Mohammad Abu S. Profile

UDFORSK

4,9

(98 anmeldelser)

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Email verificeret.

$40 USD / time

dhaka,

bangladesh

$40 USD / time

Det er i øjeblikket 1:53 AM her

Tilmeldt oktober 6, 2012

17 Anbefalinger

Mohammad Abu S.

@abusayed2004

4,9

(98 anmeldelser)

6,8

87%

$40 USD / time

dhaka,

bangladesh

$40 USD / time

96 %

Jobs færdiggjort

98 %

Indenfor budgettet

93 %

Til tiden

17 %

Genansættelsesrate

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.

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Portfolio-mappe

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

Ændringer gemt

Viser 1 - 5 ud af 50+ anmeldelser

Filtrer anbefalinger ud fra:

5,0

$40,00 USD

Asterisk RTP/audio Communication Fix

Abu, was very knowledgeable and worked expeditiously.

Linux

Software Architecture

Asterisk PBX

VoIP

Bryan H.

@sharkbitz

•

21 dage siden

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

•

1 måned 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

•

1 måned 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 mere

Marco P.

@Hadrons

•

3 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 mere

Septimiu M.

@septimiumocanu

•

3 måneder siden

Erfaring

Virtuozzo

dec. 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

dec. 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.