Asterisk administrator in ESCA

#Asterisk Administrator #voip

#Remote position

Salary 2000 USD

Candidates willing to consider relocation to Cyprus are welcome

About the role

We are looking for an experienced Asterisk Administrator to support and develop the telephony platform of a fintech service. The role involves working with production VoIP systems that support support teams collections and sales operations. You will be responsible for stability scalability security and deep integration with business systems.

Required skills and experience

At least 3 years of hands-on experience with Asterisk

Strong practical experience with Asterisk versions 13 16 or 18 and higher

Proven experience building and maintaining VoIP systems for support call centers or fintech environments

Confident understanding of SIP RTP NAT and QoS

Experience working with SIP trunks

Hands-on configuration of IVR call queues skill based routing overflow and fallback logic

Experience with call recording and working with CDR and CEL

Strong Linux skills Ubuntu or Debian and experience managing production servers

Knowledge of VoIP security including SIP brute force protection Fail2Ban firewalls ACL and rate limits

Experience integrating Asterisk with CRM billing antifraud systems and APIs

Experience working with AMI and ARI and integrating Asterisk with backend systems

Understanding of financial system requirements including stability auditing and logging

Ability to quickly understand complex and legacy systems

Responsibilities

Support and further development of the telephony platform for a fintech service

Ensuring stable operation of support collections and sales teams

Configuration and maintenance of IVR systems operator queues and business logic based call routing

Integration of Asterisk with internal systems including CRM backend and billing

Ensuring high availability fault tolerance and minimal downtime

Monitoring call quality and performance metrics including SLA ASR and ACD

Troubleshooting and resolving call quality latency and connectivity issues

Optimizing system load and scaling the VoIP infrastructure

Upgrading and modernizing the existing telephony environment

Documenting call flows routing logic and system integrations

Close collaboration with backend support and security teams