Senior Manager, Paid Social (B2B) (Freelance)

Marketbridge•Boston, MA

13d•Remote

About The Position

As a member of Marketbridge’s Media Freelance Team, the Senior Manager, Paid Social leads paid social strategy and execution across a portfolio of B2B client accounts. This freelance role is engagement-based and provides senior-level expertise as an extension of the Social team. The position oversees complex programs and multiple accounts, guides campaign strategy and optimization, and helps clients understand how paid social supports demand generation, account-based marketing (ABM), pipeline, and revenue goals. The role combines strategic leadership with hands-on platform work, including campaign setup, quality assurance, troubleshooting, and optimization as needed. It also provides guidance to internal teams, contributes to business development and organic growth, and shapes media recommendations for current and prospective clients. The position works remotely and requires candidates to be eligible to work in Canada or the US without visa sponsorship.

Requirements

At least 6 years of paid social experience, including agency and/or freelance work, with strong B2B paid social experience.
Proven experience managing multiple client accounts or complex paid social programs simultaneously.
Deep hands-on experience with LinkedIn Ads and Meta.
Strong understanding of ABM and B2B demand generation, including target account activation, buying-committee audiences, retargeting, and longer sales cycles.
Experience building paid social strategy across audience planning, investment, testing, optimization, and measurement, beyond campaign execution.
Strong analytical and measurement skills, including connecting campaign performance to lead quality, pipeline, account engagement, and business outcomes.
Confident client-facing experience, including presenting strategy and performance recommendations to senior stakeholders.
Experience reviewing campaign strategy and execution and guiding junior team members.
Comfort using AI and emerging tools to improve research, analysis, workflow, and campaign strategy.
Ability to work independently and remotely, with strong organization, reliable communication, and sound judgment across competing priorities.
Portfolio, case studies, or client references available on request.
Must be eligible to work in Canada or the US without visa sponsorship.

Nice To Haves

Experience with Reddit or other emerging paid social platforms.

Responsibilities

Lead paid social strategy for assigned B2B client accounts, translating business goals into audience, channel, investment, testing, and measurement plans.
Join and lead client discussions about performance, optimization, investment changes, and paid social strategy as needed.
Connect paid social performance to lead quality, account engagement, pipeline, and revenue.
Oversee paid social programs across LinkedIn, Meta, Reddit, and emerging platforms, including ABM, retargeting, and multi-touch campaigns.
Guide budget planning, pacing, optimization, testing, and investment decisions for assigned accounts.
Perform hands-on campaign setup, QA, troubleshooting, and optimization when needed.
Partner with Analytics and Creative to improve measurement, tracking, messaging, and testing based on performance insights.
Provide strategic guidance, campaign reviews, and QA support to in-house Specialists and Managers as needed.
Coordinate with Demand Strategy, SEM, Advanced Media, Analytics, Creative, Client Success, and Project Management to integrate paid social into broader media strategy.
Follow and contribute to team processes, documentation, and QA standards, and recommend improvements.
Recommend platforms, audience opportunities, AI-enabled tools, and testing approaches to improve client performance.
Support new business pitches with paid social strategy, forecasts, and investment recommendations on a project basis.
Identify opportunities to expand paid social work within existing client relationships.