Senior Network Architect - SRv6, MPLS & IPv6 Backbone

XPT Software Australia Pty Ltd Contract

Senior Technical Specialist

Sydney, Australia Posted on 08/11/2026

• XPT SoftwareAustralia PTY Ltd, incorporated in 2016, is a Software Services company
  
• XPT works with topclients across Australia in Banking, Insurance, Telecom,Retail, Energy, Mining and Manufacturingdomains.
  
• We have 120+technocrats in Australia working at our clientlocations.
  
• XPT SoftwareAustralia is part of group companies which has globalpresence across India & Europe.
  
• We have served100+ clients globally, fulfilling their onsite-offshoreneeds.
  

Job Description

Role Summary:

Senior network engineering role supporting Optus network transformation and modernisation initiatives, with deep SRv6, MPLS, IPv6, routing, EVPN and service provider network expertise.

Key Responsibilities:

Design, validate and support SRv6/MPLS and IPv6 network solutions; support backbone transformation and migration activities; provide L3 escalation support; perform RCA for critical incidents; contribute to traffic engineering, QoS and service reliability improvements.

Mandatory Skills / Experience:

SRv6, MPLS, Segment Routing, BGP, ISIS, OSPF, EVPN/VXLAN, IPv4/IPv6, Traffic Engineering, QoS, carrier-grade backbone networks, transformation and migration programs, L3 troubleshooting and RCA.

Desirable Skills / Certifications:

Experience Required:

8+ years in IP/MPLS service provider networks; senior hands-on engineering experience in carrier-grade backbone, transformation, migration and L3 support environments.