Executive Assistant
Posted on June 6, 2025 by L3Harris
- Fremantle, Australia
- N/A
- nan

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 Technologies is the Trusted Disruptor in the defense industry. 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 us
L3Harris Technologies is an agile global aerospace and defence technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. We provide advanced defence and commercial technologies across the air, land, sea, space and cyber domains.
L3Harris Australia (operating as Integrated Mission Systems Australia) has provided advanced technology solutions to the Australian Defence Force and Commercial customers for over 25 years. As a government partner of choice, L3Harris brings speed, innovation and flawless execution together with our commitment to making the world safer and more secure.
About the role
L3Harris IMSA are seeking a highly-driven, detail-orientated Executive Assistant to assist the Senior Leadership Team with their day-to-day business.
This valued employee’s core duties will be to not only conduct administrative duties, but including diary management, expense reconciliation, monitor and actioning reporting due dates for the General Manager. Coordination of events, travel and accommodation for staff. Act as a central point of contact for the GM.
About you
To be successful in this role and to best leverage the opportunities provided by L3Harris, some skills & experience ideal applicants will bring include;
- At least 5 years of secretarial/administrative experience
- Strong computer skills with a high level of accuracy and attention to detail
- Document management experience
- Experience in a Defence or Project based business
What we offer
Working at L3Harris offers various benefits including;
- A dynamic and inclusive working environment
- Company-paid parking in Fremantle
- An additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leave
- Flexible working arrangements and a commitment to work life balance
- Company supported professional development programs
- Salary continuance insurance
- Novated leasing
- Retail Reward programs
- Health insurance discounts
Want to explore further?
For more information or a confidential discussion, please contact our Talent Acquisition team at HR.IMSA@L3Harris.com
L3Harris respectfully requests no agency submissions at this time.
All applicants must have Australian Citizenship in order to obtain and hold an Australian Defence Security Clearance.
Eligibility and clearance process information can be found at;
https://www.defence.gov.au/security/clearances/about/overview
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.
Advertised until:
July 6, 2025
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