Network Communication Engineer

Job Purpose 

To design, implement, manage, and maintain reliable network communication systems that ensure secure, efficient, and uninterrupted data transmission across organizational infrastructure.

 

Key Accountabilities 

Configure and maintain call control platforms (Cisco CUCM, Avaya, Mitel, Microsoft Teams, etc.). Also, Design, implement, and support voice communication systems (VoIP, IP telephony, and PBX). Besides managing Manage voice gateways, SBCs, and SIP integrations with service providers.

Coordinate with carriers, vendors, and internal teams for voice services

Troubleshooting & Incident Resolution, Diagnose and resolve network faults and incidents to restore services quickly, to reduce downtime and maintain business continuity. Troubleshoot voice, signaling, and media issues across LAN, WAN, and SIP trunks.

Ensure high availability, quality, and reliability of voice services and Monitor and optimize voice quality (QoS, latency, jitter, packet loss)

Performance Optimization & Capacity Planning , Analyze network performance and plan capacity upgrades to meet current and future demands, to achieve efficient resource utilization and sustained performance.

Manage voice gateways, SBCs, and SIP integrations with service providers and Perform system upgrades, patches, and capacity planning

Integrate voice systems with collaboration tools and contact center solutions and maintain accurate documentation of voice architecture and configurations

Implement voice security measures, including encryption and fraud prevention

 

Areas of Contribution):

  

1. Network Design & Architecture

2. Network Implementation & Configuration

3. Network Operations & Monitoring

4. Network Security

5. Troubleshooting & Incident Resolution

6. Performance Optimization & Capacity Planning

7. Documentation & Standards

8. Vendor & Technology Management

9. Compliance & Risk Management

10. User / Stakeholder Support & Collaboration 

Qualifications, Experience & Skills required

 Qualifications

 A bachelor's degree in computer engineering, computer science, information systems (or a related field), or equivalent experience is required.

 Professional Certifications

• CCIE / CCNP Collaboration
• Microsoft Teams Voice Engineer (MS-700 / MS-721)

Experience

• 4+ years of experience in voice engineering or unified communications.
• Expert-level experience with enterprise voice platforms (CUCM, Avaya, Teams Voice, etc.).
• Deep knowledge of SIP signaling, call flows, and voice architecture design
• Proven experience leading voice migration and upgrade projects
• Experience with SBCs, contact centers, and voice security solutions
• Strong experience in troubleshooting complex, multi-site voice environments
• Experience mentoring junior engineers and leading technical initiatives

Skills

 Expert-level VoIP and Unified Communications architecture
• Deep knowledge of SIP signaling, RTP media flows, and call routing
• Enterprise call control platforms (Cisco CUCM, Avaya Aura, Microsoft Teams Voice, Mitel)
• Session Border Controllers design and administration
• Voice gateway configuration, dial plans, and carrier interconnections
• Complex troubleshooting using packet captures and call flow analysis
• Voice security architecture, encryption (SRTP/TLS), and fraud prevention
• Contact center platforms and UC integrations