Mohammad Abu S. Profile

탐색

4.9

(97 건의 리뷰)

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이메일에 대한 인증 절차가 완료되었습니다.

$40 USD / 시간

dhaka,

bangladesh

$40 USD / 시간

현지시간은 10:39 AM입니다

10월 6, 2012에 가입했습니다

17 건의 추천

Mohammad Abu S.

@abusayed2004

4.9

(97 건의 리뷰)

6.8

87%

$40 USD / 시간

dhaka,

bangladesh

$40 USD / 시간

96%

작업 완료

98%

예산 준수

93%

기한 준수

17%

재고용률

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.

Asterisk PBX Developers 분야의 전체 프리랜서 확인 (대상 국가: Bangladesh)

직업에 관해 Mohammad Abu S.님에게 연락해보세요

채팅으로 자세한 내용을 논의하려면 로그인하세요.

포트폴리오

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

리뷰

수정 사항에 대한 저장 완료

현재 1 ~ 5 번째 리뷰 표시 중(전체 50+ 건)

리뷰에 대한 필터 유형:

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

•

6일 전

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

•

9일 전

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 건 추가

Marco P.

@Hadrons

•

2개월 전

5.0

$100.00 USD

Goip device configuration

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

Linux

Software Architecture

Asterisk PBX

VoIP

MySQL

+1 건 추가

Septimiu M.

@septimiumocanu

•

2개월 전

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

•

2개월 전

경력

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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

12월 2012 - 6월 2017 (4 , 6 )

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.