Job Summary
Published On : Mar 15, 2026
Job Type :
Full Time
Job Level :
Experience : At least 5 years
Location : Dhaka (Mohakhali)
Salary Range:
Negotiable
Application Deadline : Apr 3, 2026
Manager, SIP / IP Core Network (IPTSP)
Manager, SIP / IP Core Network (IPTSP)
Job Description / Responsibility
- GETCO GROUP, one of the leading Companies of Bangladesh having diversified business in the field of Telecommunications, Oil and Mining, Agriculture, Power Generation, Textile etc. HRC Technologies Limited is one of the sisters concerns of GETCO Group which provides Internet, IPTSP and Data Communications Services all over the country. Presently we are looking for dynamic, committed and self-motivated personnel for the following position:
- Technical Skills & Knowledge:
- Core SIP & VoIP
- Strong understanding of SIP, SDP, RTP, RTCP
- SIP call flow analysis (INVITE, 180, 183, 200 OK, ACK, BYE)
- Experience in SIP troubleshooting using Wireshark / sngrep
- Knowledge of NAT, Firewall traversal, SIP ALG issues
- IP Core Network
- Strong knowledge of IP Routing & Switching
- TCP/IP, UDP, VLAN, NAT
- Static & Dynamic routing (OSPF, BGP – basic understanding)
- Experience with QoS, latency, jitter, packet loss
- Linux SIP Tools & Platforms
- Strong hands-on experience with Asterisk-based Client–Server Maintenance (Front-end & Back-end)
- Experience with PBX platforms:
- Issabel PBX
- Vicidial Call Center
- GoAutoDial Call Center
- Elastix PBX
- Asterisk on CentOS 7 / Ubuntu
- Grandstream IP PBX systems
- Configuration and maintenance of FXS Gateway (ATA devices)
- Call routing, dial-plan configuration, trunk management, and SIP registration handling
- Experience in call center deployment, campaign setup, IVR, and queue management
- Telecom Core Elements (Any of the following)
- SIP Softswitch (Class-4 / Class-5)
- SBC (Session Border Controller)
- Media Gateway / Signaling Gateway
- Experience with vendors like Huawei, ZTE, Oracle, Cisco, AudioCodes, Genband, Metaswitch, PortaOne (any)
- Linux & System
- Good command on Linux (CentOS / Ubuntu)
- Basic system administration:
- Services, logs, CPU/RAM monitoring
- Network tools (ping, traceroute, netstat, tcpdump)
- Experience with VMware / Virtualization is a plus
- Monitoring & Tools
- Experience using NMS / Monitoring tools
- CDR analysis, ASR, ACD, PDD, CCR monitoring
- Traffic & call quality analysis
- Operational Responsibilities:
- Configuration, operation & maintenance of SIP/IP Core Network
- Deployment and maintenance of Asterisk-based PBX & Call Center solutions
- Daily monitoring of live traffic and call quality
- Troubleshooting call failures, one-way audio, no audio, call drops
- Interconnection management with Operators / ICX / IGW / International Carriers
- Handling maintenance, upgrades, and emergency restoration
- Coordination with vendors and carriers for issue resolution
Educational Requirements
- Bachelor of Science (BSc) in Telecommunication
- Bachelor of Science (BSc) in Electrical & Electronic Engineering
- Bachelor of Science (BSc) in Computer Science
- B.Sc. in Telecommunications Engineering / Electrical & Electronic Engineering / Computer Science or relevant discipline
- Relevant professional certifications will be an advantage (CCNA/CCNP, SIP, VoIP, Linux, etc.)
Experience Requirements
- 5 to 7 years
- The applicants should have experience in the following business area(s): IT Enabled Service, Computer Hardware/Network Companies
Additional Job Requirements
- Experience Requirements
- Minimum 5–7 years of hands-on experience in SIP-based IP Core Network
- Experience in Telecom Operator IPTSP / ICX / IGW / VoIP Service Provider environment will be highly preferred
- Practical exposure to live production network is mandatory
- Hands-on experience with Linux-based SIP platforms and open-source telephony systems
- Soft Skills
- Strong analytical & problem-solving skills
- Ability to work under pressure in 24×7 telecom environment
- Good communication skills (technical & operational)
- Team player with proactive attitude
- Leadership and Management Skills:
- Ability to lead and mentor technical teams
- Strong Project management and coordination skill
- Ability to develop SOPs, Monitor performance and implement best protracts.
- Knowledge of Bangladesh telecom regulatory environment is a plus
- Documentation & reporting skills
- Preferred but Not Mandatory
- Experience with IMS / VoLTE architecture
- Exposure to Fraud detection / SIP security
- Automation or scripting knowledge (Bash / Python – basic)
Location
Dhaka (Mohakhali)
Salary Range
Negotiable
Other Benefits
Salary: Negotiable (Depends on experience & skill)
Job Source
Bdjobs.com.bd Online Job Posting
Application Deadline : Apr 3, 2026
Company Information
Company Name:
Manager, SIP / IP Core Network (IPTSP)
Address: Dhaka (Mohakhali)
