Hearts ambition is to make a mark in our industry, and to leave behind entrenched ways of working. Hearts is about leveraging new technologies and smarter ways of working into new processes that deliver results. It is about a focus on performance and results, results for our clients and results for the Hearts & Science business and all the people that work within it. It is about winning and making a difference. Leaving your mark on the agency and the industry.
We substantially invest in our people and culture to nurture a unique, positive, energetic and collaborating working environment. We want everyone that chooses hearts to have a rewarding and enriching career, and to enable this we offer a comprehensive training programme. Hearts & Science supports a healthy work-life balance and a fun culture through its many initiatives: Flexible Working, Wellness Program, Employee Assistance Program, Summer Fridays, Parental Leave and Loyalty Leave to name but a few.
Flexible Working
Wellness Program
Employee Assistance Program
Summer Fridays
Parental Leave
Loyalty Leave
The Opportunity
As a
Media Investment Executive
, you will play a key role in activating and optimising media plans across digital and offline channels, ensuring every dollar invested delivers maximum value.
You will be responsible for campaign buying, trading, and performance management — translating strategy into effective investment decisions that drive measurable outcomes. Working across a diverse portfolio of clients, platforms, and channels,



you'll help deliver campaigns that are efficient, accountable, and performance-driven.
What You'll Do
Execute and manage media buys across multiple channels, ensuring budgets are deployed effectively
Monitor and optimise campaigns to improve delivery, efficiency, and return on investment
Analyse performance data to identify trends, insights, and opportunities for optimisation
Ensure accurate pacing, financial reconciliation, and delivery against investment KPIs
Deliver high-quality reporting with clear insights and actionable recommendations
Collaborate with senior team members and contribute to investment strategy discussions
Support and mentor junior team members while fostering a high-performance team environment
Continuously identify ways to improve investment outcomes through smarter trading approaches
What We're Looking For
You are commercially minded, detail-oriented, and driven by performance. You understand that solid media investment is about both precision and accountability, and you're motivated by delivering measurable results.
Experience or understanding of media buying, trading, and investment across channels
Strong analytical skills with the ability to interpret data and optimise performance
Confident working with budgets, pacing, and financial accuracy
Excellent organisation and time management skills in a fast-paced environment
Strong communication and collaboration skills
A proactive mindset with a desire to learn, improve, and grow within media investment
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📌 Media Implementation Executive (New South Wales)
🏢 Hearts & Science
📍 New South Wales