Associate Marketing Manager, Advertising and Social Media

Do you want to be part of a dynamic, high-performing marketing team where creativity meets analytical rigor? Do you thrive at the intersection of paid media ownership and data-driven optimization? If so, we want to hear from you.

As an Associate Marketing Manager, Advertising and Social Media, you will serve as the primary owner of our paid advertising and organic LinkedIn programs for our Global Risk Solutions North America commercial insurance organization. You will play a key role in driving media strategy, managing end-to-end campaign execution, and optimizing performance across media channels. You will partner with Marketing Strategy, Creative Services, and cross-functional teams to develop and deliver advertising and social programs that drive brand awareness, consideration, and preference among insurance brokers and buyers and align to key business priorities.

If you are a strategic thinker, advertising-savvy executor, and data-informed optimizer who excels at moving between big-picture media strategy and precise, detail-oriented campaign delivery, this role is for you.

Responsibilities:

Advertising:

• Own the development and execution of annual media plans, serving as the primary point of contact with our media agency to finalize and implement plans — including publisher selection, budget allocation, tactical mix, production schedules, and digital measurement.
• Bring strong advertising expertise and market awareness to continuously evaluate and evolve media strategy, ensuring Liberty Mutual remains competitive and best-in-class across paid channels.
• Monitor competitive intelligence and industry trends across paid digital and media channels, proactively identifying opportunities to differentiate and improve performance.
• Champion A/B testing and optimization strategies across paid campaigns, applying learnings to improve targeting, creative performance, and spend efficiency over time.
• Collaborate with the Creative Services team and Marketing segment leads to develop compelling ad assets that align with business priorities, brand guidelines, and channel best practices, providing media channel expertise to inform creative strategy.
• Partner with Marketing Strategy to proactively identify campaign opportunities, ensuring sufficient time is built in for campaign development, reviews, and approvals.
• Maintain and share a forward-looking campaign plan organized by month and by audience to keep cross-functional partners aligned and informed.
• Lead agency relationships with a strategic lens, managing budgets and performance expectations while challenging partners to deliver actionable insights, fresh thinking, and innovative approaches that continuously improve our advertising programs.

Social Media:

• Own organic social media execution for GRS U.S. LinkedIn profiles, including content publishing, cross-sharing strategy, editorial calendar management, and overall channel tone and presence.
• Manage the social media employee engagement program (currently Yext/Hearsay), including onboarding and training, communication, content management, and measurement to drive adoption and usage among external-facing employees.
• Partner with Marketing Strategy and Comms colleagues, Creative Services, and business stakeholders to develop content calendars that align with campaign priorities and business goals.
• Serve as the internal subject matter expert on LinkedIn best practices, platform updates, and emerging trends, acting as a consultant to other marketing and distribution teams.
• Monitor the broader social and digital landscape for emerging channel opportunities relevant to a commercial B2B audience, bringing forward recommendations as the business evolves.

Collaboration:

• Work closely with Marketing segment leads, Creative Services, Communications, PR, and business stakeholders to ensure advertising and social programs are integrated, on-brand, and aligned to business priorities.
• Serve as a collaborative partner across the marketing organization, sharing expertise in advertising and social to elevate the quality and consistency of programs across teams.
• Build and maintain strong agency and