Lead, Agency Development

· Remote

Location

Remote

Type

Full Time

Job Description

MagniteJobs
Lead Agency Development

Lead Agency Development

Posted Yesterday
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New York NY USA
Hybrid
Senior level
AdTech • Big Data • Digital Media • Software
Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform.
The Role
The Agency Development Lead will manage Magnite's strategic partnership with a major agency holding company leading a team to drive revenue and engagement.
Summary Generated by Built In

Lead Agency Development 

New York City New York 

Hybrid Schedule (M/F remote T/W/TH in-office)

At Magnite we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read watch and buy and we’re looking for people to help us tackle that responsibility with creativity and focus. Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming online video display and audio. Our tech fuels billions of transactions per day!

About this team:

The Agency Development team is responsible for building and growing strategic partnerships with the world’s largest global agency holding companies and their agencies. We operate at the intersection of sales strategy and executive partnership — driving long-term commercial growth joint innovation and preferred access to Magnite’s premium supply and technology.

As an Agency Development Lead you will own Magnite’s relationship with one of our most strategic global holding company partners in the U.S. market. You will lead a team responsible for account growth and activation while personally engaging senior client leadership across investment strategy and centers of excellence to shape partnership strategy unlock new opportunities and drive scaled revenue across all formats and channels.

In this role you will:
  • Own and lead Magnite’s end-to-end strategic relationship with a major global agency holding company in the U.S. including executive engagement partnership strategy and commercial outcomes

  • Lead coach and develop a high-performing Agency Development and Sales team responsible for agency-level activation account growth and pipeline development

  • Build trusted relationships with senior client stakeholders (C-suite investment leadership trading programmatic and strategy leaders) to position Magnite as a preferred supply and technology partner

  • Define and execute partnership endeavors that drive revenue growth supply adoption SPO alignment and product integration across all Magnite formats (CTV video display audio)

  • Identify structure and scale strategic deals partnerships and initiatives across agencies and centers of excellence

  • Partner cross-functionally with Sales Product Marketing and Operations to deliver solutions aligned to client priorities and market opportunities

  • Represent Magnite externally as a senior industry voice and thought leader within the agency ecosystem

  • Drive accurate forecasting partnership performance tracking and executive reporting across the holding company portfolio

  • Champion client feedback internally to influence product roadmap commercial strategy and go-to-market priorities 

We’re looking for someone with:
  • 12+ years of experience in digital advertising adtech or agency leadership roles with deep expertise across programmatic CTV display video and audio ecosystems

  • Significant experience owning or leading relationships with major agency holding companies or large agency networks at a senior level

  • Proven track record managing and developing teams responsible for complex enterprise or agency partnerships

  • Demonstrated success driving scaled revenue growth strategic partnerships and long-term commercial agreements with large clients

  • Executive presence and ability to influence senior stakeholders across investment strategy and product organizations

  • Strong understanding of programmatic buying supply-path optimization private marketplace/CTV deals and agency operating models

  • Strategic thinker with the ability to translate market trends and client needs into actionable partnership plans

  • Excellent communication negotiation and organizational leadership skills

  • Bachelor’s degree or equivalent experience

Perks and Benefits

  • Comprehensive Healthcare Coverage from Day One

  • Generous Time Off  

  • Holiday Breaks and Quarterly Wellness Days

  • Equity and Employee Stock Purchase Plan

  • Family-Focused Benefits and Parental Leave 

  • 401k Retirement Savings Plan with Employer Match

  • Disability and Life Insurance

  • Cell Phone Subsidy

  • Fitness and Wellness Reimbursement

Company Culture: 

We believe collaboration is essential to success. Magnite’s hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday Wednesday and Thursday). Our offices provide catered lunches beverages snacks training and development and office events to support your work week.  We also understand you have appointments families hobbies and other commitments. Magnite strives to maintain a healthy work/life integration for all employees so you can bring your best every day - both at work and at home.

  • Community Service and Volunteer Events

  • Company-Matched Charitable Contributions

  • Wellness Coach and Mental Health Support

  • Career Development Initiatives and a Career Growth Framework

  • Culture and Inclusion Programs

  • Bonusly Peer-to-Peer Recognition Program

About Us

The world's leading agencies and brands trust our platform to access brand-safe high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City sunny Los Angeles mile-high Denver historic London and down under in Sydney Magnite has offices across North America EMEA LATAM and APAC.

Magnite is an Equal Opportunity Employer and does not discriminate against applicants due to race color religion national origin age sex marital status ancestry physical or mental disability veteran status gender identity sexual orientation or any other federal state or local protected class.

Our Commitment: We aim to incorporate a wide range of voices into our Magnite culture cultivating an environment where employees feel welcomed cared for and encouraged to freely share ideas. We are committed to employee growth collaboration inclusion and innovation.  We invest in Magnite’s local communities. We seek talent from all backgrounds to champion corporate values of seeing the big picture and being catalysts of change.

Want to learn more about us?  

Check out our blog for Magnite announcements and Ad Tech industry news! 

Recruiting Agency Notice

Magnite does not accept agency resumes and is not responsible for any fees related to unsolicited resumes.

Skills Required

  • 12+ years of experience in digital advertising adtech or agency leadership roles
  • Significant experience owning client relationships with major agency holding companies
  • Proven track record managing teams responsible for enterprise or agency partnerships
  • Demonstrated success driving revenue growth and strategic partnerships with large clients
  • Strong understanding of programmatic buying and agency operating models
  • Bachelor's degree or equivalent experience

What the Team is Saying

Adam
Marty
Dani
Emily

Magnite Compensation & Benefits Highlights

  • Healthcare StrengthComprehensive healthcare begins on day one and includes medical dental and vision from major carriers plus mental-health/EAP support and domestic partner coverage.
  • Leave & Time Off BreadthGenerous or “unlimited” PTO is paired with quarterly wellness days and a year-end office closure and summer Fridays are also referenced.
  • Equity Value & AccessibilityNew-hire equity grants are standard and the ESPP offers a discounted purchase with two enrollment periods each year including an 85% purchase feature cited in filings.

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The Company
HQ: Los Angeles CA
950 Employees
Year Founded: 2007

What We Do

Together we power advertising that enables billions of people to stay informed entertained and connected. We introduce them to new ideas products and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite comes in. Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV online video display and audio. Our tech fuels billions of transactions per day!

Why Work With Us

At Magnite our work impacts what millions of people read watch and buy. We strive to cultivate an environment of continuous growth and collaboration. We’re seeking out individuals who share an alternative perspective challenge the status quo and aren’t afraid to raise the bar!

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Magnite Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Magnite’s hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday Wednesday and Thursday) in all offices. Our offices provide daily lunches beverages snacks training development office events.

Typical time on-site: 3 days a week
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Date Posted

05/21/2026

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