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.

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

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.

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.