Apply For This Job


Job Description

  • System administration of Asterisk PBX /IVR / Free-PBX / 3cX / Call center servers located globally.
  • Work with teams to ensure security of all VoIP devices, servers, service quality, redundancy of voice paths and service optimization.
  • Analysis of all Linux based servers with respect to QoS, scalability, utilization and high availability.
  • Programming of call routes, dial-plan and trunks.
  • Perform continuous research work on latest technologies for improving Telephony infrastructure.
  • Development of different application which will be integrated with telephony system to enhance monitoring and daily tasks.
  • Development of automation scripts in Python, PHP, Perl etc. to automate different tasks and activities in the system
  • Experience in Windows Environment, 3rd Party providers like Digium / Star2Star will be a plus
  • Ability to learn Security software like TrendMicro, Data Backup systems like Veeam, Storage Craft will be a plus.


  • Hands on experience on Linux (Red-hat/CentOS).
  • Good understanding of SIP, SDP, RTP, RTCP, IAX, WS, WSS, TLS etc.
  • Good understanding of Asterisk technologies such as AGI, ARI
  • Excellent English communication skills

Job Details

Functional Area:
Total Positions:
2 Posts
Job Shift:
Third Shift (Night)
Job Type:
Job Location:
No Preference
Minimum Education:
Career Level:
Experienced Professional
Minimum Experience:
3 Years
Apply Before:
Mar 04, 2021
Posting Date:
Jan 31, 2021
Show fewer details Read full job description

What is your Competitive Advantage?

Get quick competitive analysis and professional insights about yourself
Talk to our expert team of counsellors to improve your CV!
Try Rozee Premium

Great Sys

Information Technology · 11-50 employees - Lahore

pGreat Sys/p

Similar Job Titles

VoIP Engineer

Abacus Consulting, Lahore, Pakistan
Posted Mar 30, 2021

VoIP Engineer

MED CC Pvt. Ltd., Lahore, Pakistan
Posted Apr 02, 2021

VoIP Engineer

Abacus Consulting, Lahore, Pakistan
Posted Jan 12, 2021

TAC Engineer

Metro Consulting Grid Pvt. Ltd., Multiple Cities, Pakistan
Posted Apr 10, 2021
View All