Sandboxx is the leading platform dedicated to finding and building technology solutions throughout a service member's military life cycle. We're looking for people with drive and initiative who are excited about making great technology and a positive attitude for our service members. Come help us build meaningful solutions for the military community!
Sandboxx is the industry-leading platform connecting military recruits with their support systems through physical mail, in-app messaging, and a rapidly growing digital ecosystem. Every week, tens of thousands of recruits send and receive letters that create unbreakable bonds with family and friends.
We exist to make military life easier, more connected, and more human by bridging the distance between service members and the people who love them.
At Sandboxx, Letters are the heartbeat of our mission. We’re looking for a Lifecycle Marketing Manager to lead engagement, retention, and reactivation strategies for the Letters business, helping supporters stay connected from the moment their recruit ships out through every milestone that follows.
You’ll build journeys that turn first-time senders into loyal supporters. This role combines empathy with analytics, crafting campaigns that meet families where they are while driving measurable results.
While we offer flexibility for remote talent, we have a strong preference for in-person collaboration at our Middleburg, VA headquarters and offer enhanced compensation for onsite candidates.
Letters are the foundation of Sandboxx. We need someone who can:
Build lifecycle journeys that move users from discovery to repeat use
Design automated campaigns that connect senders and recruits through meaningful moments
Translate behavioral insights into actions that improve retention and lifetime value
Create systems and playbooks that scale across families, supporters, and recruits
Partner with Community and News to tell stories that deepen engagement
Design the Journey: Map and manage the full lifecycle from first send to repeat engagement
Create Campaigns That Matter: Develop multi-channel campaigns across email, push, and in-app messaging that deliver encouragement, milestones, and reminders at the right time
Personalize at Scale: Use behavioral data to deliver thoughtful and timely communications
Increase Retention: Build reactivation and loyalty programs that keep supporters connected
Collaborate Cross-Functionally: Work with Product, Design, and Community to ensure every message reflects our mission
Measure What Matters: Track activation, retention, and lifetime value across cohorts and refine strategies accordingly
4–6 years of lifecycle marketing or CRM experience
Hands-on experience with Iterable (required)
Familiarity with WordPress or similar CMS
Strong project management and segmentation skills
Analytical and creative mindset
Excellent communication and cross-functional collaboration
Understanding or personal connection to military life is a plus
Focus: Learn, connect, and identify quick wins
Complete a full audit of the Letters user journey from pre-download to reactivation, including onboarding, letter sending, and repeat engagement flows.
Review Iterable performance data for open rates, click rates, and send-to-second-send conversion.
Identify quick opportunities to improve the time from app download to first letter sent.
Map key audience segments such as first-time supporters, repeat senders, and lapsed users.
Partner with Product and Data to validate lifecycle metrics such as activation rate, bundle attach rate, and retention by cohort.
Present a short-term plan with 3 to 5 small but high-impact tests focused on activation and repeat usage.
Establish a consistent weekly reporting cadence with core metrics and visualizations in Looker or Iterable dashboards.
Meet key cross-functional partners in Design, Community, and Operations to align messaging and timing.
Focus: Build, test, and improve early journeys
Develop a full lifecycle roadmap that outlines campaign priorities across onboarding, engagement, and retention.
Launch one improved onboarding or activation journey that shortens the time between app install and first letter sent.
Refine segmentation logic within Iterable to better target supporters based on recruit training week, letter frequency, and bundle history.
Partner with Design to refresh templates for onboarding, milestone, and “encouragement” email series.
Build a testing framework that defines goals, timelines, and success metrics for each experiment.
Deliver a 60-day update showing activation improvements, key learnings, and areas to expand.
Focus: Expand and measure
Launch multi-channel lifecycle campaigns that address moments such as first letter sent, first reply received, and letter streak milestones.
Introduce behavioral triggers that respond to inactivity, shipping updates, or recruit graduation timelines.
Begin testing pre-download nurture emails or SMS for supporters referred by others who have not yet sent their first letter.
Present a 90-day impact review with measurable improvements in conversion, activation, and reactivation rates.
Propose a six-month plan that scales successful campaigns and adds retention-focused automation.
Focus: Optimize and scale
Launch advanced lifecycle programs including loyalty, cross-sell (such as Memory Books or bundle upgrades), and win-back series for lapsed senders.
Identify key drop-off points in the Letters experience and create targeted campaigns to re-engage those users.
Build reliable automation that reduces manual effort for recurring events such as graduation or recruit completion.
Create detailed playbooks that document best practices for each lifecycle stage, including messaging cadence, content tone, and success metrics.
Partner with Product to connect lifecycle triggers with seasonal or training-related events.
Deliver a mid-year performance report showing improved retention, letter frequency, and lifetime value.
Focus: Lead and transform
Fully own lifecycle KPIs for Letters including activation, engagement, retention, and LTV.
Build systems for automated reporting and streamlined campaign deployment.
Launch a real-time dashboard that tracks user health, churn risk, and reactivation opportunities.
Show measurable year-over-year gains in repeat purchase rate and user retention.
Present a 12-month business review summarizing results, insights, and next-year goals for the Letters program.
Competitive salary and equity incentive plan
401(k) with company match
Top-tier health, dental, and vision coverage for you and your family
Flexible PTO and paid parental leave
A mission-driven team that cares deeply about our users and one another
We look for people with a good sense of humor and a zest for life, especially during interviews.
Sandboxx is an equal opportunity employer - if you are a continuous learner who enjoys startups in either tech or military, you'll thrive at Sandboxx. We are committed to building a diverse and inclusive workforce and take affirmative action to not discriminate based on race, religion, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, sexual orientation, veteran or military status, or any other legally protected characteristics. This policy applies to all employment practices within our organization, including but not limited to recruiting, hiring, promotion, termination, compensation, benefits, and training. Sandboxx is committed to providing reasonable accommodations for candidates with disabilities who need assistance during the hiring process.
To all recruitment agencies: Sandboxx does not accept agency resumes. Please do not forward resumes to our jobs alias, Sandboxx employees, or any other organization location. Sandboxx is not responsible for any fees related to unsolicited resumes.
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Lifecycle Marketing Manager Q&A's