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Asterisk PBX Linux MySQL PHP VoIP
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$30 USD / hora
Bandeira do(a) BANGLADESH
$30 USD / hora
No momento são 5:52 PM aqui
Entrou no Freelancer em outubro 6, 2012
16 Recomendações

Mohammad Abu S.

@abusayed2004

monthly-level-two.svg
4,8 (88 avaliações)
6,7
6,7
$30 USD / hora
Bandeira do(a) BANGLADESH
$30 USD / hora
97%
Trabalhos Concluídos
97%
Dentro do Orçamento
92%
No Prazo
18%
Taxa de Recontratação

DevOps, Linux, AWS, Network, SIP, VoIP, Security

I am open to long-term remote and onsite jobs. Work 12 years on server security, cloud, AWS, OpenStack, VoIP, Asterisk, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, OpenStack, Mysql, Redhat, Python, PHP scriptwriter for IVR and AGI implementation on asterisk, have a good team for support and further development. Puppy Linux customization. • Linux - Hosting Systems Administration & Monitoring • Design and implement High Performace SIP SBC • DevOps CI/CD • Services Optimization • Security Hardening • VoIP, Asterisk, SMS, Dongle, FreePBX install, configure, maintain • 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
Freelancer Asterisk PBX Developers Bangladesh

Contate Mohammad Abu S. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

Itens de Portfólio

AWS Certified Solutions Architect - Professional
AWS Certified Solutions Architect - Professional
AWS Certified SysOps Administrator - Associate
AWS Certified SysOps Administrator - Associate
Digium Certifications
Digium Certification
Redhat Certified profesional
Redhat certified specialist
Freepbx in Action
Freepbx
Asteriskbd.com
asteriskbd service

Avaliações

Mudanças salvas
Mostrando 1 - 5 de 50+ avaliações
Filtrar avaliações por: 5,0
$100,00 USD
Very good freelancer
System Admin Network Administration API HTTP Network Engineering
Avatar do Usuário
Bandeira do(a) Gerardo R. @gerycu97
há 2 meses
5,0
$255,00 USD
The project was challenging to deploy with docker, MsSQL, MySQL, PHPMyAdmin, and Drupal containers. The complexity of restoring the MsSQL databases took some quality time. The freelancer was patient enough to solve all the errors and debugged the setup successfully, and we have it running locally.
M
Bandeira do(a) Mohan A. @mapp251
há 3 meses
5,0
$40,00 USD
Quick and quality job
Amazon Web Services Network Administration
R
Bandeira do(a) Ron L. @ranl1001
há 3 meses
5,0
$100,00 USD
Will re-hire. Great Job.
Linux Software Architecture Asterisk PBX VoIP MySQL
+1 mais
Avatar do Usuário
Bandeira do(a) Eugene D. @eugene48
há 2 anos
5,0
$90,00 USD
Always a pleasure. Second time with him. Knowledgeable and easy to work with.
Database Administration Web Hosting OpenStack Apache Maven
+1 mais
Avatar do Usuário
Bandeira do(a) Richard S. @rstinchc
há 3 anos

Experiência

Senior Engineer Telecommunications

Nautilus SIP Pte
set. 2019 - Atual
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.

Linux administrator

http://www.meshtechnologies.net
dez. 2012 - jun. 2017 (4 anos, 6 meses)
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.

Head of Network Operation

Volt9 Network, USA
mai. 2010 - mai. 2012 (2 anos)
Softswitch Mangement, Routing, Adding Route, Provision client and provider GW, Network Security....etc

Educação

MSC in Cyber Security and Digital Forensic

Asia Pacific University College of Technology and Innovation, Malaysia 2021 - 2022
(1 ano)

BBA

Dhaka International University, Bangladesh 2007 - 2011
(4 anos)

Qualificações

AWS Certified SysOps Administrator – Associate

Amazon Web Services Training and Certification
2020
https://www.youracclaim.com/badges/c9bddd3c-2214-4468-b5d5-f1d8ba1e668b

AWS Certified Solutions Architect – Profesional

Amazon Web Services Training and Certification
2020
https://www.youracclaim.com/badges/802e18ec-0750-4588-8965-23cf41f5947f?source=linked_in_profile

CCNP Service Provider Core Network

CISCO
2020
https://www.youracclaim.com/badges/3f3674d0-570a-4a68-a277-dae6bf7faeae/linked_in_profile

Publicações

VoIP Business

Dhaka International University
Graduate paper

Contate Mohammad Abu S. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

Verificações

Freelancer Preferencial
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Conectado ao Facebook

Certificações

preferredfreelancer-1.png Preferred Freelancer Program SLA 1 97% freelancer_orientation.png Freelancer Orientation 1 95% vpn-1.png VPN 1 83% numeracy_1.png Basic Numeracy 1 83% php_1.png PHP 1 82%

Principais Habilidades

Asterisk PBX 54 VoIP 52 Linux 48 MySQL 31 PHP 20

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