L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
A Senior Systems Engineer is responsible for leading 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.
What the role will involve
The responsibilities of your role will include the following:
Lead requirements analysis, decomposition, allocation, traceability, verification planning, and compliance management
Establish and maintain the system technical baseline, 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
Lead 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
Develop and maintain 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
Plan, prepare, and support internal and customer technical reviews, including requirements, design, test readiness, production readiness, verification, and acceptance reviews
Manage technical risks, issues, assumptions, dependencies, opportunities, and engineering change impacts
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.
Provide technical leadership, task guidance, peer review, and mentoring to junior engineers and other engineering team members.
The role requires the following experience and skills:
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.
Experience with Defence communications systems, electronic warfare systems, RF systems, mission systems, command and control systems, platform integration, or other complex Defence capabilities.
Experience preparing objective quality evidence for verification, validation, certification, compliance, or customer acceptance.
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:
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.
As an equal opportunities employer, L3Harris is committed to the equal treatment of all current and prospective employees and does not condone discrimination on the basis of age, disability, sex, sexual orientation, pregnancy and maternity, race or ethnicity, religion or belief, gender identity, or marriage and civil partnership.
