MarTech & AdTech Lead: Audience Strategy

CoStar Group, Inc.; Sydney; On-site; AUD 140,000 - 180,000; Full time

Job summary

Domain, part of CoStar Group, is seeking a MarTech Manager to optimise Domain’s marketing technology and adtech ecosystem. You will lead audience strategy, enable activation across teams and ensure data governance and measurement practices are robust.

The role focuses on improving first‑party data collection, activation, and measurement to drive personalised customer engagement and campaign performance across channels.

Qualifications

• 5-8 years' experience in ad technology, digital campaign operations, audience strategy, marketing technology, data activation or a related digital platforms role.
• Hands-on experience with at least one core platform area, such as Google Ad Manager, Google Tag Manager, advertising platforms, and Tealium.
• Strong understanding of digital advertising operations, audience segmentation, first-party data activation, campaign tracking and measurement principles.
• Strong attention to detail with the ability to test, validate and troubleshoot audience setup, tracking, tags, campaign delivery and platform integrations.
• Comfortable working with audience data, reporting outputs and platform diagnostics to identify opportunities, validate setup and explain performance outcomes.
• Bachelor's degree in Marketing, Digital Media, Business, Data, Technology or a related field, or equivalent practical experience.

Responsibilities

• Lead audience strategy and enablement across Domain’s marketing and advertising technology ecosystem, helping teams create, activate and measure customer audiences more effectively.
• Drive the activation and optimisation of customer audiences across the tech ecosystem, leveraging first‑party data and CDPs to improve advertising performance.
• Lead operational management and optimisation of Domain’s advertising technology ecosystem, overseeing tracking, measurement and integrations.

Skills

Ad technology

Campaign operations

Audience strategy

Data reporting

Platform integrations

Education

Bachelor's degree or equivalent

Tools

Google Ad Manager

Google Tag Manager

Advertising platforms

Tealium

Job description

Domain, part of CoStar Group, is seeking a MarTech Manager to optimise Domain’s marketing technology and adtech ecosystem. You will lead audience strategy, enable activation across teams and ensure data governance and measurement practices are robust.

The role focuses on improving first‑party data collection, activation, and measurement to drive personalised customer engagement and campaign performance across channels.