Specialist, SEM

Marketbridge•Boston, MA

1d•$65,000 - $80,000•Remote

About The Position

The Search Engine Marketing (SEM) Specialist executes and optimizes paid search campaigns to drive demand, leads, and revenue. This role focuses on hands-on campaign management, performance analysis, and continuous optimization across platforms like Google Ads and Microsoft Ads. Marketbridge partners with leading B2B brands to create unified Go-to-Market® systems that connect strategy, AI, creativity, activation and measurement. With a team of 350+ across North America and Europe, Marketbridge supports clients worldwide, ranging from Fortune 1000 enterprises to venture-backed, high-growth companies across technology, financial services, healthcare, industrial and consumer sectors. You’ll join a collaborative team focused on solving real problems for complex clients. From day one, you’ll gain hands-on experience, work closely with supportive leaders, and continue developing through meaningful client work and ongoing learning. We value accountability, curiosity, and ownership, and we trust people to take initiative and follow through. Here, you’ll do meaningful work, alongside smart people, with room to grow as the business grows.

Requirements

2+ years of paid search / SEM experience
Hands-on experience with Google Ads and Microsoft Ads
Strong analytical skills and proficiency in Excel or Google Sheets
Familiarity with GA4 or similar analytics platforms
Understanding of conversion tracking and attribution basics
Detail-oriented with strong problem-solving skills
Experience in a B2B or agency environment

Nice To Haves

Google Ads certification
Exposure to landing page optimization and CRO principles

Responsibilities

Build, launch, and manage paid search campaigns across Google Ads and Microsoft Ads
Conduct keyword research, audience segmentation, and competitive analysis
Write, test, and optimize ad copy to improve CTR and conversion rates
Manage bids, budgets, and pacing to hit performance targets
Monitor and optimize campaigns for KPIs such as CPA, ROAS, and pipeline contribution
Execute A/B tests across ads, landing pages, and targeting strategies
Analyze campaign data and provide actionable insights and reporting
Collaborate with analytics, creative, and strategy teams to improve performance
Ensure proper tracking and tagging using tools like GA4 and Google Tag Manager