Technical Specialist

Date: 10 Nov 2025

Location: Brisbane, 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.

Are you an experienced network engineer with a passion for solving intricate issues and providing outstanding service? Optus Enterprise & Business is looking for a Technical Specialist – T2 Networks to join our high-performing Technical Assistance Centre (EB TAC). This is your chance to assume operational responsibility for brand new managed network and data centre services for our enterprise customers.

What You'll Do:

• Own and resolve complex network faults and incidents using problem management methodology.
• Scope and implement advanced changes across managed network environments.
• Set up and oversee solutions from key vendors such as Cisco, Fortinet, Juniper, HP/Aruba, Riverbed, and F5.
• Support SD-WAN technologies (Fortinet, VeloCloud, Viptela, Meraki).
• Operate within ITIL-aligned service management frameworks and contractual SLAs.
• Collaborate across teams to support transitions, changes, and blocking issues.
• Maintain up-to-date technical documentation and contribute to continuous improvement initiatives.
• Be onsite customer facing for at least 2 days a week in the North Brisbane region.

What You Bring:

• 7+ years in ICT network engineering or service provider environments.
• Proficient in Cisco routing/switching, BGP/OSPF, and data centre technologies.
• Familiarity with Juniper, Aruba, Riverbed, and wireless solutions.
• Familiarity with service level, change, and transition management.
• Excellent troubleshooting, communication, and customer engagement skills.
• F5 LTM/GTM, Fortinet NSE, Python/Ansible (DevOps), ITIL knowledge (desirable).
• Experience with WWAN (3G/4G), SD-WAN, and multi-vendor environments (desirable).

Qualifications:

• Relevant ICT Degree or equivalent experience
• Cisco Certified Network Professional (CCNP) – Routing & Switching
• Juniper JNCIS-ENT
• CCNA Wireless
• Aruba Certified Mobility Associate (ACMA)
• Riverbed RCSA-W

Preferred:

• CCIE or CCNP Data Centre
• JNCIP-ENT
• ACMP
• Riverbed RCSA-P
• Fortinet NSE
• F5 BIG-IP Administrator

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.
• 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.
• Foster meaningful connections through colleague-led networks and diversity initiatives such as 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 or call We're here to help.

When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.