Systems Engineer: Cloud, Security & Resilient Infra

Optus Enterprise; New South Wales; Hybrid; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Employee discounts

Flexible working arrangements

Office campus amenities

Connected leave days

Parental leave up to 16 weeks

Diversity & inclusion networks

24/7 wellbeing counselling

Free Optus bus service

Job summary

Optus Enterprise is seeking a systems/infrastructure engineer to assist senior engineers across the technology lifecycle, helping deliver highly available, secure and scalable systems. You will partner with internal teams and stakeholders, participate in security risk assessments, and apply modern engineering practices with automation and cloud-native tooling.

The ideal candidate has telecom or regulated environment experience, programming and API development skills, knowledge of data networks,

Qualifications

• Experience in systems engineering, infrastructure, or network engineering within telecommunications or regulated environments.
• Experience in programming, software development and building web APIs.
• Knowledge of data networks, servers, and storage technologies, with exposure to distributed systems.
• Familiarity with cloud platforms (AWS, Azure or GCP) to operate on-premises solutions using cloud-native patterns.
• Strong communication and stakeholder engagement skills.
• Relevant tertiary qualifications in Computer Science/Engineering; cybersecurity certifications are an advantage.

Responsibilities

• Assist senior engineers in delivering end-to-end solutions across the technology lifecycle, from development through to operations.
• Contribute to highly available, secure, and scalable systems, maintaining reliability of critical regulatory platforms.
• Partner with internal teams and external stakeholders, including government and law enforcement agencies, to support solution delivery and operations.
• Participate in security risk assessments and help maintain security architecture in regulated environments.
• Support continuous improvement through modern engineering practices, automation, and evolving technologies.

Skills

Programming & API development

Systems engineering/infrastructure

Cloud platforms (AWS/Azure/GCP)

Data networks, servers & storage

Stakeholder engagement

Security awareness

Education

Tertiary qualifications in Computer Science/Engineering

Tools

Cloud platforms (AWS/Azure/GCP)

Job description

Optus Enterprise is seeking a systems/infrastructure engineer to assist senior engineers across the technology lifecycle, helping deliver highly available, secure and scalable systems. You will partner with internal teams and stakeholders, participate in security risk assessments, and apply modern engineering practices with automation and cloud-native tooling.

The ideal candidate has telecom or regulated environment experience, programming and API development skills, knowledge of data networks,