Security Lead - Projects & Systems Delivery

• Lead cyber security where it matters – support a major Defence program in a role with real impact.
• Step into a senior cyber leadership role where project delivery, system security, governance and stakeholder influence come together to drive secure outcomes.
• Location: Either Melbourne CBD or Canberra

This role does require the successful applicant to be an Australian Citizen and hold a Baseline security clearance and be able to uplift and maintain NV-2.

We’re a ‘Family Friendly’ certified workplace – we understand the often many and varied roles our team members need to play within their own unique family setting and actively support them.

Our team feel Leidos is a great place to work. Learn more about our culture and benefits by visiting us here https://www.leidos.com/company/global/australia/careers

Do Work That Matters

Join Leidos Australia in a key cyber leadership role supporting a major Defence program. You’ll lead cyber security obligations across the program, working closely with project, engineering and customer stakeholders to ensure security is considered early and built into system design and development from the outset.

This role is ideal for a senior cyber professional who understands how to support security across the full project management lifecycle, particularly within system design, development and delivery environments. You’ll know how to engage with engineers, developers and project teams to ensure cyber requirements are practical, achievable and embedded throughout delivery - not treated as an afterthought.

We’re looking for someone with srong project security experience, rather than a purely corporate security or governance background. You’ll combine cyber risk and compliance expertise with practical delivery experience, stakeholder influence and the ability to guide teams through secure project outcomes.

Your New Role and Responsibilities

• Lead program cyber security obligations across a complex Defence environment.
• Guide and advise project, engineering and delivery teams on how to meet cyber requirements across the project lifecycle.
• Support security input into system design and development activities, ensuring security is built in by design.
• Work with engineers, developers and technical stakeholders to identify and address security risks early in delivery.
• Support customer approval activities, including security documentation, evidence and assurance.
• Provide leadership across governance, risk and compliance activities within a project delivery environment.
• Partner with program, engineering and customer stakeholders to strengthen security outcomes.
• Drive continuous uplift of the program’s security posture and risk management capability.

What You’ll Bring to Make an Impact

• Degree in Information Security, Computer Science, Risk Management or a related field, or equivalent experience.
• 8+ years in cyber security, including experience supporting security across project delivery, system design or development environments.
• Knowledge of cyber security standards, risk frameworks and regulatory requirements.
• Experience in a Defence environment, including the Cyber Security Assessment and Authorisation Framework.
• Practical problem-solving skills and the ability to balance security requirements with delivery outcomes.

The Essentials We’re Looking For

• Military background, ideally focused across the communications spectrum of ICT, EW or networks.
• Strong understanding of operational requirements, with the ability to implement security controls that minimise risk while supporting operational priorities.
• Experience in security-focused project delivery roles, from concept through to delivery.
• Solid software or application-centric security experience.
• Demonstrated understanding of Security by Design principles.
• Education or certifications across security, engineering or ICT, supported by lived experience in at least one of these fields.
• Proven ability to communicate with and manage engagements across senior leadership, technical teams and key stakeholders.

What you need to know

• Based in Melbourne CBD location or Canberra
• Some work from home flexibility.
• Occasional travel within Australia possible.
• Australian Citizenship required.
• Must be able to start with an AU-Baseline clearance and obtain and maintain AU-NV-2.

If you’re looking for a role where you can influence outcomes, work closely with project and engineering teams, and shape cyber security delivery in a high-impact environment, we’d love to hear from you.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.