Senior Systems & Cyber Security Specialist

Date Posted:
2026-10-14


Country:
Australia


Location:
AU-WA-HENDERSON-001 ~ 1 Mcgrath Rd ~ MCGRATH


Position Role Type:
Hybrid
Support Australia's Defence mission
Connect with diverse teams to solve real world problems
Flexible work opportunities and a supportive culture
Your mission starts here at Raytheon Australia!
Raytheon Australia is proud to be the trusted capability partner of the Australian Defence Force, working hand-in-hand to deliver through life sustainment of the Navy's Hydrographic and Patrol Vessel capabilities.
We are seeing an experienced Senior Systems & Cyber Security Specialist to join our growing team and play a key role in shaping the cyber security posture of some of Australia's most important Defence capabilities.
As a Senior Systems & Cyber Security Specialist, you will provide specialist cyber security engineering leadership and assurance across critical maritime Command, Control, Communications, Computing and Information (C4I), Mission System ICT, and Operational Technology (OT) systems. Working closely with Defence stakeholders, engineering teams and industry partners, you will ensure systems remain cyber-worthy, accredited, secure and operationally effective throughout the sustainment lifecycle.
Working on projects that truly contribute to the defence of our nation, we look for specialists with a talent for big picture thinking and attention to detail, alongside strong capabilities to develop and deliver outcomes for our nation and defence.
Lead the cyber-worthiness management of maritime C4I, Mission System ICT, and cyber-sensitive OT systems.
Provide expert cyber security engineering advice to support technical decision-making, governance, and sustainment activities.
Ensure critical mission systems remain secure, accredited, compliant, and operationally effective throughout their in-service life.
Drive cyber resilience by identifying, assessing, and managing cyber risks across complex Defence capabilities.
Support certification, accreditation, assurance, and compliance activities in accordance with Defence cyber security requirements.
Collaborate with Defence, Fleet, project offices, contractors, and technical authorities to deliver effective cyber security outcomes.
Influence engineering and sustainment activities to achieve secure-by-design and cyber-resilient outcomes.
Foster a strong cyber security culture through continuous improvement, mentoring, and stakeholder engagement.
Key responsibilities
Act as the primary cyber security focal point for C4I, Mission System ICT, and cyber-sensitive OT systems.
Lead cyber risk management activities, including the identification, analysis, mitigation, and communication of cyber threats, vulnerabilities, and residual risks.
Assess configuration changes, software updates, firmware releases, engineering changes, and system integrations for cyber-worthiness impacts.
Maintain alignment of system configurations with approved security baselines, certified states, and accreditation requirements.
Develop, review, and maintain cyber security artefacts including Security Risk Management Plans (SRMPs), Statements of Applicability (SoA), System Security Plans (SSPs), CTARs, and CTILs.
Support Defence certification and accreditation activities by preparing technical evidence, configuration data, and security assurance documentation.
Provide cyber engineering support for incident detection, triage, impact assessment, response, recovery, and post-incident improvement activities.
Conduct cyber security assessments relating to sustainment activities, software and firmware updates, diagnostic tools, maintenance activities, and supply chain assurance.
Support governance, compliance, audit, and assurance activities to ensure ongoing cyber-worthiness and regulatory compliance.
Engage with Defence stakeholders, accreditation authorities, Fleet representatives, Class Groups, contractors, and subject matter experts to provide authoritative cyber security advice.
Contribute to Cyber Security Management Plans and continuous assurance activities, ensuring accurate technical records and traceability are maintained.
Promote cyber awareness and security best practices across engineering and sustainment teams.
Skills, Experience & Qualifications
5+ years' experience in cyber security, systems engineering, or a related discipline, preferably within Defence or the Defence industry.
Tertiary qualifications in Cyber Security, Systems Engineering, Computer Science, Information Technology, Electrical Engineering, or a related discipline.
Demonstrated experience in cyber security engineering, systems engineering, or information security within Defence, maritime, aerospace, government, or other highly regulated environments.
Strong understanding of cyber security governance, risk management, assurance, certification, and accreditation processes.
Experience assessing cyber security impacts associated with system changes, software updates, technology refresh activities, and system integrations.
Knowledge of Defence cyber security frameworks and standards, including the Information Security Manual (ISM), Protective Security Policy Framework (PSPF), and Defence Security Principles Framework (DSPF).
Experience developing and maintaining cyber security documentation, security risk assessments, security plans, and accreditation artefacts.
Understanding of C4I systems, operational technology (OT), mission systems, networks, and ICT environments.
Proven ability to identify and manage cyber threats, vulnerabilities, and remediation activities across complex technical systems.
Strong stakeholder engagement and communication skills, with the ability to communicate technical cyber risks to both technical and non-technical audiences.
Experience supporting cyber incident response, recovery, and resilience activities.
Ability to work effectively across multidisciplinary teams and influence outcomes in a complex stakeholder environment.
Eligibility to obtain and maintain an Australian Defence security clearance commensurate with the requirements of the role.
This position may require availability to travel when required.
Experience within the Australian Defence, Maritime, Naval, or Defence Industry sectors. (Desirable)
Professional certifications such as CISSP, CISM, SABSA, CCSP, Security+, GICSP, or equivalent. (Desirable)
Successful candidates must be eligible to obtain and maintain a Negative Vetting Level 1 Security clearance as needed. Eligibility can be found at https://www.agsva.gov.au/applicants/eligibility-suitability
This is your opportunity to join the brightest minds in the nation working for the mission on leading-edge technology to deliver Australia’s most significant defence capabilities.
If you are looking to contribute to the mission that matters, click apply now or contact us at careers@raytheon.com.au.
RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.
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