Graduate Cyber Security Engineer (Feb 2026)

Award winning Graduate Program

Leidos Australia has been identified as a Top 100 Graduate Employer in Australia for the forth year in a row, and again ranked in the Top 5 for the Defence and Aerospace sector for the third year in a row by Prosple - So what makes our graduate program award winning?

• As a graduate you are employed on a permanent basis working on real projects as an embedded team member, and will spend the first 12 months on the graduate program
• You will be allocated a ‘Leidos Purple Buddy’ to help get you settled in
• You will attend a graduate specific induction along with monthly graduate catch ups as an opportunity to build connections internally and to learn more about the business
• You will be offered a formal mentoring program to help grow your career and will undertake a number of professional development and training courses to get you upskilled.

Leidos Benefits

• Access to over 100,000 online training and development courses through our the technical training portal Percipio
• Support of advocacy groups including; The Young Professionals, Women and Allies Network, Allies & Action for Accessibility and Abilities, the Defence & Emergency Services and Pride+
• Entitlement to one day a year of volunteer leave to support a cause you’re passionate about
• Leidos is a family friendly certified organisation and we provide flexible work arrangements that are outcomes focused and may consist of; flexible work hours, Life Days (formally RDOs), Switch Days where you can switch a public holiday for an alternative days that means more to you, and a career break of between 3 months and 2 years to take time out from Leidos to explore other interests
• Access to Reward Gateway to give upfront discounts or cashback rewards with over 400 Australian and International retailers

What makes Leidos stand out?

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defence, intelligence, civil and health markets. Leidos' 46,000 employees globally support vital missions for government and commercial customers.

Leidos Australia has been a trusted partner to the Australian Government for over 25 years, having delivered some of the most complex software and systems integration projects in Australia. Led by a local leadership team, we deliver projects and services through five lines of business – Airborne Solutions, Civil Services & Projects, Defence Digital Solutions & Support, Defence Mission Systems and Intelligence (C4ISR) – supported by local corporate functions.

Leidos Australia’s government and defence customers enjoy the advantage of a 2000+ local workforce, backed by Leidos’ global expertise, experience and capabilities. With a focus on sovereign development and support, the company invests locally in R&D both directly and in combination with local Small and Medium Enterprises.

Job Description

Your New Role

An average week for a Graduate Cyber Security Engineer could include a wide range of activities including:

• Working with a variety of stakeholders to develop an understanding of the cyber operating environment for Federal Government, Defence and National Security Agencies;
• Undertaking analysis on client networks and endpoints for security events/alerts for active threats, intrusions and/or compromises;
• Performing security operations work involving the Security Information and Event Management tool, network intrusion systems and Host based Intrusion Prevention tools (AV, HIPS, Application Whitelisting);
• Monitoring and assessing emerging threats and vulnerabilities to the environment and ensuring those requiring action are addressed;
• Security Incident Management, advice and education and maintaining the currency and health of the deployed security tools;
• Providing technical administration support for security suite of software and hardware;
• Contractual and stakeholder reporting;
• Reviewing and documenting and improving processes to contribute to the overall security of the environment.

Graduates will be supported to develop their skills and knowledge specific to this role, to ensure they are able to contribute and reach their highest potential. As a Leidos graduate, you will be working on interesting and challenging projects and will take part in a range of training and development opportunities.

Qualifications

About You and What You'll Bring

This role is ideal for someone who is completing or has recently completed a Bachelor’s Degree from an accredited institution in a related discipline:

• Bachelor of Computer Science
• Bachelor of Software Engineering
• Bachelor of Cyber Security
• Bachelor of Cyber Operations
• Bachelor of Information Technology

Along with your education and any practical experience, Leidos values individuals who use their initiative and seek to understand the business and develop relationships based on respect.

Additional information

Successful candidates must be Australian Citizens at the time of application to be eligible to obtain and maintain an Australian Government Security Clearance.

At Leidos, we proudly embrace diversity and support our people at every stage of their Leidos journey in terms of inclusion, accessibility and flexibility. We have a strong track record of internal promotion and career transitions. And at Leidos you’ll enjoy flexible work practices, discounted health insurance, novated leasing, 12 weeks paid parental leave as a primary carer and more. We look forward to welcoming you.