Senior Specialist, Performance Media

Glassroom is looking for a Senior Specialist, Performance Media with advanced Programmatic expertise and strong knowledge of SEM and Paid Social.

Glassroom emphasizes transparent advertiser-agency relationships, professional development of its experts, and continuous improvement. We seek to turn brilliant media strategies into inspiring business results.

We believe in the strength of the community: it is the curious, ambitious and autonomous humans who allow us to offer a unique service to our customers. We are proud to say that human intelligence and teamwork are what fuels our agency.

Glassroom is part of Humanise (https://humanise.world/), a collective of nine independent, yet complementary companies who share a belief: Consumers are people, first and foremost.

What We're Looking For

A Senior Performance Media Specialist passionate about digital marketing, with advanced expertise in Programmatic (DV360 or other DSPs), and a solid understanding of SEM (Google Ads, Search Ads 360) and Paid Social (Meta, LinkedIn, etc.).

You will play a key role in the strategic development of key accounts while supporting the team in optimizing multichannel campaigns.

Responsibilities

• Build advanced Programmatic strategies tailored to client business objectives (primarily using DV360 or other DSPs);
• Contribute to cross-channel performance strategies, incorporating SEM and Paid Social as needed;
• Collaborate closely with campaign managers to ensure flawless campaign execution;
• Indirectly oversee a team of media specialists and campaign managers;
• Ensure proper account setup: campaign structure, audiences, naming conventions, and tracking;
• Lead ongoing optimization efforts based on KPIs (ROAS, CPA, qualified traffic, lead generation, etc.);
• Produce clear, actionable insights to inform strategic decisions and client recommendations;
• Participate in client performance reviews and facilitate optimization workshops;
• Develop and automate client reporting (KPI tracking, objectives, revenue, and other key initiatives);
• Stay current on Programmatic, SEM, and Paid Social trends, tools, and best practices—and share learnings with the team.
  
  

Qualifications

• At least 4 years of experience in digital performance marketing, with advanced expertise in Programmatic;
• Mastery of DV360 or similar DSPs—certifications are a plus;
• Solid knowledge of SEM platforms like Google Ads and Search Ads 360;
• Experience with ad servers (e.g., Campaign Manager 360);
• Understanding of Paid Social (Meta Ads, LinkedIn Ads);
• Experience with large-scale eCommerce or lead generation accounts;
• Comfortable using analytics tools (GA4, Adobe Analytics);
• Strong Excel skills (pivot tables, VLOOKUPs, advanced formulas);
• Bilingual (French and English), both written and spoken;
• Basic understanding of DMPs is a bonus.
  
  

Benefits

Hybrid work option: 3 days in the office and 2 days remote

Vacations: 3 annual weeks + agency closure during the holidays, 5 personal days, plus one volunteer day, and all public holidays are doubled

Group insurance plan: life, prescription drugs, travel, dental expenses, paramedical services, and more (* 50% of the premium assumed by the agency)

Wellness program: $250 per year for reimbursement for sport equipment, sport memberships, WFH equipment, second screen…etc.

Public transport: discount (city bikes, metro, bus)

Join our team of experts. Welcome to Glassroom!