Senior Security Architect

Leidos; City of Knox; On-site; AUD 100,000 - 130,000; Full time

Benefits offered by this job

Competitive salary

Health and Wellness programs

Paid Leave

Job summary

A leading technology solutions provider in Australia is seeking a cybersecurity expert to design secure architecture and lead governance activities. The role demands experience in cybersecurity frameworks like ISO 27001 and NIST, as well as familiarity with AWS/Azure security measures. Ideal applicants should possess relevant certifications and experience in Australian Government security. Join a diverse team that values innovation and inclusion.

Qualifications

• Proven background in cybersecurity roles, covering architecture and engineering functions.
• Experience with security compliance standards like ISO 27001 and NIST.
• Current experience with Australian Government security frameworks is essential.

Responsibilities

• Design and maintain secure architecture across cloud and applications.
• Lead GRC activities including policy creation and risk assessments.
• Collaborate with stakeholders to define tailored security controls.

Skills

Cybersecurity architecture

GRC compliance

Knowledge of firewalls and SIEM

Cloud security (AWS/Azure)

Threat modelling knowledge

Education

Relevant certifications (CISSP, CISM)

Experience with Australian Government security frameworks

Tools

SIEM

IAM

Job description

Description

Life Days are 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 NV‑2 AGVSA Security Clearance (or above).

Team & Culture

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.

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 at [e-mail] if you’d like to discuss any additional support during your application or throughout the recruitment process.

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3 2025. For more information, visit www.Leidos.com.

Pay And Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment‑related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment‑related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.