Overview
We currently have an opportunity for a Cybersecurity & Systems Engineer in Melbourne to work on Land projects. Join our Downer Professional Services team and play a key role in delivering complex defence and national security projects that safeguard Australia's future. Downer Skilled Services is comprised of two business units, our Technical, Advisory, and Capability consulting practice and Team Downer, a major service partner to Defence. Together, we are a multi-disciplinary advisory and delivery partner of choice for our clients in Defence and National Security. What You'll Do What You'll Do
Conduct penetration testing and vulnerability assessments across applications, networks, and infrastructure to identify and mitigate security risks. Perform security risk assessments and maintain accreditation compliance with frameworks such as ISM, Essential Eight, DISP, ISO 27001, and NIST standards. Prepare detailed technical reports and executive summaries communicating security findings, risks, and recommended mitigation strategies. Contribute to system design, integration, and verification activities, ensuring security controls are embedded throughout the system development lifecycle (SDLC). Administer and maintain operating systems and virtualization environments, supporting patch management, user account management, backup/recovery, performance monitoring, and troubleshooting complex system issues. What You'll Bring
Proven experience in penetration testing, vulnerability management, and security risk assessment within complex environments. Strong systems engineering and administration background, with hands-on expertise in Windows and Linux administration, including security hardening and patch management. Familiarity with government and defence system accreditation processes, along with networking, virtualization, and cloud platform experience. Ability to produce high-quality technical and executive-level reports that communicate complex security findings effectively. Relevant industry certifications (e.g., OSCP, CISSP, CEH) and/or systems engineering qualifications (e.g., INCOSE CSEP, ITIL), complemented by scripting/automation skills and knowledge of DevSecOps practices. Due to the nature of the work, you are required to currently hold and maintain a minimum Negative Vetting 2 security clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) requirements may also be an inherent requirement. Security Clearance
You are required to currently hold and maintain a minimum Negative Vetting 2 or higher Security clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) requirements may also be an inherent requirement. Why Downer Professional Services
At Downer Professional Services, we are a business dedicated to contributing to the shaping of the future of defence in Australia. We are committed to making a real difference in protecting Australia's interests and offer meaningful work, professional development opportunities, and supportive programs for our people. Meaningful work:
Deliver critical Defence projects that protect Australia and shape its future. Professional development:
Access career mapping, accelerated learning programs, and shared learning through our Communities of Practice. Perks:
Discounts on healthcare, retail, vehicles, and more through Perks@Downer. Veteran support:
Initiatives like up to 20 days of Reservist Leave to stay connected post-service. You want your work to matter and so do we. With over 26,000 people across Australia, New Zealand and the Pacific, our team is made up of individuals with unique perspectives, backgrounds, and ideas. We celebrate diversity and inclusion and welcome people from all backgrounds to apply. About Downer
Downer is the leading provider of integrated services in Australia and New Zealand. We deliver essential infrastructure services that improve the lives of millions of people every day and leave a lasting legacy for future generations. Location
Melbourne, VIC
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