Responsibilities: 

Design and implement Mobile Accord’s Voice and IVR systems. 
Setup and maintain Mobile Accord’s Messaging systems.
Set up and maintain Asterisk and FreePBX systems
Manage messaging connectivity using SMPP and ParlayX
Set up and support billing and airtime systems.
Manage Windows and Linux administration, including domain administration and security.
Deploy and maintain monitoring tools such as Zabbix, Nagios, Checkmk, and SNMP.
Conduct regular system audits to ensure optimal performance and security
Collaborate with the team to identify and implement network improvements and upgrades
Participate in on-call rotation for off-hour support and incident response.

Requirements: 

Bachelor’s degree in Computer Science, Information Technology, Electrical Engineering, or suitable experience in a related field 
4+ years of experience as a Senior Integrations Engineer/VAS Engineer or a similar role
Experience in setting up and maintaining Asterisk, FreePBX and IVR systems.
Experience in setting up messaging using SMPP and ParlayX
Experience in setting up and maintaining messaging queueing systems using RabbitMQ/ActiveMQ
Proficiency in Windows and Linux administration, domain administration, and virtualization using HyperV and VMWare.
Experience setting up and maintaining webservers such as Microsoft IIS, Apache/Nginx
Experience running systems in production.
Familiarity with database technologies such as SQL Server, MySQL
Shell scripting and automation (bash, powershell, python, nodejs)
General knowledge of IPSec VPNs, Firewalls, Load balancers
Understanding of network protocols and security systems
Strong analytical and problem-solving skills
Excellent communication and interpersonal skills
Ability to work effectively both independently and in a team environment
Experience in setting up interactive IVR systems such as FreePBX and Verboice systems is a plus.