Voice and Network Support Engineer
First seen by Alion on Oct 21, 2026.
WE’RE HIRING
Voice and Network Support Engineer
Level 2/3 | Srilanka | Australian Client
We are seeking a technically strong Voice and Network Support Engineer based in Sri Lanka to support an Australian client.
This role suits a motivated professional with hands-on experience in voice and networking technologies, a strong troubleshooting approach and a commitment to excellent customer support.
About the Role
Working within the Operations and Engineering Team, you will support internal and external customers, deploy and maintain services, and resolve complex technical issues. The role offers exposure to voice, network, systems and security technologies, with opportunities to develop further in switching, routing and security infrastructure.
You must be available to work Australian business hours aligned with the client’s time zone, with daylight saving adjustments where applicable. Some on-call and after-hours duties are also required.
Key Responsibilities
Provide Level 2 and Level 3 technical support, including issue categorisation, prioritisation, investigation and resolution.
Provision, configure and install services and equipment, resolve faults and provide ongoing operational support.
Coordinate with customers, internal teams and third-party suppliers on service provisioning and fault resolution.
Manage incidents through CRM and support systems, maintaining accurate tickets, progress updates and resolution
records.
Assist with developing and documenting procedures for provisioning, configuration, backups, disaster recovery, operations and security.
Share technical knowledge and contribute to continuous improvement within the team.
Skills and Experience
Experience in Level 2 or Level 3 support within a systems integrator, service provider or telecommunications carrier.
Strong technical understanding of voice and networking technologies, with practical deployment and operational support experience.
Experience with IP telephony, including SIP protocols, SIP trunking and call routing.
Experience supporting cloud-based telephony platforms.
Ability to configure and support PBX systems and end-user VoIP equipment, including analogue telephone adapters
(ATAs) and IP handsets such as Yealink.
Experience with softswitches and session border controllers (SBCs).
Experience with open-source VoIP applications such as Asterisk and Kamailio.
Knowledge of IP and Ethernet networking technologies and protocols including DNS, SMTP and SNMP.
Strong problem identification, analysis, tracking and resolution skills.
Clear written and verbal communication, attention to detail and accurate documentation.
A motivated, results-driven approach, with the ability to prioritise and manage workloads.
Willingness to learn new technologies and share knowledge with colleagues.
How to Apply
Send your CV to with “Operations Support Officer — Level 1” as the subject line with the covering letter and expected remuneration package
- Employment: Full Time, Permanent, Onsite
- Closing date: 5 Nov 2026
- Job ref: 1562754