Select how often (in days) to receive an alert:

Director Cloud & Infrastructure Reliability Engineering

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.
- Robust 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

📌 Director Cloud (Sydney)
🏢 Singtel
📍 Sydney