Marketing Content Writer

Job Title – Marketing Content Writer

Job ID – 26866

About this opportunity and L3Harris Australia

L3Harris Australia excels as a prime defence contractor, providing integrated tech solutions for over four decades. Specialising in technology that connects and shapes operations spanning multiple domains: space, air, land, sea, cyber and first responders. Today, we employ over 500 professionals in all major cities who understand the region's unique requirements.

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. This site is part of our global Intel & Cyber International Team and will sit at a divisional to support the ICI group.

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 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

• Company paid parking

• Retail Reward programs

• Half day finish on Fridays

What the role will involve

The Marketing Content Writer plays a critical role in shaping and delivering clear, compelling, and strategic communications across internal and external channels. As part of the global ICI marketing team, you will create high-impact content that brings complex technical solutions to life for a variety of audiences, supporting business growth, brand awareness, and customer engagement.

The role requires a versatile communicator who can blend technical accuracy with narrative flair—someone who understands how to collaborate across geographies and business units while maintaining a consistent voice and tone aligned with corporate standards.

The responsibilities of your role will include the following:

• Create compelling content and copy across a broad range of physical and digital platforms for external and internal use
• Support and manage multiple concurrent projects, including major product launches, joint industry announcements, and global advertising campaigns.
• Develop and maintain marketing assets in line with branding guidelines, working with designers and creative teams.
• Work with PR and social media leads to plan and execute campaigns, ensuring timely content delivery and alignment with strategic objectives.
• Contribute to corporate publications, newsletters, and internal blogs.
• Support the creation of communications reports to measure content reach, engagement, and ROI.
• Track content performance across channels (web, social, advertising, events) and feed learnings into future campaigns.
• Collaborate closely with internal stakeholders across BD/Sales, Product, Strategy, Engineering, and Communications to gather insights, validate content, and align messaging.

What you'll bring

The role requires the following experience and skills:

• Proven experience in B2B content writing, copywriting, or marketing communications—ideally in defense, aerospace, security, or high-tech sectors.
• Exceptional writing, editing, and proofreading skills with attention to detail and audience awareness.
• Ability to distil complex technical concepts into engaging and digestible content.
• Experience managing editorial calendars, press release workflows, and campaign reporting.
• Strong interpersonal skills, with the confidence to liaise at all levels within a global organization.
• Highly organized, deadline-driven, and able to manage multiple priorities simultaneously.
• Understanding of integrated marketing campaigns

Important to know

Due to the nature of our work many our roles require an Australian nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet eligibility.

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.