Principal Systems & Cyber Security Specialist

Posted 18 Hours Ago
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Southgate, New South Wales, AUS
In-Office
Senior level
Aerospace • Defense
The future of aerospace and defense
The Role
Provides principal-level systems and cybersecurity leadership across Australian Defence programs. Advises engineering teams and Defence stakeholders, leads CSAA activities, integrates secure-by-design requirements, develops security assurance artefacts, manages cyber risk and GRC outcomes, and supports Defence authorisation. The role also involves stakeholder engagement, business development support, mentoring, regular travel, and maintaining compliance with PSPF, DSPF, and ACSC ISM requirements.
Summary Generated by Built In

Date Posted:

2026-09-30

Country:

Australia

Location:

AU-SA-MAWSON LAKES-111 ~ 1-11 Technology Dr ~ BLDG 111

Position Role Type:

Unspecified

  • Fast paced dynamic work environment
  • Great benefits and career opportunities
  • Multiple location options available, including Brisbane, Adelaide and Sydney.

Your mission starts here at Raytheon Australia!


We are seeking an experienced Principal 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.


In this highly visible role, you will provide expert systems and cyber security leadership across a diverse portfolio of Defence programs, supporting security outcomes throughout the capability lifecycle. Working closely with engineering teams, program leadership and Defence stakeholders, you will help ensure complex systems are secure, resilient and compliant with Defence security requirements.


You will leverage your deep understanding of both systems engineering and cyber security principles to translate complex technical requirements into the artefacts, evidence and assurance activities required to achieve and maintain Defence security authorisation.


The role will require regular travel and direct engagement with Defence stakeholders and customers.

Key Responsibilities

  • 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.

Skills, Experience and Qualifications

  • 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.

To be considered for this role, you must be an Australian Citizen and hold, or be eligible to obtain and maintain, an Australian Government Security Vetting Agency (AGSVA) Security Clearance at the NV1 level or higher. 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 [email protected].

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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Skills Required

  • 8+ years of experience in cybersecurity, systems engineering, or a related discipline, preferably in Defence or the Defence industry
  • Strong knowledge and practical application of PSPF, DSPF, and ACSC ISM
  • Experience leading CSAA activities and developing security artefacts including SSPs, SSP-As, SRMPs, IRPs, CMPs, SAPs, and POAMs
  • Experience applying GRC principles within complex programs and operating environments
  • Ability to translate technical and cybersecurity risks into actionable advice
  • Strong stakeholder engagement and communication skills with Defence customers, authorisation authorities, and multidisciplinary teams
  • Excellent written communication skills and ability to produce high-quality security documentation and assurance artefacts
  • Australian citizenship
  • Hold or be eligible to obtain and maintain an AGSVA security clearance at NV1 level or higher
  • Experience supporting business development, bid, and capture activities
  • Relevant industry certification such as CISSP, CISM, CISA, SABSA, or IRAP Assessor

RTX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RTX and has not been reviewed or approved by RTX.

  • Retirement Support — 401(k) programs are described with employer matching and, in many cases, an additional company retirement contribution, with a student‑loan repayment feature that can substitute for the match in eligible situations. Plan materials also reference automatic enrollment and other structural supports that strengthen long‑term savings.
  • Healthcare Strength — Benefits materials highlight comprehensive medical, dental, and vision coverage alongside wellness tools and incentives. HSA‑eligible options with company contributions are also referenced on careers and benefits pages.
  • Parental & Family Support — Program descriptions point to paid parental leave, backup childcare resources, and family supports such as birth/adoption benefits and an Autism Benefit (availability varies by unit and location). Dependent and elder‑care resources are also noted.

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The Company
HQ: Arlington, VA
185,000 Employees
Year Founded: 2020

What We Do

With more than 185,000 global employees, RTX pushes the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – we are advancing aviation, engineering integrated defense systems and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges.

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