This job has closed.

Part and Sum · 3 days ago

Sr. Client Engagement Lead (Integrated Growth, Media & Measurement)

United States

Full-time

Remote

Mid, Senior Level

$80K/yr - $120K/yr

6+ years exp

Part and Sum is a Strategic Growth Company that helps businesses make better investment decisions. The Sr. Client Engagement Lead will be responsible for managing complex client relationships, ensuring that strategy, media, analytics, and creative inputs are effectively integrated and delivered to drive client success.

AdvertisingAffiliate MarketingConsultingSEOSocial Media

Growth Opportunities

Responsibilities

Own the engagement end-to-end, overseeing how work across strategy, media, analytics, and creative comes together

Oversee scope delivery, managing milestones, deliverables, dependencies, and risks to ensure priorities are met, and work lands when needed

Keep priorities clear and make calls when disciplines disagree, or information is incomplete

Push for focus when scope, budget, or timelines are tight

Spot issues early (tracking gaps, unclear KPIs, creative fatigue, resourcing or dependency risks) and address them before they impact results

Serve as the primary day-to-day client lead and run meetings with confidence and clarity

Translate strategic and analytical inputs into clear, actionable recommendations. You bring a client perspective and an ability to translate recommendations from specialists for the client

Help clients understand tradeoffs around budget, channels, sequencing, and timing

Manage expectations around scope, timelines, and client inputs so teams can deliver effectively

Navigate change—new goals, budget shifts, new stakeholders—without losing momentum or trust

Partner with analytics and data specialists to align on KPIs and measurement approaches

Ensure reporting answers the questions clients need to make decisions—not just what happened

Help clients understand efficiency, diminishing returns, and when to reallocate spend

Ensure performance updates and QBRs tell a clear, consistent story tied to business outcomes

Review media and creative outputs before they go to clients to ensure alignment with strategy, channel requirements, and measurement plans

Ensure performance learnings are reflected in briefs and feedback loops by the appropriate strategy and creative leads

Step in to support creative or production workflows when needed to unblock delivery or support production management

Partner with Ops to keep priorities, timelines, and decisions organized and documented

Flag scope creep, delivery risk, and resourcing issues early and reset expectations as needed

Balance quality, speed, and cost with good judgment and clear communication

Identify opportunities for follow-on work and support quarterly business reviews and growth planning

Act as a senior representative of Part and Sum, protecting both client outcomes and firm health

Qualification

Client EngagementPerformance MarketingData AnalysisPaid MediaProgrammatic AdvertisingMedia Stack FamiliarityCommunication SkillsTeam CollaborationProblem Solving

Required

6-10 years of experience in Account Management or Client Services within performance marketing, analytics, or integrated agencies

Proven track record managing client engagements centered on Paid Media, inclusive of Programmatic (StackAdapt), and Direct Response

Strong working familiarity with the media stack (Meta, Google, GA4). You don't execute buys, but you understand specs and operations well enough to manage Ad Ops delivery and explain technical nuances to clients

Skilled at connecting marketing metrics to business outcomes to demonstrate value and drive account retention

Confident in judgment and execution; capable of managing complex, multi-workstream accounts without defaulting to micromanagement or needing daily direction

You bridge the gap between 'data speak' and 'creative speak,' ensuring media plans align with creative concepts and clearly communicating that synergy to stakeholders

Preferred

Experience working closely with analytics, data science, or marketing science teams

Familiarity with experimentation, incrementality testing, or advanced measurement approaches

Experience across both performance and brand work, and explaining tradeoffs between them

Benefits

Discretionary Profit Sharing (Variable Compensation): Team members may be eligible for discretionary profit sharing based on company performance, role seniority, and individual contribution. Historically, discretionary profit sharing has ranged from 5–10% for these levels, though payouts vary.

Health Benefits: We offer a variety of health insurance options available on the first day after the first month of employment.

401k: Set your future self up for financial success! Employees can start contributing to their 401k after 30 days of employment. We offer up to a 3% match.

Flexible WFH Policy: For this role, we are looking for candidates who can set their working hours to either CT or ET time zone. However, we are generally flexible about where the team works. Our team members near the NY and LA offices are expected to work from the office at least 1 day a week.

Responsible PTO Policy: In addition to US holidays, we are flexible and collaborative about planning and taking time off.

Family Leave: We offer 3 months of paid family leave for birthing parents and 2 months for non-birthing parents. All parents can choose to take additional time off.

Home Office Stipend: We provide a laptop and monitor plus an additional $500 to set up your home office.

Professional Development: All full-time team members receive an annual professional development budget that increases with their tenure.

Retreats: Join us for company get-togethers each year.

Sabbaticals: Take a 6-week break, fully paid, after every 5 years.