Principal Systems & Cyber Security Specialist

RTX

. Act as a trusted cyber security advisor to internal program teams and Defence stakeholders .

Posted 9/30/2026full-timeMawson Lakes • AustraliaLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Cyber Security, particularly within Defence, with a strong focus on Security Governance, Risk, and Compliance (GRC) principles. Capable of leading Cyber Security Assessment and Authorisation (CSAA) activities while providing actionable risk advice and developing high-quality security documentation.

Highest-signal resume keywords

Cyber Security Assessment And Authorisation (CSAA)Protective Security Policy Framework (PSPF)Defence Security Principles Framework (DSPF)Security Governance, Risk, And Compliance (GRC)CISSP Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cyber SecuritySystems EngineeringSecurity Documentation DevelopmentRisk ManagementStakeholder EngagementSecurity Artefacts DevelopmentTechnical LeadershipCompliance GuidanceBusiness Development SupportClearance Eligibility

Soft Skills

Communication SkillsMentoring

Certifications & Qualifications

CISSPCISMCISASABSAIRAP Assessor

Industry Keywords

DefenceCyber ResilienceSecurity GovernanceRisk AdviceDefence Stakeholders

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Act as a trusted cyber security advisor to internal program teams and Defence stakeholders
Influence system and solution design activities to achieve secure-by-design and cyber-resilient outcomes
Lead and support Cyber Security Assessment and Authorisation (CSAA) activities across assigned Defence programs
Partner with systems engineering and project delivery teams to integrate security requirements throughout the capability lifecycle
Develop and maintain security documentation and assurance artefacts required to achieve and sustain Defence security authorisation
Drive security governance, risk, and compliance (GRC) outcomes in alignment with Defence security frameworks and program requirements
Lead cyber security risk management activities and provide trusted risk advice to program and engineering leadership
Provide subject matter expertise on the PSPF, ISM, and DSPF
Engage with Defence stakeholders and authorisation authorities to progress security authorisation activities
Support business development, bid, and capture activities through cyber security expertise and compliance guidance
Mentor and provide technical leadership to security practitioners across the business
Require regular travel and direct engagement with Defence stakeholders and customers

Requirements

What you’ll need

8+ years' experience in cyber security, systems engineering, or a related discipline, preferably within Defence or the Defence industry
Strong knowledge and practical application of the Protective Security Policy Framework (PSPF), Defence Security Principles Framework (DSPF), and ACSC Information Security Manual (ISM)
Demonstrated experience leading Cyber Security Assessment and Authorisation (CSAA) activities and developing security artefacts, including SSPs, SSP-As, SRMPs, IRPs, CMPs, SAPs, and POAMs
Experience applying security governance, risk, and compliance (GRC) principles within complex programs and operating environments
Ability to translate complex technical and cyber security risks into clear, actionable advice for engineering, program, and customer stakeholders
Strong stakeholder engagement and communication skills, with experience engaging Defence customers, authorisation authorities, and multidisciplinary delivery teams
Experience supporting business development, bid, and capture activities is highly regarded
Relevant industry certifications are highly regarded, including CISSP, CISM, CISA, SABSA, or IRAP Assessor
Excellent written communication skills, with a demonstrated ability to produce high-quality security documentation and assurance artefacts
Must be an Australian Citizen
Must hold, or be eligible to obtain and maintain, an Australian Government Security Vetting Agency (AGSVA) Security Clearance at the NV1 level or higher

Benefits

Comp & perks

Great benefits and career opportunities
Multiple location options available, including Brisbane, Adelaide and Sydney