Director, Cloud & Infrastructure Reliability Engineering (IME)

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

The Director, Cloud & Infrastructure Reliability Engineering (IME) is accountable for ensuring Optus' cloud and infrastructure platforms remain reliable, resilient, secure, supportable and operationally ready throughout their lifecycle. Reporting to the Senior Director, Cloud Infrastructure Engineering, the role provides strategic engineering leadership across Infrastructure Management & Engineering (IME), Site Reliability Engineering (SRE), Level 3 Engineering Support, Platform Integration, Testing & Validation, Automation Engineering, Security Assurance and Resilience Engineering.

What You’ll Do

- Accountable for platform reliability, availability, scalability, supportability and operational readiness across cloud and infrastructure services.
- Define and govern Service Level Objectives (SLOs), Service Level Indicators (SLIs) and reliability metrics across critical production platforms.
- Lead operational governance and continuous service improvement activities.
- Provide strategic leadership across cloud, compute, storage, networking, virtualisation, platform services and infrastructure technologies.
- Partner with Architecture and Engineering teams to define platform roadmaps, operational standards and future-state technology strategies.
- Establish and mature enterprise-wide Site Reliability Engineering practices.
- Drive adoption of reliability engineering principles including SLOs, error budgets and proactive service management.
- Improve service resilience and recovery through automation and engineering-led operational improvements.
- Own infrastructure lifecycle management strategies and governance.
- Drive remediation of technology obsolescence, ageing platforms and technical debt.
- Lead technology refresh, platform replacement and migration initiatives.
- Establish resilience engineering frameworks and operational resilience standards.
- Ensure disaster recovery, business continuity and recovery capabilities meet business requirements.




- Embed security-by-design principles into infrastructure and platform engineering practices.
- Partner with Cyber Security teams to address vulnerabilities and reduce infrastructure risk.
- Manage strategic relationships with cloud providers, technology vendors and managed service partners.
- Influence executive stakeholders across engineering, operations, security, architecture and business teams.

What makes you perfect for the role?

- Typically 15-20+ years' experience in infrastructure engineering, cloud engineering, technology operations, reliability engineering or related technology functions.

- 8-10+ years' experience in senior technology leadership roles leading large-scale enterprise infrastructure and cloud environments.

- Proven experience leading multi-disciplinary teams across infrastructure, operations, cloud engineering, automation, SRE, resilience and security functions.
- Demonstrated success delivering large-scale cloud transformation and infrastructure modernisation programs.
- Extensive experience managing mission-critical technology environments with high availability and resilience requirements.
- Strong experience managing operational risk, platform lifecycle management, technology debt and service reliability improvement programs.
- Experience leading major incident management, operational recovery and crisis response activities.
- Proven ability to influence executive stakeholders and drive enterprise-wide engineering outcomes.
- Experience managing significant operational and capital technology budgets.
- Deep expertise across cloud platforms (AWS, Azure and/or Google Cloud), infrastructure, networking, virtualisation, storage and enterprise platforms.
- Strong knowledge of cloud-native architectures, Kubernetes/OpenShift, Platform Engineering and DevSecOps practices.
- Experience with Infrastructure as Code (Terraform, Ansible or equivalent).
- Deep understanding of observability, monitoring,



telemetry and operational analytics.
- Strong understanding of cyber security, resilience engineering and disaster recovery practices.

The good stuff…

- 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.

- 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.
- 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.
- 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 chance 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

📌 Director Cloud & Infrastructure Reliability Engineering (Sydney)
🏢 Optus
📍 Sydney