← All Careers
Posted Jun 3, 2026

Senior Client Partner – Customer Success Leadership for High‑Revenue SaaS Accounts (Strategic Renewals & Expansion)

About careerzynith – Pioneering Transparency in Digital Advertising

Who we are

careerzynith is a market‑leading software platform that delivers transparent, data‑driven insights into the quality and effectiveness of digital advertising. Our mission is to become the definitive source of measurement, analytics, and verification for the world’s largest brands, publishers, and ad platforms. By providing consistent, unbiased data, we empower advertisers to optimize spend, improve campaign performance, and protect brand safety across the entire digital ecosystem.

Founded in 2008, careerzynith has partnered with hundreds of Fortune 500 companies, helping them extract maximum value from their media investments. Our technology stack combines advanced AI, real‑time data processing, and a robust API ecosystem to deliver actionable intelligence at scale. As we continue to expand globally, we are looking for visionary leaders who can drive growth, deepen customer relationships, and champion the next generation of digital measurement solutions.

Why This Role Matters

The Senior Client Partner – Customer Success (Strategic Renewals & Expansion) is a pivotal, senior‑level individual contributor role that sits at the intersection of revenue generation and customer advocacy. You will own the end‑to‑end renewal process for our highest‑value accounts, collaborate closely with Customer Success Managers (CSMs), and lead strategic negotiations that secure multi‑year contracts and unlock expansion opportunities. Success in this role directly influences careerzynith’s retention metrics, revenue growth, and long‑term market positioning.

Key Responsibilities

Who You Are – Core Qualifications

Preferred Qualifications & Additional Skills

Skills & Competencies for Success

Career Growth & Learning Opportunities

At careerzynith, we invest heavily in the professional development of our people. As a Senior Client Partner, you will have access to:

Work Environment & Culture at careerzynith

careerzynith fosters a collaborative, inclusive, and high‑performance culture where ideas are celebrated and impact is measured. Our core values include:

Our flexible work model supports hybrid arrangements, remote collaboration tools, and a results‑oriented approach that values output over hours logged.

Compensation, Perks & Benefits

careerzynith offers a competitive total rewards package that reflects the seniority and impact of this role. While exact figures will be tailored to experience, location, and market benchmarks, candidates can expect:

How to Apply

If you are a strategic, results‑driven professional who thrives on building lasting customer relationships and driving revenue growth, we want to hear from you. Apply today to join careerzynith’s dynamic team and help shape the future of digital advertising measurement.

Apply to this Job

Closing Note

Research shows that many qualified candidates—especially women and underrepresented groups—often self‑select out of the applicant pool unless they meet every listed requirement. At careerzynith, we value potential, diverse perspectives, and the unique strengths each individual brings. If you feel you can excel in this role, even if you don’t tick every box, we encourage you to apply. Your future at careerzynith could start with a single click.