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

Remote · USA Full-time New today

About arenaflex – Pioneering Transparency in Digital Advertising

Who we are

arenaflex 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, arenaflex 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 arenaflex’s retention metrics, revenue growth, and long‑term market positioning.

Key Responsibilities

  • Renewal Ownership: Take full responsibility for the renewal lifecycle of high‑revenue customers, from early planning through contract execution.
  • Strategic Negotiations: Lead customer‑facing discussions on pricing, contract terms, and multi‑year agreements, ensuring mutually beneficial outcomes.
  • Cross‑Functional Partnership: Work hand‑in‑hand with CSMs to determine optimal timing for renewal or expansion conversations based on contract cadence and customer objectives.
  • Executive Stakeholder Management: Engage senior stakeholders—including procurement, finance, and marketing leaders—to navigate complex approval processes and close deals.
  • Expansion Identification: Proactively uncover upsell and cross‑sell opportunities by aligning arenaflex’s product roadmap with evolving customer goals.
  • Revenue Target Achievement: Own and deliver against defined renewal and expansion revenue targets, contributing directly to the company’s financial objectives.
  • Accurate Forecasting: Partner with Revenue Operations to provide precise pipeline forecasts, ensuring alignment with corporate planning cycles.
  • Process Innovation: Design, document, and continuously improve internal playbooks for renewals, expansions, and overall commercial strategy.
  • Thought Leadership: Act as a senior voice within the Customer Success organization, influencing lifecycle strategy and championing best practices across the team.

Who You Are – Core Qualifications

  • 5–8+ years of experience in renewals, account management, or customer success within a B2B SaaS environment.
  • Demonstrated track record of owning revenue‑generating renewals and delivering measurable retention and growth outcomes for high‑value accounts.
  • Deep expertise in negotiating pricing structures, contract language, and multi‑year agreements.
  • Proven ability to work autonomously, set priorities, and drive results without extensive oversight.
  • Exceptional relationship‑building skills with a talent for quickly establishing trust with senior stakeholders.
  • Consultative communication style, with a solution‑oriented mindset that adds strategic value to customers.
  • Process‑driven approach, eager to design and refine renewal and upsell workflows.
  • Thrives in fast‑paced, high‑accountability environments typical of growth‑stage SaaS companies.
  • Hands‑on experience with Salesforce or comparable CRM platforms for pipeline management and forecasting.

Preferred Qualifications & Additional Skills

  • Experience in digital advertising, ad‑tech, or media measurement industries.
  • Advanced knowledge of data analytics, measurement methodologies, and brand safety solutions.
  • Familiarity with contract legal language and the ability to collaborate with legal teams.
  • Strong analytical acumen—comfortable interpreting usage data, churn indicators, and revenue trends.
  • Track record of mentoring junior team members or leading cross‑functional project teams.
  • Certification in sales methodologies (e.g., MEDDPICC, Challenger Sale) or customer success frameworks (e.g., Gainsight, TSIA).

Skills & Competencies for Success

  • Strategic Thinking: Ability to see the big picture, align renewal tactics with long‑term business goals, and anticipate market shifts.
  • Negotiation Mastery: Skilled at crafting win‑win contracts that balance customer value with arenaflex profitability.
  • Data‑Driven Decision Making: Leverage CRM data, usage metrics, and financial models to inform renewal timing and expansion strategy.
  • Communication Excellence: Articulate complex concepts clearly to executives, finance teams, and technical audiences alike.
  • Collaboration: Partner effectively with CSMs, Product, Legal, Finance, and Revenue Operations to deliver seamless customer experiences.
  • Adaptability: Navigate ambiguity, pivot quickly when priorities shift, and maintain composure under pressure.
  • Customer‑Centric Mindset: Champion the customer’s success, ensuring that every renewal adds genuine business value.

Career Growth & Learning Opportunities

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

  • Executive mentorship from senior leadership focused on strategic account management.
  • Continuous learning programs, including industry certifications, advanced negotiation workshops, and data‑analytics bootcamps.
  • Opportunities to transition into broader revenue leadership roles such as Director of Customer Success, Head of Account Management, or Product Strategy.
  • Cross‑functional exposure to product development, go‑to‑market strategy, and corporate finance, broadening your business acumen.
  • Participation in high‑visibility customer advisory boards, positioning you as a thought leader in the ad‑tech ecosystem.

Work Environment & Culture at arenaflex

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

  • Transparency: Open communication across all levels, ensuring everyone understands the “why” behind decisions.
  • Innovation: Encouragement to experiment, iterate, and bring bold ideas to market.
  • Customer Obsession: Every team member is empowered to put the customer at the center of every action.
  • Growth Mindset: Continuous improvement is expected, and failures are treated as learning opportunities.
  • Diversity & Inclusion: We champion diverse perspectives and strive to create an environment where every voice is heard.

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

Compensation, Perks & Benefits

arenaflex 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:

  • A base salary range that aligns with industry standards for senior SaaS renewal leaders.
  • Performance‑based bonus and commission structures tied directly to renewal and expansion targets.
  • Equity participation, giving you a stake in arenaflex’s long‑term success.
  • Comprehensive health, dental, and vision coverage for you and your dependents.
  • Generous paid time off, parental leave, and flexible holiday policies.
  • Professional development budget, tuition reimbursement, and access to industry conferences.
  • Wellness programs, including mental‑health resources, fitness stipends, and virtual wellness events.
  • Modern office spaces equipped with collaborative zones, quiet rooms, and state‑of‑the‑art technology.

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 arenaflex’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 arenaflex, 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 arenaflex could start with a single click.

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