CareerMoonshot

Senior Planner, Digital (Temp)

Horizonmedia · Los Angeles, CA

📍 Los Angeles, Californiavia workdayFirst listed here 2026-09-21
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Job Description Who We Are   Horizon Media , founded in 1989 by Bill Koenigsberg, is recognized as one of the most innovative marketing and advertising firms. We are headquartered in New York City, with offices in Los Angeles and Toronto. A leader in driving business solutions for marketers, Horizon is known for its highly personal approach to client service .    Renowned for its incredible culture, Horizon is consistently named to all the prestigious annual Best Places to Work lists published by Fortune,   AdAge , Crain’s New York Business and Los Angeles Business Journal. Together we are building a place of belonging.   At Horizon, we understand the value that different perspectives can bring to our clients and culture, so we strive for an environment where our employees feel welcomed,   safe   and empowered. We value YOU and believe that your authentic voice and unique perspective   allows   us to create a more rewarding culture, and experience, together.    Our simple recipe for success? We hire talented people (thinkers, doers, dreamers, makers), challenge them and give them every opportunity to grow.   W h at   You’ll   Do   Media Negotiating & Buying – 25%   Oversee and   assist   in RFP creation and review of partners/site responses, compiles proposal analysis and drive partner negotiations    Ensure accuracy of insertion orders within internal systems tool to reserve advertising space and   is responsible for   accuracy of plan details and confirmation of delivery ensuring proper protocol   Collaborate   with key partners during planning process, including Partners, Creative   Agencies   and biddable activation teams ( e.g.   Paid Search, Paid Social, Programmatic)    Work alongside other Horizon   Media   teams (Business Solutions, Investment, etc.) towards 360 partnerships, incorporating relevant extensions   Reporting & Analysis –25%   Monitor and report on media campaigns on an ongoing basis, providing an active voice communicating optimization opportunities and challenges to internal teams, media   partners   and the client   Parse through partner ad verification and ad server data to provide critical thinking and analysis, as well as draw conclusions and discover actionable implications   Responsible for providing data for dashboards/Excel trackers, as needed by account, ensuring accuracy and validity of data shown   Effectively communicate optimization strategies,   challenges   and opportunities across display, mobile,   social   and video   Relationship Management – 15%   Develop and   maintain   strong, mutually beneficial relationships with Horizon Media departments to   facilitate   problem solving,   i.e.   Business Solutions, Traffic, Operations, as well as clients and vendors   Have foresight and understanding of projects to   maintain   and adjust timing of deliverables for team at large, communicating changes to managers and leadership   Apply knowledge of current/ previous   clients’ specific business and industry to enhance and further relationships   Begin serving as a resource and trusted partner for clients   Team Management   & Delegation – 15%    Contribute to other junior team member(s) development (train Assistant Planners and Planners, onboard new Senior Planners )   Schedule check ins with junior team members,   identifying   goals and opportunities for career development, contribute to performance management    Guide team in setting goals, project   tasks   and timelines   Utilize past experiences to develop Planner’s mentorship skills and abilities    Provide education on best practices, media principles, and industry at large    Participate in interview process for Assistant/Planner roles   Digital Media Strategy – 15%    Collaborate with supervisor on strategy, guiding assistant and planner in plan development    Employ Horizon   Media’s   suite of planning,   evaluation   and buying tools for application/analysis into competitive landscape, target digital consumption support, plan   development   and reporting   Ensure   digital strategy fits into overall brand communication goals   Participate in team brainstorms to kick off plan and consideration set development    Monitor   trends, tools,   opportunities   and applications within digital environments, and appropriately apply that knowledge   to campaign strategy and client goals   Guide and   participate   in creation and presentation of media specific documents such as media plans,   objectives   and strategies decks, and other related functions   Campaign Management & Execution – 5%   Oversee trafficking and site tagging, follow through to ensure sites are enabled, and functioning properly   Ensure accuracy of specs documents and that all materials are received from creative agency   Delegate and provide direction on   campaign post launch information ( i.e.   screenshots,   links   and placement information) to   demonstrate   proof of placement for clients   Work alongside assistant media planner and media planner on mid-campaign reconciliation, billing, pacing, campaign   validation   and brand safety   Who You Are     Interested in the digital landscape and a desire to innovate and keep up with trends   Motivated and eager to learn   A strong writer and presenter   A left and right brain thinker    A collaborative, team-oriented worker with strong time management and organization skills   A problem solver with foresight and the ability to develop creative solutions   Detail oriented with commitment to follow through   Nimble and flexible to succeed in a fast-paced environment   A strong team   player, willing to roll up   their   sleeves   Excited to mentor and   teach   team members   An advocate for   and supporter of diversity,   equity   and inclusion   Preferred Skills & Experience   2 + years   previous   digital media experience   Kn

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