Mohammad Abu S. Profile

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4.9

(97条评论)

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$40 USD / 小时

dhaka,

bangladesh

$40 USD / 小时

目前这里是9:52 下午

十月 6, 2012已加入

17 推荐

Mohammad Abu S.

@abusayed2004

4.9

(97条评论)

6.8

87%

$40 USD / 小时

dhaka,

bangladesh

$40 USD / 小时

96%

工作已完成

98%

在预算内

93%

按时

17%

重复雇用率

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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文件夹

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

变更已保存

展示50+中的1-5条评论

筛选评论规则：

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 天前

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 天前

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更多

Marco P.

@Hadrons

•

2 个月前

5.0

$100.00 USD

Goip device configuration

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

Linux

Software Architecture

Asterisk PBX

VoIP

MySQL

+1更多

Septimiu M.

@septimiumocanu

•

2 个月前

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 个月前

经验

Virtuozzo

12月 2022 - 1月 2024 (1 年, 1 个月)

● 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

7月 2019 - 10月 2022 (3 年, 3 个月)

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

12月 2012 - 6月 2017 (4 年, 6 个月)

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.