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Salary
≈ $58k – $126k per year (Estimated)
Location
In office (Brisbane)
Seniority
Middle · 4+ years exp

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Oct 13, 2026. L3Harris Technologies scores A on the Alion truth index.

Overview
Company
Impact
Profile match
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

About the role

We are currently seeking a Systems Engineer for conducting systems engineering activities across the full system lifecycle for complex Defence capability projects. The role ensures technical solutions are coherent, verifiable, compliant, and aligned to customer and operational requirements. This is achieved through participation in all phases of the systems engineering lifecycle including requirements management, architecture development, design, implementation, integration, verification & validation, risk and change management. You will join a team of 4 other system engineers reporting to our Systems Engineering Manager.

What the role will involve

Key responsibilities include:

  • Work in a multi-disciplinary team with primary responsibility for the application of systems engineering processes in accordance with organisational procedures and recognised standards to ensure timely and professional delivery of project outcomes.
  • Perform requirements analysis, decomposition, allocation, traceability, verification planning, and compliance management.
  • Establish and maintain the technical baseline system, including requirements, architecture, interfaces, design decisions, assumptions, risks, and verification evidence.
  • Develop, review, and maintain key systems engineering artefacts, including specifications, architecture & descriptions, interface control documents, verification artefacts, trade studies, technical reports, and systems engineering plans.
  • Engage in system architecture and interface management activities to ensure the solution is technically coherent, feasible, secure, supportable, and aligned with operational needs.
  • Support engineering decisions through structured trade studies, technical analysis, option assessment, and evidence-based recommendations.
  • Contribute to systems engineering estimates, schedules, scope definition, resource planning, and technical delivery planning.
  • Contribute to the development and maintenance of verification and validation strategies, plans, procedures, matrices, and evidence to demonstrate compliance with applicable requirements.
  • Support integration, test readiness, verification execution, defect resolution, and customer acceptance activities.
  • Support internal and customer technical reviews, including requirements, design, test readiness, production readiness, verification, and acceptance reviews.
  • Support management of technical risks, issues, assumptions, dependencies, opportunities, and engineering change impacts.
  • Support configuration management and engineering change control to ensure the approved technical baseline is maintained.
  • Coordinate with specialty engineering disciplines, including safety, security, cyberworthiness, ILS, reliability, maintainability, human factors, EMI/EMC, and environmental qualification.
  • Support Defence technical assurance, certification, compliance, and acceptance activities, including preparation of objective quality evidence
  • Participate in internal engineering and quality processes, including non-conformance reports, failure reports, corrective actions, investigations, lessons learned, and continuous improvement activities.
  • Communicate effectively with customers, suppliers, stakeholders, and internal teams, including presenting engineering artefacts and technical recommendations.
  • Contribute to systems engineering capability development, including improvement of processes, templates, tools, methods, and standards.
  • Support adherence to company Quality processes and procedures, including those required for AS9100 accreditation.

What you’ll bring

The role requires the following experience and skills:

  • Degree in electronic/electrical engineering or similar discipline.
  • 4+ years of experience in a System Engineering role.
  • Current Defence security clearance (NV1 or willing to obtain)
  • Experience with Defence acquisition programs.
  • Demonstrated experience applying systems engineering principles across the system lifecycle.
  • Experience with requirements management and/or systems engineering tools.
  • Understanding of engineering change control, configuration management, technical risk management, and technical decision-making processes.
  • Ability to communicate complex technical information clearly and effectively to engineering, management, supplier, and customer stakeholders.

Desirable:

  • Post-graduate qualifications in Systems Engineering.
  • Knowledge of model-based systems engineering (MBSE).
  • Knowledge of systems architecture frameworks such as DoDAF and standards such as MOSA/SOSA.

About L3Harris Australia

L3Harris has provided advanced technology solutions to government and commercial customers across Australia for more than 25 years. L3Harris has facilities in all major cities and employs over 500 people.

L3Harris in Eight Mile Plains is The Centre of Excellence for Electronic Warfare and is home to world-leading design, manufacture and integration expertise and the sustainment of high-reliability electronic warfare components. Our highly skilled workforce design and develop Australia’s sovereign defence capabilities such as the next-generation space, airborne and cyber capabilities for the Australian warfighter.

A few of our employee benefits are:

  • An additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leave.
  • Salary continuance insurance (SCI pays 75% of your base salary and bonus for up to 2 years)
  • Flexible working hours and patterns depending on location
  • Discounted private health insurance
  • Life & Total Permanent Disability Cover
  • Novated Car Leasing
  • Company supported professional development programs
  • Retail Reward programs
  • Onsite company car park
  • Half day finish on Fridays

Important to know

Due to the nature of our work many our roles require an Australian citizenship and will require the successful candidate to successfully apply and hold an Australian Defence Security Clearance and/or be assessed to work with ITAR information. Please answer the pre-screening questions upon applying for this assessment.

For more information or a confidential discussion, please contact our Talent Acquisition team at [email protected]

L3Harris respectfully requests no agency submissions at this time.

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