Manager, SIP / IP Core Network (IPTSP)

Job Description

Title: Manager, SIP / IP Core Network (IPTSP)

Company Name: Getco Group

Vacancy: --

Age: Na

Job Location: Dhaka (Mohakhali)

Salary: Negotiable

Experience:

• 5 to 7 years
• The applicants should have experience in the following business area(s): IT Enabled Service, Computer Hardware/Network Companies

• 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.)

• 5 to 7 years
• The applicants should have experience in the following business area(s): IT Enabled Service, Computer Hardware/Network Companies

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)

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

• Salary: Negotiable (Depends on experience & skill)