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 We are seeking a highly organised, proactive, and professional Executive Assistant to provide comprehensive administrative, operational, and strategic support to the Managing Director and Senior Leadership Team.

This is a pivotal role that requires exceptional organisational skills, strong attention to detail, and the ability to manage multiple priorities in a fast-paced environment. As the central point of coordination and support for the leadership team, you will play a key role in ensuring the smooth day-to-day operation of the business through effective diary management, stakeholder engagement, travel coordination, event planning, and executive support.

What role will involve

Link tactical issues that greatly affect morale and culture to the SLT who can act accordingly to resolve.

Fully responsible for travel policy adherence and travel arrangement inc all aspects of budget management for that activity

High-level administrative, operational, and strategic support to enable the MD to operate efficiently and focus on key business priorities

Managing schedules, communications, stakeholder coordination, confidential information, and executive logistics while acting as a central point of organisation and support.

Assisting with prioritisation, problem-solving, and ensuring effective day-to-day business operations on behalf of the MD

Diary management for the business, particularly the MD and SLT – 8 peoples diaries, 12 monthly management meetings,



12 Business reviews (Div), 40+ PMRs, multiple 1-2-1s, 25+ functional reviews,

Plan, organize and ensure the successful execution of events such as gate reviews, executive meetings, business events, customer visits, staff engagements and culture / morale building activities. ~17 gate reviews, 12 staff engagements, 15+ customer visits

Travel booking for the business, ensuring compliance with L3H policy, management of itineraries, flights, accommodation and car hire. Act as a specialist and liaise with BCD ensuring VfM from their service. – Budget of ~$100k inc project travel.

Manage facility provisions and support external contractors who provide services such as cleaning products, consumables, minor repairs, HSE activities, facility changes (staff moving around for operational reasons). Weekly purchases and 15 to 20 contractor actions per year

Overall action management for the business, ensuring completion, updates and all aspects are within the agreed timescales. Member of the “GS2AUS Works Council”, an employee run forum which aims to develop a positive business culture. ~50 actions per year, 12 council meetings with responsibility to liaise and close actions related to the SLT

Manage and ensure timely completion of all SLT expenses claims ensuring accuracy in completion and adherence to L3H policies. – expenses total of ~$10k / month

Manage CRM in support of the BD function ensuring updates and owners’ actions are completed. – monthly update to 30+ entries

What you’ll bring

Basic or higher education certificate

Computer literacy

Confident writing skills

Proficient admin and organisational skills

Confident telephone skills

Excellent communications skills to all levels of the business internal and external

Preferred Additional Skills:





Dangerous Goods qualifications (IATA/DGR)

Quality driven with an analytical nature

Capable of periods of autonomous work without requiring direct supervision

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 career development programs

Retail Reward programs

Company paid parking/onsite company car park

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

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.

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📌 Executive Assistant (Brisbane)
🏢 Harris Geospatial Solutions
📍 Brisbane