Client Onboarding Manager (Amazon Marketplace)

Job Description

Job Description

Own the First 90 Days for Every Brand We Sign

Role: Onboarding Manager (Amazon Marketplace)

Location: San Diego, CA 92101 (Onsite at Symphony Towers)

Compensation Range: $100,000 - $135,000

At Luminize, we help brands win, and as one of the top 5 Amazon sellers in the US, we're looking for top performers to grow with us.

Every brand we sign arrives with a set of expectations formed during the sales process. Onboarding is where those expectations meet reality, and that collision is where partnerships are either won or quietly lost. Scope has to get reconciled. Timelines have to get renegotiated. A client who expected one thing has to be walked to a different, better answer without losing confidence in the decision they made.

Right now nobody owns that conversation. We're hiring one person to own it end to end.

This is a build role. You'll run live onboardings from day one as the client's primary point of contact, and you'll design the playbook the whole company runs on as we scale. You are the first person in this seat, which means the standard is yours to set, and as our client volume grows, so does the opportunity to grow the function around you.

You might currently be a Client Onboarding Manager, Client Partner, Engagement Manager, and Customer Success Manager Implementation Manager, Launch or Activation Manager, Amazon Account Manager, Marketplace Manager, eCommerce Brand Manager, or Client Services Manager. If you've moved brands onto Amazon and lived through the catalog, inventory, and Subscribe & Save side of that transition, you'll recognize this role.

If you like ownership, hate loose ends, and want your work to be the reason a client stays for years, let's talk.

What You'll Be Doing

• Own the end-to-end onboarding and activation of every newly signed brand, from late-stage sales handoff through full transition to the Brand Management team
• Carry the brands you onboard as their primary point of contact, running day-to-day execution and building trust fast with new partners
• Operates within ambiguous and complex onboarding processes, navigating custom contract terms and Amazon requirements
• Build and run detailed onboarding project plans in Asana across Content, Advertising, Supply Chain, Creative, Catalog, and Data
• Reconcile what sales committed with what onboarding can deliver, and lead the conversation with the client when those differ
• Own client escalations and conflicts during onboarding, including renegotiating scope, sequencing, and timelines without escalating to leadership by default
• Serve as the single accountable owner of the client relationship from signature through Brand Management handoff, including holding the line on commitments the client believes were made
• Set and defend the catalog and SKU launch plan with our Catalog team, owning the client-facing timeline and every scope change against it
• Own the client-facing inventory and launch timeline, working through our Supply Chain Onboarding team, and make the call when a forecast or PO commitment has to change
• Assist with Subscribe & Save transfers with Seller Central and direct Amazon rep communication
• Coordinate Seller Central and Vendor Central access via Amazon SPP, plus internal systems permissions
• Guide clients through initial POs, forecasts, and launch planning alongside internal teams
• Join late-stage sales conversations so deal context, scope, and commitments translate cleanly into onboarding deliverables
• Lead structured handoff meetings so the Brand Manager inherits a stable, fully documented account
• Design, document, and continuously improve Luminize's onboarding playbook, standards, and templates
• Juggle multiple concurrent onboardings across different brands and stages

✅ What You Bring

• 5+ years combined across eCommerce, brand or account management, and project management (agency or client services experience preferred)
• Strong hands-on knowledge of Amazon Seller Central and Vendor Central, including working directly with Amazon reps to resolve account-level requests
• A track record guiding clients through complex onboarding or implementation processes
• Demonstrated experience navigating client conflict and negotiating scope or timeline changes with senior stakeholders, ideally in a services or agency setting where the commercial relationship was at stake.
• Serious project management and organizational chops, with the ability to run several timelines at once without dropping detail
• Comfort operating strategically and hands-on in the same day
• Excellent written and verbal communication, with the ability to explain a process clearly to a nervous new client
• A proactive, ownership-oriented mindset and the instinct to build the system, not just work the task
• Proficiency in Asana (or similar), Google Workspace, and Microsoft Office

Work From Symphony Towers

Your office comes with a view, literally.

• Panoramic city and coastline views from your workspace
• Free building gym access, no separate membership needed
• Exclusive discounts at tower restaurants and cafes
• Secure bike storage
• 24/7 paid parking downtown, blocks from the office
• Steps from 100+ top-rated bars, restaurants, coffee shops, and Petco Park

An Office You'll Actually Want to Be In

Built for how great teams actually work.

• Ergonomic standing desks and premium workstations
• Fully stocked kitchen, snacks, espresso
• Monthly all-company lunches to celebrate wins and stay connected
• A team lounge with pool table and games for when you need a break
• Bright, modern, collaborative space designed for focus and connection

Benefits & Perks

You do great work here and we want to take care of you outside of it, too.

• Comprehensive medical coverage, choose from multiple plans through Anthem Blue Cross
• Dental & vision, including orthodontia and annual exams
• Pet benefits, savings on vet care, products, and services
• Paid Vacation, accrue 120 hours a year, with rollover
• Paid holidays and sick time
• 401(k) with company match, we invest in your future, too

Compensation Transparency

We've listed a broad salary range of $100,000 - $135,000/year to account for varying levels of experience, skill sets, and Amazon depth. Where you land in the range will depend on how your background aligns with this role.

We're committed to compensating based on value and impact, not just years on paper, and we're happy to have open conversations throughout the process.

Growth & Career Opportunities at Luminize

At Luminize, growth isn't just something we drive for our clients; it's our mindset and a big priority for our people.

We offer clear career paths and leveling guidelines so you always know where you stand, what's next, and what skills and experience you need to get there. From day one, you'll have visibility into advancement opportunities and what it takes to grow into leadership, specialization, or other cross-functional roles.

We're proud of our strong track record of promoting from within. Many of our team leads and managers started in individual contributor roles and grew by consistently showing initiative, curiosity, and impact. We only hire externally when needed, because we believe the best future leaders are often already here.

You'll also benefit from:

• Mentorship from experienced managers during 1:1s and annual performance reviews
• Cross-functional exposure to departments including content, brand management, software, supply chain, operations, and catalog
• Learning resources, including Udemy course access, and additional training programs and courses
• A culture that encourages asking questions, trying new things, and leveling up together

If you're excited to take ownership and grow, both in your craft and your career, you'll be in good company here.

About Luminize

Luminize is a full-service Amazon growth partner helping brands achieve next-level success in a competitive digital marketplace. From creative strategy to advertising and analytics, we combine expertise and hustle to fuel results for brands in CPG, health, wellness, beauty, and beyond.

We're not your typical agency, and we like it that way. We operate with transparency, celebrate wins often, and treat every brand like it's our own.

If you're ready to work with great people, do work that matters, and keep growing, we'd love to meet you!

Apply now and let's grow together!

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