP network projects, specification arrangement in accordance to Customer orders, equipment and technology choice for projects
Design and implement Telecom CallCenter support procedures
Responsible of customers Lan/Wan Integration
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IPCOM, Douala, Cameroon Jan 2002 to July 2005
IP Planner and Designer Engineer
Provided remote and on-site support for domestic and international Internet customers
Large deployment of MP-BGP/MPLS VPN Backbone network according to customers requirements. Education
2017 - Ongoing :Master of Art : Leading Innovation and Change, York St John University, UK 2001 - Bachelor’s Degree in Computer Science - University of Technology, Bandjoun, Cameroon Professional Certifications
Cisco Certified Network Professional (CCNP)
Juniper Networks Certified Internet Specialist – M/T (JNCIS-M/T) Juniper Networks Certified Internet Specialist - Firewall (JNCIS-FWV) Juniper Networks Certified Internet Associate - Firewall (JNCIA-FWV) Securing Networks with PIX and ASA (SNPA)
Securing Networks with Cisco Routers and Switches (SNRS) Cisco Certified Network Associate (CCNA)
Training
EPC HSS/SLF 12 Operation Ericsson ( Gabon)
Leadership Gabon
LTE L15 Protocols and Procedures Ericsson ( Gabon) Datacom Training Huawei (China)
IMS Network Planning and Design Huawei (Congo)
IMS System Overview Huawei (Congo)
AAA Huawei (Congo)
WASN Wimax Huawei (China)
Packet Core ZTE (China)
MPBN Training Ericsson (Sweden)
Packet Core Ericsson (Sweden)
VPN&IP Security Ericsson (Sweden)
IP Networking Planning Ericsson (Sweden)
Datacomm Networking Ericsson (Nigeria)
Wap Technical Overview Ericsson (Nigeria)
Comtech-Memotec Voice and Data compression Newsat (Niger) Language Proficiency: English (Fluent), French (Native)
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