Position: Sr. Strategist, Out-of-Home BuyingCompany: Mediassociates, 75 Glen Road, Sandy Hook, CT 06482Overview:Mediassociates is a leading independent media planning, buying and analytics agency located in the greater NYC Metro area. It leverages an approach called Precision Branding to guide brands in planning communication campaigns with a focus on predicting, measuring, and optimizing business outcomes. With the advertising landscape shifting almost daily, Mediassociates leads clients through the ongoing revolution in media and technology. Mediassociates has been named an Adweek Fastest Growing Agency and an AdAge Best Place to Work.Out-of-Home BuyingNegotiate and execute OOH placements across roadside bulletins, transit, street-level, airport, place-based/venue, aerial, and high-impact digital formats (urban panels, liveboards, spectaculars), including rate, added value, and contract termsManage a mix of annual permanent programs, flighted buys, and rotary programs across multiple markets, states, and international placementsConduct tactical research and vendor/market evaluation using audience measurement tools and location data to build data-driven recommendationsOwn proof-of-performance (POP) tracking throughout campaigns, including rotary location changes and creative swaps, and deliver post-campaign analysisPlan, negotiate, and implement programmatic OOH buys, conducting in-flight optimizationEvaluate sponsorship packages and new partnership opportunities, including pre- and post-campaign/event performance reviews as well as renewal recommendationsRespond to ad hoc RFPs and incremental budget requests with quick-turn plans and recommendationsCampaign & Team OperationsServe as primary vendor contact for OOH partners; cultivate rep relationships and surface rate and value-add opportunitiesCraft and present OOH media recommendations to internal planning/strategy teams and clientsManage creative specs, production timelines, and trafficking deadlines with vendors and creative partnersMaintain media calendars, budget tracking, billing, and financial reconciliation, including discrepancy resolution and audit-ready documentationSupport measurement workflows, including attention-based reporting dashboards and OOH inputs to multi-touch attribution (MTA) and media mix modeling (MMM)Provide QA oversight and mentorship to junior buyers, as applicableRequired Skills & Experience:5+ years of media buying experience with hands-on OOH and dOOH buying requiredClear written and verbal communication; comfortable presenting to internal teams and clientsDemonstrated end-to-end ownership: tactical research, RFP'ing vendor reps, building the recommendation, negotiating, activating, and reporting out performanceExperience negotiating vendor contracts and managing buys from authorization through reconciliationStrong organizational skills; able to manage many concurrent campaigns, vendors, and deadlines across a multi-client portfolioProficiency with OOH audience measurement and location data tools (Geopath or equivalent) Programmatic OOH buying experience across DSP or vendor-side platformsInternational OOH buying experience a plusFamiliarity with MTA and/or MMM measurement approaches a plus Our office is located in Sandy Hook, Connecticut. We are open to candidates living/working from other US locations however candidates must be available to work 8:30am-5:30pm or 9am-6pm eastern time. Mediassociates is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, citizenship, disability, protected veteran status or other characteristics protected by applicable federal, state or local law.