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Senior Technical Specialist

Optus -
Macquarie Park NSW

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Job Details

Benefits

Onsite gym
Parental leave

Qualifications

CI/CD
Management
Incident management
Engineering
5G
VoIP
Presentation skills
Bachelor's degree
Telecommunication
Communication skills

Full Job Description

Senior Technical Specialist

Date: 19 May 2026

Location: Macquarie Park, Australia

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.

In this role you will act as a subject matter expert within the Integration & Maintenance Engineering team, responsible for testing and integrating new software, hardware and services into the network, primarily across Packet Core and Policy platforms. The role includes Tier 3 support, vendor coordination, and providing technical leadership while working independently and supporting junior engineers and operations. This position may involve after-hours work and requires strong expertise across mobile data network platforms and the ability to step in for management when needed.

What You'll Do

Provide Tier 3 support for faults, maintenance, and operations across consumer and business network platforms.
Act as a subject matter expert, owning products and leading testing, integration, and deployment of new solutions.
Manage vendors and resolve software issues, ensuring readiness for production deployment.
Plan and execute network upgrades, cutovers, and rollback procedures with minimal customer impact.
Drive network performance improvements through optimisation, best practices, and infrastructure enhancements.
Develop and maintain engineering documentation, standards, and test environments aligned to production.
Provide technical leadership, mentoring, and support to teams while contributing to strategy, planning, and acting in a manager capacity when required.

What You Bring

Bachelor’s degree in Telecommunications Engineering (or related discipline) or equivalent experience.
7–10 years’ telecommunications experience with strong expertise across 4G/5G, VoLTE, VoIP, packet core (PCRF/PCF), and IP networking.
Proven Tier 2/3 operations experience in fault diagnosis, troubleshooting, restoration, and major incident management.
Strong understanding of operational processes, customer issue resolution, and cross-functional collaboration.
Excellent communication skills with experience engaging and presenting to senior stakeholders.
Hands-on experience or exposure to testing methodologies, signalling protocols (e.g. GTP, Diameter, Radius), and vendor platforms such as Amdocs/Openet.
Familiarity with cloud/virtualised networks, automation (CI/CD), large-scale environments, and network design, testing, and optimisation practices.

The good stuff…

Competitive remuneration and colleague discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and outstanding shopping discounts with our retail partners.
Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
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 colleague-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.
Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon.

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.

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

Apply Now

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