Senior Mechanical Engineer and Team Lead

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.

Please apply as an expression of interest.

This position encompasses both management and technical/design responsibilities. It is responsible for the supervision of a small team and duties are notionally split at approximately 70% technical/design and 30% management. Responsibilities in both aspects of the role are articulated separately below.

This posting is an expression of interest only. By applying, you will be joining our talent pool for consideration as suitable opportunities become available.

What the role will involve

The responsibilities of your role will include the following:

Team Leadership & Supervision

• Lead, mentor and support a small team of Mechanical Engineers, driving delivery and technical excellence.

• Manage team priorities, workload and resource allocation, escalating issues where required.

• Provide performance feedback, support career development and assist with recruitment and onboarding activities.

• Promote adherence to quality processes, risk management practices and continuous improvement initiatives.

Mechanical Engineering

• Design and develop mechanical packaging solutions for microwave subsystems, including form-factor and environmentally constrained applications.

• Produce 3D CAD models, engineering drawings, assembly documentation and bills of materials.

• Conduct thermal, structural and dynamic analyses using engineering calculations and simulation tools.

• Support product qualification activities, including vibration, shock and environmental testing.

• Ensure designs meet performance, reliability, manufacturability and cost objectives.

Project & Stakeholder Support

• Manage technical risks, provide clear technical reporting and support project delivery within schedule and budget constraints.

• Work closely with Manufacturing, Procurement and external suppliers to support prototype and production activities.

• Contribute to bids, proposals, R&D initiatives and technology roadmap discussions.

• Provide engineering support to manufacturing and drive improvements in product quality, efficiency and customer satisfaction.

• Ensure compliance with AS9100, security requirements and export control regulations.

• Degree qualified (or equivalent) in Mechanical/Mechatronics Engineering.

• 6+ years’ prior relevant experience in a similar role.

• Eligible for registration with the Board of Professional Engineers of Queensland (RPEQ).

• Experience with modelling software packages, such as Solidworks, for thermal analysis, solid part modelling, dynamic analysis, etc.

• Experience with drawing software such as Autocad and/or DraftSight.

• Ability to lead small design team.

• Ability to work independently or as part of a multidisciplinary team.

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