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Voice & Network Support Engineer – Level 2/3

Jaffna, Sri Lanka
On-site
Full Time
3+ Years
Network Operations

Job Description

We are seeking an experienced Voice & Network Support Engineer – Level 2/3 to join our technical team and provide advanced telecommunications and networking support to Australian clients. The role operates in line with Australian business hours/time zones and may include on-call or after-hours duties.

Key Responsibilities

  • Provide Level 2 and Level 3 technical support.
  • Categorise, prioritise, investigate and resolve technical incidents.
  • Perform troubleshooting through to resolution.
  • Provision, configure, install and support telecommunications and network services.
  • Provide ongoing Business-as-Usual (BAU) technical support.
  • Work with Australian customers and third-party suppliers for service provisioning and fault resolution.
  • Manage incidents using CRM and support systems.
  • Maintain accurate ticket updates, status information and technical documentation.
  • Assist in developing and documenting operational procedures and best practices.
  • Contribute to documentation covering provisioning, configuration, backup, disaster recovery, operations and security.
  • Support the continued development of switching, routing and security infrastructure.

Requirements

  • Experience working within a Systems Integrator, Service Provider or Carrier environment in a Level 2/3 support role.
  • Strong experience with IP Telephony solutions.
  • Good knowledge of SIP, SIP Trunking and call routing.
  • Experience supporting Cloud-Based Telephony Platforms.
  • Experience configuring and supporting PBX systems.
  • Experience with VoIP CPE, including ATAs and IP handsets such as Yealink.
  • Experience with Softswitches and Session Border Controllers (SBCs).
  • Experience with Open Source VoIP platforms such as Asterisk and Kamailio.
  • Strong knowledge of IP and Ethernet networking technologies.
  • Knowledge of DNS, SMTP and SNMP.
  • Strong analytical and problem-solving abilities.
  • Excellent written and verbal English communication skills.
  • Ability to prioritise tasks and manage workload effectively.
  • Willingness and ability to work according to Australian business hours/time zones.
  • Flexibility to support on-call/after-hours requirements when required.

Nice to Have

  • A technically strong, proactive and results-driven engineer who enjoys solving complex technical problems.
  • Ability to communicate confidently with Australian clients and continuously learn and share technical knowledge.

What We Offer

  • Opportunity to work with Australian clients and cutting-edge telecom/VoIP infrastructure.
  • Supportive and collaborative team environment.
  • Opportunities for professional development and continuous technical learning.
  • Competitive remuneration package.

Job Overview

Location
Jaffna, Sri Lanka
Job Type
Full Time
Work Mode
On-site
Experience
3+ Years
Department
Network Operations
Posted On
08 Sep 2026
Application Deadline
30 Sep 2026

Have Questions?

If you have any questions about this position, feel free to reach out to our team.

info@matrixmantra.lk
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