Job Description

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

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We’re looking for a Solution Architect to join our Telco IP & PE team in Macquarie Park, Sydney . In this role, you’ll shape the architecture and design of Optus’s IP network across mobile core systems, voice core, network management and broader telecommunications platforms.

What You’ll Do n

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- Architect and design IP network solutions for mobile core, voice core, network management and other telecommunications platforms and services.
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- Develop routing and switching technology roadmaps, network plans and solution strategies that support scalable, secure and reliable IP connectivity.
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- Lead the design and onboarding of new IP network devices and topologies, leveraging automation and intent-based networking tools.
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- Act as a subject matter expert for routing and switching, providing technical direction, design feedback and support during solution reviews and critical operational issues.
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- Partner with internal customers, project teams, vendors and wider IP teams to gather requirements, assess feasibility and impact, resolve design issues and document proposed solutions.
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- Assess upcoming projects, network plans and budgets, manage technical risks and provide clear recommendations during escalations and delivery milestones.
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What makes you perfect for the role? nn
- A Bachelor’s degree in Computer Science, Electrical Engineering or a related discipline, a Master’s degree or certified network professional qualification such as CCNP or CCIE are highly regarded.
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- Years’ experience in IP network engineering,



including at least five years in a leadership role and significant experience conceiving and delivering complex engineering solutions and large projects.
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- Deep knowledge of TCP/IP, UDP, BGP, OSPF, MPLS, SR-MPLS, SR-TE, RSVP-TE, LDP, SRv6, EVPN, IPVPN, L2VPN, QoS and traffic engineering.
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- Strong experience with end-to-end design and lifecycle management of BNG, CGNAT, Telco Cloud Connect edge routers, data-centre fabrics and firewalls, across on-premises and hybrid cloud environments.
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- Broad telecommunications architecture knowledge across MOCN and 5G private networks, VoLTE, VoWiFi, VoNR, IMS, 3G, 4G, RAN technologies and network security, together with hands‑on experience using Ansible, Netconf/YANG or equivalent automation frameworks.
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- A strategic, customer‑focused and collaborative approach, with strong executive communication, coaching, mentoring, vendor management, commercial awareness, problem‑solving and influencing skills, and the ability to work autonomously under pressure.
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The good stuff… nn
- Competitive remuneration and employee discounts.
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- Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
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- Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
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- Vibrant and team-oriented office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on‑site childcare centre.
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- Competitive leave policies, including additional ‘Connected’ days to focus on culture, family, health, community, or whatever’s important to you.
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- We support growing families with inclusive, carer‑neutral paid Parental Leave of up to 16 weeks.
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- Build meaningful connections through employee‑led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
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- Put your wellbeing first with free access to counselling and support services, 24/7 — in‑person, by phone, SMS, or video.
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- Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon.
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At Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences.

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We are committed to ensuring that our application process provides an equal employment prospect 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.

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We also want to do our best to make our recruitment process inclusive.

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If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email or call .

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For more information on Diversity, Inclusion & Belonging at Optus, please visit about/inclusion-diversity

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📌 Solution Architect - IP (Sydney)
🏢 Optus
📍 Sydney