Media Supervisor

Job Description

Critical Mass is seeking a Media Supervisor to join their team. The ideal candidate will be a hands-on digital media expert with a passion for video investment and campaign execution. They will thrive in the details, developing, implementing, and optimizing high-performing media plans across a variety of video channels. The Media Supervisor will bring deep knowledge of the evolving video landscape, stewarding media buys and ensuring campaigns deliver against client goals. They will also be a supportive team leader, guiding associates while managing up to senior leadership, and playing a critical role in fostering a collaborative and high-performing media team. This role requires working from the office a minimum of 3 days a week.Role involves:

• Overseeing the execution and management of digital and video media campaigns across platforms including CTV, programmatic, and video.
• Collaborating with internal planning, strategy, and insights teams to translate client goals into actionable media investment plans.
• Managing campaign implementation end-to-end, from buy development and trafficking through to reporting and optimization.
• Analyzing campaign performance and provide clear, actionable insights and optimization recommendations.
• Developing and maintaining strong relationships with media partners, pushing for innovation and added value.
• Supervising and mentoring Associates and Senior Associates, ensuring team output is accurate, timely, and strategically sound.
• Staying current on media trends, particularly within the video landscape, and proactively identify new opportunities for clients.
• Supporting in the preparation of client deliverables including reporting decks, media recommendations, and POVs.

Requirements:

• 4–6 years of experience in digital media planning and investment, with a strong emphasis on video platforms.
• Hands-on experience in campaign execution across CTV, digital video, and programmatic.
• Strong knowledge of media buying processes and performance metrics.
• Previous experience managing or mentoring junior team members.
• Ability to analyze performance data and develop clear, compelling narratives from insights.
• Excellent organizational, communication, and time management skills.

What Critical Mass offers:

• Global maternity and parental leave
• Competitive benefits packages
• Vacation, compassionate leave, wellness days, and flex days
• Access to online services for families and new parents
• Early Dismissal Friday’s (off at 3:00 PM local time every Friday)
• Diversity and Inclusion Board with 13 affinity groups
• Internal learning and development programs
• Enterprise-wide employee discounts