Senior Security Engineer

• Senior Security Engineer — bring your technical depth and leadership to protect Australia’s digital landscape
• Join a well established Cyber Security Engineering team
• Location: Canberra

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

Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life.  Our 2000 local experts, backed by our global experience and network of partners, are working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets.

Join an established, dynamic Cyber Security Engineering team within the Leidos Centralised Processing Program for Defence.  As a Senior Cyber Security Engineer you will work with Leidos and Defence staff as a Technical SME, managing and delivering systems and solutions responsible for providing Cyber-security outcomes across the managed environment with a multi-faceted team.  If wearing many hats is your thing, this job is for you!

Key Responsibilities

• Provide technical subject matter expertise and leadership across one or more key cybersecurity technical domains
• Act as the technical owner of security outcomes within a cybersecurity domain, driving the development, implementation and ownership of security systems, controls, standards, mitigations and solutions supporting Defence operations, ensuring compliance with regulatory controls and cybersecurity policies.
• Engage directly with other cybersecurity and engineering domains to provide tactical cybersecurity advice, articulate technical solutions, and build long-term trusted relationships
• Develop and maintain technical documentation, including architectural diagrams, implementation plans, tuning guides, and operational runbooks.
• Champion quality assurance and design feedback across engineering deliverables, focused on achieving strong cybersecurity outcomes and the delivery of effective security controls across proposals, documentation, service transition and deployment standards.
• Act as a key technical escalation point for technical deliverables.
• Mentor and guide fellow cybersecurity staff through knowledge sharing, technical reviews and process improvement
• Lead the maturation and continuous improvement across your cybersecurity technical domain

 About You and What You'll Bring

• 4-7 years or more experience in multiple ICT domains, such as midrange systems, networks, end‑user computing, automation, cybersecurity, or similar technical areas.
• 3-5 years or more in one or more Cybersecurity domains such as Application Control, Application Hardening, EDR, Observability, and Vulnerability Detection.
• Excellent written and verbal communication skills.
• Strong working understanding of the Information security manual (ISM) and the Defence Security Principles Framework (DSPF).
• Highly desirable: familiarity with tools/technology areas including Trellix EPO, Splunk, Ansible, Tenable, Enterprise Linux, Apache NiFi, Enterprise Networks, Network Security

This role does require the successful applicant to be an Australian Citizen and hold a NV-2 level security clearance. Those currently holding an NV-1 will also be considered if willing to uplift to NV-2. 

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.