In-Demand Architect Jobs in Parramatta, Nsw

Domain Architect - Fixed Voice
Optus —Macquarie Park NSW
- Parental leave
- Employee discount
BCG Platinion | Lead AI Tech Architect
Boston Consulting Group —Sydney NSW
- Full-time
- Management
- Doctoral degree
- Computer Science
Operational Architect
Optus —Macquarie Park NSW
- Azure
- AWS
- Leadership
- Parental leave
- Employee discount
3d
ERP Technical Architect
Avanade —Sydney NSW
- Azure
- APIs
- Communication skills
Senior Technical Architect
Workato —Sydney NSW
- Azure
- Computer Science
- Salesforce
Quick Apply
Senior Naval Architect Technical Officer
Thales —Sydney NSW
- Full-time
- Leadership
- Communication skills
- Health insurance
- Parental leave
ServiceNow Engineer/Developer/Architect (AU Citizen only)
Accenture —Sydney NSW
- Full-time
- Scripting
- Agile
- Communication skills
Endpoint Engineering Architect
Datacom —Sydney NSW
- Full-time
- Hybrid work
- Azure
- Management
- AWS
- Parental leave
- Employee discount
Quick Apply
Customer Success Architect
Prophet Tech Pty Ltd —Sydney NSW
- Full-time
- SQL
- Marketing
- Analytics
Quick Apply
11d
Associate SD WAN Implementation Architect
Vocus —North Sydney NSW
- Full-time
- Hybrid work
- Scripting
- Parental leave
- Fuel discount
Quick Apply
2d
Tech Architecture Sr Manager / Manager / Associate Manager / Specialist/ Sr. Analyst
Accenture —Sydney NSW
- Full-time
- CRM software
- DevOps
- AWS
Lead AD Architect
Accenture —Sydney NSW
- Full-time
- Master's degree
- Bachelor's degree
- Parental leave
Technical Architect
HCLTech —Sydney NSW
2d
Value Architect
Avanade —Sydney NSW
- AI
2d
Trust Architect
Avanade —Sydney NSW
- AI
2d
OCP Networking Architect
TechBiz Global GmbH —Sydney NSW
- Full-time
- Management
- Doctoral degree
- Master's degree
Quick Apply
Sr. Technical Architect 3
Genpact Australia Pty Ltd —Sydney NSW
- Full-time
- Azure
- Computer Science
- English
Quick Apply
Landscape Architect
A Total Concept Landscape Architects —North Sydney NSW
- $75,000 - $110,000 a year
- Full-time
- In-person
Quick Apply
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Domain Architect - Fixed Voice

Optus -
Macquarie Park NSW

Apply Now

Job Details

Benefits

Parental leave
Employee discount

Qualifications

Network protocols

Full Job Description

Date: 24 Aug 2026

Location: Macquarie Park, Australia

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Company: Singtel Group

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

The Domain Architect – Fixed Voice and Interconnect is responsible for the end‑to‑end architecture, evolution, and technical governance of Fixed Voice platforms and services, ensuring solutions are secure, resilient, scalable, and aligned with business strategy and industry standards. Acting as the technical authority across legacy and next‑generation voice technologies, the role drives roadmap development, solution design, and complex transformation initiatives within the Fixed Voice and Interconnect domain.

Your day to day will consist of

Own and maintain end‑to‑end Fixed Voice and Interconnect architectures, covering current, transitional, and target states across domestic and international environments.
Define and evolve the Fixed Voice technology roadmap aligned with business strategy, regulatory requirements, and network evolution.
Drive key architectural decisions for platform modernisation, consolidation, and new product and service development.
Provide architectural leadership for complex initiatives including network transformation, decommissioning, and resilience improvements.
Review and approve high‑ and low‑level designs, enforcing architectural standards, principles, and best practices.
Partner with Product, Engineering, Operations, Security, Commercial teams, vendors, and international carriers to deliver end‑to‑end voice outcomes.
Ensure architectures meet availability, performance, security, and compliance obligations, and lead improvements from incident and post‑incident reviews.

What makes you perfect for the role

Extensive experience in Fixed Voice architecture within carrier and/or large enterprise environments;
Strong understanding of international and domestic interconnect voice routing models, SIP trunking, and network protocols (SIP, Diameter, TLS, etc);
Knowledge of regulatory obligations impacting access, interconnect and international voice services;
Ability to translate complex technical concepts into clear architectural guidance for senior stakeholders;
Exposure to virtualised or cloud‑hosted SBC and voice platforms;
Strong hands‑on architectural experience with Ribbon solutions (PSX, SBCs, C20) or equivalent carrier‑grade platforms;
Strong problem‑solving, risk management, and decision‑making capability in regulated environments;
Excellent stakeholder engagement and vendor management skills.

What’s in it for you?

Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
Competitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
Direct your own development and build future-ready skills with Optus U’s industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.

At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email [email protected] or call 1800 309 170. We're here to help.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity

Apply Now

Refine Your Search

architect jobs in parramatta, nsw

Domain Architect - Fixed Voice

BCG Platinion | Lead AI Tech Architect

Operational Architect

ERP Technical Architect

Senior Technical Architect

Senior Naval Architect Technical Officer

ServiceNow Engineer/Developer/Architect (AU Citizen only)

Endpoint Engineering Architect

Customer Success Architect

Associate SD WAN Implementation Architect

Tech Architecture Sr Manager / Manager / Associate Manager / Specialist/ Sr. Analyst

Lead AD Architect

Technical Architect

Value Architect

Trust Architect

OCP Networking Architect

Sr. Technical Architect 3

Landscape Architect

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