Full-Time
Sales Development Representative
Posted on 8/27/2025
Epsilon3
11-50 employees
Web platform for mission-critical engineering workflows
Compensation Overview
$60k - $120k/yr
Los Angeles, CA, USA
In Person
 Sales & Account Management (1) |
|---|
- 1+ year of experience in sales or business development at a high-growth B2B SaaS company, where quota has been met or exceeded.
- Experience with CRM tools (e.g., Salesforce, HubSpot, Outreach, SalesLoft) and sales engagement/marketing automation platforms is required.
- Bachelor’s degree in business, marketing, or STEM.
- Strong technical acumen as demonstrated by a technical/engineering degree or past work experience in a technical role.
- Excellent written and verbal communication skills. Experience with copywriting is a plus.
- Self-motivated, curious, and persistent.
- Open-minded/willingness to grow.
- Familiarity with highly technical SaaS products.
- US Citizenship required (future security clearance may be required)
- Conduct outbound prospecting via email, phone, LinkedIn, and other channels.
- Help qualify inbound leads and assess their fit for our solutions.
- Schedule discovery meetings for Founders/Account Executives and maintain accurate CRM records.
- Collaborate with Marketing and Sales to refine outreach strategies and messaging.
- Track key metrics and continuously improve outreach performance. You'll be expected to understand your key metrics and how to impact them over time.
- Help document sales/GTM processes.
- Stay informed about our product, industry trends, and customer challenges.
- Perks: This full-time role includes stock options, generous PTO, health insurance, and a 4% 401k match.
Epsilon3 offers a web-based platform that helps teams in regulated industries plan, run, and document complex engineering workflows. It provides a secure, centralized workspace to schedule steps, track progress, store artifacts, and ensure compliance across engineering, assembly, testing, certification, and live operations. The platform is designed for highly technical teams and is used by NASA, Blue Origin, Sierra Space, and others, built by engineers from SpaceX, NASA, and Google and supported by investors like Y Combinator and Lux Capital. Its goal is to help high-stakes teams coordinate complex programs efficiently while maintaining rigorous documentation and compliance.
Company Size
11-50
Company Stage
Series A
Total Funding
$17.9M
Headquarters
Los Angeles, California
Founded
2021
Simplify's Take
What believers are saying
- Re-signed with ARKA Group on July 16, 2024, expanding defense workflows.
- Raised $18.8M total funding, including $15M Series A from Lux Capital.
- Expanded to maritime and biotech sectors beyond aerospace and energy.
What critics are saying
- NASA's $100M Slingshot contract erodes government revenue in 3-6 months.
- DoD CMMC 2.0 failure blocks ARKA expansion and defense contracts now.
- Ex-SpaceX engineer's algorithm leak commoditizes platform in 3-9 months.
What makes Epsilon3 unique
- Epsilon3 delivers AI-powered ERP, MES, and test software for spacecraft operations.
- Platform supports full mission lifecycle from engineering to live operations.
- Used by NASA, Blue Origin, and Sierra Space for mission-critical procedures.
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Benefits
Remote & WFH friendly
Generous equity grants
Platinum benefits
Lifelong learning
Regular fun events
Thoughtful vacation/leave policies
Support for staying healthy
Growth & Insights and Company News
6 month growth
↓ -2%1 year growth
↑ 0%2 year growth
↓ -5%EL SEGUNDO, Calif., July 16, 2024 /PRNewswire/ -- Epsilon3 , the leading provider of Complex Operations Management software, is proud to announce that it has re-signed with ARKA Group , L.P., to support ARKA's engineering, manufacturing and assembly of next-generation space and defense technologies vital to our world's safety.With Epsilon3's web-based procedure and production management tools, ARKA has transformed the way they manage workflows, communicate status updates and analyze critical data."We are thrilled to continue supporting ARKA, as they push the boundaries of ground and space-based solutions for their commercial and government customers. Our mission is to empower pioneers and visionaries who challenge the status quo to unlock new meanings across the world, and beyond. We look forward to continuing that mission by remaining a trusted software vendor and partner for many years to come," said Laura Crabtree , CEO & Co-Founder, Epsilon3."Our continued work with Epsilon3 will incorporate more ARKA programs, helping us modernize production across our various ARKA businesses and further improve efficiency in assembly, integration and test," said Bryan Leibowitz , Director, Engineering, ARKA.Based in Danbury, Connecticut, ARKA is a fully integrated mission partner providing world-leading technologies and services with an unrivaled reputation for excellence. ARKA's advanced capabilities address the needs of the warfighter, including world-class optical technologies, ground processing and analytics and next-generation space solutions.Founded in 2021, Epsilon3 has become the go-to software solution for the world's leading space, robotics, aviation, life sciences and energy companies. Epsilon3 specializes in supporting highly complex projects like engineering, manufacturing and operating spacecraft and other advanced products.SOURCE Epsilon3
Software startup Epsilon3 has secured $15 million in a round of Series A financing led by Lux Capital and will use the investment to expand its line of space project management platforms, SpaceNews reported Monday.
ELA has recently partnered with Epsilon3 who produce software for complex engineering, testing, and operational procedures as a service.
D-Orbit will launch its ION Satellite Carrier to SSO aboard Spectrum launch vehicle by Isar Aerospace in 2023.
Founded by Aaron Sullivan, Laura Crabtree, and Max Mednik in 2021, Epsilon3 has now raised a total of $18.8M in reported equity funding.