Senior Technical Specialist (Managed Network Services)

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

The Senior Technical Specialist (Managed Networks) plays a lead role in managing and supporting complex enterprise network and data centre environments for Optus’ managed services customers. They own incident resolution, problem management, and major change implementations, while serving as the highest technical escalation point within the T2 Networks team. Acting as a subject matter expert, they guide technical specialists and step in to lead technical bridges during major incidents when required.

The role involves hands‑on configuration and support across multi‑vendor network technologies including Cisco, Juniper, Fortinet, HP/Aruba, Riverbed, and F5, with strong expertise in SD‑WAN solutions. Operating within ITIL‑aligned managed service frameworks, they ensure service delivery meets contractual SLAs and industry best practice. Their work supports a diverse enterprise customer base, spanning data centres, branch networks, and global infrastructure environments.

What You will Do

• Lead complex incident, problem, and change management activities, ensuring timely resolution of major or sensitive network faults and meeting all service SLAs.
• Act as the senior technical escalation point, providing expert guidance to peers, leading technical bridges during major incidents, and supporting leadership when required.
• Configure, implement, and support advanced network solutions across multi‑vendor technologies, completing complex MACs and transitions to scope and schedule.
• Ensure high‑quality customer experience through clear communication, accurate updates in ServiceNow, proactive ownership of issues, and strong representation of customer needs.
• Maintain compliance with all operational processes, including ITIL‑aligned incident, problem, and change procedures, and uphold integrity in all customer communications.
• Drive continuous improvement by keeping technical documentation current, identifying service enhancements, maintaining certifications, and staying across emerging technologies.
• Contribute to team capability by sharing knowledge, delivering peer training, collaborating across business units, and supporting secure, reliable solution transitions.

What makes you perfect for the role?

• Extensive experience in enterprise or service‑provider network engineering, with strong capability in delivering and supporting managed network services.
• Advanced technical proficiency across multi‑vendor networking, including Cisco (IOS, IOS‑XE/XR, Nexus, ACI), Juniper, Aruba, Riverbed, and enterprise wireless solutions.
• Expert knowledge of dynamic routing protocols such as BGP and OSPF, plus hands‑on experience with WWAN technologies and WAN optimisation platforms.
• Proven ability to lead technical teams during major incidents, directing engineers, managing escalations, and driving complex problem resolution.
• Strong understanding of ITIL‑aligned service operations, including service level, change, transition, and incident management.
• Exceptional communication, stakeholder engagement, and interpersonal skills, with the ability to perform under pressure and guide or train others.
• Relevant tertiary qualifications and industry certifications, such as ICT Degree/Diploma, CCNP, JNCIS‑ENT, CCNA Wireless, ACMA, and RCSA‑W.

What’s in it for you?

Competitive 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 AccessibleRecruitment@optus.com.au or call 1800 309 170. 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.

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