Senior Security Architect – Governance

• Life Days are the Leidos way of recognising that we all need extra time to take care of life. By working slightly more than the minimum weekly hours (2 hours per week for full-timers), you can accrue up to 12 days of leave per year.
• Due to the nature of the role, you must be an Australian Citizen and hold an active TSPV AGVSA Security Clearance (or above).

Our team feel Leidos is a great place to work. Learn more about our culture and benefits by visiting us here

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.

Your New Role and Responsibilities

Reporting to the Matrix Security Lead, responsibilities include:

• Design and maintain secure architecture frameworks across cloud, infrastructure, and applications, ensuring alignment with business and security needs.
• Lead and support GRC activities including policy creation, risk assessments, and audits aligned with standards like ISO 27001, NIST, CPS 234, ISM, PSPF, and DSPF.
• Collaborate with internal and external stakeholders to define and deliver tailored security controls, risk assessments, and testing strategies.
• Develop comprehensive accreditation plans and author key security documents such as SSP, SRMP, IRP, CMP, and BIL for assigned projects.
• Architect and manage security tools (e.g., SIEM, IAM), support secure development practices, and participate in incident response, threat detection, and vulnerability management.

Qualifications & Experience

• Proven background in cybersecurity roles covering architecture, GRC, and engineering functions.
• Strong knowledge of security technologies (e.g., firewalls, SIEM, IAM), cloud platforms (AWS/Azure), and secure network design.
• Familiarity with threat modelling (e.g., MITRE ATT&CK) and regulatory frameworks like ISO 27001, NIST, CPS 234, GDPR, PSPF, ISM, and DSPF.
• Relevant certifications such as CISSP, CISM, CRISC, SABSA, or AWS/Azure Security Specialty (IRAP not required).
• Current experience with Australian Government security frameworks (PSPF, ISM) is essential; DSPF experience is preferred.

Don't worry if you don't tick all the boxes – if you meet most of them, we encourage you to submit your application.  We're most interested in your strengths, what you want to learn and how far you want to go.

Diverse Team Members, Shared Values and a Common Purpose

Providing our customers with smarter solutions takes an incredible team with diversity of thought, experience and perspectives driving innovation. Inclusion is at the heart of our culture and is one of our core values. It's about creating a workplace where everyone can do important work, feels welcome, valued, and respected, and has equal access to opportunities to thrive. Paul Chase – Chief Executive, Leidos Australia.

Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from Aboriginal and Torres Strait Islanders, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups.

Our five Advocacy Groups (Women and Allies Network, Young Professionals, Defence & Emergency Services, Action for Accessibility and Abilities and Pride+) provide an opportunity for team members to connect and collaborate on shared interests, and work to support and celebrate our diverse community.

Next Steps

• To apply for this role, follow the links or apply via our Careers page.
• Recruitment process - 1 virtual interview and/or 1 face-to-face & background checks.
• Applicants may also need to meet International Traffic in Arms Regulations (ITAR) requirements. In certain circumstances this can place limitations on persons who hold dual nationality, permanent residency or are former nationals of certain countries as per ITAR 126.1.
• We are committed to making our recruitment process accessible to all candidates. Please get in touch with our Careers team if you'd like to discuss any additional support during your application or throughout the recruitment process. 

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:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.

---