Senior Systems Engineer – Security

3 days ago


Sydney, Australia REA Group Full time

We’re REA

REA Group ( is not your average digital business. From humble beginnings in a garage in Melbourne’s east in 1995, we have grown into a leading global digital business, specialising in property.

With bold and ambitious goals, we are changing the way the world experiences property. No matter where you're at on your property journey, we're here to help with every step - whether that's finding or financing your next home.

Our people are the key to our success. At the heart of everything we do, is a thriving culture centred around high performance and care. We are purpose driven and collaborative, which drives innovation and our ability to make a real impact. As such, we’re proud to be named in Australia’s “Top 5” Best Workplaces two years in a row, as well as being recognised as a Best Workplace for Women and Best Workplace in Technology by Great Place to Work Australia.

Day to day of the job

As Senior Systems Engineer – Security, you’ll be part of the tribe responsible for ensuring the protection of REA’s internal and external Cloud environments, tooling and infrastructure, and making all delivery teams at REA more effective.

We work on a wide range of technical products and solutions as required by other groups across the company, such as cloud deployment tools, CI/CD pipelines, networking, security, monitoring and deployment. We also consult to our many product delivery teams across REA Business to help them bring their solutions to life.

The Senior Systems Engineer - Security supports the Group Security Tribe in the following ways:

Developing and communicating patterns for security, focused towards REA’s strategic business goals, in collaboration with security team members and other technical leaders across REA.

Walking the talk, working with other business and technology teams in delivering security projects aligned to the security roadmap.

Championing security and influencing business and technology stakeholders in its adoption.

Implementing, operating and supporting security tooling, services and patterns to support IT delivery teams.

Have a security industry perspective, evaluating or taking the lead on emerging technologies, understanding threats and how external products and services can be used and integrated.

Support major security incident response processes by providing technical security expertise.

Acts as an escalation point for security issues to on-call staff.

Engages with the rest of the Security team to continuously improve the security tools and services we provide

Participates in the research and contribute to security roadmaps to ensure that REA’s security capabilities, technologies and products are current and reflect the needs of the business

Provide technical consultation across the business on all aspects of Security Engineering

Mentorship and upskilling of colleagues within the Group Security tribe

Who we’re looking for

5+ years experience in a security/systems engineering or related role

Experience with operating in a multi-cloud environment, or experience with multiple cloud environments

Proficient in at least one programming/scripting language (Bash, Python, TypeScript, Kotlin etc.)

Practical experience with building, deploying and maintaining applications in a production environment (preferably containerised applications in a cloud production environment)

Experience in implementing and maintaining common application security tooling CI/CD integrations, SAST/DAST, WAF, API & Bot Protection

Understanding of network topologies, protocols, routing and design

Strong Linux skills and experience working with open source tools

Solid understanding of web protocols, and the ability to spot abnormal or potentially malicious activity

Knowledge of common attack types, including how misconfigurations can lead to vulnerabilities

Proven ability to influence technical stakeholders to maintain or improve security posture

Strong problem solving and analysis skills, with the ability to think creatively

The ability to communicate effectively with highly developed written and verbal communication skills, especially presenting complex and nuanced concepts to a variety of stakeholders

Track record of continuous learning, with a love for sharing knowledge and helping others.

Nice to have

Experience with performing vulnerability assessments and penetration tests

Understanding of Zero Trust principles and architectures

Solid understanding of CI/CD pipelines

Experience in working with agile teams and methodologies

Relevant academic or industry qualifications

The REA Experience

The physical, mental, emotional and financial health of our people is something we’ll never stop caring about. This is a place to learn and grow. We’re committed to your development – both professionally and personally. Your experience with us is something we take seriously.

We offer:

A hybrid and flexible approach to working -

Flexible parental leave offering for primary and secondary carers

Programs to support mental, emotional, financial and physical health & wellbeing

Our Because We Care program offers employees volunteering leave, community grants, matched payroll giving and our Community Café donates 100% of revenue to charity.

Hack Days so you can bring your big ideas to life

Performance recognition programs because hard work should never go unnoticed

Our commitment to Diversity, Equity, and Inclusion



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