Lifecycle and Email Marketing Specialist

COMPANY OVERVIEW

Momentous is a dynamic, fast-growing human performance company offering the highest quality supplements designed to enhance physical and cognitive well-being. At Momentous, we believe that people at their best will produce a positive impact in their personal lives, communities, and, ultimately, the world. No matter our customer's goal or what they want to achieve, we are on a relentless quest to help them get there.

We work with some of the greatest minds in science and athletic performance who tap into the latest research and real-world experience to create a portfolio of products designed with one common goal—to help our customers be their best.

What we’re proud of:

• Best in the field. We have built an advanced network of world-renowned experts in the field of human performance.
• Trusted and used by the best. We are honored to work with more than 200 teams in professional and NCAA sports, including Stanley Cup Champions, Tour de France winners, and all NFL Teams.
• Push what’s possible. We were named to the prestigious Inc. 5000 list as one of the fastest-growing companies in the US in 2023, 2024, 2025 and 2026 and recognized on Inc’s Best Places to Work list.

POSITION SUMMARY

Momentous is seeking a Lifecycle & Email Marketing Specialist to help scale our email, CRM, and customer retention programs. This hands-on role combines creative, technical, and operational execution across email campaigns, automated customer journeys, and customer communications.

Working closely with the CRM, Lifecycle & Retention team, this role builds and maintains campaigns and lifecycle flows, develops evergreen product education content, and manages routine and cross-functional email communications. The ideal candidate is a strong writer and creative thinker with technical proficiency, exceptional attention to detail, and a curiosity about customer behavior. This role thrives on turning strategy into execution, solving problems, and continuously improving the customer experience.

RESPONSIBILITIES

• Build, QA, test, and deploy email campaigns in Klaviyo, including brand campaigns and retention initiatives.
• Execute campaigns according to established messaging, creative direction, and audience targeting.
• Support campaign production, testing, and deployment while ensuring accuracy and consistency across communications.

• Build, QA, and maintain automated lifecycle flows based on strategies and messaging developed by senior team members.
• Build and maintain customer segments to support more targeted and personalized communications.
• Support subscription retention initiatives, lifecycle testing, and routine Recharge operations.
• Identify opportunities to improve lifecycle execution and customer engagement.

• Own the writing, design, production, and maintenance of evergreen product education emails and reusable content modules.
• Work with Product Marketing to translate product information into compelling, customer-friendly content aligned with Momentous' brand voice and positioning.
• Develop scalable content assets that support consistent messaging and efficient production across campaigns and lifecycle journeys.

• Own the production, QA, and deployment of routine customer communications, including out-of-stock, pricing, and service updates, using approved messaging.
• Manage cross-functional email execution for Sales, Corporate Wellness, Affiliate, and other business teams.
• Provide Klaviyo troubleshooting, technical support, and channel maintenance, including deliverability support.

• Build and QA A/B tests across campaigns and…