Mohammad Abu S. Profile

UTFORSK

4,9

(97 omtaler)

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$40 USD / time

dhaka,

bangladesh

$40 USD / time

Det er for øyeblikket 8:28 p.m. her

Ble med oktober 6, 2012

17 Anbefalinger

Mohammad Abu S.

@abusayed2004

4,9

(97 omtaler)

6,8

87%

$40 USD / time

dhaka,

bangladesh

$40 USD / time

96 %

Jobber fullført

98 %

Innenfor budsjett

93 %

I tide

17 %

Gjenansettelsesrate

Asterisk PBX, SIP, Linux, Cloud, DevOps, Security

I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information.

Se alle Asterisk PBX Developers i Bangladesh

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Portefølje

AWS Certified Solutions Architect - Professional

AWS Certified SysOps Administrator - Associate

Digium Certification

Redhat certified specialist

Freepbx

asteriskbd service

AWS Certified Solutions Architect - Professional

AWS Certified SysOps Administrator - Associate

Digium Certification

Redhat certified specialist

Freepbx

asteriskbd service

Anmeldelser

Endringer lagret

Viser 1 - 5 av totalt 50+ omtaler

Filtrer anmeldelser etter:

5,0

£47,00 GBP

Asterisk SIP Trunk Setup & VoIP Extension Configuration

Mohamed was very good on assisting with my project, he completed the task ahead of schedule and was very honest about the time spen to complete the work so that was very much appreciated, I will definitely be working with him again on future projects as was very helpful, knowledgeable, understanding and quick to respond when needed.

Wayne H.

@Gidzy32

•

9 dager siden

5,0

$175,00 AUD

Issabel - IP Address Discovery Issue & all circuits are busy!

So much more to be done

VoIP

VMware

James X.

@james353

•

12 dager siden

5,0

€650,00 EUR

Setup Freepbx on local and cloud and sync config

Task performed professionally and in perfect timing, always available and supporting in fixing any unexpected problem. I strongly suggest to engage him because he is able to provide assurance about results both technically and in timing

Linux

Software Architecture

Asterisk PBX

VoIP

MySQL

+1 flere

Marco P.

@Hadrons

•

2 måneder siden

5,0

$100,00 USD

Goip device configuration

Very Proffesional ... I will hire him again !! Recomand

Linux

Software Architecture

Asterisk PBX

VoIP

MySQL

+1 flere

Septimiu M.

@septimiumocanu

•

2 måneder siden

5,0

€550,00 EUR

PBX Server backup & Sync

Mohammad performed an amazing job, in perfect due time, with high professionality and very high competence. i do really suggest to hire him for professional tasks

Marco P.

@Hadrons

•

2 måneder siden

Erfaring

Virtuozzo

des. 2022 - jan. 2024 (1 år, 1 måned)

● Technical Engineer at Virtuozzo, specializing in Cloud Deployment and Ops. ● Design and deploy Public and Hybrid cloud solutions for MSP, ISP, and Cloud Service Providers. ● Expertise in Infrastructure-as-a-Service and Application-as-a-service products. ● Proficient in Software-defined storage and software-defined Network Solutions. ● Managed Cloud Security and System Security. ● Plan to Deploy large-scale Hyper Converged infra for MSP, ISP

Nautilus SIP Pte

jul. 2019 - okt. 2022 (3 år, 3 måneder)

I am working as an Engineer in Telecommunications, in Cloud telephony service provider with Linux, SIP, Asterisk, Networking, and AWS. Keys achievement: Reduce customer complaints by 60%, with improved infra design. Removed bottleneck, Removed Single point of failure. Implemented Monitoring system, Automated server and service provisioning. Integration with Zendesk as voice channel provider, Design and Deployed WebRTC phone, Rearchitected AWS infra for cost optimisations.

http://www.meshtechnologies.net

des. 2012 - jun. 2017 (4 år, 6 måneder)

Dealing with VoIP, Web development, vtiger integration, Call Center, And asterisk PBX, VoIP billing solution, a2billing install, customization, Server Rent and Commercial VoIP software like voipswitch, VOS3000, Mor-12, MVTS, install, configure and, support.