MAPPLCOM is multiservice platform and MVNO licensed holder in South African and UK, deals in VoIP Wholesale and Global Roaming-Free SIM service under consortium of 180 countries. Following are my responsibilities in MAPPLCOM:

• Responsible for setting up new Interconnects over SIP and SS7
• Voice Traffic routing and quality monitoring
• Media Gateway deployment and maintenance at remote sites
• Security and VPN implementation for Voice traffic
• Provide technical expertise and recommendations in assessing new systems/projects and initiatives to support and enhance existing systems
• Investigate and resolve application/systems functionality related issues
• Assist in managing outsource relationship for 3rd party system implementation and product development
• Assist NOC teams in troubleshooting and testing
• Analyze & identify data integrity issues with existing and proposed systems databases
• Produce technical documentation for new and existing systems/applications.
• Responsible for customized billing and charging
• Planning and implementation of new business requirements, technology advancement roadmaps and change requests for process improvement.
• Coordination with potential clients/vendors for route selling and route arrangements
• Responsible for end to end troubleshooting of all VoIP related issues
• Leading company’s operation department with responsibility to setup interconnects, route testing and monitoring

Brighterlite is multinational Norwegian company deals in alternate energy
solutions. I am working with Brighterlite as Manager IT & Telecom Solutions
and my scope of working is:

• Planning and implementation of Voice/Data networks and IT infrastructure as per business requirements and technology needs
• End to end VoIP infra and network operations of Three global offices (Pakistan, Kenya and Myanmar) contact centers
• Operations of Microsoft Dynamics ERP
• Server deployment on VMWare and cloud network
• Developed in-house SIP Asterisk based inbound/outbound call center for Brighterlite Pakistan, Brighterlite Kenya and Myanmar.
• Network security of Brighterlite global voice and data networks
• SIP Interconnection with vendors
• IPSec VPN connections setup with Telcos
• Application and software development to meet company’s operational needs
• Smooth working of mobile financial service with Telcos to receive monthly rental of Brighterlite services
• SMS short code implementation with Telcos
• Windows and Linux based system administration
• Setup and ensure smooth operations of support ticketing system to handle day to day customer complaints and queries
• Coordination with PTA (Pakistan Telecom Authority) for issuance and implementation of UAN and SMS short code
• Server management; Office 365, Microsoft Exchange, Azure, DHCP, FTP, VPN, Apache
• Management and coordination with Brighterlite regional teams
• Coordination with Brighterlite Global IT team
• Training and grooming of newly hired staff

“Nayatel (Pvt) Ltd” is a Triple Play FTTH service provider. My working experience in Nayatel was following:
• Lead NGN team, providing technical support and directions to ensure the delivery of telecommunication services in line with business service level requirements to the end users over FTTH network.
• Service configuration and setup on GPON and BPON ONTs
• O&M of Alcatel E10, Alcatel NGN 5020 MGC SoftSwitch
• O&M of Huawei SoftX3000 NGN
• Preventive maintenance of NGN Network
• Interconnect commissioning over SS7, SIGTRAN and SIP
• Delivery of POTS services using Residential Media Gateways over the SIP, Megaco/H.248
• SIP-Trunk configuration on Cisco AS5350 access gateways
• Real time traffic monitoring, configure automatic and manual routing to ensure maximum utilization of available resource.
• Monitor and ensure all telecommunication incidents are logged and
resolved within agreed SLA
• Strategic decision making for Nayatel Voice Network and suggest remedies to management for on time resolution.
• Continuously monitoring nationwide originated traffic
• Providing day to day analysis and forecasting of voice traffic
• Technical evaluations of new projects as pre required timeline and budget.
• Assist Chief Technology Officer in developing Nayatel’s voice technology
road-map.
• Commissioning of PRIs over Pseudowire Gateways (TDMoIP) and SIP
• Transportation of E1s over TDMoIP
• Network Management and Monitoring of E1 circuits
• Deployment of Asterisk based customized VoIP Solutions
• Commissioning of SIP based Hosted PBX Voice Services
• O&M of BiCom VoIP Reseller Solution and deliver of Hostex PBX services
• Management of Asterisk based office call center and PBX
• IPSec Tunnel Configurations and management
• Handling of White Label Service e.g. SMS over SMPP
• Bulk SMS Service over SMS Gateways
• Running outbound/predictive Dialer for different marketing campaigns and surveys and uploading sheets in dialer with required format.

Designing, implementation and expansion of Office Voice and Data Networks.
• Ensure office Network Security by Implementation of Firewalls, security policies and access lists.
• Installation of IP Camers and IP-Phones for remote office and colocations.
• Installation and deployment of Asterisk VoIP PBX.
• Operations and maintenance of Office Call Center.
• Implementation of Firewalls, security policies and access lists.
• Administration of Cisco DHCP Server and FreeBSD DHCP Servers.
• System Administration of Linux and Windows based client machines.
• Working experience of Cisco 1900 and 2900 Switches, Cisco 3620 Router, 3Com L2 Switches and Zyxel L2 Switches.
• Handling of complaints and troubleshooting of different LAN users.
• Define routing, VLANs and ACLs.
• Network monitoring by using Netflow Analyzer, PGRT and Linux logs.
• Deployment of DHCP, SendMail, MySQL and FTP.
• Installation and maintenance of Linux and SUN Systems.
• Confiruation and installation of DSL Modam and DSL Routers
• Desktop PC support.

Operation and maintenance of Office Enterprise Network.
• Handle complaints of office LAN users.
• Downloading data from FTP and distribution to different transcription
agents.
• Installation of Windows and Linux based client machines.
• Look after the Microsoft DHCP Server.
• Management of Windows based proxy server.

• Assist the Head of Department to develops and execute teacher training program to increase teacher’s capacity.
• Facilitator of curriculum, content and generic training.
• Setup different Lab scenarios for training sessions.
• Conduct, Schedule and also deliver trainings.

5G Networks is wholesale VoIP service provider. I setup the whole voice solution of 5G Networks and prepared a team to handle NOC Operations. Following were my job responsibilities in 5G Networks:
 Commissioning and testing of SIP interconnects with operators
 Delivery of telephony services to clients
 Operation and maintenance of MVTS Pro SoftSwitch, SIPPY and Asterisk
 Invoice generation and comparison with client/vendor invoices through Alaris Billing system
 Implementation and updation of dialcodes and charging with different pulses for different clients
 Voice traffic analysis and QoS
 Testing of new voice traffic routes and prefixes
 Troubleshooting and rectification of problems in interconnects
 Statistical reporting and traffic analysis
 Security of voice and data networks
 Coordination with Development team for designing and development of new software and application to meet operational requirements
 Level III support for voice traffic clients and vendors
 Trainings and grooming of new team members