Maintaining and troubleshooting VAS solution components including SIP, XMPP, SMPP servers

Maintaining and troubleshooting MFS solution components including MFSProxy, MFSSDP, CBS (Diameter) servers (CCR, ACR, UDR)

Working as Oracle DBA (Taking backup, restoring oracle databases instances etc)
Deploying Services on QA, Testing MFS and VAS Service then deploying service on Staging and then on production.

Pro-active monitoring of service performance and applying appropriate measures to guarantee high service availabilities.

Performing UAT tests on the system before going to production.
Understanding and analyzing customer problems and proving appropriate support.

Providing guaranteed response according to the agreed SLAs.

Root cause analysis of all problems and proposing long term solutions.

Automating all the routines of the system to maintain high available services.
Issue documentation and reporting to the product team.

24/7 monitoring of the services

1. Single Sign-on Services Development (OpenAM) and integration with LDAP Server (OpenDJ).
2. Developing & Giving Support to WebRTC based DGS inbound/outbound Campaigns (24/7 on 17
sites)
3. Service and Integration Audit - Maintaining Checklist of services needed to be live before going in
production and Integration Testing (END2END).
4. Managing IP PBX connecting 17 site offices.
5. Managing more than 70 Linux Servers (Debian, Centos, Redhat).
6. Managing CISCO 2800 series Voice Gateways
7. Amazon Web services (AMI, EC2, MySQL, RDS, Elastic IPs, Security Groups etc )
8. Virtual IP, High Availability, Clustering & Load Balancing
9. Bug Fixing and Troubleshooting

VoIP Developer:
1. SIP servers/Proxy/B2BUA
2. Billing and AAA servers
3. IVR & RBT Development.
4. SMS Campaigns & SMS Gateways
5. SIP on Cloud & Behind NAT Handling
6. Load balancing and High Availability
7. VoIP QA & QC

Software Developer:
1. Operating System: Linux (Debian, CentOS)
2. Programming Language: Perl, Python, C, Bash
3. Databases: MySQL, MongoDB and Redis
4. Agile methodology and Scrum Environment
5. Version Control using Git and SVN

Other Skills:
6. Creator Mentality
7. Developer Attitude
8. Good at Planning and Task Breakup
9. Team Player
10. Problem Solving
11. Ability to handle Pressure

1. Provide level II Support to Call Center Services. Troubleshoot/Solve issues related to IP Telephony
Services, IVRs and PBX.
2. Directly coordinate with clients/partners, on call or through chat/email, to provide solution to their
queries.