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Sr. infrastructure engineer

Canberra
XPT Software Australia Pty Ltd
Infrastructure
Posted: 9 May
Offer description

XPT Software Australia Pty Ltd | Contract

Canberra, Australia | Posted on 05/06/2026

* State/Province Australian Capital Territory
* Country Australia

About Us

AboutXPT

* XPT Software Australia PTY Ltd, incorporated in 2016, is a Software Services company
* XPT works with top clients across Australia in Banking, Insurance, Telecom, Retail, Energy, Mining and Manufacturing domains.
* We have 120+ technocrats in Australia working at our client locations.
* XPT Software Australia is part of group companies which has global presence across India & Europe.
* We have served 100+ clients globally, fulfilling their onsite-offshore needs.

Job Description

Security clearance

Must be able to obtain Negative Vetting Level 1

Job details

The Telecommunication and Data Centre Support section within Client's Information Management and Technology Division has a requirement to fill the role of Telephony and Videoconferencing Engineer. This role is required to support core infrastructure and exists to support, program and install existing and new Telephony and Videoconferencing infrastructure.

Key duties and responsibilities

* Provide subject matter expertise on the Department's technical solutions and serve as a technical contact for the operational management, design uplift, and implementation of Secure Unified Communications (UC) capabilities, ensuring scalability, security, and efficiency.
* Maintain expertise in current & emerging collaboration technologies, including implementation and troubleshooting.
* Investigate and resolve complex and recurring issues in coordination with the Network Operations Centre (NOC).
* Develop, maintain, and implement secure collaboration solutions that align with the Department's strategic goals.
* Author, review, maintain and contribute to Solution Designs, Standard Operating Procedures, As-Built-As-Configured and other required documentation artefacts.
* Conduct and support Validation and Verification (V&V) activities with internal and external stakeholders.
* Collaborate with vendor/supplier specialists to provide solutions and optimise designs to achieve expected outcomes.
* Ability to rapidly build, automate and deliver proof of concept systems to support analysis, testing, accreditation and development activities.

Skills/Levels:

* Delivery and operation - Technology management - IT Infrastructure - Level 4/5

Technical skills

Bachelor's degree in engineering, Computer science, Telecommunications or equivalent industry experience.

Criteria

* 1. Experience in the day-to-day operations of Unified Communications systems and solutions, including the management of voice and data transmissions through the deployment, monitoring, troubleshooting, and optimising of the workflow of UC systems (voice, video, and VoIP).
* 2. A strong understanding of ASD Essential 8 and experience with contributing to security.
* 3. Ability to work well in a team environment, communicate effectively with technical leads & project management and meet project deadlines.
* 4. 5+ years' experience and detailed knowledge in VOIP protocols, codecs, SIP, RPT, SRTP, XMPP, G711, G729, H265/265 and translation, bridging and interoperability between.
* 5. 5+ years' experience in designing, implementing, supporting, automating, and orchestrating Unified Communications, Voice and VTC and collaboration solutions.
* 6. 5+ years' experience and familiarity with current and emerging networking and collaboration technologies at an engineering design and operational level including: SIP (Session Initiation Protocol) configuration; Unified Communications Manager / Call Manager (CUCM) Cisco Expressway; Cisco Meeting Server (CMS); Cisco Meeting Manager (CMM); Telepresence Webex series video endpoints and IP phones; Cisco Jabber; Webex/Microsoft Teams Cloud Calling/Direct Routing; SBCs (AudioCodes, Ribbon, CUBE).
* 7. Experience working with network Routing and Switching (Juniper), DHCP, DNS, SNMP, TCP/IP, UDP, NTP, VLAN and various network communication protocols.
* 8. Experience with scripting and automation tools (PowerShell, Python, Bash, Ansible etc.).
* 9. Understanding of Virtualisation and Hyper-Converged Infrastructure, Active Directory and PKI certificate services.
* 10. Experience in implementing and testing Quality of Service (QoS) DSCP markings of traffic to meet defined standards within secure federated environments.
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