Senior Systems Engineer

L3Harris Technologies, Inc.; Brisbane; On-site; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Extra leave

Salary continuance insurance

Flexible working hours

Discounted private health insurance

Life & TPD cover

Novated car leasing

Professional development programs

Retail reward programs

Onsite parking

Half day finish on Fridays

Job summary

L3Harris Technologies, Inc. is seeking a Senior Systems Engineer in Australia to lead systems engineering activities across the full lifecycle of Defence capability projects.

You will ensure requirements are coherent, verifiable, and aligned with customer needs, participating in all lifecycle phases from requirements management to verification and validation. You will guide architecture development, design decisions, risk management, and evidence-based analysis while coordinating with

Qualifications

• Degree in electronic/electrical engineering or similar discipline.
• 6+ years of experience in a System Engineering role.
• Experience with Defence acquisition or sustainment programs.
• Demonstrated experience applying systems engineering principles across the system lifecycle.
• Understanding of engineering change control, configuration management, technical risk management, and technical decision-making processes.
• Eligible for registration with the Board of Professional Engineers of Queensland (RPEQ).
• Ability to work independently or as part of a multi-disciplinary team.
• Ability to communicate complex technical information clearly and effectively to engineering, management, supplier, and customer stakeholders.

Responsibilities

• Lead systems engineering activities across the full system lifecycle for complex Defence capability projects.
• Lead requirements analysis, decomposition, allocation, traceability, verification planning, and compliance management.
• Establish and maintain the system technical baseline (requirements, architecture, interfaces, design decisions, risks, verification evidence).
• Develop, review, and maintain key systems engineering artefacts (specifications, architecture, interface control documents, verification artefacts, trade studies).
• Lead system architecture and interface management to ensure coherence, feasibility, security, and operational alignment.
• 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.

Skills

Systems engineering

Defence programs

Requirements analysis

Architecture & design

Risk management

Education

Degree in electronic/electrical engineering

Tools

MBSE

DoDAF/MOSA/SOSA

Configuration management

Job description

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.

About the role

A Senior Systems Engineeris responsible forleading systems engineering activities across the full system lifecycle for complexDefencecapability 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,riskand change management.

What the role will involve

The responsibilities of your role will include the following:

• 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
• Lead requirements analysis, decomposition, allocation, traceability, verification planning, and compliance management
• Establish andmaintainthesystemtechnical baseline, including requirements, architecture, interfaces, design decisions, assumptions, risks, and verification evidence
• Develop, review, andmaintainkey systems engineering artefacts, including specifications, architecture & descriptions, interface control documents,verificationartefacts, 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,optionassessment, and evidence-based recommendations
• Contribute to systems engineering estimates, schedules, scope definition, resource planning, and technical delivery planning
• Develop andmaintainverification and validation strategies, plans, procedures, matrices, and evidence todemonstratecompliance 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
• Support configuration management and engineering change control to ensure the approved technical baseline ismaintained
• Coordinate with specialty engineering disciplines, including safety, security,cyberworthiness, ILS, reliability, maintainability, human factors, EMI/EMC, and environmentalqualification
• SupportDefencetechnical 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.
• Support adherence to company Quality processes and procedures, including thoserequiredfor AS9100 accreditation

Whatyou’llbring

The role requires the following experience and skills:

• Degree in electronic/electrical engineering or similar discipline.
• 6+ years of experience in a System Engineering role.
• Experience with Defence acquisition or sustainment programs.
• Demonstrated experience applying systems engineering principles across the system lifecycle.
• Understanding of engineering change control, configuration management, technical risk management, and technical decision-making processes.
• Eligible for registration with the Board of Professional Engineers of Queensland (RPEQ).
• Ability to work independently or as part of a multi-disciplinary team.
• 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 asDoDAFand standards such as MOSA/SOSA.
• Experience withDefencecommunications systems, electronic warfare systems, RF systems, mission systems, command and control systems, platform integration, or other complexDefencecapabilities.
• Experience preparing objective quality evidence for verification, validation, certification, compliance, or customer acceptance.

AboutL3HarrisAustralia

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 inEight MilePlains isThe Centre of Excellence for Electronic Warfareand ishome to world-leading design, manufacture and integrationexpertiseand the sustainment of high-reliability electronic warfare components.Ourhighly skilled workforce design and develop Australia’s sovereigndefencecapabilitiessuch as thenext-generation space, airborne and cyber capabilities for the Australian warfighter.

A few of ouremployeebenefits are:

• Anadditionalweek of leave per annum plus theoptionto buy or sell up to 2weeksadditionalannual leave.
• Salary continuance insurance (SCI pays 75% of your base salary and bonus for up to2 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
• Company paid parking/onsite company car park
• Half day finish on Fridays

Important toknow

Due to the nature of our work many our roles require an Australiancitizenshipandwill require the successful candidate to successfully apply and hold an AustralianDefenceSecurity Clearance and/or be assessed to work with ITAR information.

For more information or a confidential discussion, please contact our Talent Acquisition team at [e-mail]

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.