Senior Implementation Specialist

For remote roles based inside of the United States can sit in any of the following 22 states: AZ, CA, CO, CT, DC, FL, GA, IL, KS, MA, MD, MI, MS, MO, NC, NJ, NY, OK, TX, UT, VA, and WA. Please only apply if you are able to live and work full-time in one of the states listed above. State locations and specifics are subject to change as our hiring requirements shift.

We’re looking for a Senior Implementation Specialist to support our growing Retention Strategy team on a Part-Time basis from 5 pm to 9 pm Eastern Time. The Senior Implementation Specialist is responsible for executing and overseeing the technical implementation of retention marketing programs across client accounts. This role serves as the internal expert on Klaviyo, supporting account teams through advanced builds, migrations, integrations, QA, and platform best practices.

Working closely with Retention Strategists, this individual transforms strategy into execution by building and maintaining email, SMS, segmentation, automation, and onsite conversion experiences while helping establish scalable implementation standards across the department.

About Simplistic:

We are an eCommerce design, development, and optimization agency for D2C brands on the Shopify/Shopify Plus platform.

As one of the founding Shopify Plus partners, we pride ourselves on being forward thinkers and experts in all things Shopify. Our expertise is under constant renovation to keep us at the forefront of the D2C eCommerce landscape.

Our mission is to craft tailored digital experiences to suit the voice and needs of each client. Best-in-class service and thought partnerships allow us to establish long-lasting strategic relationships with our clients.

Simplistic is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or veteran status. Additionally, we believe in transparency in compensation. Total compensation for this role includes an hourly range of $35 - $40.

As a Senior Implementation Specialist, this role could include:

Klaviyo Implementation & Technical Execution

Build and maintain email campaigns, SMS campaigns, automated flows, and customer journeys within Klaviyo

Create and manage advanced segmentation, profile properties, and audience targeting strategies

Build, optimize, and troubleshoot signup forms, popups, and onsite conversion experiences

Configure and maintain flow triggers, custom events, and lifecycle automation programs

Support account audits, onboarding projects, and technical account setup

Serve as the internal subject matter expert on Klaviyo functionality and best practices

Migrations & Integrations

Lead migrations from platforms such as Attentive, Mailchimp, Omnisend, HubSpot, and other ESPs

Configure, test, and troubleshoot integrations with Shopify, Recharge, Yotpo, loyalty platforms, and other retention technology partners

Support advanced implementations involving custom properties, event tracking, and data mapping

Process, QA & Enablement

Adhere to SOPs, implementation standards, and QA processes

Perform technical QA across campaigns, flows, segments, forms, and integrations

Troubleshoot complex platform, data, and integration issues

Support internal training and serve as a technical resource for the retention team

Required Competencies

Able to work from 5- 9 p.m. eastern

3–6+ years of email, SMS, or lifecycle marketing experience

2+ years of hands-on experience with Klaviyo Email and SMS

Experience building advanced flows, segments, forms, and automations

Experience with platform migrations and ecommerce integrations

Familiarity with custom events and data architecture

Strong troubleshooting, documentation, and QA skills

Highly organized with exceptional attention to detail

Preferred Competencies

Klaviyo certifications

K:Service experience

Shopify or Shopify Plus experience

Agency experience managing multiple client accounts simultaneously

Experience with Recharge, Yotpo, Attentive, LoyaltyLion, ReferralCandy, or similar platforms