Sr. Specialist, Technical Platform

Infillion's Catalina CR team is seeking a client-facing Sr. Technical Platform Specialist well versed in advertising technology to join our Infillion Support team. One of our platforms - MediaMath - handles billions of transactions every hour. Our team is involved in the execution and implementation of some of the most exciting and innovative ad tech products Infillion has to offer. You will become a subject matter expert on MediaMath and other Infillion platforms, reinforcing best practices for campaign setup, troubleshooting, and issue resolution. As the first line of defense for MediaMath products and campaign issues that users may be experiencing, you will actively manage and resolve Level 1 support cases. You will: Troubleshoot and answer all technical questions in a timely matter while providing first class customer service Support the ongoing set up and maintenance of online advertising campaigns: Creative trafficking & QA 3rd party tag and tracker set up & QA Data On-boarding Product Activation & Assistance Campaign set up QA & troubleshooting 1st and 3rd party Reporting discrepancies & troubleshooting Work with product owners to improve and provide quick resolution to product issues Provide clients and users with proper documentation Help identify and develop solutions to automate and improve the client’s experience and the teams process You are: Personable, solutions-oriented, creative thinker Comfortable working in a fast-paced, fun, and entrepreneurial environment Able to communicate well across written and verbal All about attention to detail and organization Able to deliver against multiple tasks with excellence You have: Bachelor’s Degree (required) 2+ years of experience with online advertising technology and systems (MediaMath, DoubleClick, Xandr, Flashtalking, etc.) 2+ years of experience managing complexities such as online advertising campaign setup, QA, troubleshooting, and resolution Strong troubleshooting and problem-solving skills Understanding of RTB, DSP, DMP, and dynamic ad serving fundamentals Experience with HTML, Python, SQL Scripting, jQuery, CSSS and/or JavaScript Experience with web debugging tools (Firebug, HTTPFox, Fiddler, Chrome Dev Console, etc.) Microsoft Excel skills, including pivot tables, VLOOKUP, SUMIF/COUNTIF, and other data analysis formulas Why We Work at Infillion's Catalina CR Infillion is the first fully composable advertising platform, built to solve the complexity, waste, and opacity in the digital media ecosystem of the last decade. Born from $750 million in investment and the unification of category-defining technologies, including MediaMath, TrueX, Gimbal, Drawbridge, and most recently Catalina, Infillion engineered these powerful assets into scores of interchangeable, agentic-ready components. Infillion provides a single, flexible infrastructure that serves media buyers, tech decision-makers, and media sellers. Whether through white-glove managed service, self-service control, or API-based automation, Infillion empowers businesses to execute their unique strategies with zero-hop efficiency, proprietary AI logic, and radical data transparency. Headquartered in New York City, with employees located globally in the US, Costa Rica, and Europe, Infillion powers the world's leading brands, agencies, and platforms. Learn more at . Infillion is committed to equal employment opportunity. It is a fundamental principle at Infillion not to discriminate against employees or applicants for employment on any legally-recognized basis including, but not limited to: age, race, creed, color, religion, national origin, sexual orientation, sex, disability, predisposing genetic characteristics, genetic information, military or veteran status, marital status, gender identity/transgender status, pregnancy, childbirth or related medical condition, and other protected characteristic as established by lawran status, marital status, gender identity/transgender status, pregnancy, childbirth or related medical condition, and other protected characteristic as established by law.