As a Security Architect supporting a secure system build project, you will be responsible for designing, assuring, and governing the security architecture of critical IT systems. You will ensure that security controls are embedded from inception through delivery, aligning with organisational security standards, regulatory requirements, and industry best practices. This role is integral to safeguarding sensitive information and ensuring the confidentiality, integrity, and availability of systems within a high-assurance environment.
Key Responsibilities
Qualifications & Experience

Opes is a veteran-owned Australian company delivering high-assurance technology and intelligence services to the Defence, Government, and Critical Infrastructure sectors. We specialise in cyber resilience, secure IT systems, and open-source intelligence (OSINT) analytics, with a focus on helping clients mitigate risk, respond to evolving threats, and strengthen operational resilience.
We combine mission-ready expertise with a practical understanding of the environments we serve, enabling us to support sensitive and complex programs with confidence and discretion.